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Cheap flights from the United States to Bangkok from $283

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Bangkok departing on 11/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from the United States to Bangkok

Recent round-trip flight deals from the United States to Bangkok

Singapore Airlines Logo
8:45 am - 6:45 pmSEA-BKK
43h 00m1 stop
Singapore Airlines Logo
3:40 pm - 7:10 amBKK-SEA
30h 30m1 stop
$512Singapore Airlines
Find Deal
Sun, Jan 18 - Fri, Jan 30
Singapore Airlines Logo
8:45 am - 5:00 pmSEA-BKK
41h 15m1 stop
Singapore Airlines Logo
3:40 pm - 7:10 amBKK-SEA
30h 30m1 stop
$514Singapore Airlines
Find Deal
Sun, Jan 18 - Wed, Jan 28
Korean Air Logo
12:50 pm - 11:25 pmSEA-BKK
20h 35m1 stop
Korean Air Logo
2:35 am - 10:40 amBKK-SEA
22h 05m1 stop
$656Korean Air
Find Deal
Mon, Sep 1 - Tue, Sep 16
ANA Logo
5:45 pm - 6:00 amORD-BKK
24h 15m1 stop
ANA Logo
1:55 pm - 8:40 amBKK-ORD
30h 45m1 stop
$662ANA
Find Deal
Mon, Sep 8 - Wed, Sep 17
Korean Air Logo
12:50 pm - 1:05 amSEA-BKK
22h 15m1 stop
Korean Air Logo
2:35 am - 10:40 amBKK-SEA
22h 05m1 stop
$665Korean Air
Find Deal
Wed, Sep 10 - Sun, Sep 21
Cathay Pacific Logo
4:00 pm - 10:00 amORD-BKK
30h 00m1 stop
Cathay Pacific Logo
7:00 pm - 2:25 pmBKK-ORD
31h 25m1 stop
$670Cathay Pacific
Find Deal
Mon, Oct 6 - Sun, Oct 19
Cathay Pacific Logo
4:00 pm - 11:30 amORD-BKK
31h 30m1 stop
Cathay Pacific Logo
7:00 pm - 2:25 pmBKK-ORD
31h 25m1 stop
$672Cathay Pacific
Find Deal
Tue, Sep 30 - Mon, Oct 6
United Airlines Logo
6:00 am - 11:55 pmDFW-BKK
29h 55m2 stops
United Airlines Logo
7:00 am - 9:59 pmBKK-DFW
26h 59m2 stops
$680United Airlines
Find Deal
Mon, Aug 18 - Wed, Sep 3
United Airlines Logo
12:50 pm - 4:35 amORD-BKK
27h 45m1 stop
United Airlines Logo
7:00 am - 2:55 pmBKK-ORD
19h 55m1 stop
$684United Airlines
Find Deal
Mon, Aug 25 - Mon, Sep 8
ANA Logo
7:19 am - 11:55 pmORD-BKK
28h 36m2 stops
ANA Logo
7:00 am - 2:55 pmBKK-ORD
19h 55m1 stop
$689ANA
Find Deal
Mon, Aug 25 - Mon, Sep 8

Korean Air flights from United States to Bangkok

Our best Korean Air deals on United States to Bangkok flight tickets
Korean Air
Sep 1
SEA12:50 pmSeattle/Tacoma Intl
20h 35m
1 stop
BKK11:25 pmBangkok Suvarnabhumi
Sep 16
BKK2:35 amBangkok Suvarnabhumi
22h 05m
1 stop
SEA10:40 amSeattle/Tacoma Intl
$656
Find similar
Korean Air
Aug 13
SEA1:20 pmSeattle/Tacoma Intl
18h 25m
1 stop
BKK9:45 pmBangkok Suvarnabhumi
Sep 1
BKK9:40 pmBangkok Suvarnabhumi
27h 00m
1 stop
SEA10:40 amSeattle/Tacoma Intl
$665
Find similar
Korean Air
Oct 30
SEA12:00 pmSeattle/Tacoma Intl
21h 20m
1 stop
BKK11:20 pmBangkok Suvarnabhumi
Nov 11
BKK9:30 pmBangkok Suvarnabhumi
26h 30m
1 stop
SEA9:00 amSeattle/Tacoma Intl
$672
Find similar

Singapore Airlines flights from United States to Bangkok

Our best Singapore Airlines deals on United States to Bangkok flight tickets
Singapore Airlines
Jan 18
SEA8:45 amSeattle/Tacoma Intl
43h 00m
1 stop
BKK6:45 pmBangkok Suvarnabhumi
Jan 30
BKK3:40 pmBangkok Suvarnabhumi
30h 30m
1 stop
SEA7:10 amSeattle/Tacoma Intl
$512
Find similar
Singapore Airlines
Jan 18
SEA8:45 amSeattle/Tacoma Intl
41h 15m
1 stop
BKK5:00 pmBangkok Suvarnabhumi
Jan 28
BKK3:40 pmBangkok Suvarnabhumi
30h 30m
1 stop
SEA7:10 amSeattle/Tacoma Intl
$514
Find similar
Singapore Airlines
Jan 18
SEA8:45 amSeattle/Tacoma Intl
20h 15m
1 stop
BKK8:00 pmBangkok Suvarnabhumi
Jan 28
BKK6:05 pmBangkok Suvarnabhumi
28h 05m
1 stop
SEA7:10 amSeattle/Tacoma Intl
$515
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from United States to Bangkok that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from the United States to Bangkok that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Sun 1/18

