Cheap Flights from Seattle to Bangkok

Compare Seattle to Bangkok flight deals

Find the cheapest month or even day of the year to fly to Bangkok

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Flight deals from Seattle to Bangkok

Looking for a cheap last-minute deal or the best return flight from Seattle to Bangkok? Find the lowest prices on one-way and return tickets right here.

Bangkok.Rs89,798 per passenger.Departing Tue, 3 Mar.One-way flight with Singapore Airlines.Outbound indirect flight with Singapore Airlines, departs from Seattle / Tacoma International on Tue, 3 Mar, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From Rs89,798, select.

Bangkok.Rs89,798 per passenger.Departing Tue, 10 Feb.One-way flight with Singapore Airlines.Outbound indirect flight with Singapore Airlines, departs from Seattle / Tacoma International on Tue, 10 Feb, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From Rs89,798, select.

Bangkok.Rs90,030 per passenger.Departing Tue, 27 Jan.One-way flight with Singapore Airlines.Outbound indirect flight with Singapore Airlines, departs from Seattle / Tacoma International on Tue, 27 Jan, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From Rs90,030, select.

Bangkok.Rs96,251 per passenger.Departing Tue, 14 Apr.One-way flight with Philippine Airlines.Outbound indirect flight with Philippine Airlines, departs from Seattle / Tacoma International on Tue, 14 Apr, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From Rs96,251, select.

Bangkok.Rs96,385 per passenger.Departing Sun, 2 Aug.One-way flight with Philippine Airlines.Outbound indirect flight with Philippine Airlines, departs from Seattle / Tacoma International on Sun, 2 Aug, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From Rs96,385, select.

Bangkok.Rs96,457 per passenger.Departing Tue, 20 Oct.One-way flight with Philippine Airlines.Outbound indirect flight with Philippine Airlines, departs from Seattle / Tacoma International on Tue, 20 Oct, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From Rs96,457, select.

Bangkok.Rs96,457 per passenger.Departing Wed, 30 Sep.One-way flight with Philippine Airlines.Outbound indirect flight with Philippine Airlines, departs from Seattle / Tacoma International on Wed, 30 Sep, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From Rs96,457, select.

Bangkok.Rs98,195 per passenger.Departing Sun, 15 Nov.One-way flight with Philippine Airlines.Outbound indirect flight with Philippine Airlines, departs from Seattle / Tacoma International on Sun, 15 Nov, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From Rs98,195, select.

Find the cheapest month to fly from Seattle to Bangkok

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle to Bangkok flights are currently cheapest in February.

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Alternative Seattle to Bangkok routes

Looking for the cheapest, fastest or easiest route from Seattle to Bangkok? You could fly into the following airports instead.

Seattle to Bangkok: Flight information

The things to know before you go.

Cheapest flight found	Rs89,798
Cheapest month to fly	February

Finding cheap flights from Seattle to Bangkok: Frequently asked questions

How many airports are there in Bangkok?

There are 2 airports in Bangkok: Don Mueang and Bangkok Suvarnabhumi.

How much are return flights from Seattle to Bangkok?

The best price we found for a return flight from Seattle to Bangkok is Rs162,908. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from Seattle to Bangkok?

Currently, there are no airlines that fly direct from Seattle to Bangkok. But we found flights with one or more stops from Rs162,908.

How many flights are there a week from Seattle to Bangkok?

As of December 2025, there are no flights flying from Seattle to Bangkok.

When is the cheapest time to fly from Seattle to Bangkok?

The cheapest month to fly from Seattle to Bangkok is usually January.

Which is the cheapest airport to fly into in Bangkok?

If you're flying from Seattle, the cheapest airport near Bangkok is Bangkok Suvarnabhumi – which is 28.5 km away from the centre of Bangkok. We've found flights into this airport from Rs162,908.

Which upcoming date is cheapest to fly from Seattle to Bangkok on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Bangkok on Tuesday, 27 January 2026.

Can I get a direct flight from Seattle to Bangkok?

No airlines currently offer direct flights between Seattle and Bangkok. Most routes have one or more stops.

How can I get the best flight deal from Seattle to Bangkok?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Bangkok but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Bangkok?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Bangkok is around 40 days in advance, so don’t leave your flight to the last minute.

What’s the weather like in Bangkok?

In December, the average temperature is usually around 25°C. April is typically the warmest month in Bangkok, when it usually averages around 35°C. You can expect the least rain in December. The coldest month is November, with temperatures averaging 22°C. The rainiest month is September.

Which is the cheapest airline to fly from Seattle to Bangkok with?

The cheapest airline that flies to Bangkok is Singapore Airlines .

