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Cheap flights from Southeast Asia to Boston (BOS)

BKK — BOS
Sep 7 — Sep 141
Mon 9/7
Mon 9/14
1 adult, Economy
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Find flight deals from Southeast Asia to Boston

Keep the following information in mind while searching for Southeast Asia to Boston flight deals. Data was last updated August 8, 2026.

Round-trip from

$746
(CheapOair)

One-way from

$498
(KAYAK)
From Southeast Asia to Boston Logan Intl
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One-way flight from Southeast Asia to Boston Logan Intl
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Cheapflights Insights

Everything you need to know about your flight from Southeast Asia to Boston

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

Booking 31 days in advance of your planned departure date is, on average, the best time to get cheap flights from Southeast Asia to Boston. 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 Southeast Asia to Boston?

Currently, October is the cheapest month in which you can book a flight from Southeast Asia to Boston (average of $946). Flying from Southeast Asia to Boston in July is currently the most expensive (average of $1,590). 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.

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated August 8, 2026.
Peruse reviews from past customers who have flown with Korean Air,Japan Airlines, andDelta from Southeast Asia to Boston to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,222 reviews

Overall

8.4

Entertainment

8.2

Comfort

8.3

Food

8.1

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,222 reviews
Korean Air
8.4
Very good
1,222 reviews

Overall

8.4

Entertainment

8.2

Comfort

8.3

Food

8.1

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Japan Airlines
8.3
Very good
1,892 reviews
Korean Air
8.4
Very good
1,222 reviews

Overall

8.4

Entertainment

8.2

Comfort

8.3

Food

8.1

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Delta
7.8
Good
8,502 reviews
Korean Air
8.4
Very good
1,222 reviews

Overall

8.4

Entertainment

8.2

Comfort

8.3

Food

8.1

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Cathay Pacific
7.6
Good
1,439 reviews
Korean Air
8.4
Very good
1,222 reviews

Overall

8.4

Entertainment

8.2

Comfort

8.3

Food

8.1

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
United Airlines
7.4
Good
10,084 reviews
Korean Air
8.4
Very good
1,222 reviews

Overall

8.4

Entertainment

8.2

Comfort

8.3

Food

8.1

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Related info for your journey

Find useful and relevant information for your journey from Southeast Asia to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Boston from Southeast Asia?

    Boston Logan Intl (BOS) is the airport you will fly into if you book a flight from Southeast Asia to Boston. It is only a 2.6 mi journey from Logan Intl (BOS) to Boston’s city center.

  • How long is the flight from Southeast Asia to Boston?

    A quick flight from Southeast Asia to Boston can take about 21h 25m. Air Canada provides one of the quickest options available for as low as $1,054. Southeast Asia and Boston are separated by a distance of 8753 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Southeast Asia to Boston one-way?

    One-way options have recently been found by users for as low as $350 on Delta. Other airlines that offer cheap prices include SAUDIA from $466 and Air Canada from $478 one-way.

  • What are the most popular routes from Southeast Asia to Boston?

    The most popular route from Southeast Asia to Boston is Bangkok Suvarnabhumi - Boston Logan Intl. You may also consider Bangkok Don Mueang Intl - Boston Logan Intl or Ho Chi Minh City - Boston Logan Intl.

  • Can I find deals for flights from Southeast Asia to Boston that include hotel bookings?

    Yes. In addition to deals on Southeast Asia to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Southeast Asia to Boston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southeast Asia to Boston.

  • Can I find deals for business class flights from Southeast Asia to Boston?

    Yes. Cheapflights offers flight deals from Southeast Asia to Boston 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 Southeast Asia to Boston?

    Currently, October is the cheapest month in which you can book a flight from Southeast Asia to Boston (average of $946). Flying from Southeast Asia to Boston in July is currently the most expensive (average of $1,590). 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.

See more FAQs

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Waltham
Randolph
Cambridge
Concord
Brockton
Seekonk
Cranston
Dedham
Warwick
Peabody
Hampton Beach
Auburn
York Beach
Chelsea
Londonderry
Swansea
Fitchburg
North Falmouth
Braintree
Revere

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Top 8 airlines flying from Southeast Asia to Boston

Discover the top 8 airlines that operate flights from Southeast Asia to Boston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$487Average$1,248FlexibilityNo cancel feeOn-time72%
SAUDIACheapest$651Average$749FlexibilityNo cancel feeOn-time86%
DeltaCheapest$680Average$1,221FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$754Average$1,213FlexibilityNo cancel feeOn-time81%
Japan AirlinesCheapest$798Average$1,380FlexibilityNo cancel feeOn-time79%
Qatar AirwaysCheapest$1,012Average$1,273FlexibilityNo cancel feeOn-time68%
United AirlinesCheapest$1,052Average$1,592FlexibilityNo cancel feeOn-time69%
Etihad AirwaysCheapest$1,114Average$1,278FlexibilityNo cancel feeOn-time75%

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