Cheap flights from the United States to Southeast Asia from ₹ 16,876

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 Southeast Asia departing on 17/3. 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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Recent return flight deals from the United States to Southeast Asia

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AIR PREMIA Logo
14:30 - 21:25SFO-BKK
39h 55m1 stop
AIR PREMIA Logo
22:55 - 12:30BKK-SFO
28h 35m1 stop
₹ 60,210AIR PREMIA
Find Deal
Fri, 14 Nov - Tue, 18 Nov
Asiana Airlines Logo
23:50 - 22:00SFO-BKK
31h 10m1 stop
Asiana Airlines Logo
12:20 - 14:00BKK-SFO
16h 40m1 stop
₹ 61,441Asiana Airlines
Find Deal
Wed, 26 Nov - Wed, 14 Jan
Korean Air Logo
11:40 - 00:55SFO-BKK
22h 15m1 stop
Korean Air Logo
00:55 - 09:30BKK-SFO
23h 35m1 stop
₹ 61,529Korean Air
Find Deal
Thu, 8 Jan - Wed, 25 Feb
Philippine Airlines Logo
23:30 - 23:00SFO-BKK
33h 30m1 stop
Philippine Airlines Logo
22:50 - 20:15BKK-SFO
35h 25m1 stop
₹ 61,617Philippine Airlines
Find Deal
Sun, 15 Mar - Tue, 21 Apr
United Airlines Logo
16:15 - 11:25SFO-BKK
28h 10m2 stops
United Airlines Logo
09:35 - 19:33BKK-SFO
23h 58m2 stops
₹ 62,935United Airlines
Find Deal
Tue, 17 Feb - Thu, 7 May
United Airlines Logo
23:15 - 11:25SFO-BKK
21h 10m1 stop
United Airlines Logo
09:35 - 19:33BKK-SFO
23h 58m2 stops
₹ 63,287United Airlines
Find Deal
Wed, 18 Feb - Thu, 7 May
Philippine Airlines Logo
23:30 - 12:00SFO-BKK
22h 30m1 stop
Philippine Airlines Logo
13:30 - 20:15BKK-SFO
20h 45m1 stop
₹ 65,133Philippine Airlines
Find Deal
Fri, 13 Mar - Wed, 22 Apr
China Airlines Logo
23:40 - 13:25SFO-KUL
21h 45m1 stop
China Airlines Logo
14:35 - 19:45KUL-SFO
20h 10m1 stop
₹ 79,548China Airlines
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Thu, 19 Feb - Mon, 16 Mar
Cathay Pacific Logo
10:00 - 19:15JFK-SIN
21h 15m1 stop
Cathay Pacific Logo
18:00 - 13:10SIN-JFK
31h 10m1 stop
₹ 80,163Cathay Pacific
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Fri, 20 Mar - Thu, 2 Apr
Cathay Pacific Logo
09:00 - 19:15JFK-SIN
21h 15m1 stop
Cathay Pacific Logo
01:25 - 19:05SIN-JFK
30h 40m1 stop
₹ 82,361Cathay Pacific
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Fri, 13 Feb - Sun, 15 Feb

Asiana Airlines flights from United States to Southeast Asia

Our best Asiana Airlines deals on United States to Southeast Asia flight tickets
Asiana Airlines
26 Nov
SFO23:50San Francisco
31h 10m
1 stop
BKK22:00Bangkok Suvarnabhumi
14 Jan
BKK12:20Bangkok Suvarnabhumi
16h 40m
1 stop
SFO14:00San Francisco
₹ 61,441
Find similar
Asiana Airlines
3 Nov
SFO23:50San Francisco
31h 10m
1 stop
BKK22:00Bangkok Suvarnabhumi
10 Nov
BKK12:20Bangkok Suvarnabhumi
16h 40m
1 stop
SFO14:00San Francisco
₹ 63,814
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Philippine Airlines flights from United States to Southeast Asia

Our best Philippine Airlines deals on United States to Southeast Asia flight tickets
Philippine Airlines
15 Mar
SFO23:30San Francisco
33h 30m
1 stop
BKK23:00Bangkok Suvarnabhumi
21 Apr
BKK22:50Bangkok Suvarnabhumi
35h 25m
1 stop
SFO20:15San Francisco
₹ 61,617
Find similar
Philippine Airlines
13 Mar
SFO23:30San Francisco
22h 30m
1 stop
BKK12:00Bangkok Suvarnabhumi
22 Apr
BKK13:30Bangkok Suvarnabhumi
20h 45m
1 stop
SFO20:15San Francisco
₹ 65,133
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momondo Fare Finder

 
Customise your flight search to find flights from United States to Southeast Asia 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 59,053 searches. Data last updated 21 October 2025.
Use the filters below to find and compare flights from the United States to Southeast Asia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Fri 14/11

14:30-21:25

1 stop39h 55m

Bangkok Suvarnabhumi

Tue 18/11

22:55-12:30

1 stop28h 35m

₹ 60,210

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Wed 26/11

23:50-22:00

1 stop31h 10m

Bangkok Suvarnabhumi

Wed 14/1

12:20-14:00

1 stop16h 40m

₹ 61,441

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Thu 8/1

11:40-00:55

1 stop22h 15m

Bangkok Suvarnabhumi

Wed 25/2

00:55-09:30

1 stop23h 35m

₹ 61,529

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Sun 15/3

23:30-23:00

1 stop33h 30m

Bangkok Suvarnabhumi

Tue 21/4

22:50-20:15

1 stop35h 25m

₹ 61,617

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Tue 17/2

16:15-11:25

2 stops28h 10m

Bangkok Suvarnabhumi

Thu 7/5

09:35-19:33

2 stops23h 58m

₹ 62,935

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Wed 18/2

23:15-11:25

1 stop21h 10m

Bangkok Suvarnabhumi

Thu 7/5

09:35-19:33

2 stops23h 58m

₹ 63,287

San FranciscoBangkok

SFO - BKK

SFOBKK

San Francisco

Fri 13/3

23:30-12:00

1 stop22h 30m

Bangkok Suvarnabhumi

Wed 22/4

13:30-20:15

1 stop20h 45m

₹ 65,133

San FranciscoKuala Lumpur

SFO - KUL

SFOKUL

San Francisco

Thu 19/2

23:40-13:25

1 stop21h 45m

Kuala Lumpur Intl

Mon 16/3

14:35-19:45

1 stop20h 10m

₹ 79,548

New YorkSingapore

JFK - SIN

JFKSIN

New York John F Kennedy Intl

Fri 20/3

10:00-19:15

1 stop21h 15m

Singapore Changi

Thu 2/4

18:00-13:10

1 stop31h 10m

₹ 80,163

New YorkSingapore

JFK - SIN

JFKSIN

New York John F Kennedy Intl

Fri 13/2

09:00-19:15

1 stop21h 15m

Singapore Changi

Sun 15/2

01:25-19:05

1 stop30h 40m

₹ 82,361

Flights are sorted by cheapest return flights first.

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

How to get the cheapest flight ticket from United States to Southeast Asia

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 Southeast Asia?

In general, September is the cheapest month to fly from United States to Southeast Asia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around ₹ 71,374. If you aren’t able to travel during the month of September, then book flights to Southeast Asia from United States during October instead. Flights to Southeast Asia in October, while not as cheap as those in September, still average around ₹ 75,681.

What is the cheapest day to depart on your flight to Southeast Asia?

The cheapest day to depart from United States to Southeast Asia is on a Friday. Travellers who choose to depart for Southeast Asia on a Friday will often find tickets for as low as ₹ 51,980. The most expensive day to fly to Southeast Asia is Sunday, with ticket prices averaging around ₹ 116,510.

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

According to our data, the cheapest time of day to fly to Southeast Asia is in the evening. momondo users have found flights departing from United States to Southeast Asia in the evening for as low as ₹ 93,354. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are ₹ 120,410 on average. Flights to Southeast Asia from United States in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest United States to Southeast Asia flight route?

Fly from Los Angeles to Manila Ninoy Aquino Intl for the best United States - Southeast Asia flight prices

How far in advance should I book a flight to Southeast Asia?

You are more likely to see cheaper flights to Southeast Asia from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Southeast Asia for around ₹ 88,279 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Southeast Asia from United States for as low as ₹ 81,482 on momondo.

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

There are 3 cabin classes available to choose from on United States to Southeast Asia 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 Southeast Asia flights?

No. A direct flight is the cheapest option for a flight between United States to Southeast Asia.

Cheap United States to Southeast Asia flight deals and tips

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

Fastest flight time

18h 55m

Direct flights

Tue, Wed, Thu, Fri, Sat and Sun

Airports in Southeast Asia

1 airport
The fastest flight from United States to Southeast Asia takes 18h 55m
Direct flights go from United States to Southeast Asia on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights..
There is 1 airport near Southeast Asia: Singapore Changi (SIN)
  • When did momondo last update prices for flights from United States to Southeast Asia?

    Prices for flights from United States to Southeast Asia were last updated today.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from United States to Southeast Asia.

  • What documentation or ID do you need to fly to Southeast Asia?

    The required travel and health documents for your Southeast Asia 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 Southeast Asia. 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 Southeast Asia?

Best airlines flying from United States to Southeast Asia

Compare and see reviews for airlines that fly from United States to Southeast Asia with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom ₹ 60,273Free CancellationRating
7.4
8,991 reviews
Search United Airlines flights
China AirlinesPriceFrom ₹ 61,500Free CancellationRating
8.3
770 reviews
Search China Airlines flights
Philippine AirlinesPriceFrom ₹ 65,019Free CancellationRating
7.3
920 reviews
Search Philippine Airlines flights
Cathay PacificPriceFrom ₹ 65,463Free CancellationRating
7.6
1,034 reviews
Search Cathay Pacific flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from United States to Southeast Asia for you.

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

momondo does allow users to show only those flights to Southeast Asia 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 Southeast Asia?

Once you have performed a search for United States to Southeast Asia flights, momondo helps you find the right one 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 from United States to Southeast Asia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from United States to Southeast Asia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Southeast Asia and let you know when they change.

An easier way to manage your Southeast Asia trip

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Thu 20/11
Thu 27/11

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