Travelling from Seattle to Bangkok: what you need to know

There are two main airports you can fly out of in Seattle. Check out your options departing from Seattle-Tacoma International Airport (SEA) or Lake Union Sea Plane Base Airport (LKE) when organising your flight from Seattle to Bangkok.
When it comes to choosing where to land in Bangkok, Suvarnabhumi Airport (BKK) and Don Mueang International Airport (DMK) are the major entry points.
The timezone in Bangkok is UTC+7, which is 14 hours ahead of Seattle.
Give yourself enough time to get on your Seattle to Bangkok flight. It's generally best to arrive at least two hours before international departures and an hour ahead for domestic flights.
Be prepared for longer queues during popular months like July. Arriving up to four hours in advance for international flights and two hours for domestic departures is a smart move.

How to find the cheapest flights from Seattle to Bangkok

Don't leave everything to the last moment. You're more likely to get cheap Seattle to Bangkok flights if you book in advance. Airlines often offer some amazing early bird rates.
Getting cheap plane tickets from Seattle to Bangkok is easier if you're flexible with your travel dates. Use the 'Whole month' search tool to see the lowest fares throughout the month and walk away with a sweet deal.
Snapping up a cheap flight from Seattle to Bangkok is a piece of cake with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know when a better deal is available.
Save on your Seattle to Bangkok flight with the help of our filters. Select your preferred departure time, duration and airlines, then sort the results by 'Cheapest' for the best deals.

Flying from Seattle

Seattle-Tacoma International Airport (SEA)

We make it simple to find a Seattle to Bangkok flight with a stopover. To see the options leaving from Seattle-Tacoma International Airport, uncheck 'Direct flights only.' Then, simply choose a flight offering a stop long enough to explore your chosen city. Top stopovers include:
- Shanghai Pudong International Airport (PVG)
- Ninoy Aquino International Airport (MNL)
- Vancouver International Airport (YVR)
The journey from central Seattle to SEA takes around 55 minutes by public transport. If you drive, ride-share or take a cab, you'll cover the 18 kilometres in 20 minutes or so, depending on traffic conditions.
Have an early flight from Seattle to Bangkok? Avoid the hassle of rushing to the terminal (and get some extra shut-eye) by choosing one of these hotels near Seattle-Tacoma International Airport:
Seattle-Tacoma International Airport scores top marks for on-time performance. 81.27% of flights that take off from SEA arrive at their destination as scheduled.

Arriving in Bangkok

Suvarnabhumi Airport (BKK)

Suvarnabhumi Airport (BKK) to central Bangkok takes about 35 minutes by car. The centre is roughly 29 kilometres away.
If you're using public transport, expect a journey time of about 1 hour 5 minutes.
The last thing you need is a long journey to your hotel if you're getting in late on a flight from Seattle to Bangkok. Check in to one of these accommodation options near BKK instead:
Get your adventure underway by picking up a Suvarnabhumi Airport rental car. Grab your wheels from Chic Car Rent, asap car hire or Hertz and explore beyond Bangkok's main sights.
Secure the lowest price by reserving your vehicle from Suvarnabhumi Airport about four weeks ahead of your departure.

Don Mueang International Airport (DMK)

As soon as your flight from Seattle to Bangkok has hit the tarmac, you can reach the city centre in around 30 minutes by car. Central Bangkok is approximately 21 kilometres from Don Mueang International Airport (DMK).
If you choose to travel on public transport, the ride to the centre will take you 1 hour 5 minutes or so.
Hang up the 'Do not disturb' sign and relax at a hotel near DMK. Here are a few options where you can take a load off after your flight from Seattle to Bangkok:
Chic Car Rent, asap car hire and Hertz make collecting a Don Mueang International Airport rental car quick and easy. These trusted companies are located in or around the terminal and will have you on your way in a heartbeat.
Don't pay more than you need to. Booking your ride three weeks before your arrival at DMK will save you money.

Best time to go to Bangkok

July is the most popular month for flights from Seattle to Bangkok. To travel when it's less crowded, head to Bangkok in April.
Before locking in your Seattle to Bangkok tickets, think about the kind of weather forecast you're hoping for. April is the warmest month in Bangkok, with temperatures ranging from 26ºC to 37ºC.
December has average temperatures of between 19ºC and 33ºC. Search for cheap flights from Seattle to Bangkok around that time if you like cooler conditions.

More about Bangkok

When it comes to searching for somewhere to lay your head, you'll find the best stays in Bangkok right here. Browse these hotels once you've booked your flight from Seattle to Bangkok:
Grand Palace and Wat Arun are just a couple of the popular attractions to add to your Bangkok itinerary. Keep the sightseeing going at Wat Phra Kaew.

Explore more of Thailand

Bangkok will leave a lasting impression, but there are so many other corners of Thailand just waiting to be discovered. About 467 kilometres north-east of Bangkok, a trip to Udon Thani will keep you busy. Start with attractions like Nong Prajak Public Park, Krom Luang Prachaksinlapakhom Monument and Chinesisches Tor.
Chon Buri is another standout destination in Thailand and is around 64 kilometres south-east of Bangkok. No journey is complete without experiencing Wat Ton Son, Forest and Phra Phutthasihing Hall.