CA $664 Cheap Flights from Bangkok (BKK) to Seattle (SEA)

You can find cheap one-way flights from CA $664 and cheap return flights CA $1,159 BKK to SEA with Expedia. One-way flights typically cost between CA$898 and CA$6546. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when BKK to SEA ticket fares go up or down.

November is typically the cheapest month to fly from Bangkok (BKK-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), with average return fares around CA$1227. November often sees lower prices because it falls outside of peak holiday travel seasons, when demand tends to decrease. Other cheap months to fly from Bangkok (BKK-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) include September and October.

Enter BKK to SEA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

To find a cheap flight from Bangkok (BKK-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.

There are approximately 89 connecting flights per day from Bangkok (BKK-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.). Some common connection points include Taoyuan Intl. (TPE), Hong Kong Intl. (HKG), and Incheon Intl. (ICN).

The earliest flight from Bangkok (BKK-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) typically departs around 12:10 AM. This service is offered by Scoot and Singapore Airlines. This is a seasonal service, active in August, September, and October. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

You'll typically find the most flights from Bangkok (BKK-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) on a Thursday, with around 75 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Korean Air, Thai Airways International, and Emirates. Flight schedules are quite consistent throughout the week, so you'll have plenty of options no matter which day you choose to fly.

The most popular departure times for flights from Bangkok (BKK-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) are in the morning, from 6am to 9am. Many major carriers, including Japan Airlines, Cathay Pacific and All Nippon Airways, offer flights during this window. Many travellers prefer this time because it allows for an early start to their journey, getting them to their destination with plenty of time left in the day.

A flight from BKK to SEA with a layover takes around 24 hours 50 minutes, with the route covering approximately 11,988 kilometers. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.

Yes, you can fly business class or first class between BKK and SEA.

Airlines that offer business class service on this route include:

• Korean Air
• Thai Airways International
• KLM
• Shanghai Airlines
• Malaysia Airlines
• Air France
• Lufthansa
• Oman Air
• Philippine Airlines
• Turkish Airlines
• Hong Kong Airlines
• Asiana Airlines
• Alaska Airlines
• Air Canada
• Cathay Pacific
• Air Macau Company
• China Eastern Airlines
• Air Japan Company
• All Nippon Airways
• Austrian Airlines
• United
• Emirates
• Qatar Airways
• EVA Airways
• Finnair
• Vietnam Airlines
• flydubai
• Condor
• Air China
• Japan Airlines
• Singapore Airlines
• Air India
• China Airlines
• Hainan Airlines
• Malindo Air
• Starlux Airlines

First class cabins are available on Emirates, Japan Airlines, and Starlux Airlines.

It's easy to earn miles on a Bangkok (BKK) to Seattle, WA (SEA) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

If you're planning to travel to Seattle from Suvarnabhumi Intl. (BKK), you can fly directly into Seattle - Tacoma Intl. (SEA). Some flights may connect through major hubs like Hong Kong Intl. (HKG), Dubai Intl. (DXB), or Narita Intl. (NRT) before reaching Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from Bangkok (BKK) to Seattle, WA (SEA) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a Bangkok (BKK) to Seattle, WA (SEA) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your Bangkok (BKK-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.