Cheap Flights from Seattle to Bangkok from $890 Return

Flight deals from Seattle to Bangkok

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

Bangkok.$492 per passenger.Departing Tue, 24 Feb.One-way flight with Singapore Airlines.Outbound indirect flight with Singapore Airlines, departs from Seattle / Tacoma International on Tue, 24 Feb, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $492, select.

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Flying from Seattle to Bangkok

Arm yourself with these facts on the fly.

Cheapest flight found	$492
Cheapest month to fly	February
Cheapest airport to fly from	Seattle / Tacoma International

How to find cheap flights from Seattle to Bangkok

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Seattle to Bangkok. Other savvy travellers recently found return flights from $890 and one-way tickets from $492 one-way. Ready to join them? Here are a few tips to help you do it the smart way.

Fly from Seattle / Tacoma International into Bangkok Suvarnabhumi

At the moment, the lowest priced flight tickets to Bangkok are from Seattle / Tacoma International Airport to Bangkok Suvarnabhumi Airport.

Fly in January

We crunched the flight calendar and found the cheapest time to fly from Seattle to Bangkok is currently January.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from Seattle to anywhere you choose in Bangkok.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from Seattle to Bangkok go up or down so you can book when the time is just right.

Relax – these are fee-free flight tickets

With us, there are no added fees – the Bangkok to Bangkok flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

What's the average Seattle to Bangkok flight price?

We looked at all of the upcoming return flights from Seattle to Bangkok we could find over the next 12 months. It looks like $890 is the best price. This is good, compared to the average Bangkok ticket price of $890.

What is the cheapest month to fly from Seattle to Bangkok?

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

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.

Are there any direct flights from Seattle to Bangkok?

Currently, there aren't any direct flights from Seattle to Bangkok, but you can still fly with a stopover.

If I'm flying from Seattle, where in Bangkok is cheapest to fly into?

If you're flying from Seattle, the cheapest city in Bangkok to fly into is Bangkok. The cheapest airport serving Bangkok at the moment is Bangkok Suvarnabhumi.