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$370 Find cheap flights from Thailand to Seattle

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Seattle departing on 11/19. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Wed 7/10
Wed 7/17

Search hundreds of travel sites at once for deals on flights to Seattle

 
These are the airlines KAYAK users have selected most often from within our search results for flights to Seattle
These are the airlines KAYAK users have selected most often from within our search results for flights to Seattle
In the last 7 days travelers have searched 42,898,604 times on KAYAK, and here is why:

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Flights to Seattle - Travel Insights & Trends

Get data-powered insights and trends for flights to Seattle to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest day to fly to Seattle?

The average price of all flights to Seattle clicked on KAYAK for each day over the last 12 months.
Based on KAYAK data, the cheapest day to fly to Seattle is Tuesday where tickets can be as cheap as $1,025. On the other hand, the most expensive day to fly is Friday, where prices are $1,092 on average.

What is the cheapest month to fly to Seattle?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights to Seattle, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights to Seattle is March, where tickets cost $962 on average for one-way flights. On the other hand, the most expensive months are August and July, where the average cost of tickets from Thailand is $1,668 and $1,293 respectively. For return trips, the best month to travel is March with an average price of $962.

What is the cheapest time of day to fly to Seattle?

The average price for all flights to Seattle depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.
The cheapest time of day to fly to Seattle is generally in the morning, when flights cost $1,038 on average. The most expensive time of day to fly to Seattle is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $1,400.

How far in advance should I book a flight to Seattle?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights to Seattle, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price, you should book around 0 weeks before departure. For the absolute cheapest price, our data suggests you should book 80 days before departure.

How long is the flight to Seattle?

The duration of your flight to Seattle depends on your departure and arrival airports. Obviously any flights that include a layover will also be longer. The most popular routes to Seattle on KAYAK are from Bangkok, which takes 20h 10m, and Chiang Mai, which takes 23h 50m.

How many direct flights to Seattle are there each day?

There are around 746 direct flights from within Thailand to Seattle every day. Most flights depart in the morning, with 7:00 am the most common departure time and 44% of flights departing in the morning.

How many direct flights to Seattle are there each week?

Each week there are around 5,218 direct flights from within Thailand to Seattle. The most common day for departures is Thursday, with 15% of flights taking off on this day.

Good to know

Low season

January

High season

June

Cheapest flight

$370
Best time to beat the crowds but there is an average 12% increase in price.
Most popular time to fly with an average 1% increase in price.
Flight from Bangkok to Seattle

FAQs - booking Seattle flights

  • How far is Seattle from central Seattle?

    Seattle is 11 miles from the center of Seattle.

  • What is the name of Seattle’s airport?

    All flights to Seattle land at Seattle. The airport code is SEA,and it can also be referred to as Seattle-Tacoma Intl, Seattle/Tacoma, or Seattle/Tacoma Intl.

  • How does KAYAK find such low prices on flights to Seattle?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to Seattle.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to Seattle?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights to Seattle?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to Seattle?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • Which airline offers the most flights to Seattle?

    Of the 10 airlines that fly to Seattle, Alaska Airlines offers the most flights, with around 3,104 per week, followed by Delta with 1,207 flights per week.

See more FAQs

Top tips for finding cheap flights to Seattle

  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Seattle flight deals.

Prefer to fly non-stop to Seattle/Tacoma Intl?

Find which airlines fly direct to Seattle/Tacoma Intl, which days they fly and book direct flights.

Nonstop departures

Thailand to Seattle/Tacoma Intl

Monday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

Tuesday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

Wednesday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Thursday

ANA, Aer Lingus, Aeromexico, +59 more

ANA, Aer Lingus, +60 more

Friday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

Saturday

ANA, Aer Lingus, Aeromexico, +62 more

ANA, Aer Lingus, +63 more

Sunday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

See more direct flights

Nonstop returns

Seattle/Tacoma Intl to Thailand

Monday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

Tuesday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

Wednesday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Thursday

ANA, Aer Lingus, Aeromexico, +59 more

ANA, Aer Lingus, +60 more

Friday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

Saturday

ANA, Aer Lingus, Aeromexico, +62 more

ANA, Aer Lingus, +63 more

Sunday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

See more direct flights
See more direct flights

Top 5 airlines serving from Thailand to Seattle

 
See real verified KAYAK customer reviews for airlines flying to Seattle. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline from Thailand to Seattle. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with to Seattle? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.5
Korean AirOverall score based on 1129 reviews
8.8Crew
8.6Boarding
8.2Entertainment
8.3Comfort
8.2Food
Airline reviews

Overall, very uneventful and pleasant experience. Most importantly, no delays.

