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Southeast Asia

$379+ Cheap flights from Boston (BOS) to Southeast Asia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BKK
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Boston to Southeast Asia

Cheapest flights from Boston to Southeast Asia
Explore the most affordable flight options available from Boston to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This oojo deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:40 pmBOS - BKK
2 stops31h 40mHainan Airlines
Tue 1/131:05 amBKK - BOS
1 stop27h 15mHainan Airlines
Deal found 12/9$811
This oojo deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:40 pmBOS - HKT
2 stops37h 45mHainan Airlines
Tue 3/2410:05 pmHKT - BOS
1 stop30h 15mHainan Airlines
Deal found 12/11$841
This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/139:40 amBOS - MNL
2 stops32h 10mUnited Airlines
Sun 1/1111:25 pmMNL - BOS
2 stops27h 52mUnited Airlines
Deal found 12/10$924
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:45 amBOS - SGN
2 stops27h 05mUnited Airlines
Tue 1/276:00 amSGN - BOS
3 stops40h 52mUnited Airlines
Deal found 12/11$925
This Delta deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/125:29 amBOS - BKK
2 stops31h 26mDelta
Thu 12/252:05 amBKK - BOS
2 stops33h 06mDelta
Deal found 12/11$993
This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/119:40 amBOS - SGN
2 stops48h 10mUnited Airlines
Sat 12/2711:05 pmSGN - BOS
2 stops37h 40mUnited Airlines
Deal found 12/10$1,058
This oojo deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:40 pmBOS - BKK
1 stop19h 45mEtihad Airways
Fri 1/308:55 amBKK - BOS
1 stop41h 15mEtihad Airways
Deal found 12/10$1,065
This oojo deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:40 pmBOS - HKT
1 stop19h 55mEtihad Airways
Mon 3/233:10 amHKT - BOS
1 stop23h 00mEtihad Airways
Deal found 12/10$1,085
This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:00 amBOS - SGN
2 stops27h 50mUnited Airlines
Thu 12/186:00 amSGN - BOS
3 stops29h 35mUnited Airlines
Deal found 12/10$1,099
This Korean Air deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:15 pmBOS - HAN
2 stops27h 55mMultiple Airlines
Sun 2/111:05 pmHAN - BOS
1 stop21h 35mMultiple Airlines
Deal found 12/11$1,100
This United Airlines deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/106:00 amBOS - MNL
1 stop26h 00mUnited Airlines
Wed 12/1711:25 pmMNL - BOS
1 stop36h 23mUnited Airlines
Deal found 12/9$1,137
This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1111:55 amBOS - MNL
2 stops29h 55mUnited Airlines
Mon 12/229:55 amMNL - BOS
2 stops33h 03mUnited Airlines
Deal found 12/10$1,139

Find flight deals from Boston to Southeast Asia

Keep the following information in mind while searching for Boston to Southeast Asia flight deals. Data was last updated December 12, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$736
(Korean Air)

One-way from

$379
(oojo)

Popular in

June

Cheapest in

September

Average price

$1,376
Provider with most accurate pricing for Boston Logan Intl-Manila Ninoy Aquino Intl flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Manila Ninoy Aquino Intl flights.
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From Boston Logan Intl to Southeast Asia
Search Deals
One-way flight from Boston Logan Intl to Southeast Asia
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($258 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston 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, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from Boston to Southeast Asia that are best for you.

