How long is the flight from United States to Thailand?

The flight from United States to Thailand depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Boston (a popular airport in United States) to Bangkok Suvarnabhumi Airport (the most popular airport in Thailand), then the flight time is 20h 20m on average. If you fly from Los Angeles (another popular airport in United States) to Bangkok Suvarnabhumi Airport, then the average flight time is 20h 25m.

What is the cheapest airline that flies from United States to Thailand?

Singapore Airlines, Air India, and China Eastern are the most popular carriers operating from United States to Thailand

What airlines fly to Thailand?

Cathay Pacific, Asiana Airlines and Singapore Airlines are the top three most popular airlines that fly to Thailand from United States according to our data. Cathay Pacific is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Thailand. Keep in mind that there are 42 different airlines that fly to Thailand on a routine basis, so you have a few additional options to choose from.

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

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

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

As of August 2025, there are 40 operators available to choose from for flights from United States to Thailand.

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

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 Thailand.

What documentation or ID do you need to fly to Thailand?

The required travel and health documents for your Thailand 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 Thailand. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$283 Cheap Flights from the United States to Thailand in 2025

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Find the cheapest flights from the United States to Thailand

Round-trip

One-way

Last minute

Direct

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

8:45 am - 6:45 pmSEA-BKK

43h 00m1 stop

3:40 pm - 7:10 amBKK-SEA

30h 30m1 stop

$512Singapore Airlines

Find Deal

Sun, Jan 18 - Fri, Jan 30

8:45 am - 8:00 pmSEA-BKK

20h 15m1 stop

3:40 pm - 7:10 amBKK-SEA

30h 30m1 stop

$514Singapore Airlines

Find Deal

Thu, Jan 22 - Mon, Feb 9

12:50 pm - 11:25 pmSEA-BKK

20h 35m1 stop

2:35 am - 10:40 amBKK-SEA

22h 05m1 stop

$656Korean Air

Find Deal

Mon, Sep 1 - Tue, Sep 16

12:50 pm - 1:05 amSEA-BKK

22h 15m1 stop

2:35 am - 10:40 amBKK-SEA

22h 05m1 stop

$665Korean Air

Find Deal

Wed, Sep 10 - Sun, Sep 21

4:00 pm - 11:30 amORD-BKK

31h 30m1 stop

7:00 pm - 2:25 pmBKK-ORD

31h 25m1 stop

$672Cathay Pacific

Find Deal

Tue, Sep 30 - Mon, Oct 6

4:00 pm - 11:50 pmORD-BKK

19h 50m1 stop

7:00 pm - 2:25 pmBKK-ORD

31h 25m1 stop

$674Cathay Pacific

Find Deal

Mon, Oct 6 - Mon, Oct 13

4:30 pm - 6:00 amSEA-BKK

23h 30m1 stop

9:35 am - 2:25 pmBKK-SEA

18h 50m1 stop

$681ANA

Find Deal

Mon, Oct 6 - Thu, Apr 30

11:50 am - 11:55 pmORD-BKK

24h 05m1 stop

9:35 pm - 8:40 amBKK-ORD

23h 05m1 stop

$682ANA

Find Deal

Wed, Sep 3 - Wed, Sep 10

7:30 pm - 1:25 pmATL-BKK

30h 55m1 stop

9:05 pm - 3:55 pmBKK-ATL

29h 50m1 stop

$891Qatar Airways

Find Deal

Mon, Sep 15 - Mon, Oct 6

7:30 pm - 1:25 pmATL-BKK

30h 55m1 stop

2:30 am - 3:55 pmBKK-ATL

24h 25m1 stop

$900Qatar Airways

Find Deal

Mon, Aug 11 - Mon, Sep 15

Singapore Airlines flights from United States to Thailand

Our best Singapore Airlines deals on United States to Thailand 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 22

SEA8:45 amSeattle/Tacoma Intl

20h 15m

1 stop

BKK8:00 pmBangkok Suvarnabhumi

Feb 9

BKK3:40 pmBangkok Suvarnabhumi

30h 30m

1 stop

SEA7:10 amSeattle/Tacoma Intl

$514

Find similar

Singapore Airlines

Jan 14

SFO9:40 amSan Francisco

31h 50m

1 stop

BKK8:30 amBangkok Suvarnabhumi

Jan 24

BKK9:10 pmBangkok Suvarnabhumi

25h 40m

1 stop

SFO7:50 amSan Francisco

$552

Find similar

China Eastern flights from United States to Thailand

Our best China Eastern deals on United States to Thailand flight tickets

China Eastern

Aug 14

SFO12:00 pmSan Francisco

34h 30m

1 stop

BKK12:30 pmBangkok Suvarnabhumi

Sep 3

BKK2:10 amBangkok Suvarnabhumi

20h 55m

1 stop

SFO9:05 amSan Francisco

$582

Find similar

China Eastern

Aug 7

SFO12:00 pmSan Francisco

22h 40m

1 stop

BKK12:40 amBangkok Suvarnabhumi

Aug 22

BKK1:35 pmBangkok Suvarnabhumi

33h 30m

1 stop

SFO9:05 amSan Francisco

$583

Find similar

China Eastern

Aug 14

SFO12:00 pmSan Francisco

41h 50m

2 stops

BKK7:50 pmBangkok Suvarnabhumi

Sep 3

BKK2:10 amBangkok Suvarnabhumi

20h 55m

1 stop

SFO9:05 amSan Francisco

$584

Find similar

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

Thu 1/22

8:45 am-8:00 pm

1 stop20h 15m

Bangkok Suvarnabhumi

Mon 2/9

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

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

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

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 10/6

4:00 pm-11:50 pm

1 stop19h 50m

Bangkok Suvarnabhumi

Mon 10/13

7:00 pm-2:25 pm

1 stop31h 25m

$674

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Mon 10/6

4:30 pm-6:00 am

1 stop23h 30m

Bangkok Suvarnabhumi

Thu 4/30

9:35 am-2:25 pm

1 stop18h 50m

$681

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 9/3

11:50 am-11:55 pm

1 stop24h 05m

Bangkok Suvarnabhumi

Wed 9/10

9:35 pm-8:40 am

1 stop23h 05m

$682

AtlantaBangkok

ATL - BKK

ATLBKK

Atlanta Hartsfield-Jackson

Mon 9/15

7:30 pm-1:25 pm

1 stop30h 55m

Bangkok Suvarnabhumi

Mon 10/6

9:05 pm-3:55 pm

1 stop29h 50m

$891

AtlantaBangkok

ATL - BKK

ATLBKK

Atlanta Hartsfield-Jackson

Mon 8/11

7:30 pm-1:25 pm

1 stop30h 55m

Bangkok Suvarnabhumi

Mon 9/15

2:30 am-3:55 pm

1 stop24h 25m

$900

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Prices

Airlines

Other information

What is the cheapest month to fly to Thailand?

The month of September is, on average, the cheapest month to fly to Thailand from United States, with most prices found around $909. If you are unable to visit Thailand during the month of September, then departing from United States during the month October is also very affordable. Most momondo users find prices during this month for around $931.

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

The cheapest day to depart on your flight to Thailand is on a Thursday when prices can be found for as low as $741. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Thailand is Sunday, with ticket prices averaging around $936.

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

Flying to Thailand from United States in the evening is the least expensive time of day to depart. momondo users have found prices as low as $741 when looking at flights departing in the evening. In contrast, the most expensive time of day to depart to Thailand is at noon when prices are around $922.

What is the cheapest United States to Thailand flight route?

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

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

You are more likely to see cheaper flights to Thailand from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Thailand 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 Thailand from United States for as low as $970 on momondo.

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

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

Can stopping save me money on United States to Thailand flights?

You could potentially save up to 19% on your flight if you consider stops on a United States to Thailand flight.

Cheap United States to Thailand flight deals and tips

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

Best Price Found	$283
Fastest flight time	18h 05m
Direct flights	Every day
Airports in Thailand	1 airport

The best one-way flight to Thailand from United States in the past 72 hours is $283. The best round-trip flight deal from United States to Thailand found on momondo in the last 72 hours is $512.

The fastest flight from United States to Thailand takes 18h 05m

Direct flights go from United States to Thailand every day.

There is 1 airport near Thailand: Bangkok Suvarnabhumi (BKK)

Search flight deals

When did momondo last update prices for flights from United States to Thailand?
Prices for flights from United States to Thailand are refreshed on a daily basis.
How many operators does momondo search for flights from United States to Thailand?
As of August 2025, there are 40 operators available to choose from for flights from United States to Thailand.
How old do you have to be to fly from United States to Thailand?
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 Thailand.
What documentation or ID do you need to fly to Thailand?
The required travel and health documents for your Thailand 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 Thailand. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from United States to Thailand?
Based on momondo bookings for flights between United States and Thailand, the leading plane model is Boeing 787-9 Dreamliner, making up 33.33% of the total bookings. Other popular models include Boeing 737 MAX 8 with 25.00%, Boeing 777-300ER with 16.67%, and Airbus A350-900 with 16.67%.

Best airlines flying from United States to Thailand

Compare and see reviews for airlines that fly from United States to Thailand with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $126	Free Cancellation	Rating 6.3 8,049 reviews	Search Spirit Airlines flights
SAUDIA	PriceFrom $479	Free Cancellation	Rating 7.4 627 reviews	Search SAUDIA flights
China Southern	PriceFrom $522	Free Cancellation	Rating 7.6 104 reviews	Search China Southern flights
Condor	PriceFrom $530	Free Cancellation	Rating 6.3 353 reviews	Search Condor flights
Air China	PriceFrom $533	Free Cancellation	Rating 7.3 93 reviews	Search Air China flights
IndiGo	PriceFrom $559	Free Cancellation	Rating 6.8 478 reviews	Search IndiGo flights
AIR PREMIA	PriceFrom $606	Free Cancellation	Rating 8.2 59 reviews	Search AIR PREMIA flights
Sichuan Airlines	PriceFrom $738	Free Cancellation	Rating 8.0 14 reviews	Search Sichuan Airlines flights
ZIPAIR	PriceFrom $740	Free Cancellation	Rating 7.5 48 reviews	Search ZIPAIR flights
Vietnam Airlines	PriceFrom $758	Free Cancellation	Rating 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 Thailand?

It is quick and easy to find United States to Thailand flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Thailand that suits you.

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

momondo does allow users to show only those flights to Thailand from United States which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between United States and Thailand by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Thailand from United States. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Thailand trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to Thailand

Popular cities in Thailand

Flights to Bangkokfrom $515

Flights to Phuket Cityfrom $556

Flights to Chiang Maifrom $662

Flights to Ko Samuifrom $685

Flights to Krabifrom $803

Flights to Surat Thanifrom $937

Flights to Chiang Raifrom $837

Flights to Udon Thanifrom $991

Flights to Khon Kaenfrom $1,808

Flights to Hat Yaifrom $1,262

Flights to Ubon Ratchathanifrom $1,011

Flights to Tratfrom $1,015

Cheap flights from the United States to Thailand 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 Thailand 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.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from the United States to Thailand

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

Recent one-way flight deals from the United States to Thailand

Recent last minute flight deals from the United States to Thailand

Recent direct flight deals from the United States to Thailand

Singapore Airlines flights from United States to Thailand

Our best Singapore Airlines deals on United States to Thailand flight tickets

China Eastern flights from United States to Thailand

Our best China Eastern deals on United States to Thailand flight tickets

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Use the filters below to find and compare flights from the United States to Thailand that are best for you.

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

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 Thailand?

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

The cheapest day to depart on your flight to Thailand is on a Thursday when prices can be found for as low as $741. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Thailand is Sunday, with ticket prices averaging around $936.

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

What is the cheapest United States to Thailand flight route?

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

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

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

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

Can stopping save me money on United States to Thailand flights?

You could potentially save up to 19% on your flight if you consider stops on a United States to Thailand flight.

What is the cheapest airline that flies from United States to Thailand?

Singapore Airlines, Air India, and China Eastern are the most popular carriers operating from United States to Thailand

What airlines fly to Thailand?

How long is the flight from United States to Thailand?

Cheap United States to Thailand flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Thailand

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

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

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

What documentation or ID do you need to fly to Thailand?

What is the most popular plane model from United States to Thailand?

Best airlines flying from United States to Thailand

Compare and see reviews for airlines that fly from United States to Thailand with momondo

Why use momondo?

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

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

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

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

An easier way to manage your Thailand trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Thailand

Popular cities in Thailand

Popular flights according to clicks in the last 7 days on momondo