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Find flight deals from USA to Southeast Asia

Popular in	December
Cheapest in	February
Average price	₹ 88,158

Highest demand for flights based on searches. 6% potential increase in price (₹ 647,122 potential increase over avg. return price).

Cheapest flight prices on average. 4% potential price decrease (₹ 363,199 potential savings vs. average return price).

Average for round-trip flights in November 2026

Cheapflights Insights

Everything you need to know about your flight from the United States to Southeast Asia

Prices

Airlines

How far ahead should I book a flight from USA to Southeast Asia?

Booking 51 days in advance of your planned departure date is, on average, the best time to get cheap flights from USA to Southeast Asia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from USA to Southeast Asia?

Currently, April is the cheapest month in which you can book a flight from USA to Southeast Asia (average of ₹ 88,915). Flying from USA to Southeast Asia in December is currently the most expensive (average of ₹ 140,845). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from US to YJX?

When flying from USA to Southeast Asia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 71% versus a flight in the morning.

Reviews of airlines servicing Southeast Asia

Get a feel of what it's like to fly with China Airlines,Asiana Airlines, andCathay Pacific from the United States to Southeast Asia by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

8.3

Very Good

Reviews

1 / 20

8.0

Excellent

Anonymous,Sept 2026

SYD - TPE

The leg space was not enough other then that the crew were lovely.

8.3

Very Good

8.3

Very Good

Reviews

1 / 20

8.0

Excellent

Anonymous,Sept 2026

SYD - TPE

The leg space was not enough other then that the crew were lovely.

Asiana Airlines

8.1

Very Good

8.3

Very Good

Reviews

1 / 20

8.0

Excellent

Anonymous,Sept 2026

SYD - TPE

The leg space was not enough other then that the crew were lovely.

7.6

Good

8.3

Very Good

Reviews

1 / 20

8.0

Excellent

Anonymous,Sept 2026

SYD - TPE

The leg space was not enough other then that the crew were lovely.

Philippine Airlines

7.3

Good

8.3

Very Good

Reviews

1 / 20

8.0

Excellent

Anonymous,Sept 2026

SYD - TPE

The leg space was not enough other then that the crew were lovely.

United Airlines

7.3

Good

8.3

Very Good

Reviews

1 / 20

8.0

Excellent

Anonymous,Sept 2026

SYD - TPE

The leg space was not enough other then that the crew were lovely.

Related info for your journey

What are the cheapest airlines to fly from USA to Southeast Asia one-way?
One-way options have recently been found by users for as low as ₹ 34,790 on United Airlines. Other airlines that offer cheap prices include Philippine Airlines from ₹ 37,287 and China Airlines from ₹ 62,527 one-way.
Can I find deals for flights from USA to Southeast Asia that include hotel bookings?
Yes. In addition to deals on USA to Southeast Asia flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from USA to Southeast Asia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from USA to Southeast Asia.
Can I find deals for business class flights from USA to Southeast Asia?
Yes. Cheapflights offers flight deals from USA to Southeast Asia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from USA to Southeast Asia?
Currently, April is the cheapest month in which you can book a flight from USA to Southeast Asia (average of ₹ 88,915). Flying from USA to Southeast Asia in December is currently the most expensive (average of ₹ 140,845). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 7 airlines flying from USA to Southeast Asia

Airline	Cheapest	Average	Flexibility	On-time
China Southern	Cheapest₹ 47,421	Average₹ 47,813	FlexibilityNo cancel fee	On-time69%	Search China Southern flights
Singapore Airlines	Cheapest₹ 51,431	Average₹ 59,206	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights
Cathay Pacific	Cheapest₹ 55,396	Average₹ 82,131	FlexibilityNo cancel fee	On-time72%	Search Cathay Pacific flights
China Airlines	Cheapest₹ 61,807	Average₹ 85,289	FlexibilityNo cancel fee	On-time70%	Search China Airlines flights
Philippine Airlines	Cheapest₹ 61,997	Average₹ 94,433	FlexibilityNo cancel fee	On-time60%	Search Philippine Airlines flights
Asiana Airlines	Cheapest₹ 64,655	Average₹ 82,705	FlexibilityNo cancel fee	On-time76%	Search Asiana Airlines flights
United Airlines	Cheapest₹ 71,163	Average₹ 94,745	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

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How does Cheapflights help users find flights from USA to Southeast Asia?

When you search for this flight from USA to Southeast Asia, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from USA to Southeast Asia?

Cheapflights simply makes it quick and affordable to book flights from USA to Southeast Asia by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from USA to Southeast Asia with no change fees?

Certainly. Search results for flights to Southeast Asia from USA shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from USA to Southeast Asia become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Southeast Asia from USA today and book when prices fit your budget.

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