--- title: "CA $543 Cheap Flights from St. Louis (STL) to Carlsbad (CLD)" description: "Cheap Flights from St. Louis (STL) to Carlsbad (CLD) start at CA $543 for one-way and CA $690 for round trip. Earn your airline miles on top of our rewards!" canonical: "https://www.expedia.ca/lp/flights/stl/cld/st-louis-to-carlsbad" language: en-CA market: CA currency: CAD prices_as_of: 2026-11-14T11:54:49Z --- # CA $543 Cheap Flights from St. Louis (STL) to Carlsbad (CLD) ![A coastal cityscape with a beach, residential buildings, and a distant industrial structure.](https://images.trvl-media.com/place/6056550/6dda68e1-544f-4579-a0c9-eb6c39b73ec0.jpg?impolicy=fcrop&w=1200&h=500&q=medium) [View CA $543 flight on Fri, Jan 1, 2027](https://www.expedia.ca/Flights-Search?leg1=from:STL,to:CLD,departure:01/01/2027TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:542.60&airProductToken=AQpmCjEIwYIBEgQyNTc0GPJcIO-5ASivraEDMIqvoQM4R0AAWAFqBE1BSU5yCEdWQVpaTk4xCjEIwYIBEgQ0MjI1GO-5ASDiGijJr6EDMJ-woQM4R0ABWAFqBE1BSU5yCEdWQVpaTk4xEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw) ## Popular airlines from Lambert-St. Louis International Airport (STL) to Carlsbad, CA (CLD-McClellan-Palomar) [American Airlines](https://www.expedia.ca/Flights-Search?leg1=from:STL,to:CLD,departure:28/11/2026TANYT&leg2=from:CLD,to:STL,departure:05/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) [United](https://www.expedia.ca/Flights-Search?leg1=from:STL,to:CLD,departure:28/11/2026TANYT&leg2=from:CLD,to:STL,departure:05/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) ### Be in the know Get alerts if flight prices drop or rise\* ### Book smarter Save up to 30% on select hotels after you book a flight\* ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Cheap Flights from St. Louis to Carlsbad (STL-CLD) Prices were available within the past 7 days and start at CA $543 for one-way flights and CA $690 for roundtrip, for the period specified. Prices and availability are subject to change. All deals One way Roundtrip [Select American Airlines flight, departing Thu, Feb 11 from St. Louis to Carlsbad, returning Tue, Feb 16, priced at CA $690 Found 2 days ago](https://www.expedia.ca/Flights-Search?leg1=from:STL,to:CLD,departure:11/02/2027TANYT&leg2=from:CLD,to:STL,departure:16/02/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:689.50&airProductToken=AQpoCjIIwYIBEgQyNTc0GPJcIO-5ASjB-qQDMJz8pAM4QkAAWAFqBUJBU0lDcghON0ZaWk5CWgoyCMGCARIENDIyNRjvuQEg4hoo3vykAzC1%5FaQDOEJAAVgBagVCQVNJQ3IITjdGWlpOQloKaAoyCMGCARIENDIyNxjiGiDvuQEoiLOlAzDbs6UDOEJAAFgBagVCQVNJQ3IIUVZGWlpOQlgKMgjBggESBDIzMDMY77kBIPJcKJ60pQMw4LWlAzhCQAFYAWoFQkFTSUNyCFFWRlpaTkJYEgwIARACGAEqAkFBMgAYASIECAEQASgCKAMoBDAL) Thu, Feb 11 - Tue, Feb 16 · STL · CLD · Roundtrip [Select American Airlines flight, departing Sun, Nov 22 from St. Louis to Carlsbad, returning Mon, Nov 30, priced at CA $727 Found 4 days ago](https://www.expedia.ca/Flights-Search?leg1=from:STL,to:CLD,departure:22/11/2026TANYT&leg2=from:CLD,to:STL,departure:30/11/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:726.10&airProductToken=AQpoCjIIwYIBEgQyNTc0GPJcIO-5ASjG650DMKPtnQM4QkAAWAFqBUJBU0lDcghON0ZaWk5CWgoyCMGCARIENDIyNRjvuQEg4hoo0e2dAzCq7p0DOEJAAVgBagVCQVNJQ3IITjdGWlpOQloKaAoyCMGCARIEMzU2NxjiGiDvuQEo3MqeAzCxy54DOEJAAFgBagVCQVNJQ3IIUVVGWlpOQlgKMgjBggESBDIwNDMY77kBIPJcKNDLngMw%5FcyeAzhCQAFYAWoFQkFTSUNyCFFVRlpaTkJYEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw) Sun, Nov 22 - Mon, Nov 30 · STL · CLD · Roundtrip [Select American Airlines flight, departing Thu, Feb 11 from St. Louis to Carlsbad, returning