Title: Cheap Flights to Herndon , VA from CA $144 - Expedia.ca ![City Hall in Herndon, Virginia, with flags and blue sky.](https://images.trvl-media.com/place/7596/3a6da855-d5b0-4e59-ac3a-3df5bac6d7c3.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/7596/3a6da855-d5b0-4e59-ac3a-3df5bac6d7c3.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights to Herndon , VA from CA $144 [View CA $144 flight on Fri, May 15, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:YXX,to:IAD,departure:15/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:143.54&airProductToken=AQpECiAI16YBEgM0NzIY-L0BIJgWKJiGjQMw44aNAzhFQABYAQogCNemARIEMTczMBiYFiCIGCi6iI0DML6KjQM4RUABWAESCggBEAEYASoCV1MYASIECAEQASgEMAE) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only [Hotels in Herndon](https://expedia.ca/Herndon-Hotels.d7596.Travel-Guide-Hotels)[Herndon Car Rentals](https://expedia.ca/Car-Rentals-In-Herndon.d7596.Car-Rental-Guide)[Herndon Vacation Packages](https://expedia.ca/Herndon.d7596.Destination-Travel-Guides) ## Popular airlines to Herndon - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Herndon, Virginia, United States of America,departure:25/01/2026TANYT&leg2=from:Herndon, Virginia, United States of America,to:CMH,departure:01/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Herndon, Virginia, United States of America,departure:25/01/2026TANYT&leg2=from:Herndon, Virginia, United States of America,to:CMH,departure:01/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Herndon, Virginia, United States of America,departure:25/01/2026TANYT&leg2=from:Herndon, Virginia, United States of America,to:CMH,departure:01/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Frontier Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Herndon, Virginia, United States of America,departure:25/01/2026TANYT&leg2=from:Herndon, Virginia, United States of America,to:CMH,departure:01/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![Southwest Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Herndon, Virginia, United States of America,departure:25/01/2026TANYT&leg2=from:Herndon, Virginia, United States of America,to:CMH,departure:01/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![Alaska Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Herndon, Virginia, United States of America,departure:25/01/2026TANYT&leg2=from:Herndon, Virginia, United States of America,to:CMH,departure:01/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![JetBlue Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_B6.svg) JetBlue Airways [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Herndon, Virginia, United States of America,departure:25/01/2026TANYT&leg2=from:Herndon, Virginia, United States of America,to:CMH,departure:01/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}]) - ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - 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Prices were available within the past 7 days and start at CA $144 for one-way flights and CA $260 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Fri, Apr 24 - Sat, Apr 25 YYZ Toronto IAD Washington CA $292 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YYZ,to:IAD,departure:24/04/2026TANYT&leg2=from:IAD,to:YYZ,departure:25/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:291.51&airProductToken=AQpHCiII1YIBEgQzNDYwGJjOASDEjQEo5J6LAzDbn4sDOE5AAFgBCiEI1YIBEgQxNzg0GMSNASCIGCiXoIsDMO2giwM4TkABWAEKIwohCNWCARIEMzYwMRiIGCCYzgEohKWLAzDspYsDOE5AAFgBEgoIARABGAEqAlVBGAEiBAgBEAEoBDAB) ![Porter Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PD.gif) Wed, Feb 4 - Fri, Feb 20 YTZ Toronto IAD Washington CA $296 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YTZ,to:IAD,departure:04/02/2026TANYT&leg2=from:IAD,to:YTZ,departure:20/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:295.62&airProductToken=AQojCiEI0IgBEgQyNzIxGPjMASCIGCjeoYQDMLqihAM4VkAAWAEKIwohCNCIARIEMjcyNBiIGCD4zAEootqFAzD82oUDOFZAAFgBEgoIARABGAEqAlBEGAEiBAgBEAEoBDAB) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Fri, Apr 10 - Sun, Apr 12 YTZ Toronto DCA Washington CA $296 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YTZ,to:DCA,departure:10/04/2026TANYT&leg2=from:DCA,to:YTZ,departure:12/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:295.87&airProductToken=AQpoCjMIwYYBEgQ3ODYyGPjMASDYswEohvyJAzC-_IkDOEdAAFgBagVCQVNJQ3IIR05BNEE3QkEKMQjBhgESBDg4NjkY2LMBIEMoof2JAzCB_okDOEdAAVgBagVCQVNJQ3IIR05BNEE3QkEKaAoxCMGGARIEODg3MBhDINizASj3lIoDMNOVigM4R0AAWAFqBUJBU0lDcghHTkE0QTdCQQozCMGGARIENzg3MxjYswEg-MwBKPuWigMwuZeKAzhHQAFYAWoFQkFTSUNyCEdOQTRBN0JBEgoIARABGAEqAkFDGAEiBAgBEAEoAigDKAQwDQ) ![WestJet](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/WS.gif) Fri, May 22 - Mon, May 25 YYC Calgary IAD Washington CA $302 Roundtrip found 19 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YYC,to:IAD,departure:22/05/2026TANYT&leg2=from:IAD,to:YYC,departure:25/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:301.20&airProductToken=AQozCjEI16YBEgQxNzMwGJgWIIgYKJrXjQMwntmNAzhFQABYAWoFQkFTSUNyCExUUUQwWkJXCjMKMQjXpgESBDE3MzEYiBggmBYotfuNAzDX_Y0DOEVAAFgBagVCQVNJQ3IITFRRRDBaQlcSCggBEAEYASoCV1MYASIECAEQASgCKAMoBDAB) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Thu, Feb 5 - Sun, Feb 8 YYZ Toronto DCA Washington CA $310 Roundtrip just found [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YYZ,to:DCA,departure:05/02/2026TANYT&leg2=from:DCA,to:YYZ,departure:08/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:309.12&airProductToken=AQozCjEIwYIBEgQ1NjY4GJjOASBDKP-thAMw7a6EAzhCQABYAWoFQkFTSUNyCE9VQUNaU0JYCjMKMQjBggESBDU2NjUYQyCYzgEosM-EAzCb0IQDOEJAAFgBagVCQVNJQ3IIT1VBQ1pTQlgSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) ## Find the cheapest month to fly from Columbus (CMH) to Washington (IAD) ### October is typically the cheapest month to fly From CA $147 - CA $585 per traveller. Expedia.ca gives you the best tools to secure great deals on flights to Herndon. Use our easy and convenient booking engine to browse nonstop flights and convenient departure points every day of the year. Search airfares from the top airlines to book your perfect flight to Herndon. Whatever your travel needs, you can always rely on Expedia.ca to help you find cheap flights to Herndon. Using our booking engine is simple - just type in your points of travel and preferred dates and Expedia.ca does the rest! If your travel times are flexible, you can find even better bargains by adjusting your flight dates. Browse connecting flights to increase your chances of finding even lower fares. Thanks to Expedia's Best Price Guarantee, you can book your Herndon flights with full confidence knowing that you've found the best deal online. Expedia.ca makes the booking process easy and stress-free by offering support along the entire way. Our friendly staff is available 24 hours a day to provide assistance and help you book your ticket. Call us toll-free at 1-888-397-3342 to answer any questions that you may have about your trip to Herndon. Looking to save even more? Get additional savings by bundling your Herndon flight with a hotel and/or car rental to create a bargain travel package. Early birds can discover terrific savings by booking in advance while last minute travelers can enjoy great last minute deals. With Expedia.ca, there's no shortage of options to save even more on your Herndon trip! ## Frequently asked questions ### What is the name of Herndon's airport? ### How far is National Airport from central Herndon? ### What airport is best to fly into Herndon? ### How many airlines fly to Herndon? ### Which airlines fly to Herndon? ### How many nonstop flights are there to Herndon? ### Where are the most popular flights to Herndon departing from? ### How long is the flight to Herndon Airport? ### How to book the cheapest flight to Herndon? ### Do you have any tips for my flight to Herndon? > - The trick to having a worry-free travel experience is to plan ahead. First up, the essentials: passport, travel docs, bank cards and daily medications. Next, take on board items that'll help keep you busy, like some electronic gadgets or a magazine. It's also wise to pack your chargers, a neck pillow and a pair of headphones. Finally, be sure to squeeze in toiletries like a toothbrush, cleansing wipes and a spare set of clothes. > > > Do not pack the following items in your hand luggage: > > > - While the list of banned items can differ between airlines, the general rule of thumb is nothing flammable, sharp or explosive. This includes screwdrivers, knives, fuel and fireworks. Sporting equipment like baseball bats, and objects that could injure passengers, such as firearms and swords, aren't allowed in the cabin either. > > > What to wear on a flight: > > > - Comfort should be your number one priority when deciding what to wear during your flight. Loose clothing is a wise choice, as are roomy, closed-toe shoes. > - Deep vein thrombosis (DVT), a blood clotting condition caused by extended periods of inactivity, can be a risk on long-haul flights. Wander around the cabin and stretch your legs or do some simple exercises in your seat to improve your circulation. ### How to get through airport security fast when flying to Herndon? > - Airport security personnel first need to determine that you have a valid ID and matching boarding pass before you can proceed any further. Have them in your hand, ready for inspection. > - Time to strip down. Well sort of. Your belt, coat, keys and other contents of your pockets, like coins, will be required to go through the X-ray machine. Make your life easier by removing them before your turn arrives. > - Electronic devices like laptops and phones will also have to go through the machine for inspection. Don't worry, you'll be back online before you know it. > - Can't travel without your favourite perfume? Not a problem. As long as the volume is no greater than 3.4 ounces (100 millilitres) and it's stored in a zip-close bag, you can bring it with you in your carry-on baggage. > - There's a possibility that you'll be required to remove your shoes for scanning, so wearing lightweight sneakers is always a clever idea. > - Airlines will not allow any pocket knives or other sharp items in your carry-on baggage. If you must bring these kinds of items, pack them safely in your checked baggage. __Flights to Herndon information__ | Destination airport | Washington Dulles Intl. | | ----------------------------- | ----------------------- | | Destination airport IATA code | IAD | | Destination city name | Washington | | Roundtrip price | CA $292 | ## Trending flights to Herndon Prices were available within the past 7 days and start at CA $144 for one-way flights and CA $260 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![WestJet](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/WS.gif) Fri, May 22 - Mon, May 25 YXX Abbotsford IAD Washington CA $260 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YXX,to:IAD,departure:22/05/2026TANYT&leg2=from:IAD,to:YXX,departure:25/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:259.20&airProductToken=AQpmCjEI16YBEgM0NzIY-L0BIJgWKPjUjQMww9WNAzhFQABYAWoFQkFTSUNyCExUUUQwWkJXCjEI16YBEgQxNzMwGJgWIIgYKJrXjQMwntmNAzhFQAFYAWoFQkFTSUNyCExUUUQwWkJXCmYKMQjXpgESBDE3MzEYiBggmBYotfuNAzDX_Y0DOEVAAFgBagVCQVNJQ3IITFRRRDBaQlcKMQjXpgESAzQ3ORiYFiD4vQEoz_6NAzCl_40DOEVAAVgBagVCQVNJQ3IITFRRRDBaQlcSCggBEAEYASoCV1MYASIECAEQASgCKAMoBDAB) ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars - Other - [5 Star Hotels in Sterling ](https://www.expedia.ca/5Star-Sterling-Hotels.s50-0-d9843.Travel-Guide-Filter-Hotels) - 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