$1,218+ Cheap flights from Portland, ME (PWM) to Vietnam
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SGN
Nov 19 — Nov 261
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Vietnam with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portland to Vietnam
Cheapest
Best
Last-minute
Cheapest flights from Portland to VietnamExplore 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 October 20, 2026.
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 October 20, 2026.
This United Airlines deal was found by Cheapflights users on 10/15. 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 11/128:29 am -
2 stops49h 26m
Sun 12/2011:30 pm -
2 stops31h 33m
Deal found 10/15![United Airlines logo]()
$1,218
This United Airlines deal was found by Cheapflights users on 10/18. 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.
Tue 11/175:30 am -
2 stops28h 25m
Tue 11/247:30 am -
2 stops23h 19m
Deal found 10/18![United Airlines logo]()
$1,219
This Japan Airlines deal was found by Cheapflights users on 10/18. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:30 am -
2 stops35h 25m
Mon 11/911:45 pm -
2 stops35h 58m
Deal found 10/18![Japan Airlines logo]()
$1,303
This Korean Air deal was found by Cheapflights users on 10/15. 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.
Thu 11/56:01 am -
2 stops42h 49m
Mon 11/92:05 pm -
2 stops37h 11m
Deal found 10/15![Korean Air logo]()
$1,318
This United Airlines deal was found by Cheapflights users on 10/15. 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 11/55:08 pm -
3 stops42h 02m
Mon 11/911:30 pm -
2 stops31h 32m
Deal found 10/15![United Airlines logo]()
$1,372
This United Airlines deal was found by Cheapflights users on 10/19. 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.
Mon 12/284:28 pm -
3 stops66h 42m
Wed 2/246:00 am -
3 stops28h 55m
Deal found 10/19![United Airlines logo]()
$1,652
This Delta deal was found by Cheapflights users on 10/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/285:35 am -
2 stops43h 15m
Wed 2/242:05 pm -
2 stops33h 48m
Deal found 10/18![Delta logo]()
$2,258
Best flights from Portland to VietnamDiscover 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 October 20, 2026.
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 October 20, 2026.
This United Airlines deal was found by Cheapflights users on 10/15. 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 11/128:29 am -
2 stops49h 26m
Sun 12/2011:30 pm -
2 stops31h 33m
Deal found 10/15![United Airlines logo]()
$1,218
This Korean Air deal was found by Cheapflights users on 10/15. 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.
Thu 11/56:01 am -
2 stops42h 49m
Mon 11/92:05 pm -
2 stops37h 11m
Deal found 10/15![Korean Air logo]()
$1,318
This United Airlines deal was found by Cheapflights users on 10/18. 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.
Tue 11/175:30 am -
2 stops28h 25m
Tue 11/247:30 am -
2 stops23h 19m
Deal found 10/18![United Airlines logo]()
$1,219
This United Airlines deal was found by Cheapflights users on 10/18. 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.
Mon 1/117:30 am -
2 stops28h 45m
Sun 1/3111:30 pm -
2 stops27h 03m
Deal found 10/18![United Airlines logo]()
$1,321
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/57:35 pm -
3 stops39h 35m
Mon 11/911:30 pm -
2 stops31h 32m
Deal found 10/19![United Airlines logo]()
$1,372
Last-minute flights from Portland to VietnamDiscover last-minute flight deals from Portland to Vietnam. Data last updated October 20, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Vietnam. Data last updated October 20, 2026 and is based on user searches.
This Japan Airlines deal was found by Cheapflights users on 10/18. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:30 am -
2 stops35h 25m
Mon 11/911:45 pm -
2 stops35h 58m
Deal found 10/18![Japan Airlines logo]()
$1,303
This Korean Air deal was found by Cheapflights users on 10/15. 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.
Thu 11/56:01 am -
2 stops42h 49m
Mon 11/92:05 pm -
2 stops37h 11m
Deal found 10/15![Korean Air logo]()
$1,318
This United Airlines deal was found by Cheapflights users on 10/18. 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.
Thu 11/57:35 pm -
3 stops39h 35m
Mon 11/911:30 pm -
2 stops31h 32m
Deal found 10/18![United Airlines logo]()
$1,372
This United Airlines deal was found by Cheapflights users on 10/15. 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 11/128:29 am -
2 stops49h 26m
Sun 12/2011:30 pm -
2 stops31h 33m
Deal found 10/15![United Airlines logo]()
$1,218
This United Airlines deal was found by Cheapflights users on 10/18. 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.
Tue 11/175:30 am -
2 stops28h 25m
Tue 11/247:30 am -
2 stops23h 19m
Deal found 10/18![United Airlines logo]()
$1,219
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 October 20, 2026.
Round-trip from | $1,218 (United Airlines) |
|---|
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 7,457,451 searches. Data last updated October 20, 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
Cheapest round-trip
PortlandHo Chi Minh City
PWM Portland - SGN Ho Chi Minh City
PWMSGN
Portland
Thu 11/12
8:29 am-9:55 pm
2 stops49h 26m
Ho Chi Minh City
Sun 12/20
11:30 pm-7:03 pm
2 stops31h 33m
$1,218
Quickest round-trip
PortlandHo Chi Minh City
PWM Portland - SGN Ho Chi Minh City
PWMSGN
Portland
Tue 11/17
5:30 am-9:55 pm
2 stops28h 25m
Ho Chi Minh City
Tue 11/24
7:30 am-6:49 pm
2 stops23h 19m
$1,219
PortlandHo Chi Minh City
PWM Portland - SGN Ho Chi Minh City
PWMSGN
Portland
Thu 11/5
6:01 am-12:50 pm
2 stops42h 49m
Ho Chi Minh City
Mon 11/9
2:05 pm-3:16 pm
2 stops37h 11m
$1,318
PortlandHo Chi Minh City
PWM Portland - SGN Ho Chi Minh City
PWMSGN
Portland
Mon 1/11
7:30 am-12:15 am
2 stops28h 45m
Ho Chi Minh City
Sun 1/31
11:30 pm-2:33 pm
2 stops27h 03m
$1,321
PortlandHo Chi Minh City
PWM Portland - SGN Ho Chi Minh City
PWMSGN
Portland
Thu 11/5
7:35 pm-11:10 pm
3 stops39h 35m
Ho Chi Minh City
Mon 11/9
11:30 pm-7:02 pm
2 stops31h 32m
$1,372
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.
PWM-SGN
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
PWM-VN0
PWM-SGN
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 October 20, 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.
Comfort
7.3
Entertainment
7.1
Overall
7.3
Food
6.7
Crew
8.1
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Comfort
7.3
Entertainment
7.1
Overall
7.3
Food
6.7
Crew
8.1
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
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.
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Alternative routes for Portland to Vietnam
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Vietnam by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Portland to Vietnam by cabin class
Find flights from Portland to Vietnam, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and Vietnam flights
Browse other Portland and Vietnam flight options. Last updated on October 20, 2026.
Popular flight searches
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Fly to Vietnam regions
Consider these flights traveling to Vietnam regions.
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 7,457,451 searches. Data last updated October 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,135 | Average$1,220 | FlexibilityNo cancel fee | On-time69% |