Title: Cheap Flights from Seattle (SEA) to Oceanside (OCN) - Expedia.ca ![](https://images.trvl-media.com/place/9154/4dd501e5-a647-4ad5-8696-4955bac0424d.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/9154/4dd501e5-a647-4ad5-8696-4955bac0424d.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Seattle (SEA) to Oceanside (OCN) - [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 ## Popular airlines from Seattle-Tacoma International Airport (SEA) to Oceanside, CA (OCN) - ![Air Canada](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:ocn,departure:19/10/2025TANYT&leg2=from:ocn,to:sea,departure:26/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![WestJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WS.svg) WestJet [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:ocn,departure:19/10/2025TANYT&leg2=from:ocn,to:sea,departure:26/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}]) - ![Flair Airlines](https://a.travel-assets.com/air/airlines/f8_sq.svg) Flair Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:ocn,departure:19/10/2025TANYT&leg2=from:ocn,to:sea,departure:26/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F8"}}]) - ![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:sea,to:ocn,departure:19/10/2025TANYT&leg2=from:ocn,to:sea,departure:26/10/2025TANYT&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:sea,to:ocn,departure:19/10/2025TANYT&leg2=from:ocn,to:sea,departure:26/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![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:sea,to:ocn,departure:19/10/2025TANYT&leg2=from:ocn,to:sea,departure:26/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![Porter Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_PD.svg) Porter Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:ocn,departure:19/10/2025TANYT&leg2=from:ocn,to:sea,departure:26/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"PD"}}]) ![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\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) Flight from Seattle to Oceanside (SEA - OCN) route information | Origin airport | Seattle - Tacoma Intl. | | --- | --- | | Destination airport | Oceanside | | Distance | 1626 km | ## Seattle to Oceanside Flights **The easy way to book your flights from Seattle to Oceanside**  With Expedia, it’s simple to find and book flights to Oceanside from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Oceanside, 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 Seattle to Oceanside today, tomorrow, or this week.   **Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Oceanside, OCN**  Sort your search results by price to find great deals on your flight from Seattle to Oceanside—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Oceanside from Seattle currently is just rising to .   Here are more money-saving tips:  - Fly in when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Oceanside   - 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 Oceanside from Seattle**  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 Oceanside with Expedia today. ## Frequently asked questions ### How much is a flight from Sea-Tac Airport to OCN? > Start packing your bags, because round-trip journeys from Sea-Tac Airport to OCN start from . That's based on airfares available within the last 7 days on Expedia for flights departing within the next year. Prices can move quickly, so book today to lock in the best deal. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Seattle - Tacoma Intl. Airport (SEA) to OCN? > 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 Sea-Tac Airport to OCN that have flexible change policies? > Flights from Sea-Tac Airport to OCN with flexible change policies are available from several carriers. Simply use our "No change fees" filter while searching. You'll only need to pay the cost difference between the two flights, with no added fees to worry about. ### How far is the flight from SEA to OCN? > It's around 1,650 kilometres from Seattle - Tacoma Intl. Airport (SEA) to OCN, so expect to be up in the air for a while. Keep yourself occupied with things like your e-reader or a gripping book. ### Which airlines fly direct from Sea-Tac Airport to OCN? > Right now, no airlines offer direct flights from SEA to OCN. You'll need to book a flight with at least one stop. To score the best price and connections, lock in your airfare well in advance. ### Are Sea-Tac Airport to OCN flight tickets cheaper when they're purchased at the last minute? > Last-minute bookings from SEA to OCN can be hit-or-miss. You may be able to score a bargain, but you could also miss out entirely! If you'd prefer to play it safe and start planning ahead of time, Expedia compares flight deals up to a year in advance. Just keep in mind that not all airlines advertise their prices so far in advance. Our suggestion? Check back often as prices are updated regularly. ## Explore a world of travel with Expedia - Flights ### Flights - [Flights from El Paso to Carlsbad](https://www.expedia.ca/lp/flights/1129/6056550/el-paso-to-carlsbad) - [Flights from Fukuoka to Oceanside](https://www.expedia.ca/lp/flights/1265/9154/fukuoka-to-oceanside) - [Flights from Helena to Oceanside](https://www.expedia.ca/lp/flights/1481/9154/helena-to-oceanside) - [Flights from SeaTac to Oceanside](https://www.expedia.ca/lp/flights/156205/9154/seatac-to-oceanside) - [Flights from Freedom to Carlsbad](https://www.expedia.ca/lp/flights/177698/6056550/freedom-to-carlsbad) - [Flights from Anchorage to Carlsbad](https://www.expedia.ca/lp/flights/178230/6056550/anchorage-to-carlsbad) - [Flights from Calgary to Oceanside](https://www.expedia.ca/lp/flights/178245/9154/calgary-to-oceanside) - [Flights from Charlotte to Carlsbad](https://www.expedia.ca/lp/flights/178247/6056550/charlotte-to-carlsbad) - [Flights from Detroit to Carlsbad](https://www.expedia.ca/lp/flights/178255/6056550/detroit-to-carlsbad) - 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