Cheap flights from Seattle to Bangkok from £456

Cheap flights from Seattle to Bangkok from £456

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1 stop
Mon, May 25
Seattle SEABangkok BKK
£456
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1 stop
Mon, May 25
Seattle SEABangkok BKK
£482
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1 stop
Mon, May 25
Seattle SEABangkok BKK
£482
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1 stop
Mon, May 25
Seattle SEABangkok BKK
£485
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1 stop
Sat, May 30
Seattle SEABangkok BKK
£488
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1 stop
Sat, May 30
Seattle SEABangkok BKK
£508
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1 stop
Sat, May 30 – Fri, Jun 5
Seattle SEABangkok BKK
£922
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1 stop
Sat, May 30 – Wed, Jun 3
Seattle SEABangkok BKK
£925
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1 stop
Mon, May 25 – Sat, May 30
Seattle SEABangkok BKK
£949
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1 stop
Sat, May 30 – Wed, Jun 3
Seattle SEABangkok BKK
£965
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1 stop
Sat, May 30 – Thu, Jun 4
Seattle SEABangkok BKK
£1,001
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1 stop
Sat, May 30 – Thu, Jun 4
Seattle SEABangkok BKK
£1,006
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How much do flights to Bangkok cost?

Cheapest one-way trip

£456

Cheapest round-trip

£922

Average round-trip

£1,024

Most popular airline

WestJet

Getting from Bangkok's airports to the city center

Fastest options: Airport Rail Link (BKK) and taxi. Best value: public buses and the Airport Rail Link.

Bangkok is served by two main airports, each offering a variety of airport transfers to city center destinations. Suvarnabhumi Airport (BKK) lies 30 km east of central Bangkok and handles most international flights. Don Mueang International Airport (DMK) is 24 km north of the city center and primarily serves low-cost carriers and domestic routes. Transport options include the Airport Rail Link, public buses, taxis, ride-hailing services, and private transfers. Journey times and costs vary depending on the airport, time of day, and traffic conditions, which can be significant in Bangkok.

From Suvarnabhumi Airport (BKK)

Transport Option

Typical Time

Typical Cost

Frequency

Best For

26-30 min

฿45 (flat fare to Phaya Thai (~$1.30 USD))

every 10–15 min (traffic dependent)

budget travelers to BTS

60-90 min

฿60 (flat fare (~$1.70 USD))

every 30 min (traffic dependent)

backpackers to Khao San

30-60 min

฿250-฿400 (metered plus 50 THB airport surcharge and tolls (~$7–12 USD))

on-demand 24/7 (traffic dependent)

door-to-door with luggage

30-60 min

฿300-฿500 (varies by demand and vehicle type (~$9–15 USD))

on-demand 24/7 (traffic dependent)

app-based convenience

30-60 min

฿800-฿1,500 (pre-booked sedan or van (~$23–43 USD))

pre-booked (traffic dependent)

groups or premium comfort

From Don Mueang International Airport (DMK)

Transport Option

Typical Time

Typical Cost

Frequency

Best For

20-40 min

฿30 (flat fare (~$0.85 USD))

every 10–20 min (traffic dependent)

budget connection to BTS

30-60 min

฿200-฿350 (metered plus 50 THB airport surcharge and tolls (~$6–10 USD))

on-demand 24/7 (traffic dependent)

door-to-door with luggage

30-60 min

฿250-฿450 (varies by demand and vehicle type (~$7–13 USD))

on-demand 24/7 (traffic dependent)

app-based convenience

Notes:

  • Prices in THB; table created in 2025 and subject to change.
  • Bangkok traffic can be severe, especially during rush hours (7–9 AM and 5–8 PM). Allow extra time for road-based transport.
  • The Airport Rail Link connects to BTS Skytrain at Phaya Thai station and MRT at Makkasan station.
  • Metered taxis charge a 50 THB airport surcharge plus expressway tolls (typically 25–75 THB).
  • We recommend checking official transport websites for your travel planning.

Updated: December 2025

Key info about flying to Bangkok

Depart from
Seattle–Tacoma International
Arrive to
Suvarnabhumi
Average flights per week
400
Flight distance
Worth visiting
Ayuthaya, Thailand - Chatuchak Weekend Market, Bangkok - Grand Palace, Bangkok - Wat Pho, Bangkok

Check-in for a flight from Seattle to Bangkok

NameCarrier codeIATA CodePassport needed during booking
WestJetWJAWSNo
Cathay PacificCPACXNo
Alaska AirlinesASAASNo
Thai AirAsiaAIQFDNo
Thai Lion AirTLMSLYes

Online check-in is not available for these airlines.

