$389 Cheap Asiana Airlines flights from Seattle to Bangkok (SEA to BKK)

Find The Best Day To Fly from Seattle to Bangkok

Amazing Asiana Airlines SEA to BKK Flight Deals

The cheapest flights to Suvarnabhumi Intl. found within the past 7 days were $710 round trip and $389 one way. Prices and availability subject to change. Additional terms may apply.

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Frequently asked questions

Can I catch a flight from Sea-Tac Airport to Suvarnabhumi Airport right now?
For info on any current Suvarnabhumi Airport quarantine requirements and travel advice, visit our Covid-19 Travel Advisor. Check before you arrange your flight, so you don't get caught out.
What terminal is Asiana Airlines at Sea-Tac Airport?
If you're booked with Asiana Airlines from Sea-Tac Airport to Suvarnabhumi Intl. Airport (BKK), you might be able to find out the terminal information when you get your ticket. If not, consult your airline.
Are there Asiana Airlines non-stop flights from SEA to BKK?
You won't be able to fly direct from SEA to Suvarnabhumi Intl. Airport (BKK) with Asiana Airlines. Be prepared to make a stopover if you have to travel with this airline on this route.
How long is an Asiana Airlines flight from SEA to BKK?
Life is one huge journey --- and so is your trip from Seattle - Tacoma Intl. Airport (SEA) to Suvarnabhumi Intl. Airport (BKK) with Asiana Airlines. Taking an average of 17 hours and 55 minutes, make it easier on yourself and bring the basics like earplugs, a warm sweater and your water bottle.
How many direct and indirect flights does Asiana Airlines fly from SEA to BKK?
You shouldn't have any trouble matching up your travel dates with the flight schedule from Asiana Airlines. At the moment, it flies from Seattle - Tacoma Intl. Airport (SEA) to Suvarnabhumi Airport about 17 times every month.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Suvarnabhumi Intl. Airport (BKK), please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Discover our best Asiana Airlines flight from Seattle SEA to Bangkok BKK 

To find the best deals on flights to Seattle from Bangkok with Asiana Airlines, just enter your travel dates, filter by Asiana Airlines, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Seattle SEA to Bangkok BKK with Asiana Airlines 

If you’re planning a round trip, booking return flights with Asiana Airlines is usually the most cost-effective option. With airfares ranging from $710 to $784, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way Asiana Airlines flights from Seattle SEA to Bangkok BKK 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way Asiana Airlines flight from Seattle to Bangkok costs from $389. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Bangkok BKK from  Seattle SEA with Asiana Airlines 

To find a cheap Asiana Airlines flight from Seattle SEA to Bangkok BKK, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on Asiana Airlines flights from Seattle SEA to Bangkok BKK 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as September, or if you book a flight with a stopover. 

 

Find nonstop flights from Seattle SEA to Bangkok BKK with Asiana Airlines 

If you’re keen to be on Bangkok soil fast, don’t waste time with a stopover—filter your search results to show direct Asiana Airlines flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for Asiana Airlines flights from Seattle SEA to Bangkok BKK 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Bangkok BKK from  Seattle SEA with Asiana Airlines on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

Asiana Airlines Airports
Hop on a(n) Asiana Airlines flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
CJUKORJeju Intl.46
GMPKORGimpo Intl.45
ICNKORIncheon Intl.21
PUSKORGimhae16
LAXUSALos Angeles Intl.10
KWJKORGwangju Intl.6
RSUKORYeosu4
ANCUSATed Stevens Anchorage Intl.4
FRADEUFrankfurt Intl.3
FUKJPNFukuoka3

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Hyatt Regency Bangkok Suvarnabhumi Airport
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4.5 out of 5
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A full-service spa, 4 restaurants, and an outdoor pool are all featured at this luxury hotel. There's fun for all ages with a children's pool and a playground, ...
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A full-service spa, an outdoor pool, and a restaurant are all featured at this luxury hotel. There's fun for all ages with a free kid's club and mini golf, and ...
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Carlton Hotel Bangkok Sukhumvit
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5 out of 5
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A full-service spa, 2 restaurants, and an outdoor pool are all featured at this luxury hotel. Traveling on business? Take advantage of the free WiFi in public ...
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"Nice clean hotel in central sukhumvit Near to plenty of cafes / bars and nightlife . Plenty to see walking around during the day Near bts/ train transport. Fairly new hotel . Has a good high floor bar / restaurant to see the city skyline at night . Large swimming pool"

Reviewed on Jun 15, 2025

Carlton Hotel Bangkok Sukhumvit
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.