Tue, Feb 16, priced at CA $768 Found 2 days ago](https://www.expedia.ca/Flights-Search?leg1=from:STL,to:CLD,departure:11/02/2027TANYT&leg2=from:CLD,to:STL,departure:16/02/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:768.00&airProductToken=AQpoCjIIwYIBEgQyMzAzGPJcIO-5ASjz%5FaQDMMf%5FpAM4QkAAWAFqBUJBU0lDcghTMEZXWk5CWgoyCMGCARIENDIyNhjvuQEg4hoojIClAzDagKUDOEJAAVgBagVCQVNJQ3IIUzBGV1pOQloKaAoyCMGCARIENDIyNxjiGiDvuQEoiLOlAzDbs6UDOEJAAFgBagVCQVNJQ3IIUVZGWlpOQlgKMgjBggESBDIzMDMY77kBIPJcKJ60pQMw4LWlAzhCQAFYAWoFQkFTSUNyCFFWRlpaTkJYEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw) Thu, Feb 11 - Tue, Feb 16 · STL · CLD · Roundtrip [Select American Airlines flight, departing Fri, Feb 12 from St. Louis to Carlsbad, returning Tue, Feb 16, priced at CA $811 Found 2 days ago](https://www.expedia.ca/Flights-Search?leg1=from:STL,to:CLD,departure:12/02/2027TANYT&leg2=from:CLD,to:STL,departure:16/02/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:811.00&airProductToken=AQpoCjIIwYIBEgQyMzAzGPJcIO-5ASiTiaUDMOeKpQM4QkAAWAFqBUJBU0lDcghHMEZXWk5CWgoyCMGCARIENDIyNhjvuQEg4hoorIulAzD6i6UDOEJAAVgBagVCQVNJQ3IIRzBGV1pOQloKaAoyCMGCARIENDIyNxjiGiDvuQEoiLOlAzDbs6UDOEJAAFgBagVCQVNJQ3IIUVZGWlpOQlgKMgjBggESBDIzMDMY77kBIPJcKJ60pQMw4LWlAzhCQAFYAWoFQkFTSUNyCFFWRlpaTkJYEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw) Fri, Feb 12 - Tue, Feb 16 · STL · CLD · Roundtrip [Select American Airlines flight, departing Sun, Nov 22 from St. Louis to Carlsbad, returning Mon, Nov 30, priced at CA $848 Found 4 days ago](https://www.expedia.ca/Flights-Search?leg1=from:STL,to:CLD,departure:22/11/2026TANYT&leg2=from:CLD,to:STL,departure:30/11/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:847.60&airProductToken=AQpoCjIIwYIBEgQyMzAzGPJcIO-5ASjB7p0DMJbwnQM4QkAAWAFqBUJBU0lDcghHMEZXWk5CWgoyCMGCARIENDIyNhjvuQEg4hoo6vCdAzC88Z0DOEJAAVgBagVCQVNJQ3IIRzBGV1pOQloKaAoyCMGCARIEMzU2NxjiGiDvuQEo3MqeAzCxy54DOEJAAFgBagVCQVNJQ3IIUVVGWlpOQlgKMgjBggESBDIwNDMY77kBIPJcKNDLngMw%5FcyeAzhCQAFYAWoFQkFTSUNyCFFVRlpaTkJYEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw) Sun, Nov 22 - Mon, Nov 30 · STL · CLD · Roundtrip [Select American Airlines flight, departing Sun, Nov 22 from St. Louis to Carlsbad, returning Mon, Nov 30, priced at CA $924 Found 4 days ago](https://www.expedia.ca/Flights-Search?leg1=from:STL,to:CLD,departure:22/11/2026TANYT&leg2=from:CLD,to:STL,departure:30/11/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:923.90&airProductToken=AQpmCjEIwYIBEgQyNTc0GPJcIO-5ASjG650DMKPtnQM4TkAAWAFqBE1BSU5yCE43RlpaTk0xCjEIwYIBEgQ0MjI1GO-5ASDiGijR7Z0DMKrunQM4TkABWAFqBE1BSU5yCE43RlpaTk0xCmYKMQjBggESBDM1NjcY4hog77kBKNzKngMwscueAzhRQABYAWoETUFJTnIIUVVGWlpOTTMKMQjBggESBDIwNDMY77kBIPJcKNDLngMw%5FcyeAzhRQAFYAWoETUFJTnIIUVVGWlpOTTMSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) Sun, Nov 22 - Mon, Nov 30 · STL · CLD · Roundtrip [Select American Airlines flight, departing Sun, Nov 22 from St. Louis to Carlsbad, returning Mon, Nov 30, priced at CA $987 Found 4 days ago](https://www.expedia.ca/Flights-Search?leg1=from:STL,to:CLD,departure:22/11/2026TANYT&leg2=from:CLD,to:STL,departure:30/11/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:986.20&airProductToken=AQpmCjEIwYIBEgQyMzAzGPJcIO-5ASjB7p0DMJbwnQM4VkAAWAFqBE1BSU5yCFYwRldaTk4xCjEIwYIBEgQ0MjI2GO-5ASDiGijq8J0DMLzxnQM4VkABWAFqBE1BSU5yCFYwRldaTk4xCmYKMQjBggESBDM1NjcY4hog77kBKNzKngMwscueAzhRQABYAWoETUFJTnIIUVVGWlpOTTMKMQjBggESBDIwNDMY77kBIPJcKNDLngMw%5FcyeAzhRQAFYAWoETUFJTnIIUVVGWlpOTTMSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) Sun, Nov 22 - Mon, Nov 30 · STL · CLD · Roundtrip [Select American Airlines flight, departing Sun, Nov 22 from St. Louis to Carlsbad, returning Mon, Nov 30, priced at CA $1,026 Found 4 days ago](https://www.expedia.ca/Flights-Search?leg1=from:STL,to:CLD,departure:22/11/2026TANYT&leg2=from:CLD,to:STL,departure:30/11/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1026.00&airProductToken=AQpqCjMIwYIBEgQyNTc0GPJcIO-5ASjG650DMKPtnQM4TkAAWAFqBk1BSU5GTHIITjdGWlpSUzEKMwjBggESBDQyMjUY77kBIOIaKNHtnQMwqu6dAzhOQAFYAWoGTUFJTkZMcghON0ZaWlJTMQpqCjMIwYIBEgQzNTY3GOIaIO-5ASjcyp4DMLHLngM4UUAAWAFqBk1BSU5GTHIIUVVGWlpSUzMKMwjBggESBDIwNDMY77kBIPJcKNDLngMw%5FcyeAzhRQAFYAWoGTUFJTkZMcghRVUZaWlJTMxIKCAEQARgBKgJBQRgBIgQIARABKAIoBCgGMAs) Sun, Nov 22 - Mon, Nov 30 · STL · CLD · Roundtrip [Select American Airlines flight, departing Fri, Feb 12 from St. Louis to Carlsbad, returning Tue, Feb 16, priced at CA $1,042 Found 2 days ago](https://www.expedia.ca/Flights-Search?leg1=from:STL,to:CLD,departure:12/02/2027TANYT&leg2=from:CLD,to:STL,departure:16/02/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1041.10&airProductToken=AQpmCjEIwYIBEgQyNTc0GPJcIO-5ASjhhaUDMLyHpQM4TUAAWAFqBE1BSU5yCE0wRldaTk4xCjEIwYIBEgQ0MjI1GO-5ASDiGij-h6UDMNWIpQM4TUABWAFqBE1BSU5yCE0wRldaTk4xCmYKMQjBggESBDQyMjcY4hog77kBKIizpQMw27OlAzhRQABYAWoETUFJTnIIUVZGWlpOTTMKMQjBggESBDIzMDMY77kBIPJcKJ60pQMw4LWlAzhRQAFYAWoETUFJTnIIUVZGWlpOTTMSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) Fri, Feb 12 - Tue, Feb 16 · STL · CLD · Roundtrip [Select United flight, departing Sun, Nov 22 from St. Louis to Carlsbad, returning Mon, Nov 30, priced at CA $1,129 Found 4 days ago](https://www.expedia.ca/Flights-Search?leg1=from:STL,to:CLD,departure:22/11/2026TANYT&leg2=from:CLD,to:STL,departure:30/11/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1128.10&airProductToken=AQplCjAI1YIBEgM2NjMY8lwgg2koz--dAzDm8J0DOFNAAFgBagUyX2Vjb3IIU0ZBN1BGRE4KMQjVggESBDU1MjkYg2kg4hoosfGdAzDB8p0DOFNAAFgBagUyX2Vjb3IIU0ZBN1BGRE4KZgoxCNWCARIENTU5ORjiGiCycSibyZ4DMILKngM4UUAAWAFqBTJfZWNvcghRRkEwT0ZFTgoxCNWCARIEMTkyNBiycSDyXCi5yp4DMJ%5FMngM4UUAAWAFqBTJfZWNvcghRRkEwT0ZFThIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAs) Sun, Nov 22 - Mon, Nov 30 · STL · CLD · Roundtrip ## Book with confidence ### St. Louis to Carlsbad Flights #### The easy way to book your flights from St. Louis to Carlsbad With Expedia, it’s simple to find and book flights to Carlsbad from St. Louis whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 2 airlines that cover this route. There are nonstop flights to McClellan-Palomar, too. Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from St. Louis to Carlsbad today, tomorrow, or this week. #### Save dollars with cheap flights from Lambert-St. Louis Intl., STL to McClellan-Palomar, CLD Sort your search results by price to find great deals on your flight from St. Louis to Carlsbad—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Carlsbad from St. Louis currently is just CA $690 rising to CA $1,129\. Here are more money-saving tips: - Fly in February when flight prices are normally at their lowest - Book about a month to 6 weeks before you travel for the best prices to Carlsbad - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! #### Reasons to choose Expedia for your flight to Carlsbad from St. Louis Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Carlsbad with Expedia today. ## Frequently Asked Questions ### How much is a flight from STL to CLD? The lowest price advertised for a round-trip flight from Lambert Field to McClellan-Palomar Airport (CLD) is CA $690\. But you better act