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 19h 40m 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 20m.

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

AIR PREMIA, Singapore Airlines, and Philippine Airlines 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 September 2025, there are 38 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.

$292 Cheap Flights from the United States to Thailand in 2025/26

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Find the cheapest flights from the United States to Thailand

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

12:25 pm - 8:30 amLAX-BKK

29h 05m2 stops

9:35 am - 8:55 pmBKK-LAX

25h 20m1 stop

$633Singapore Airlines

Find Deal

Fri, Mar 6 - Fri, Mar 20

11:55 pm - 5:40 pmLAX-BKK

27h 45m1 stop

11:20 pm - 9:45 amBKK-LAX

24h 25m1 stop

$634Philippine Airlines

Find Deal

Wed, Oct 1 - Wed, Oct 8

10:50 am - 12:45 amLAX-BKK

22h 55m1 stop

12:55 am - 1:40 pmBKK-LAX

27h 45m1 stop

$643Korean Air

Find Deal

Thu, Nov 13 - Mon, Nov 24

5:05 am - 11:55 pmLAX-BKK

28h 50m2 stops

9:35 am - 8:11 pmBKK-LAX

24h 36m2 stops

$646United Airlines

Find Deal

Thu, Sep 25 - Wed, Oct 8

11:40 am - 12:45 amSFO-BKK

22h 05m1 stop

12:55 am - 9:30 amBKK-SFO

23h 35m1 stop

$653Korean Air

Find Deal

Mon, Nov 17 - Mon, Nov 24

11:30 am - 4:35 amLAX-BKK

27h 05m1 stop

9:35 am - 8:11 pmBKK-LAX

24h 36m2 stops

$667United Airlines

Find Deal

Thu, Sep 25 - Wed, Oct 8

2:40 pm - 10:40 amORD-BKK

31h 00m1 stop

4:55 pm - 1:00 pmBKK-ORD

33h 05m1 stop

$678Cathay Pacific

Find Deal

Wed, Nov 5 - Tue, Nov 25

2:40 pm - 3:55 pmORD-BKK

36h 15m1 stop

5:40 pm - 1:00 pmBKK-ORD

32h 20m1 stop

$680Cathay Pacific

Find Deal

Tue, Nov 11 - Mon, Nov 24

7:00 am - 6:30 amDFW-BKK

34h 30m2 stops

2:25 pm - 11:25 amBKK-DFW

34h 00m2 stops

$711ANA

Find Deal

Wed, Jan 21 - Wed, Jan 28

5:45 pm - 4:35 amORD-BKK

22h 50m1 stop

9:35 pm - 8:40 amBKK-ORD

23h 05m1 stop

$717ANA

Find Deal

Fri, Sep 19 - Sun, Sep 21

AIR PREMIA flights from United States to Thailand

Our best AIR PREMIA deals on United States to Thailand flight tickets

AIR PREMIA

Oct 31

SFO3:30 pmSan Francisco

39h 55m

1 stop

BKK9:25 pmBangkok Suvarnabhumi

Nov 8

BKK10:55 pmBangkok Suvarnabhumi

28h 05m

1 stop

SFO12:00 pmSan Francisco

$647

Find similar

AIR PREMIA

Oct 13

SFO3:30 pmSan Francisco

39h 40m

1 stop

BKK9:10 pmBangkok Suvarnabhumi

Oct 26

BKK10:55 pmBangkok Suvarnabhumi

28h 05m

1 stop

SFO1:00 pmSan Francisco

$648

Find similar

AIR PREMIA

Nov 1

LAX10:50 amLos Angeles

20h 35m

1 stop

BKK9:25 pmBangkok Suvarnabhumi

Nov 20

BKK10:55 pmBangkok Suvarnabhumi

23h 25m

1 stop

LAX7:20 amLos Angeles

$655

Find similar

Cathay Pacific flights from United States to Thailand

Our best Cathay Pacific deals on United States to Thailand flight tickets

Cathay Pacific

Nov 5

ORD2:40 pmChicago O'Hare Intl

31h 00m

1 stop

BKK10:40 amBangkok Suvarnabhumi

Nov 25

BKK4:55 pmBangkok Suvarnabhumi

33h 05m

1 stop

ORD1:00 pmChicago O'Hare Intl

$678

Find similar

Cathay Pacific

Nov 11

ORD2:40 pmChicago O'Hare Intl

36h 15m

1 stop

BKK3:55 pmBangkok Suvarnabhumi

Nov 24

BKK5:40 pmBangkok Suvarnabhumi

32h 20m

1 stop

ORD1:00 pmChicago O'Hare Intl

$680

Find similar

Cathay Pacific

Oct 21

ORD4:00 pmChicago O'Hare Intl

19h 50m

1 stop

BKK11:50 pmBangkok Suvarnabhumi

Oct 26

BKK4:55 pmBangkok Suvarnabhumi

33h 05m

1 stop

ORD2:00 pmChicago O'Hare Intl

$682

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesBangkok

LAX - BKK

LAXBKK

Los Angeles

Fri 3/6

12:25 pm-8:30 am

2 stops29h 05m

Bangkok Suvarnabhumi

Fri 3/20

9:35 am-8:55 pm

1 stop25h 20m

$633

Los AngelesBangkok

LAX - BKK

LAXBKK

Los Angeles

Wed 10/1

11:55 pm-5:40 pm

1 stop27h 45m

Bangkok Suvarnabhumi

Wed 10/8

11:20 pm-9:45 am

1 stop24h 25m

$634

Los AngelesBangkok

LAX - BKK

LAXBKK

Los Angeles

Thu 11/13

10:50 am-12:45 am

1 stop22h 55m

Bangkok Suvarnabhumi

Mon 11/24

12:55 am-1:40 pm

1 stop27h 45m

$643

Los AngelesBangkok

LAX - BKK

LAXBKK

Los Angeles

Thu 9/25

5:05 am-11:55 pm

2 stops28h 50m

Bangkok Suvarnabhumi

Wed 10/8

9:35 am-8:11 pm

2 stops24h 36m

$646

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Mon 11/17

11:40 am-12:45 am

1 stop22h 05m

Bangkok Suvarnabhumi

Mon 11/24

12:55 am-9:30 am

1 stop23h 35m

$653

Los AngelesBangkok

LAX - BKK

LAXBKK

Los Angeles

Thu 9/25

11:30 am-4:35 am

1 stop27h 05m

Bangkok Suvarnabhumi

Wed 10/8

9:35 am-8:11 pm

2 stops24h 36m

$667

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 11/5

2:40 pm-10:40 am

1 stop31h 00m

Bangkok Suvarnabhumi

Tue 11/25

4:55 pm-1:00 pm

1 stop33h 05m

$678

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 11/11

2:40 pm-3:55 pm

1 stop36h 15m

Bangkok Suvarnabhumi

Mon 11/24

5:40 pm-1:00 pm

1 stop32h 20m

$680

DallasBangkok

DFW - BKK

DFWBKK

Dallas/Fort Worth

Wed 1/21

7:00 am-6:30 am

2 stops34h 30m

Bangkok Suvarnabhumi

Wed 1/28

2:25 pm-11:25 am

2 stops34h 00m

$711

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Fri 9/19

5:45 pm-4:35 am

1 stop22h 50m

Bangkok Suvarnabhumi

Sun 9/21

9:35 pm-8:40 am

1 stop23h 05m

$717

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 $837. 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 $894.

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 $1,022 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 $942 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 33% 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

Fastest flight time	21h 30m
Direct flights	Mon, Thu, Fri, Sat and Sun
Airports in Thailand	1 airport

The fastest flight from United States to Thailand takes 21h 30m

Direct flights go from United States to Thailand on Monday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.

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 September 2025, there are 38 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 30.77% of the total bookings. Other popular models include Boeing 737 MAX 8 with 23.08%, Airbus A350-900 with 23.08%, and Boeing 777-300ER with 15.38%.

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 8,015 reviews	Search Spirit Airlines flights
Condor	PriceFrom $530	Free Cancellation	Rating 6.3 364 reviews	Search Condor flights
Air China	PriceFrom $533	Free Cancellation	Rating 7.2 99 reviews	Search Air China flights
AIR PREMIA	PriceFrom $606	Free Cancellation	Rating 8.2 62 reviews	Search AIR PREMIA flights
IndiGo	PriceFrom $645	Free Cancellation	Rating 6.9 484 reviews	Search IndiGo flights
Kuwait Airways	PriceFrom $679	Free Cancellation	Rating 7.2 306 reviews	Search Kuwait Airways flights
ZIPAIR	PriceFrom $688	Free Cancellation	Rating 7.6 49 reviews	Search ZIPAIR flights
Vietnam Airlines	PriceFrom $758	Free Cancellation	Rating 7.6 201 reviews	Search Vietnam Airlines flights
American Airlines	PriceFrom $779	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Sichuan Airlines	PriceFrom $796	Free Cancellation	Rating 7.8 19 reviews	Search Sichuan 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.