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$965+ Cheap flights from Portland, ME (PWM) 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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SGN
Jun 16 — Jun 231
Tue 6/16
Tue 6/23
1 adult, Economy
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Cheap flight deals from Portland to Vietnam

Cheapest flights from Portland to Vietnam
Explore the most affordable flight options available from Portland to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 17, 2026.

This Japan Airlines deal was found by Cheapflights users on 5/16. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:30 am
PWM
-
SGN
2 stops60h 20m
Japan Airlines
Mon 11/211:35 pm
SGN
-
PWM
2 stops36h 08m
Japan Airlines
Deal found 5/16$1,354
This oojo deal was found by Cheapflights users on 5/13. 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.
Sun 8/236:00 am
PWM
-
SGN
2 stops42h 00m
Multiple Airlines
Sat 8/2912:05 pm
SGN
-
PWM
2 stops35h 16m
Multiple Airlines
Deal found 5/13$1,499
This Qatar Airways deal was found by Cheapflights users on 5/12. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:30 am
PWM
-
SGN
2 stops43h 35m
Qatar Airways
Mon 11/27:40 pm
SGN
-
PWM
2 stops40h 03m
Qatar Airways
Deal found 5/12$1,540
This oojo deal was found by Cheapflights users on 5/16. 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.
Sun 8/236:00 am
PWM
-
SGN
2 stops53h 50m
Asiana Airlines
Fri 8/2812:10 am
SGN
-
PWM
2 stops47h 11m
Asiana Airlines
Deal found 5/16$1,546
This oojo deal was found by Cheapflights users on 5/12. 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.
Sun 8/236:00 am
PWM
-
SGN
2 stops24h 20m
Cathay Pacific
Sat 8/296:20 pm
SGN
-
PWM
2 stops40h 54m
Cathay Pacific
Deal found 5/12$1,788
This United Airlines deal was found by Cheapflights users on 5/12. 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 10/299:45 am
PWM
-
SGN
2 stops49h 05m
United Airlines
Mon 11/211:05 pm
SGN
-
PWM
3 stops35h 52m
United Airlines
Deal found 5/12$1,841
This United Airlines deal was found by Cheapflights users on 5/13. 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 8/235:52 am
PWM
-
SGN
3 stops29h 13m
United Airlines
Sat 8/2911:15 pm
SGN
-
PWM
2 stops31h 09m
United Airlines
Deal found 5/13$1,875

Find flight deals from Portland to Vietnam

Keep the following information in mind while searching for Portland to Vietnam flight deals. Data was last updated May 17, 2026.

Round-trip from

$1,354
(Japan Airlines)

One-way from

$965
(oojo)
From Portland to Vietnam
Search Deals
One-way flight from Portland to Vietnam
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland 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 May 17, 2026.
Use the filters below to find and compare flights from Portland to Vietnam that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Thu 10/29

6:30 am-5:50 am

2 stops60h 20m

Ho Chi Minh City

Mon 11/2

11:35 pm-11:43 pm

2 stops36h 08m

$1,354
Quickest round-trip

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Sun 8/23

6:00 am-11:00 am

2 stops42h 00m

Ho Chi Minh City

Sat 8/29

12:05 pm-12:21 pm

2 stops35h 16m

$1,499

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Thu 10/29

6:30 am-1:05 pm

2 stops43h 35m

Ho Chi Minh City

Mon 11/2

7:40 pm-11:43 pm

2 stops40h 03m

$1,540

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Sun 8/23

6:00 am-10:50 pm

2 stops53h 50m

Ho Chi Minh City

Fri 8/28

12:10 am-12:21 pm

2 stops47h 11m

$1,546

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Thu 10/29

9:45 am-9:50 pm

2 stops49h 05m

Ho Chi Minh City

Mon 11/2

11:05 pm-10:57 pm

3 stops35h 52m

$1,841
Cheapest one-way

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Mon 6/22

2:30 pm-11:00 am

2 stops33h 30m

$1,040

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Fri 7/3

9:52 am-2:55 pm

3 stops42h 03m

$1,101
Quickest one-way

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Fri 7/3

6:00 am-12:15 am

2 stops31h 15m

$1,175

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Tue 6/9

5:29 pm-6:25 am

3 stops49h 56m

$1,227

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

Sorted by cheapest first

Best time to book a flight from Portland to Vietnam

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

Reviews of airlines servicing Vietnam

Get insights into the airlines that provide service to Vietnam. 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 Vietnam. Reviews last updated May 17, 2026.
See what other customers who have flown with United Airlines from Portland to Vietnam have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,730 reviews

Food

6.6

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,730 reviews
United Airlines
7.4
Good
9,730 reviews

Food

6.6

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Related info for your journey

Find useful and relevant information for your journey from Portland to Vietnam. 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 Portland to Vietnam?

    Located just 2.9 mi from the city center, Portland (PWM) is the airport most travelers will use when flying to Vietnam from Portland.

  • How long is the flight from Portland, Maine to Vietnam?

    For as low as $1,540, Japan Airlines can have you in Vietnam from Portland, Maine in 43h 35m. Portland, Maine and Vietnam are separated by a distance of 8663 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portland 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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Top airline flying from Portland to Vietnam

Discover the top airline that operate flights from Portland 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 May 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$845Average$1,320FlexibilityNo cancel feeOn-time69%

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