Title: Cheap Flights from Bangkok (DMK) to Seattle (SEA) - Expedia.ca ![](https://images.trvl-media.com/place/178307/82efb684-8d05-4b09-b7ea-52d5ab4ea1ac.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178307/82efb684-8d05-4b09-b7ea-52d5ab4ea1ac.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Bangkok (DMK) to Seattle (SEA) - [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 Don Mueang Intl. Airport (DMK) to Seattle-Tacoma International Airport (SEA) - ![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:dmk,to:sea,departure:18/11/2025TANYT&leg2=from:sea,to:dmk,departure:25/11/2025TANYT&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:dmk,to:sea,departure:18/11/2025TANYT&leg2=from:sea,to:dmk,departure:25/11/2025TANYT&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:dmk,to:sea,departure:18/11/2025TANYT&leg2=from:sea,to:dmk,departure:25/11/2025TANYT&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:dmk,to:sea,departure:18/11/2025TANYT&leg2=from:sea,to:dmk,departure:25/11/2025TANYT&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:dmk,to:sea,departure:18/11/2025TANYT&leg2=from:sea,to:dmk,departure:25/11/2025TANYT&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:dmk,to:sea,departure:18/11/2025TANYT&leg2=from:sea,to:dmk,departure:25/11/2025TANYT&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:dmk,to:sea,departure:18/11/2025TANYT&leg2=from:sea,to:dmk,departure:25/11/2025TANYT&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 Bangkok to Seattle (DMK - SEA) route information | Origin airport | Don Mueang Intl. | | --- | --- | | Destination airport | Seattle - Tacoma Intl. | | Distance | 11903 km | ## Bangkok to Seattle Flights **The easy way to book your flights from Bangkok to Seattle**  With Expedia, it’s simple to find and book flights to Seattle from Bangkok 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 Seattle - Tacoma Intl., 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 Bangkok to Seattle today, tomorrow, or this week.   **Save dollars with cheap flights from Don Mueang Intl., DMK to Seattle - Tacoma Intl., SEA**  Sort your search results by price to find great deals on your flight from Bangkok to Seattle—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Seattle from Bangkok 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 Seattle   - 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 Seattle from Bangkok**  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 Seattle with Expedia today. ## Frequently asked questions ### How much is a flight from DMK to Sea-Tac Airport? > If you're planning on travelling between Don Mueang Intl. Airport (DMK) and Sea-Tac Airport, round-trip journeys start from . This figure is based on airfares available within the last 7 days on Expedia for flights departing within the next year, so don't delay. Book today and save yourself both money and time. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Don Mueang Intl. Airport (DMK) to Sea-Tac Airport? > The majority of flights can be cancelled online, but every airline has a different set of terms and conditions. If you do have to cancel your flight, go to our [Customer Service Portal](https://www.expedia.ca/helpcenter) and follow the instructions. ### How do I find cheap flights from Don Mueang Intl. Airport (DMK) to Sea-Tac Airport that have flexible change policies? > Many carriers offer the option to reschedule your flight without a change fee. All you pay is the difference in the ticket price. When searching for Don Mueang Airport to Sea-Tac Airport flights, you'll see a "No change fees" filter for you to select. ### How far is the flight from Don Mueang Intl. Airport (DMK) to Sea-Tac Airport? > The distance is around 12,000 kilometres. Earplugs? Check. Spare socks? Double check. We recommend you pack all the travel comforts for this long-haul Bangkok to SeaTac flight. ### Which airlines fly direct from Don Mueang Intl. Airport (DMK) to Sea-Tac Airport? > At the moment, no airlines offer direct flights from Don Mueang Airport to Sea-Tac Airport. You'll need to book a flight with one or more stops. To score the best price and connections, lock in your airfare well ahead of time. ### Are DMK to SEA flight tickets cheaper when they're purchased at the last minute? > Airline tickets from Don Mueang Intl. Airport (DMK) to Sea-Tac Airport are available up to a year before departure on Expedia. And although you may occasionally nab a great last-minute deal, it's never something you can count on. Also, booking your flights ahead of time means you'll have more options — and you can avoid getting caught in the dreaded middle seat! We're always updating our fares to bring you the best bargains, so check back often for all the latest specials. ## Explore a world of travel with Expedia - Lodging - Flights ### Lodging - [Seattle Hotels](https://www.expedia.ca/Seattle-Hotels.d178307.Travel-Guide-Hotels) ### Flights - [Flights from Hayden to SeaTac](https://www.expedia.ca/lp/flights/113630/156205/hayden-to-seatac) - [Flights from Great Bend to Port Angeles](https://www.expedia.ca/lp/flights/1283/862/great-bend-to-port-angeles) - [Flights from Longview to SeaTac](https://www.expedia.ca/lp/flights/1314/156205/longview-to-seatac) - [Flights from New Delhi to SeaTac](https://www.expedia.ca/lp/flights/177865/156205/new-delhi-to-seatac) - [Flights from Calgary to SeaTac](https://www.expedia.ca/lp/flights/178245/156205/calgary-to-seatac) - [Flights from Mexico City to SeaTac](https://www.expedia.ca/lp/flights/178285/156205/mexico-city-to-seatac) - [Flights from Minneapolis - St. Paul to SeaTac](https://www.expedia.ca/lp/flights/178287/156205/minneapolis-st-paul-to-seatac) - 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