8:45 am-6:45 pm

1 stop43h 00m

Bangkok Suvarnabhumi

Fri 1/30

3:40 pm-7:10 am

1 stop30h 30m

$512

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Sun 1/18

8:45 am-5:00 pm

1 stop41h 15m

Bangkok Suvarnabhumi

Wed 1/28

3:40 pm-7:10 am

1 stop30h 30m

$514

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Mon 9/1

12:50 pm-11:25 pm

1 stop20h 35m

Bangkok Suvarnabhumi

Tue 9/16

2:35 am-10:40 am

1 stop22h 05m

$656

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 9/8

5:45 pm-6:00 am

1 stop24h 15m

Bangkok Suvarnabhumi

Wed 9/17

1:55 pm-8:40 am

1 stop30h 45m

$662

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Wed 9/10

12:50 pm-1:05 am

1 stop22h 15m

Bangkok Suvarnabhumi

Sun 9/21

2:35 am-10:40 am

1 stop22h 05m

$665

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 10/6

4:00 pm-10:00 am

1 stop30h 00m

Bangkok Suvarnabhumi

Sun 10/19

7:00 pm-2:25 pm

1 stop31h 25m

$670

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 9/30

4:00 pm-11:30 am

1 stop31h 30m

Bangkok Suvarnabhumi

Mon 10/6

7:00 pm-2:25 pm

1 stop31h 25m

$672

DallasBangkok

DFW - BKK

DFWBKK

Dallas/Fort Worth

Mon 8/18

6:00 am-11:55 pm

2 stops29h 55m

Bangkok Suvarnabhumi

Wed 9/3

7:00 am-9:59 pm

2 stops26h 59m

$680

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 8/25

12:50 pm-4:35 am

1 stop27h 45m

Bangkok Suvarnabhumi

Mon 9/8

7:00 am-2:55 pm

1 stop19h 55m

$684

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 8/25

7:19 am-11:55 pm

2 stops28h 36m

Bangkok Suvarnabhumi

Mon 9/8

7:00 am-2:55 pm

1 stop19h 55m

$689

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Bangkok from

How to get the cheapest flight ticket from United States to Bangkok

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Bangkok?

If you aren’t able to travel during the month of September, then book flights to Bangkok from United States during October instead. Flights to Bangkok in October, while not as cheap as those in September, still average around $931.

What is the cheapest day to depart on your flight to Bangkok?

On average, the least expensive day to fly to Bangkok from United States is on a Monday. momondo users have found tickets for Monday departures for as low as $1,131. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from United States to Bangkok on a Saturday will generally be more expensive and average around $1,305. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Bangkok?

According to our data, the cheapest time of day to fly to Bangkok is in the afternoon. momondo users have found flights departing from United States to Bangkok in the afternoon for as low as $1,101. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the morning because they tend to be around $1,231. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest United States to Bangkok flight route?

Fly from Los Angeles to Bangkok Suvarnabhumi for the best United States - Bangkok flight prices

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

You are more likely to see cheaper flights to Bangkok from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Bangkok for around $1,066 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bangkok from United States for as low as $970 on momondo.

What cabin class options are available on United States to Bangkok flights?

There are 3 cabin classes available to choose from on United States to Bangkok flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap United States to Bangkok flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United States to Bangkok

Best Price Found

$283

Fastest flight time

18h 25m

Direct flights

Every day

Airports in Bangkok

1 airport
The best one-way flight to Bangkok from United States in the past 72 hours is $283. The best round-trip flight deal from United States to Bangkok found on momondo in the last 72 hours is $512.
The fastest flight from United States to Bangkok takes 18h 25m
Direct flights go from United States to Bangkok every day.
There is 1 airport near Bangkok: Bangkok Suvarnabhumi (BKK)
Search flight deals

  • When did momondo last update prices for flights from United States to Bangkok?

    Prices for flights from United States to Bangkok are refreshed on a daily basis.

  • How many operators does momondo search for flights from United States to Bangkok?

  • How old do you have to be to fly from United States to Bangkok?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United States to Bangkok.

  • What documentation or ID do you need to fly to Bangkok?

    The required travel and health documents for your Bangkok trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Bangkok. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from United States to Bangkok

Compare and see reviews for airlines that fly from United States to Bangkok with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $126Free CancellationRating
6.3
8,049 reviews
Search Spirit Airlines flights
SAUDIAPriceFrom $479Free CancellationRating
7.4
627 reviews
Search SAUDIA flights
China SouthernPriceFrom $522Free CancellationRating
7.6
104 reviews
Search China Southern flights
CondorPriceFrom $530Free CancellationRating
6.3
353 reviews
Search Condor flights
Air ChinaPriceFrom $533Free CancellationRating
7.3
93 reviews
Search Air China flights
IndiGoPriceFrom $559Free CancellationRating
6.8
478 reviews
Search IndiGo flights
Air IndiaPriceFrom $592Free CancellationRating
5.5
2,928 reviews
Search Air India flights
AIR PREMIAPriceFrom $606Free CancellationRating
8.2
59 reviews
Search AIR PREMIA flights
ZIPAIRPriceFrom $740Free CancellationRating
7.5
48 reviews
Search ZIPAIR flights
Vietnam AirlinesPriceFrom $758Free CancellationRating
7.5
197 reviews
Search Vietnam Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from United States to Bangkok?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from United States to Bangkok. momondo saves you time and could save you money on your trip.

Can I find flights from United States to Bangkok with flexible booking policies on momondo?

Flights from United States to Bangkok with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from United States to Bangkok?

momondo provides multiple filters to help you find the best flight to Bangkok from United States. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from United States to Bangkok right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Bangkok, momondo offers a useful price alert feature which will track prices for flights to Bangkok from United States and alert you when they change.

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Find better results for your trip to Thailand

Fly into one of these airports located in Bangkok

Airports listed have a maximum distance of 15.4 mi from Bangkok
Bangkok Suvarnabhumi Airport
Bangkok Don Mueang Intl Airport