quick. This figure is taken from fares listed within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Lambert-St. Louis Intl. Airport (STL) to McClellan-Palomar Airport (CLD)? When it comes to cancellation fees, every airline has its own set of terms and conditions. If you decide to cancel your getaway, head to our [Customer Service Portal](https://www.expedia.ca/helpcenter). ### How do I find cheap flights from Lambert Field to CLD that have flexible change policies? Select our "No change fees" filter to find flexible travel options for your flight from STL to McClellan-Palomar Airport. This allows you to snag a fantastic price in advance and still have the freedom to make changes without any extra fees. You'll just need to pay the difference in fare. ### How far is the flight from STL to McClellan-Palomar Airport (CLD)? It's around 2,500 kilometres from Lambert Field to CLD, so expect to be flying for a while. Keep yourself entertained with things like a magazine or the latest bestseller. ### Which airlines fly direct from Lambert Field to CLD? Currently, no airlines offer direct flights from Lambert-St. Louis Intl. Airport (STL) to McClellan-Palomar Airport. You'll have to book a flight with one or more stops. To score the best price and connections, lock in your fare well ahead of time. ### Are Lambert-St. Louis Intl. Airport (STL) to McClellan-Palomar Airport (CLD) flight tickets cheaper when they're purchased at the last minute? Booking last minute from STL to McClellan-Palomar Airport can be hit-or-miss. You may be able to score a great bargain, but then again, you could miss out altogether! If you'd rather play it safe and start your trip planning early, Expedia compares flight deals up to 12 months in advance. Just bear in mind that not all airlines advertise their prices that far in advance. Our advice? Check back often as updates are made frequently. ## Travel information | Origin airport | Lambert-St. Louis International Airport | | ------------------- | --------------------------------------- | | Destination airport | Carlsbad, CA | | Distance | 2,491 km away | | Airlines serving | American Airlines, United | | Popular airline | American Airlines | | Roundtrip price | CA $690 | ## Explore a world of travel with Expedia - [Flights](?equalTargetTab=tab-0) - [Flights from Gulfport (GPT) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/gpt/cld/gulfport-to-carlsbad) - [Flights from Gillette (GCC) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/gcc/cld/gillette-to-carlsbad) - [Flights from Norfolk (ORF) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/orf/cld/norfolk-to-carlsbad) - [Flights from Santa Monica (SMO) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/smo/cld/santa-monica-to-carlsbad) - [Flights from Flint (FNT) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/fnt/cld/flint-to-carlsbad) - 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[Flights from Bermuda Dunes (UDD) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/udd/cld/bermuda-dunes-to-carlsbad) - [Flights from Sioux Falls (FSD) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/fsd/cld/sioux-falls-to-carlsbad) - [Flights from Oakland (OAK) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/oak/cld/oakland-to-carlsbad) - [Flights from Edmonton (YEG) to San Diego (SAN)](https://www.expedia.ca/lp/flights/yeg/san/edmonton-to-san-diego) - [Flights from Vancouver (YVR) to Orange County (SNA)](https://www.expedia.ca/lp/flights/yvr/sna/vancouver-to-orange-county) - [Flights from Jacksonville (OAJ) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/oaj/cld/jacksonville-to-carlsbad) - [Flights from Columbia (CAE) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/cae/cld/columbia-to-carlsbad) - [Flights from Kearney (EAR) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/ear/cld/kearney-to-carlsbad) - [Flights from Philadelphia (PHL) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/phl/cld/philadelphia-to-carlsbad) - [Flights from Kanab (KNB) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/knb/cld/kanab-to-carlsbad) - [Flights from Long Beach (LGB) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/lgb/cld/long-beach-to-carlsbad) - [Flights from Manchester (MHT) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/mht/cld/manchester-to-carlsbad) - [Flights from Butte (BTM) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/btm/cld/butte-to-carlsbad) - [Flights from Montreal (YUL) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/yul/cld/montreal-to-carlsbad) - [Flights from Puerto Penasco (PPE) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/ppe/cld/puerto-penasco-to-carlsbad) - [Flights from Vancouver (YVR) to San Diego (SAN)](https://www.expedia.ca/lp/flights/yvr/san/vancouver-to-san-diego) - [Flights from Shreveport (SHV) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/shv/cld/shreveport-to-carlsbad) - [Flights from Escanaba (ESC) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/esc/cld/escanaba-to-carlsbad) - [Flights from Newburgh (SWF) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/swf/cld/newburgh-to-carlsbad) - [Flights from Calgary (YYC) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/yyc/cld/calgary-to-carlsbad) - [Flights from Edmonton (YEG) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/yeg/cld/edmonton-to-carlsbad) - [Flights from Fargo (FAR) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/far/cld/fargo-to-carlsbad) - [Flights from Oxnard (OXR) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/oxr/cld/oxnard-to-carlsbad) - [Flights from Greenville (GSP) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/gsp/cld/greenville-to-carlsbad) - [Flights from Montreal (YUL) to San Diego (SAN)](https://www.expedia.ca/lp/flights/yul/san/montreal-to-san-diego) - [Flights from Iowa City (IOW) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/iow/cld/iowa-city-to-carlsbad) - [Flights from Orlando (MCO) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/mco/cld/orlando-to-carlsbad) - [Flights from San Francisco (SFO) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/sfo/cld/san-francisco-to-carlsbad) - [Flights from Toronto (YYZ) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/yyz/cld/toronto-to-carlsbad) - [Flights from Newark Liberty Intl. Airport (EWR) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/ewr/cld/newark-liberty-intl-airport-to-carlsbad) - [Flights from Lansing (LAN) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/lan/cld/lansing-to-carlsbad) - [Flights from Ottawa (YOW) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/yow/cld/ottawa-to-carlsbad) - [Flights from Halifax (YHZ) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/yhz/cld/halifax-to-carlsbad) - [Flights from Spokane (GEG) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/geg/cld/spokane-to-carlsbad) - [Flights from Toronto (YYZ) to San Diego (SAN)](https://www.expedia.ca/lp/flights/yyz/san/toronto-to-san-diego) - [Flights from Los Angeles (LAX) to San Diego (SAN)](https://www.expedia.ca/lp/flights/lax/san/los-angeles-to-san-diego) - [Flights