Cheap flights from the United States to Bangkok from $321
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 4/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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
Recent round-trip flight deals from the United States to Bangkok
Recent one-way flight deals from the United States to Bangkok
Recent last minute flight deals from the United States to Bangkok
ANA flights from United States to Bangkok
Our best ANA deals on United States to Bangkok flight tickets
Air India flights from United States to Bangkok
Our best Air India deals on United States to Bangkok flight tickets
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 March, then book flights to Bangkok from United States during September instead. Flights to Bangkok in September, while not as cheap as those in March, still average around $974.
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.
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 8 weeks ahead of your departure date. In general, you can expect to find flights to Bangkok for around $1,154 when searching 8 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 $999 on momondo.
What is the cheapest airline that flies from United States to Bangkok?
China Southern, Singapore Airlines, and Cathay Pacific are the most popular carriers operating from United States to Bangkok
What airlines fly to Bangkok?
Cathay Pacific, China Airlines and EVA Air are the top three most popular airlines that fly to Bangkok from United States according to our data. Cathay Pacific is the first choice among our users, with 30% of people opting to fly with this airline when traveling to Bangkok. Keep in mind that there are 42 different airlines that fly to Bangkok on a routine basis, so you have a few additional options to choose from.
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
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?
As of April 2025, there are 38 operators available to choose from 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 | ||
|---|---|---|---|---|---|
| PriceFrom $38 | Free Cancellation | Rating 6.0 3,281 reviews | |||
| PriceFrom $94 | Free Cancellation | Rating 6.3 7,926 reviews | |||
| PriceFrom $479 | Free Cancellation | Rating 7.4 609 reviews | |||
| PriceFrom $522 | Free Cancellation | Rating 7.5 94 reviews | |||
| PriceFrom $533 | Free Cancellation | Rating 7.2 86 reviews | |||
| PriceFrom $606 | Free Cancellation | Rating 8.2 56 reviews | |||
| PriceFrom $642 | Free Cancellation | Rating 5.5 2,897 reviews | |||
| PriceFrom $645 | Free Cancellation | Rating 6.8 473 reviews | |||
| PriceFrom $757 | Free Cancellation | Rating 7.6 194 reviews | |||
| PriceFrom $796 | Free Cancellation | Rating 8.1 15 reviews |
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.