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$374+ Cheap flights from Maine to Vietnam

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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SGN
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
1 adult, Economy
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Cheap flight deals from Maine to Vietnam

Cheapest flights from Maine to Vietnam
Explore the most affordable flight options available from Maine to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2026.

This Korean Air deal was found by Cheapflights users on 1/19. 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.
Sun 11/2211:00 am
BOS
-
SGN
1 stop24h 20m
Korean Air
Wed 12/98:00 am
SGN
-
BOS
1 stop36h 40m
Korean Air
Deal found 1/19$779
This United Airlines deal was found by Cheapflights users on 1/18. 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.
Sun 1/184:49 pm
BOS
-
SGN
3 stops66h 06m
United Airlines
Mon 1/267:30 am
SGN
-
BOS
2 stops27h 50m
United Airlines
Deal found 1/18$780
This United Airlines deal was found by Cheapflights users on 1/19. 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 10/15:30 am
BOS
-
SGN
2 stops29h 35m
United Airlines
Mon 10/57:00 am
SGN
-
BOS
3 stops37h 24m
United Airlines
Deal found 1/19$783
This Korean Air deal was found by Cheapflights users on 1/17. 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.
Fri 10/165:00 pm
BOS
-
SGN
2 stops32h 35m
Korean Air
Wed 11/258:00 am
SGN
-
BOS
1 stop36h 40m
Korean Air
Deal found 1/17$784
This ScholarTrip deal was found by Cheapflights users on 1/19. 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 ScholarTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3012:55 pm
BOS
-
SGN
1 stop22h 10m
Korean Air
Mon 9/711:45 pm
SGN
-
BOS
2 stops25h 09m
Korean Air
Deal found 1/19$785
This United Airlines deal was found by Cheapflights users on 1/18. 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.
Sun 1/256:17 pm
BOS
-
SGN
2 stops40h 38m
United Airlines
Thu 1/296:00 am
SGN
-
BOS
2 stops27h 42m
United Airlines
Deal found 1/18$786
This Delta deal was found by Cheapflights users on 1/19. 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.
Sun 8/168:15 am
BOS
-
SGN
2 stops28h 00m
Delta
Thu 9/107:35 am
SGN
-
BOS
2 stops28h 31m
Delta
Deal found 1/19$790
This Delta deal was found by Cheapflights users on 1/17. 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.
Wed 10/146:30 am
BOS
-
SGN
2 stops29h 45m
Delta
Wed 11/118:00 am
SGN
-
BOS
1 stop36h 40m
Delta
Deal found 1/17$794
This Korean Air deal was found by Cheapflights users on 1/17. 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.
Sat 10/176:55 am
BOS
-
SGN
2 stops28h 10m
Korean Air
Sun 11/2911:50 pm
SGN
-
BOS
2 stops25h 59m
Korean Air
Deal found 1/17$795
This Korean Air deal was found by Cheapflights users on 1/18. 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.
Sat 11/711:00 am
BOS
-
SGN
1 stop24h 20m
Korean Air
Sun 11/2911:50 pm
SGN
-
BOS
2 stops37h 08m
Korean Air
Deal found 1/18$796
This Cathay Pacific deal was found by Cheapflights users on 1/19. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/1912:30 am
BOS
-
DAD
1 stop29h 15m
Cathay Pacific
Tue 1/271:50 pm
DAD
-
BOS
1 stop20h 10m
Cathay Pacific
Deal found 1/19$846
This Korean Air deal was found by Cheapflights users on 1/19. 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.
Mon 9/2812:55 pm
BOS
-
PQC
1 stop22h 55m
Korean Air
Wed 9/3012:10 am
PQC
-
BOS
2 stops33h 39m
Korean Air
Deal found 1/19$852

Find flight deals from Maine to Vietnam

Keep the following information in mind while searching for Maine to Vietnam flight deals. Data was last updated January 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$783
(United Airlines)

One-way from

$374
(oojo)
Provider with most accurate pricing for Portland-Ho Chi Minh City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Ho Chi Minh City flights.
Search Deals
From Maine to Vietnam
Search Deals
One-way flight from Maine to Vietnam
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Maine to Vietnam 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 January 20, 2026.
Use the filters below to find and compare flights from Maine to Vietnam that are best for you.