10.0 ExcellentAnonymous, May 2024SGN - ICN
Read more about Korean Air reviews

Overall, very uneventful and pleasant experience. Most importantly, no delays.

The flight crews were extremely professional helpful and courteous. Departure and arrival times were accurate. No delay. Thanks

The flight crews were extremely professional, helpful, and courteous. Departure and arrival times were accurate. No delay. I will use K airline again. Thanks

Not very comfortable seated in the back plane due to turbulence

Everything about Korean air is great, hands down! Will always prefer this airline from other carriers.

Ford not that great the seat not to big for leg room like other airline

It was ok. Not good and not a bad experience

not too bad but not too great either. Service on all airlines declined ever since covid. Your Delta Stewardess are not that friendly at all. :-(

I like your stewardess, they are nice. However, your food could have been better and wheres your dessert? You do not offer beer or scotch. I do not drink alcohol biut my husband can have one or two, he has to ask if he can have one. during dinner or lunch, it should be offerred. Also, you do not have the most famous drinks ginger ale

Not accommodating ground staff On board slow service Crew members not very friendly

Overall great experience. All four members of my family were seated together without paying extra to reserve seats. Everything was on time. Food was great and healthy. Media entertainment was good. Rock music could be added as a listening choice. No issue with baggages. Flight attendants were friendly and helpful. I would recommend EVA to friends and family.

I was expecting that movie selection and food would have been better. Everything else was great.

The type of the food requested (Asian vegetarian) was not properly met with. They have very limited snack items that may compensate for the main meals.

The quality of the food is pretty good. Thank you, EVA Air.

Poor food on board, but seats are too small and uncomfortable

Pleasant crew. Very long flight, a bit uncomfortable at times being seated, but not too bad.

1. The entrance to boarding gate G5 (which is at a lower level) is from the walkway (which is at the upper level). That entrance was locked and there was no place for hundreds of people to sit at the upper level, for a long time as the flight was 45 minutes late. 2. The choice of movies on board was extermely limited and poor. 3. The staff was unhelpful and faked politeness.

No ice for the drinks. Only gave a half a cup of your beverage. Not enough water. I got very dehydrated.

They didn’t have ice for the drinks and only gave you half a cup of your beverage. Did not have enough water. I got dehydrated

Fast boarding process. Flight was expected for a long haul economy flight

It’s wonderful service aboard. Delayed for departure but arrival in Korea went so well.

Ok, the flight was late and the plane was old. The check in crew in Narita were amazing however.

Staff was excellent. Food could use more variety. -More vegetable options. Menu didn't have juice or soda listed. -The croissants were outstanding!

Asian Vegitarian food was test less No Salt or pepper served Need to improve with Chef who can caters for Peaple from India I am sure Chef knows different varieties of food Indian People like

The flight attendant, where kind of rude, there where hiding for almost 3 hours, without doing rounds to see if people needed water or pickup the water cups, the toilets were full of water cups, because they never come back to pick them up.

Flew on an Airbus 350-900. Excellent aircraft properly cleaned and serviced. Flight crew was excellent plane departed and arrived on time. The A350 has excellent air circulation far better than the 777. I would recommend Asiana to anyone looking to fly in a clean comfortable environment. This is my second round trip flight from New York to Bangkok via Asiana and I will book Asiana again!

Amazing service and fabulous syaff. Loved the jumbo jet too, comfortable.

I could not choose my seat prior to check in

Airfare was ok . Food not good , seat ok but not comfortable. Lay over too long , crew was ok Overall just ok

The crew was amazing and really nice. The OS on the entertainment system could use an update, though. It felt old and outdated but had anything you'd need to keep busy. I usually never use it anyways, but that did stand out.

Delta crushed it. Flight attendant in first was attentive and just never stopped. Honestly one of the best domestic flights I’ve been on.