Fly from

Boston

Fly to

Southeast Asia

Route

Depart

Return

Price

BostonManila

BOS - MNL

BOSMNL

Boston Logan Intl

Wed 2/18

11:00 am-1:55 am

1 stop25h 55m

Manila Ninoy Aquino Intl

Wed 2/25

11:40 pm-8:40 am

1 stop22h 00m

$736

BostonManila

BOS - MNL

BOSMNL

Boston Logan Intl

Tue 3/3

11:00 am-10:25 pm

1 stop22h 25m

Manila Ninoy Aquino Intl

Wed 3/11

12:55 am-9:40 am

1 stop20h 45m

$736

BostonManila

BOS - MNL

BOSMNL

Boston Logan Intl

Tue 3/3

11:00 am-1:55 am

1 stop25h 55m

Manila Ninoy Aquino Intl

Tue 3/10

11:40 pm-9:40 am

1 stop22h 00m

$736

BostonManila

BOS - MNL

BOSMNL

Boston Logan Intl

Tue 2/10

6:00 am-1:55 am

2 stops30h 55m

Manila Ninoy Aquino Intl

Sun 3/1

11:40 pm-8:40 am

1 stop22h 00m

$741

BostonManila

BOS - MNL

BOSMNL

Boston Logan Intl

Mon 2/23

6:00 am-11:30 pm

2 stops28h 30m

Manila Ninoy Aquino Intl

Mon 3/9

11:40 pm-9:40 am

1 stop22h 00m

$741

BostonManila

BOS - MNL

BOSMNL

Boston Logan Intl

Wed 2/25

11:00 am-11:30 pm

1 stop23h 30m

Manila Ninoy Aquino Intl

Tue 3/17

12:55 am-10:54 pm

2 stops33h 59m

$747

BostonPhuket City

BOS - HKT

BOSHKT

Boston Logan Intl

Wed 1/21

12:30 am-5:35 pm

1 stop29h 05m

Phuket City

Thu 1/29

12:20 pm-10:00 pm

1 stop21h 40m

$753

BostonKuala Lumpur

BOS - KUL

BOSKUL

Boston Logan Intl

Wed 2/4

8:40 am-10:20 am

2 stops36h 40m

Kuala Lumpur Intl

Mon 3/9

8:30 pm-12:49 am

2 stops40h 19m

$769

BostonKuala Lumpur

BOS - KUL

BOSKUL

Boston Logan Intl

Thu 1/22

10:56 am-10:20 am

2 stops34h 24m

Kuala Lumpur Intl

Mon 1/26

2:15 pm-7:21 am

2 stops30h 06m

$770

BostonKuala Lumpur

BOS - KUL

BOSKUL

Boston Logan Intl

Tue 5/12

8:15 pm-6:00 am

2 stops45h 45m

Kuala Lumpur Intl

Tue 6/2

2:15 pm-11:17 pm

2 stops45h 02m

$770

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 60 results
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Best time to book a flight from Boston to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

Currently, October is the cheapest month in which you can book a flight from Boston to Southeast Asia (average of $660). Flying from Boston to Southeast Asia in June is currently the most expensive (average of $973). 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 BOS to YJX?

Find hourly flight availability from Boston to Southeast Asia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

It’s optimal to fly from Boston to Southeast Asia in the evening. By choosing this option you can save up to 12% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Boston to Southeast Asia?

Use this chart to determine the cheapest time to fly round-trip from Boston to Southeast Asia. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Boston to Southeast Asia flight should consider departing on Tuesday evenings when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Southeast Asia

Get insights into the airlines that provide service to Southeast Asia. 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 Southeast Asia. Reviews last updated December 12, 2025.
Read through reviews of airlines operating flights from Boston to Southeast Asia, such as Korean Air, Japan Airlines, and Cathay Pacific. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,184 reviews

Entertainment

8.2

Food

8.1

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,184 reviews
Korean Air
8.4
Very good
1,184 reviews

Entertainment

8.2

Food

8.1

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Japan Airlines
8.3
Very good
1,653 reviews
Korean Air
8.4
Very good
1,184 reviews

Entertainment

8.2

Food

8.1

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Cathay Pacific
7.6
Good
1,095 reviews
Korean Air
8.4
Very good
1,184 reviews

Entertainment

8.2

Food

8.1

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Qatar Airways
7.4
Good
3,677 reviews
Korean Air
8.4
Very good
1,184 reviews

Entertainment

8.2

Food

8.1

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
United Airlines
7.4
Good
9,095 reviews
Korean Air
8.4
Very good
1,184 reviews

Entertainment

8.2

Food

8.1

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

Find useful and relevant information for your journey from Boston to Southeast Asia. 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 from for flights from Boston to Southeast Asia?

    Boston Logan Intl (BOS), located 2.6 mi from the city center, is the airport you fly out of when you book flights from Boston to Southeast Asia.

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

    Airlines like Korean Air, Cathay Pacific, and ANA fly from Boston to Southeast Asia in about 25h 55m. The time it takes to get you to your destination can typically vary by up to 5h 21m. Boston and Southeast Asia are separated by a distance of 8428 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 Boston to Southeast Asia one-way?

    One-way options have recently been found by users for as low as $309 on Korean Air. Other airlines that offer cheap prices include United Airlines from $320 and Hainan Airlines from $375 one-way.

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

    Most travelers choose Boston Logan Intl - Bangkok Suvarnabhumi, Boston Logan Intl - Ho Chi Minh City or Boston Logan Intl - Manila Ninoy Aquino Intl when deciding on the best route from Boston to Southeast Asia.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Boston to Southeast Asia (average of $660). Flying from Boston to Southeast Asia in June is currently the most expensive (average of $973). 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

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Alternative routes for Boston to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Boston to Southeast Asia

Discover the top 10 airlines that operate flights from Boston to Southeast Asia. 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$648Average$1,241FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$717Average$1,075FlexibilityNo cancel feeOn-time69%
ANACheapest$735Average$978FlexibilityNo cancel feeOn-time80%
Singapore AirlinesCheapest$748Average$1,094FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$757Average$961FlexibilityNo cancel feeOn-time77%
Etihad AirwaysCheapest$759Average$1,111FlexibilityNo cancel feeOn-time75%
Korean AirCheapest$764Average$1,095FlexibilityNo cancel feeOn-time81%
EmiratesCheapest$778Average$1,359FlexibilityNo cancel feeOn-time75%
SAUDIACheapest$794Average$1,024FlexibilityNo cancel feeOn-time86%
Qatar AirwaysCheapest$813Average$1,223FlexibilityNo cancel feeOn-time68%

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