Title: Cheap Flights from Seattle (SEA) to Thermal (TRM) - Expedia.ca ![Rad art!](https://images.trvl-media.com/place/553248635975872180/63da52c1-fcdb-4da5-b195-9c4f9983e151.jpg?impolicy=fcrop&w=1200&h=500&q=medium) Photo by Stephanie Nelson ![](https://images.trvl-media.com/place/553248635975872180/63da52c1-fcdb-4da5-b195-9c4f9983e151.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Seattle (SEA) to Thermal (TRM) - [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 Thermal, CA (TRM-Jacqueline Cochran Regional) - ![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:trm,departure:25/11/2025TANYT&leg2=from:trm,to:sea,departure:02/12/2025TANYT&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:trm,departure:25/11/2025TANYT&leg2=from:trm,to:sea,departure:02/12/2025TANYT&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:trm,departure:25/11/2025TANYT&leg2=from:trm,to:sea,departure:02/12/2025TANYT&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:trm,departure:25/11/2025TANYT&leg2=from:trm,to:sea,departure:02/12/2025TANYT&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:trm,departure:25/11/2025TANYT&leg2=from:trm,to:sea,departure:02/12/2025TANYT&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:trm,departure:25/11/2025TANYT&leg2=from:trm,to:sea,departure:02/12/2025TANYT&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:trm,departure:25/11/2025TANYT&leg2=from:trm,to:sea,departure:02/12/2025TANYT&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) ## Alternative airports near Thermal Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.ca/Flights-Search?leg1=from:SEA,to:PSP,departure:25/11/2025TANYT&leg2=from:PSP,to:SEA,departure:29/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) PSP Palm Springs Intl. Cheapest 34 min [Flights from CA $1,423](https://www.expedia.ca/Flights-Search?leg1=from:SEA,to:PSP,departure:25/11/2025TANYT&leg2=from:PSP,to:SEA,departure:29/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ## Frequently asked questions ### How much is a flight from Sea-Tac Airport to Jacqueline Cochran Regional Airport (TRM)? > Start packing your bags, because round-trip flights from Sea-Tac Airport to Jacqueline Cochran Regional Airport start from . That's based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can rise quickly, so book now to score 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 SEA to TRM? > The majority of flights can be cancelled online, but each airline has different terms and conditions. If you do have to cancel your flight, check out our [Customer Service Portal](https://www.expedia.ca/helpcenter) and follow the instructions. ### How do I find cheap flights from Sea-Tac Airport to Jacqueline Cochran Regional Airport that have flexible change policies? > Plenty of carriers will allow you to reschedule your flight without a change fee. All you pay is the fare difference. When looking for SEA to Jacqueline Cochran Regional Airport (TRM) flights, you'll see a "No change fees" filter for you to select. ### How far is the flight from Seattle - Tacoma Intl. Airport (SEA) to Jacqueline Cochran Regional Airport? > The flight distance from SeaTac to Thermal is 1,600 kilometres. Pack yourself a snack, a drink and a laptop filled with movies. Keep yourself busy in the air and the hours will zip by. ### Which airlines fly direct from Sea-Tac Airport to Jacqueline Cochran Regional Airport? > There are no direct flights, so you'll have to make at least one stop between Sea-Tac Airport and Jacqueline Cochran Regional Airport (TRM). Make the most of the layover time to stretch your legs and grab a coffee. ### Are SEA to TRM flight tickets cheaper when they're purchased at the last minute? > Airline tickets from Seattle - Tacoma Intl. Airport (SEA) to Jacqueline Cochran Regional Airport are available up to 12 months prior to departure on Expedia. And although you may nab great last-minute deal, it's never something you can count on. Also, booking your flights in advance means you'll have more choices — and you can avoid being wedged in the dreaded middle seat! We're always updating our fares to bring you the best bargains, so keep checking in for all the latest specials. ## Travel information | Origin airport | Seattle - Tacoma Intl. | | --- | --- | | Destination airport | Jacqueline Cochran Regional | | Distance | 1609 km | ## Book with confidence ### Seattle to Thermal Flights **The easy way to book your flights from Seattle to Thermal**  With Expedia, it’s simple to find and book flights to Thermal 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 Jacqueline Cochran Regional, 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 Thermal today, tomorrow, or this week.   **Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Jacqueline Cochran Regional, TRM**  Sort your search results by price to find great deals on your flight from Seattle to Thermal—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Thermal 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 Thermal   - 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 Thermal 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. 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