Delta is one of the best airlines I have flown

It was a Red-Eye flight so was not comfortable enough to sleep, but seat was as expected. Crew was great and in-flight entertainment was excellent. Flight was smooth

Standard economy seats on Deltas 767 were better than Alaska premium seats on their 737 MAX9; more legroom, wider seats. Entertainment was great, no ipad or phone required. Could have included a meal service.

Plane was turned around due to fog half way into the flight, Delta did not properly direct passengers to stay on same flight and instead failed to properly rebook on Alaska

The boarding process was terrible especially with an indirect flight Chicago to Seattle to San Diego was terrible talking about we overbooked a flight idk if I’d take this airline ever again we got off our flight from Chicago to Seattle and we traveled for business and they told us our connecting flight was over booked and their was no seats asking people to take a delayed next flight and they don’t tell anyone coughing to wear masks seats 30A-B were terrible during the flight no one wants to sit next to people coughing all around I don’t want to be sick traveling for work or get sick anytime it’s very upsetting the staff doesn’t take this stuff serious to tell them to wear masks when they see people coughing and sneezing

Flight was on time, the crew was personable & professional, & the plane arrived early which was nice.

This flight landed early, but deplaned late. We were stuck sitting and waiting for a gate for over an hour

My flight was very clean and the location was comfortable. The service was great. A satisfying flight!

I appreciated being upgraded. I was very disappointed with my 13 hr layover in Seattle to geg, while my friends who flew Alaska made it home as scheduled. I had to reserve a hotel on my dime.

Paid for premium economy had no tv the whole time the crew tried to reset/reboot but would not work they said they would put a trouble ticket in for it. We had 3 seats my tv was the only one that didn't work. They cancelled our flight re worked us on another that left us at airport over night on the floor I have a ten year old and a 78 diabetic mother which also had shingles and suffers from nerve pain in legs and back. Requested wheelchair service at all airports after the re route NO wheelchair service was there to help. WORST experience we have ever had. Went to American airlines assistance it was closed. I AM FURIOUS!!! I expect some sort of compensation from this traumatic experience and no need for flying points we don't plan on using American airlines again!!!!

The flight was sequentially delayed until it reached two hours. Apparently one pilot failed to show up.

This is by far the worst experience I have had with American Airlines. The start of this trip was a complete disaster. I purposely planned my trip so that I would weather any delays so that I could make very important meeting at the Pentagon. My flight was cancelled because of maintenance and I was put on the first flight the next day but I was late to the meeting. After a long week at the Pentagon I just wanted to go home and my flight home which was early in the day was delayed. Eventually the flight was delayed until the next day. I was not authorized a hotel room because DCA was my point of origin. So I paid for a hotel out of pocket. The flight this morning was boarded then deplaned because the aircraft was hot. The flow of information was not happening in DCA and made it worse when the news was bad. I am going to take a break from American for my next few military flights. Hopefully whatever has been going on with American Airlines will be resolved.

We had a 2 hour delay. The seats were smaller than most other airlines. The person in front of us wanted to lay back and we had to stop her because she was pressing against my girlfriend’s legs. We had to ask her to sit up and not lay back due to the lack of room.

Everything was fine once we actually got on our flight. It was more then annoying they canceled (delayed) our flight. We lost out on a day of our trip along with money on our stay. Plus we had to book another hotel. So expensive.

This flight was canceled and delayed several times without explanation. The plane was freezing cold and no wifi for messaging. Getting off the plane was terribly unorganized and felt like it took forever….

The flight was delayed several times without explanation. The seats were terribly uncomfortable and wifi isn’t included. All these make for a less than ideal flight.

The flights was delayed by hours and it was the firmest landing I have experienced in my life. My back is still sore.

Internet service was erratic. Crew service was poor and slow. My luggage on this non-stop flight was lost and not recovered

Terrible. I didn’t fly and I had an important meeting the next day.