Fly from

Maine

Fly to

Vietnam

Route

Depart

Return

Price

BostonHo Chi Minh City

BOS - SGN

BOSSGN

Boston Logan Intl

Wed 4/8

11:00 am-9:55 pm

2 stops47h 55m

Ho Chi Minh City

Sun 4/19

11:15 pm-9:54 pm

2 stops33h 39m

$802

BostonHo Chi Minh City

BOS - SGN

BOSSGN

Boston Logan Intl

Sun 3/1

7:45 pm-10:25 pm

2 stops38h 40m

Ho Chi Minh City

Thu 4/30

7:35 am-11:59 pm

2 stops27h 24m

$809

BostonHo Chi Minh City

BOS - SGN

BOSSGN

Boston Logan Intl

Fri 1/30

6:17 pm-10:55 pm

2 stops40h 38m

Ho Chi Minh City

Thu 2/5

7:30 am-7:51 pm

2 stops24h 21m

$821

BostonHo Chi Minh City

BOS - SGN

BOSSGN

Boston Logan Intl

Sun 3/1

5:30 am-10:55 pm

3 stops53h 25m

Ho Chi Minh City

Thu 4/30

7:00 am-1:10 am

2 stops29h 10m

$833

BostonHo Chi Minh City

BOS - SGN

BOSSGN

Boston Logan Intl

Tue 3/3

6:00 am-10:25 pm

2 stops28h 25m

Ho Chi Minh City

Wed 4/15

1:55 pm-11:16 am

2 stops56h 21m

$841

BostonHo Chi Minh City

BOS - SGN

BOSSGN

Boston Logan Intl

Mon 5/11

5:19 pm-10:05 pm

3 stops41h 46m

Ho Chi Minh City

Wed 6/17

11:15 pm-2:23 pm

2 stops50h 08m

$844

BostonHo Chi Minh City

BOS - SGN

BOSSGN

Boston Logan Intl

Wed 3/4

11:00 am-12:50 pm

1 stop37h 50m

Ho Chi Minh City

Thu 8/27

11:45 pm-1:54 pm

2 stops25h 09m

$845

BostonHo Chi Minh City

BOS - SGN

BOSSGN

Boston Logan Intl

Thu 2/19

8:11 am-12:15 am

2 stops28h 04m

Ho Chi Minh City

Wed 3/18

11:05 pm-7:36 pm

2 stops31h 31m

$908

BostonHanoi

BOS - HAN

BOSHAN

Boston Logan Intl

Tue 3/17

6:00 am-9:45 pm

2 stops28h 45m

Hanoi Noibai

Mon 4/13

12:00 pm-10:20 am

1 stop33h 20m

$913

BostonHo Chi Minh City

BOS - SGN

BOSSGN

Boston Logan Intl

Wed 3/11

11:15 am-10:55 pm

2 stops48h 40m

Ho Chi Minh City

Mon 3/23

11:05 pm-9:41 pm

2 stops33h 36m

$913

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/18

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Best time to book a flight from Maine to Vietnam

Have a flexible travel schedule? Discover the best time to fly to Vietnam from Maine 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 Maine to Vietnam
No data available for this route at this time. Please check back soon.

Related info for your journey

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

  • How long is the flight from Maine to Vietnam?

    There are many flights that can get you from Maine to Vietnam in 28h 45m. Fly via United Airlines, Delta, or Korean Air to get the fastest option. There are 8033 mi between Maine and Vietnam. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Maine to Vietnam that include hotel bookings?

    Yes. In addition to deals on Maine to Vietnam flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Maine to Vietnam?

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

  • Can I find deals for business class flights from Maine to Vietnam?

    Yes. Cheapflights offers flight deals from Maine to Vietnam by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Maine to Vietnam

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Maine to Vietnam

Discover the top airline that operate flights from Maine to Vietnam. 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 January 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$845Average$1,320FlexibilityNo cancel feeOn-time69%

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