from London (LHR) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/lhr/cld/london-to-carlsbad) - [Flights from New York (JFK) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/jfk/cld/new-york-to-carlsbad) - [Flights from Richmond (RIC) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/ric/cld/richmond-to-carlsbad) - [Flights from Hemet (HMT) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/hmt/cld/hemet-to-carlsbad) - [Flights from Newcastle (NCL) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/ncl/cld/newcastle-to-carlsbad) - [Flights from Nashville (BNA) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/bna/cld/nashville-to-carlsbad) - [Flights from Chester (CEG) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/ceg/cld/chester-to-carlsbad) - [Flights from Bismarck (BIS) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/bis/cld/bismarck-to-carlsbad) - [Flights from Phoenix (PHX) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/phx/cld/phoenix-to-carlsbad) - [Flights from Las Vegas (LAS) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/las/cld/las-vegas-to-carlsbad) - [Flights from Santa Rosa (STS) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/sts/cld/santa-rosa-to-carlsbad) - [Flights from Ontario Intl. Airport (ONT) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/ont/cld/ontario-to-carlsbad) - [Flights from Kathmandu (KTM) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/ktm/cld/kathmandu-to-carlsbad) - [Flights from Seattle (SEA) to San Diego (SAN)](https://www.expedia.ca/lp/flights/sea/san/seattle-to-san-diego) - [Flights from Winnipeg (YWG) to San Diego (SAN)](https://www.expedia.ca/lp/flights/ywg/san/winnipeg-to-san-diego) - [Flights from Islip (ISP) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/isp/cld/islip-to-carlsbad) - [Flights from Santiago (SCL) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/scl/cld/santiago-to-carlsbad) - [Flights from Calgary (YYC) to San Diego (SAN)](https://www.expedia.ca/lp/flights/yyc/san/calgary-to-san-diego) - [Flights from Roanoke (ROA) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/roa/cld/roanoke-to-carlsbad) - [Flights from Palm Springs (PSP) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/psp/cld/palm-springs-to-carlsbad) - [Flights from Montrose (MTJ) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/mtj/cld/montrose-to-carlsbad) - [Flights from Detroit (DTW) to San Diego (SAN)](https://www.expedia.ca/lp/flights/dtw/san/detroit-to-san-diego) - [Flights from Kelowna (YLW) to Carlsbad (CLD)](https://www.expedia.ca/lp/flights/ylw/cld/kelowna-to-carlsbad) \*Available to Expedia members. ## Other language versions ```yaml hreflang: x-default: https://www.expedia.com/lp/flights/stl/cld/st-louis-to-carlsbad ar: https://www.expedia.sa/lp/flights/stl/cld/st-louis-to-carlsbad en-CA: https://www.expedia.ca/lp/flights/stl/cld/st-louis-to-carlsbad es: https://www.expedia.com/es/lp/vuelos/stl/cld/st-louis-a-carlsbad nb-NO: https://www.expedia.no/lp/fly/stl/cld/st-louis-til-carlsbad de-AT: https://www.expedia.at/lp/fluge/stl/cld/st-louis-nach-carlsbad en-KR: https://www.expedia.co.kr/en/lp/flights/stl/cld/st-louis-to-carlsbad ko-KR: https://www.expedia.co.kr/lp/flights/stl/cld/st-louis-to-carlsbad de-DE: https://www.expedia.de/lp/fluge/stl/cld/st-louis-nach-carlsbad en-GB: https://www.expedia.co.uk/lp/flights/stl/cld/st-louis-to-carlsbad en-US: https://www.expedia.com/lp/flights/stl/cld/st-louis-to-carlsbad en-IN: https://www.expedia.co.in/lp/flights/stl/cld/st-louis-to-carlsbad ```