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฿4,412+ Cheap flights from Seattle

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/8. 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.
SEA — BKK
6 Jul — 13 Jul1
1 adult

What to know about flights from Seattle

Discover essential information about flights departing from Seattle, including flight schedules, destinations, airlines operating at the Seattle airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 1 Juli 2025.

Cheapest airline

เดลต้า

Good round-trip deal

฿37,263 or less

Good one-way deal

฿4,217 or less
On average, เดลต้า currently has the cheapest one-way flight from Seattle/Tacoma Intl (avg. price of ฿30,570).
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Price to beat on a round-trip flight from Seattle/Tacoma Intl.
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Price to beat on a one-way flight from Seattle/Tacoma Intl.
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Find flights from Seattle

Cheapest flights from Seattle
Explore the most affordable flight options available from Seattle. Find the lowest fares based on data from user searches, with prices last updated on 1 Juli 2025.

Do 28/813:30SEA - TUL
1 stop8h 29mเดลต้า
Sa 6/908:15TUL - SEA
1 stop8h 28mเดลต้า
Deal found 30/6฿10,218
Di 30/911:10SEA - TUL
1 stop7h 23mUnited Airlines
Fr 3/1007:00TUL - SEA
1 stop7h 51mUnited Airlines
Deal found 1/7฿10,964
Di 30/911:10SEA - TUL
2 stops10h 05mเซาท์เวสต์แอร์ไลน์
Fr 3/1020:45TUL - SEA
1 stop5h 40mเซาท์เวสต์แอร์ไลน์
Deal found 1/7฿11,127
Mo 29/900:58SEA - TUL
1 stop6h 26mอลาสกาแอร์ไลน์
Fr 3/1010:14TUL - SEA
1 stop7h 01mอลาสกาแอร์ไลน์
Deal found 1/7฿14,338
Di 2/910:15SEA - HKT
1 stop40h 55mSingapore Airlines
Fr 31/1008:40HKT - SEA
1 stop37h 30mSingapore Airlines
Deal found 1/7฿19,950
Mo 18/814:30SEA - CNX
1 stop19h 10mAsiana Airlines
Di 2/900:45CNX - SEA
1 stop25h 45mAsiana Airlines
Deal found 1/7฿22,026
Mo 1/916:30SEA - CNX
2 stops26h 15mMultiple Airlines
Di 16/920:00CNX - SEA
2 stops32h 25mMultiple Airlines
Deal found 1/7฿22,480
Di 26/816:30SEA - HKT
2 stops26h 30mMultiple Airlines
Di 2/921:20HKT - SEA
2 stops31h 05mMultiple Airlines
Deal found 1/7฿22,578
Mi 13/807:28SEA - BKK
2 stops39h 47mKorean Air
Mi 27/821:40BKK - SEA
2 stops32h 20mKorean Air
Deal found 1/7฿23,194
So 21/907:00SEA - BKK
2 stops42h 30mANA
Mi 8/1013:55BKK - SEA
1 stop38h 30mANA
Deal found 30/6฿23,259
Sa 20/913:05SEA - BKK
2 stops49h 30mUnited Airlines
Do 2/1009:35BKK - SEA
1 stop18h 50mUnited Airlines
Deal found 30/6฿23,291
Mi 27/823:35SEA - BKK
1 stop22h 40mPhilippine Airlines
Sa 20/923:20BKK - SEA
1 stop33h 55mPhilippine Airlines
Deal found 30/6฿23,421

Find flights from Seattle within your budget

Find flights departing from Seattle that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 1 Juli 2025. In the last 7 days, Cheapflights users made a total of 17,341 searches

