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$602+ 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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SGN
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheap flight deals from Portland to Vietnam

Best flights from Portland to Vietnam
Discover carefully curated flight deals from Portland to Vietnam that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 4, 2025.

This United Airlines deal was found by Cheapflights users on 12/2. 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 2/186:00 amPWM - SGN
2 stops30h 15mUnited Airlines
Wed 5/1311:15 pmSGN - PWM
2 stops33h 12mUnited Airlines
Deal found 12/2$1,073
This Delta deal was found by Cheapflights users on 12/3. 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.
Sat 3/145:30 amPWM - SGN
2 stops29h 55mDelta
Sat 4/111:55 pmSGN - PWM
2 stops44h 29mDelta
Deal found 12/3$1,295
This Qatar Airways deal was found by Cheapflights users on 12/3. 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.
Sat 3/1412:49 pmPWM - SGN
3 stops39h 51mQatar Airways
Sat 4/119:20 amSGN - PWM
2 stops37h 40mQatar Airways
Deal found 12/3$2,561
This American Airlines deal was found by Cheapflights users on 12/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1812:17 pmPWM - SGN
3 stops29h 38mAmerican Airlines
Wed 5/1311:20 pmSGN - PWM
3 stops33h 04mAmerican Airlines
Deal found 12/2$4,931
This American Airlines deal was found by Cheapflights users on 12/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/1410:59 amPWM - SGN
3 stops31h 51mAmerican Airlines
Sat 4/1111:20 pmSGN - PWM
3 stops33h 04mAmerican Airlines
Deal found 12/3$5,071

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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,073
(United Airlines)

One-way from

$602
(Justfly.com)
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 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 December 4, 2025.
Use the filters below to find and compare flights from Portland to Vietnam that are best for you.

Fly from

Portland

Fly to

Vietnam

Route

Depart

Return

Price

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Wed 2/18

6:00 am-12:15 am

2 stops30h 15m

Ho Chi Minh City

Wed 5/13

11:15 pm-9:27 pm

2 stops33h 12m

$1,073

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Sat 3/14

5:30 am-10:25 pm

2 stops29h 55m

Ho Chi Minh City

Sat 4/11

1:55 pm-11:24 pm

2 stops44h 29m

$1,295

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Sat 3/14

12:49 pm-3:40 pm

3 stops39h 51m

Ho Chi Minh City

Sat 4/11

9:20 am-12:00 pm

2 stops37h 40m

$2,561

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Wed 2/18

12:17 pm-5:55 am

3 stops29h 38m

Ho Chi Minh City

Wed 5/13

11:20 pm-9:24 pm

3 stops33h 04m

$4,931

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Sat 3/14

10:59 am-5:50 am

3 stops31h 51m

Ho Chi Minh City

Sat 4/11

11:20 pm-9:24 pm

3 stops33h 04m

$5,071

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Mon 3/30

6:00 am-10:50 pm

2 stops29h 50m

$602

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Mon 3/30

7:22 pm-9:50 pm

3 stops39h 28m

$607

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

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

What is the cheapest month to book a flight from Portland, Maine to Vietnam?

Currently, July is the cheapest month in which you can book a flight from Portland, Maine to Vietnam (average of $710). Flying from Portland, Maine to Vietnam in June is currently the most expensive (average of $1,108). 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 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 December 4, 2025.
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
9,066 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,066 reviews
United Airlines
7.4
Good
9,066 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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 $1,295, United Airlines can have you in Vietnam from Portland, Maine in 29h 55m. 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.

  • What is the cheapest month to book a flight from Portland, Maine to Vietnam?

    Currently, July is the cheapest month in which you can book a flight from Portland, Maine to Vietnam (average of $710). Flying from Portland, Maine to Vietnam in June is currently the most expensive (average of $1,108). 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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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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$971Average$1,260FlexibilityNo cancel feeOn-time69%

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