Weather in Bangkok

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January32°C23°C
February33°C25°C
March34°C27°C
April35°C28°C
May34°C28°C
June33°C27°C
July31°C26°C
August32°C26°C
September31°C26°C
October31°C25°C
November31°C24°C
December31°C23°C
Hottest Month
35°C
April
Coldest month
23°C
January
Sunny days
231
days per year

14 day forecast

Sunday
10 May
84%
36°C29°C
17 May
36°C30°C
Monday
11 May
89%
38°C29°C
18 May
85%
32°C29°C
Tuesday
12 May
36°C30°C
19 May
84%
29°C27°C
Wednesday
13 May
88%
37°C28°C
20 May
87%
31°C27°C
Thursday
14 May
85%
37°C30°C
21 May
88%
26°C25°C
Friday
15 May
81%
37°C30°C
22 May
87%
27°C25°C
Saturday
16 May
89%
37°C29°C
23 May
86%
30°C26°C
Travelers usually depart from Seattle–Tacoma International, Kenmore Air Harbor Seaplane Base, or Boeing Field when they travel from Seattle to Bangkok. Book your trip to arrive at Suvarnabhumi, or Don Mueang International. The most popular airlines for this route are WestJet, Cathay Pacific, Alaska Airlines, Thai AirAsia, and Thai Lion Air. Seattle and Bangkok have 400 direct flights per week. When you arrive at Bangkok, consider visiting Ayuthaya, Thailand, Chatuchak Weekend Market, Bangkok, Grand Palace, Bangkok, and Wat Pho, Bangkok.

Frequently asked questions

What are the most popular routes to and from Seattle?
Travelers frequently search for route combinations, such as Seattle and London, Mexico City, New York, Las Vegas, Los Angeles, Guadalajara, Calgary, Edinburgh, Phoenix, San Francisco, Dallas, Chicago, Honolulu, San Diego, Ontario, Glasgow, Belfast, Denver, Istanbul, Kahului.
What are the most popular routes to and from Bangkok?
Travelers frequently search for route combinations, such as Bangkok and London, Phuket City, Phuket Province, Chiang Mai, Manchester, Krabi, Bali, Surat Thani Province, Ho Chi Minh City, Manila, Denpasar, Singapore, Phnom Penh, Tokyo, Hanoi, Edinburgh, Kuala Lumpur, Ko Samui, Da Nang, Hong Kong.
Which airports are there in Seattle?
Seattle is mainly served by Seattle–Tacoma International. But there are other airports nearby, including Boeing Field, Kenmore Air Harbor Seaplane Base.
What airports are near Seattle?
The main airport in Seattle is Seattle–Tacoma International. It is also served by Vancouver International, Portland International, Bellingham International, Abbotsford International, Vancouver Harbour Flight Centre, Yakima Air Terminal, Victoria Inner Harbour SPB, Paine Field Everett, Pangborn Memorial.
What airports are near Bangkok?
The main airport in Bangkok is Suvarnabhumi. It is also served by U-Tapao International, Hua Hin.
Which airlines fly between Seattle and Bangkok?
Currently, you can fly between Seattle and Bangkok with WestJet, Cathay Pacific, Alaska Airlines, Thai AirAsia, Thai Lion Air.
When’s the best time to travel between Seattle and Bangkok?
If you don’t have specific dates for your trip between Seattle and Bangkok, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.
What flights operate between Seattle and Bangkok?
Traveling between Seattle and Bangkok, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.
How many airports are there near Seattle?
There are a number of airports in and around Seattle. The main one is Seattle–Tacoma International and other nearby airports include Vancouver International, Portland International, Bellingham International, Abbotsford International, Vancouver Harbour Flight Centre, Yakima Air Terminal, Victoria Inner Harbour SPB, Paine Field Everett, Pangborn Memorial
How many airports are there near Bangkok?
What time do nonstop (direct) flights between Seattle and Bangkok depart?
What time do nonstop (direct) flights between Seattle and Bangkok arrive?
What time do flights between Seattle and Bangkok depart?
What time do flights between Seattle and Bangkok arrive?

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