Book cheap flights from Thailand to Seattle

Recent round-trip flight deals

 
These are the cheapest round-trip flights to Seattle found on KAYAK in the last 72 hours.
10/2Wed
1 stopPhilippine Airlines
19h 45mBKK-SEA
10/27Sun
1 stopPhilippine Airlines
22h 30mSEA-BKK
$674
9/3Tue
1 stopUnited Airlines
18h 50mBKK-SEA
9/18Wed
2 stopsUnited Airlines
26h 55mSEA-BKK
$841
10/10Thu
1 stopAsiana Airlines
26h 00mCNX-SEA
10/20Sun
1 stopAsiana Airlines
19h 25mSEA-CNX
$852
10/9Wed
1 stopAsiana Airlines
26h 00mCNX-SEA
10/24Thu
1 stopAsiana Airlines
19h 25mSEA-CNX
$876
9/3Tue
1 stopAmerican Airlines
16h 20mBKK-SEA
9/17Tue
1 stopAmerican Airlines
19h 30mSEA-BKK
$943
8/26Mon
2 stopsAmerican Airlines
32h 55mBKK-SEA
11/27Wed
2 stopsAmerican Airlines
31h 05mSEA-BKK
$954
8/27Tue
2 stopsDelta
33h 26mCNX-SEA
9/27Fri
2 stopsDelta
34h 05mSEA-CNX
$965
10/10Thu
1 stopDelta
28h 35mCNX-SEA
10/26Sat
1 stopDelta
19h 05mSEA-CNX
$1,017
10/1Tue
1 stopKorean Air
24h 05mBKK-SEA
10/27Sun
1 stopKorean Air
35h 30mSEA-BKK
$1,040
11/3Sun
1 stopKorean Air
27h 45mBKK-SEA
11/4Mon
2 stopsKorean Air
36h 22mSEA-BKK
$1,064

Search by stops

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Recent one-way flight deals

 
Only flying one-way? Below are some of the best deals for one-way flights to Seattle found on KAYAK in the last 72 hours.
11/19Tue
1 stopPhilippine Airlines
34h 25mBKK-SEA
$370
11/5Tue
1 stopPhilippine Airlines
34h 25mBKK-SEA
$388
9/11Wed
2 stops
32h 44mBKK-SEA
$451
6/17Mon
1 stopAmerican Airlines
16h 30mBKK-SEA
$590
12/2Mon
1 stopAsiana Airlines
26h 05mBKK-SEA
$599
6/17Mon
2 stopsAmerican Airlines
27h 41mBKK-SEA
$600
7/2Tue
1 stopAsiana Airlines
24h 45mBKK-SEA
$607
11/3Sun
1 stopDelta
27h 45mBKK-SEA
$625
11/18Mon
2 stopsDelta
36h 22mBKK-SEA
$628
6/17Mon
1 stopKorean Air
25h 35mCNX-SEA
$703

Search by stops

Search by airline

Search by price

Last minute flights to Seattle

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights to Seattle that are departing in the next 10 days.
6/15Sat
multi-stopDelta
37h 10mCNX-SEA
8/3Sat
multi-stopDelta
38h 25mSEA-CNX
$1,698
6/15Sat
multi-stopDelta
37h 10mCNX-SEA
8/3Sat
multi-stopDelta
18h 55mSEA-CNX
$2,024
6/14Fri
multi-stopAsiana Airlines
26h 00mCNX-SEA
8/3Sat
multi-stopAsiana Airlines
19h 25mSEA-CNX
$2,062
6/15Sat
multi-stopEVA Air
21h 55mCNX-SEA
8/2Fri
multi-stopEVA Air
18h 15mSEA-CNX
$2,204
6/15Sat
multi-stop
21h 35mCNX-SEA
8/2Fri
multi-stop
41h 10mSEA-CNX
$2,226
6/15Sat
multi-stopEVA Air
21h 35mCNX-SEA
8/2Fri
multi-stopEVA Air
18h 15mSEA-CNX
$2,269
6/14Fri
multi-stop
26h 00mCNX-SEA
8/3Sat
multi-stop
30h 55mSEA-CNX
$2,450
6/15Sat
multi-stopKorean Air
28h 45mCNX-SEA
8/3Sat
multi-stopKorean Air
18h 55mSEA-CNX
$3,065
6/15Sat
multi-stopJapan Airlines
35h 21mBKK-SEA
6/27Thu
multi-stopJapan Airlines
19h 30mSEA-BKK
$4,090
6/15Sat
multi-stopJapan Airlines
30h 47mBKK-SEA
6/27Thu
multi-stopJapan Airlines
25h 10mSEA-BKK
$4,103

Search by stops

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Flights to Seattle

Destination:

Seattle (SEA)United States

Return flight deals:

Seattle - Thailand

Cabin classes: