Flights to Bangkok

$285 Cheap flights to Bangkok

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Bangkok departing on 8/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from the United States to Bangkok

Cheap round-trip flights

Singapore Airlines Logo
8:45 am - 5:00 pmSEA-BKK
41h 15m1 stop
Singapore Airlines Logo
12:00 pm - 7:10 amBKK-SEA
34h 10m1 stop
$510Singapore Airlines
Find Deal
Sun, Jan 18 - Thu, Feb 5
Singapore Airlines Logo
8:45 am - 5:00 pmSEA-BKK
41h 15m1 stop
Singapore Airlines Logo
6:05 pm - 7:10 amBKK-SEA
28h 05m1 stop
$512Singapore Airlines
Find Deal
Sun, Jan 18 - Fri, Jan 30
Cathay Pacific Logo
4:00 pm - 11:50 pmORD-BKK
19h 50m1 stop
Cathay Pacific Logo
7:00 pm - 2:25 pmBKK-ORD
31h 25m1 stop
$655Cathay Pacific
Find Deal
Mon, Oct 6 - Mon, Oct 20
Korean Air Logo
12:50 pm - 11:25 pmSEA-BKK
20h 35m1 stop
Korean Air Logo
11:30 pm - 10:40 amBKK-SEA
25h 10m1 stop
$657Korean Air
Find Deal
Wed, Sep 17 - Wed, Sep 24
United Airlines Logo
7:10 am - 4:35 amORD-BKK
33h 25m2 stops
United Airlines Logo
7:00 am - 2:55 pmBKK-ORD
19h 55m1 stop
$665United Airlines
Find Deal
Mon, Aug 25 - Tue, Sep 9
United Airlines Logo
5:45 pm - 4:35 amORD-BKK
22h 50m1 stop
United Airlines Logo
7:00 am - 2:55 pmBKK-ORD
19h 55m1 stop
$666United Airlines
Find Deal
Mon, Aug 25 - Tue, Sep 9
Cathay Pacific Logo
4:00 pm - 11:50 pmORD-BKK
19h 50m1 stop
Cathay Pacific Logo
7:00 pm - 2:25 pmBKK-ORD
31h 25m1 stop
$669Cathay Pacific
Find Deal
Mon, Sep 15 - Tue, Sep 23
ANA Logo
4:30 pm - 4:35 amSEA-BKK
22h 05m1 stop
ANA Logo
9:35 am - 6:36 pmBKK-SEA
23h 01m2 stops
$673ANA
Find Deal
Mon, Sep 1 - Wed, Sep 17
Korean Air Logo
12:50 pm - 9:45 pmSEA-BKK
18h 55m1 stop
Korean Air Logo
2:35 am - 10:40 amBKK-SEA
22h 05m1 stop
$678Korean Air
Find Deal
Wed, Sep 17 - Tue, Sep 23
ANA Logo
5:45 pm - 4:35 amORD-BKK
22h 50m1 stop
ANA Logo
7:00 am - 2:55 pmBKK-ORD
19h 55m1 stop
$681ANA
Find Deal
Thu, Sep 4 - Thu, Sep 18

momondo Fare Finder

 
Locate flights to Bangkok that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 832,500 searches and data was last updated on August 4, 2025.
Use the filters below to find and compare flights to Bangkok that are best for you.

Fly from

Route

Depart

Return

Price

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Sun 1/18

8:45 am-5:00 pm

1 stop41h 15m

Bangkok Suvarnabhumi

Thu 2/5

12:00 pm-7:10 am

1 stop34h 10m

$510

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Sun 1/18

8:45 am-5:00 pm

1 stop41h 15m

Bangkok Suvarnabhumi

Fri 1/30

6:05 pm-7:10 am

1 stop28h 05m

$512

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 10/6

4:00 pm-11:50 pm

1 stop19h 50m

Bangkok Suvarnabhumi

Mon 10/20

7:00 pm-2:25 pm

1 stop31h 25m

$655

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Wed 9/17

12:50 pm-11:25 pm

1 stop20h 35m

Bangkok Suvarnabhumi

Wed 9/24

11:30 pm-10:40 am

1 stop25h 10m

$657

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 8/25

7:10 am-4:35 am

2 stops33h 25m

Bangkok Suvarnabhumi

Tue 9/9

7:00 am-2:55 pm

1 stop19h 55m

$665

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 8/25

5:45 pm-4:35 am

1 stop22h 50m

Bangkok Suvarnabhumi

Tue 9/9

7:00 am-2:55 pm

1 stop19h 55m

$666

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 9/15

4:00 pm-11:50 pm

1 stop19h 50m

Bangkok Suvarnabhumi

Tue 9/23

7:00 pm-2:25 pm

1 stop31h 25m

$669

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Mon 9/1

4:30 pm-4:35 am

1 stop22h 05m

Bangkok Suvarnabhumi

Wed 9/17

9:35 am-6:36 pm

2 stops23h 01m

$673

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Wed 9/17

12:50 pm-9:45 pm

1 stop18h 55m

Bangkok Suvarnabhumi

Tue 9/23

2:35 am-10:40 am

1 stop22h 05m

$678

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Thu 9/4

5:45 pm-4:35 am

1 stop22h 50m

Bangkok Suvarnabhumi

Thu 9/18

7:00 am-2:55 pm

1 stop19h 55m

$681

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Bangkok from

Bangkok flights insights and trends

Explore insights for your Bangkok flight to craft the best travel plan

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 $919.

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 $1,071. 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 $1,238. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 $1,065 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 $968 on momondo.

Cheapest flights to Bangkok

Find the cheapest flights to Bangkok from your nearest city or airport
CHEAPEST MONTH TO FLY TO BANGKOK FROM LOS ANGELESMarch15% cheaperFlying from Los Angeles to Bangkok costs on average just $761 in March
MOST EXPENSIVE MONTH TO FLY TO BANGKOK FROM LOS ANGELESDecember46% more expensiveIt costs about $1,300 for flights to Bangkok from Los Angeles in December
MOST POPULAR MONTH TO FLY TO BANGKOK FROM LOS ANGELESNovember382% more users visitedMore momondo users searched in flights to Bangkok from Los Angeles in November than any other month

Cheap Bangkok flight deals and tips

Summary info about Bangkok flight prices, duration and airlines

Best One-Way Price

$285

Best Round-Trip Price

$510

Fastest flight time

18h 40m

Popular in

December
The best one-way flight price to Bangkok from United States in the last 72 hours is $285 (San Francisco to Bangkok Suvarnabhumi).
The best round-trip flight price to Bangkok from United States in the last 72 hours is $510 (Seattle/Tacoma Intl to Bangkok Suvarnabhumi).
The fastest flight to Bangkok from United States takes 18h 40m (Seattle/Tacoma Intl to Bangkok Suvarnabhumi).
December has the highest demand for flights to Bangkok, with a 9% price increase on average.

Frequently asked questions about flying to Bangkok

What is there to do in Bangkok when it’s raining?

If you are planning a flight to Bangkok and are looking to avoid the rain, you should avoid traveling during the months of May, June, and July. These months will typically see 5.1 inches or more of rain, meaning that rain is likely. If you do run into rain while in Bangkok, there are still things to do and ways to enjoy your trip. Those looking for a great museum with interesting exhibits should take time out of their trip to Bangkok to go see Siriraj Medical Museum. Siriraj Medical Museum is particularly popular with tourists when the weather in Bangkok is not ideal. Shopping centers like Terminal 21 are very popular destinations for those visiting the Bangkok area. Terminal 21 is a great place to go if you’re looking to spend some time inside.

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

We recommend purchasing flights from United States to Bangkok 18 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Bangkok for $1,055. Keep in mind that you might also find cheap flights to Bangkok outside of this time window. In fact, momondo users recently found flights from United States to Bangkok for $901.

Is there an alternative airport near Bangkok?

Finding an alternative and possibly cheaper destination airport near Bangkok is possible. If you are planning a flight to Bangkok, consider booking flights to Bangkok Don Mueang Intl Airport (12 mi from Bangkok city center), Rayong Utapao Rayong Pattaya Airport (81 mi from Bangkok city center) or Hua Hin Airport (87 mi from Bangkok city center).

Is there a cheaper alternative to flying into Bangkok?

You can find deals at Hua Hin Airport for $60 on average, but that price can change based on your departure airport. To save money, try momondo’s Airport-to-Airport Pricing Tool.

What is the absolute cheapest flight to Bangkok?

In the past two weeks, users have booked deals to Bangkok for $29/person, which is 71% cheaper than the average flight to Bangkok. To find the cheapest price to Bangkok from your area, use momondo’s Airport-to-Airport Pricing Tool.

Are there flights to Sukhumvit?

Yes, you can get a flight ticket to Bangkok Suvarnabhumi if you want to reach Sukhumvit. It is the nearest Bangkok airport (13.1 mi away).

What’s the closest airport to Sukhumvit Road?

The airport which is nearest to Sukhumvit Road is Bangkok Suvarnabhumi. It is 14.0 mi away and is in Bangkok.

When did momondo last update prices for flights to Bangkok?

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

How many operators does momondo search for flights to Bangkok?

How old do you have to be to fly to Bangkok?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel to Bangkok.

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

The travel and health documents required for your trip to Bangkok can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Bangkok. We always recommend checking with your airline or a trusted third party such as IATA to get advice.


Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for flights to Bangkok to just show those with flexible booking policies.

How can momondo help me find flights to Bangkok?

Once you have performed a search for flights to Bangkok, momondo helps you find the right flight by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight 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 and alert you when they change.


An easier way to manage your Bangkok 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.
1 adult
Sat 8/9
Sat 8/16

Find better results for your trip to Bangkok