Fly to

Suvarnabhumi

Route

Depart

Return

Price

SeattleTulsa

SEA - TUL

SEATUL

Seattle/Tacoma Intl

Do 28/8

13:30-23:59

1 stop8h 29m

Tulsa

Sa 6/9

08:15-14:43

1 stop8h 28m

฿10,218

SeattleTulsa

SEA - TUL

SEATUL

Seattle/Tacoma Intl

Di 30/9

11:10-20:33

1 stop7h 23m

Tulsa

Fr 3/10

07:00-12:51

1 stop7h 51m

฿10,964

SeattleTulsa

SEA - TUL

SEATUL

Seattle/Tacoma Intl

Di 30/9

11:10-23:15

2 stops10h 05m

Tulsa

Fr 3/10

20:45-00:25

1 stop5h 40m

฿11,127

SeattleTulsa

SEA - TUL

SEATUL

Seattle/Tacoma Intl

Mo 29/9

00:58-09:24

1 stop6h 26m

Tulsa

Fr 3/10

10:14-15:15

1 stop7h 01m

฿14,338

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Di 2/9

10:15-17:10

1 stop40h 55m

Phuket City

Fr 31/10

08:40-08:10

1 stop37h 30m

฿19,950

SeattleChiang Mai

SEA - CNX

SEACNX

Seattle/Tacoma Intl

Mo 18/8

14:30-23:40

1 stop19h 10m

Chiang Mai

Di 2/9

00:45-12:30

1 stop25h 45m

฿22,026

SeattleChiang Mai

SEA - CNX

SEACNX

Seattle/Tacoma Intl

Mo 1/9

16:30-08:45

2 stops26h 15m

Chiang Mai

Di 16/9

20:00-14:25

2 stops32h 25m

฿22,480

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Di 26/8

16:30-09:00

2 stops26h 30m

Phuket City

Di 2/9

21:20-14:25

2 stops31h 05m

฿22,578

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Mi 13/8

07:28-13:15

2 stops39h 47m

Bangkok Suvarnabhumi

Mi 27/8

21:40-16:00

2 stops32h 20m

฿23,194

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

So 21/9

07:00-15:30

2 stops42h 30m

Bangkok Suvarnabhumi

Mi 8/10

13:55-14:25

1 stop38h 30m

฿23,259

Flights are sorted by cheapest return flights first.

Deals found on 30/6

Showing 1-10 of 60 results
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Best time to book a flight from Seattle

Have a flexible travel schedule? Discover the best time to fly from Seattle with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Seattle

Get recent, data-driven insights about flights from Seattle including ideal travel times, pricing trends, and more.

When is the best time to book a flight from Seattle?

Use this chart to determine the optimal time to book a return flight from Seattle to Suvarnabhumi. Price data was last updated on 27 June 2025.

Booking 61 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Seattle?

Currently, February is the cheapest month in which you can book a flight from Seattle (average of ฿19,982). Flying from Seattle in June will prove the most costly (average of ฿32,342). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Seattle?

Many airlines operate round-trip flights from Seattle: EVA Air, Korean Air. These airlines fly to the following popular destinations: Bangkok.

EVA Air
EVA Air
From ฿884
เดลต้า
เดลต้า
From ฿537
Korean Air
Korean Air
From ฿766

What are popular destinations to fly to from Seattle?

If you’re flying from Seattle, these routes are more frequently taken by airlines Chicago (938 flights per day), Los Angeles (682 flights per day) and San Francisco (621 flights per day).

Reykjavik
Reykjavik
From ฿2,628
Denver Intl
Denver Intl
From ฿107
Raleigh-Durham
Raleigh-Durham
From ฿238

What is the cheapest place to fly to from Seattle?

The cheapest city to fly to from Seattle is Denver Intl, with prices starting at ฿3,469. Explore other affordable destinations below.

Denver Intl
Denver Intl
From ฿107
Toronto
Toronto
From ฿139
Philadelphia
Philadelphia
From ฿230
Raleigh-Durham
Raleigh-Durham
From ฿238

Airline reviews for flights from Seattle

Get insights into the airlines that provide service from Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Seattle. In the last 7 days, Cheapflights users made a total of 17,341 searches.
Get a feel of what it's like to fly with STARLUX Airlines, Korean Air, andANA from Seattle by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.0
Wonderful
Check prices

Overall

9.0

Comfort

9.0

Crew

9.3

Boarding

9.0

Entertainment

9.0

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.0
Wonderful
STARLUX Airlines
9.0
Wonderful
Check prices

Overall

9.0

Comfort

9.0

Crew

9.3

Boarding

9.0

Entertainment

9.0

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Korean Air
8.4
Very Good
1,101 reviews
STARLUX Airlines
9.0
Wonderful
Check prices

Overall

9.0

Comfort

9.0

Crew

9.3

Boarding

9.0

Entertainment

9.0

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
ANA
8.4
Very Good
892 reviews
STARLUX Airlines
9.0
Wonderful
Check prices

Overall

9.0

Comfort

9.0

Crew

9.3

Boarding

9.0

Entertainment

9.0

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Japan Airlines
8.3
Very Good
1,505 reviews
STARLUX Airlines
9.0
Wonderful
Check prices

Overall

9.0

Comfort

9.0

Crew

9.3

Boarding

9.0

Entertainment

9.0

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
China Airlines
8.3
Very Good
745 reviews
STARLUX Airlines
9.0
Wonderful
Check prices

Overall

9.0

Comfort

9.0

Crew

9.3

Boarding

9.0

Entertainment

9.0

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

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Direct flights from Washington

Book a direct flight from one of these other cities located in Washington.
Direct flights from Spokane

Related info for your journey

Access useful and relevant information related to your journey from Seattle. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 1 Juli 2025.

  • What are the most popular destinations to fly to from Seattle?

    The most selected flight destinations from Seattle for the current month are Boston, Bengaluru, Mumbai. While Boston, Mumbai, Bangkok Suvarnabhumi Airport are the top choices made by travellers year-round.

  • What is the cheapest flight from Seattle to anywhere?

    Users have flown out of Seattle for as low as ฿3,469 to Denver (prices may vary depending on the airline and departure time). On average, users have booked flights for ฿28,372 to fly from Seattle.

  • What are the cheapest airlines flying from Seattle to anywhere?

    According to our data, users have found เดลต้า, Korean Air, and EVA Air to have the cheapest round-trip prices from Seattle. Some of the destinations and prices are as follows: เดลต้า flights from Seattle to Harrisburg (฿17,432). Korean Air flights from Seattle to Bangkok Suvarnabhumi (฿24,836). EVA Air flights from Seattle to Bangkok Suvarnabhumi (฿28,687).

  • What is the cheapest premium economy flight from Seattle?

    If you're looking for an elevated level of comfort for your next adventure, premium economy flights from Seattle may suit your needs. The cheapest premium economy flights from Seattle are:
    Fly Seattle/Tacoma Intl to Anchorage from ฿30,262
    Fly Seattle/Tacoma Intl to Atlanta from ฿34,773
    Fly Seattle/Tacoma Intl to Taipei City Taiwan Taoyuan Intl Airport from ฿73,818
    Fly Seattle/Tacoma Intl to Incheon Intl Airport from ฿82,723

  • What is the cheapest first class flight from Seattle?

    If you’re looking to fly first-class from Seattle to anywhere, put Las Vegas on your list as prices start at ฿24,206 for this destination.

  • What is the cheapest month to fly from Seattle?

    At the present moment the cheapest month to fly from Seattle is currently February; with June being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from Seattle?

    Here are some of the cheapest flight destinations from Seattle:
    Fly from Seattle to Bangkok from ฿16,674

  • How does Cheapflights help users find flights from Seattle?

    900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight from Seattle today with Cheapflights!

  • Why should you use Cheapflights to find cheap flight tickets from Seattle?

    It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Seattle.

  • Can Cheapflights find flights from Seattle with no change fees?

    Need flexible booking options for your flight from Seattle ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

  • Can Cheapflights notify me if prices for flights from Seattle become cheaper?

    Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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How does Cheapflights help users find flights from Seattle?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight from Seattle today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Seattle?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Seattle.

Can Cheapflights find flights from Seattle with no change fees?

Need flexible booking options for your flight from Seattle ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Seattle become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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