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$356+ Cheap flights from Portland (PDX) 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SGN
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/28. 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 9/75:15 am
PDX
-
HAN
2 stops27h 00m
United Airlines
Thu 9/1011:35 pm
HAN
-
PDX
2 stops28h 42m
United Airlines
Deal found 1/28$768
This FlightHub deal was found by Cheapflights users on 1/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/58:59 pm
PDX
-
DAD
2 stops30h 36m
STARLUX Airlines
Mon 9/216:45 pm
DAD
-
PDX
2 stops43h 25m
STARLUX Airlines
Deal found 1/28$779
This Korean Air deal was found by Cheapflights users on 1/27. 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 3/57:15 am
PDX
-
HAN
2 stops36h 55m
Korean Air
Wed 3/1112:20 pm
HAN
-
PDX
2 stops38h 49m
Korean Air
Deal found 1/27$786
This United Airlines deal was found by Cheapflights users on 1/28. 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 7/153:30 pm
PDX
-
SGN
3 stops40h 35m
United Airlines
Mon 8/3111:15 pm
SGN
-
PDX
2 stops35h 30m
United Airlines
Deal found 1/28$789
This oojo deal was found by Cheapflights users on 1/27. 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.
Mon 3/162:47 pm
PDX
-
SGN
2 stops29h 43m
Multiple Airlines
Wed 4/156:05 pm
SGN
-
PDX
2 stops29h 45m
Multiple Airlines
Deal found 1/27$792
This Korean Air deal was found by Cheapflights users on 1/27. 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 3/89:09 am
PDX
-
HAN
2 stops22h 36m
Korean Air
Tue 3/1011:05 pm
HAN
-
PDX
2 stops28h 04m
Korean Air
Deal found 1/27$794
This United Airlines deal was found by Cheapflights users on 1/26. 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 7/235:30 am
PDX
-
SGN
2 stops28h 45m
United Airlines
Thu 8/2711:15 pm
SGN
-
PDX
2 stops47h 53m
United Airlines
Deal found 1/26$795
This oojo deal was found by Cheapflights users on 1/27. 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.
Tue 3/1010:48 am
PDX
-
SGN
2 stops33h 42m
Multiple Airlines
Tue 3/2411:40 am
SGN
-
PDX
2 stops23h 58m
Multiple Airlines
Deal found 1/27$806
This United Airlines deal was found by Cheapflights users on 1/26. 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 4/137:14 pm
PDX
-
SGN
3 stops36h 51m
United Airlines
Thu 5/77:00 am
SGN
-
PDX
3 stops31h 59m
United Airlines
Deal found 1/26$807
This United Airlines deal was found by Cheapflights users on 1/28. 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 2/185:35 am
PDX
-
SGN
2 stops25h 15m
United Airlines
Fri 4/177:00 am
SGN
-
PDX
3 stops31h 44m
United Airlines
Deal found 1/28$818
This China Airlines deal was found by Cheapflights users on 1/28. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/43:42 pm
PDX
-
SGN
2 stops27h 58m
Multiple Airlines
Sat 4/185:30 pm
SGN
-
PDX
2 stops20h 14m
Multiple Airlines
Deal found 1/28$819
This Delta deal was found by Cheapflights users on 1/27. 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 3/49:20 am
PDX
-
HAN
2 stops34h 50m
Delta
Tue 3/1011:05 pm
HAN
-
PDX
2 stops35h 53m
Delta
Deal found 1/27$819

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$786
(Korean Air)

One-way from

$356
(oojo)

Popular in

June

Cheapest in

January

Average price

$843
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
Highest demand for flights based on searches. 20% potential increase in price ($266 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 29, 2026.
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

PortlandHanoi

PDX - HAN

PDXHAN

Portland

Thu 3/5

7:15 am-11:10 am

2 stops36h 55m

Hanoi Noibai

Wed 3/11

12:20 pm-1:09 pm

2 stops38h 49m

$786

PortlandHanoi

PDX - HAN

PDXHAN

Portland

Thu 4/23

10:45 am-9:35 pm

2 stops20h 50m

Hanoi Noibai

Thu 5/7

11:10 pm-1:17 pm

2 stops28h 07m

$794

PortlandHanoi

PDX - HAN

PDXHAN

Portland

Sun 3/8

9:09 am-9:45 pm

2 stops22h 36m

Hanoi Noibai

Tue 3/10

11:05 pm-1:09 pm

2 stops28h 04m

$794

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Thu 4/23

5:30 am-10:05 pm

3 stops26h 35m

Ho Chi Minh City

Tue 5/5

7:00 am-8:58 pm

3 stops27h 58m

$807

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Mon 4/13

7:14 pm-10:05 pm

3 stops36h 51m

Ho Chi Minh City

Thu 5/7

7:00 am-12:59 am

3 stops31h 59m

$807

PortlandHanoi

PDX - HAN

PDXHAN

Portland

Sun 3/8

9:09 am-9:45 pm

2 stops22h 36m

Hanoi Noibai

Thu 3/12

12:20 pm-10:23 pm

2 stops24h 03m

$832

PortlandHanoi

PDX - HAN

PDXHAN

Portland

Fri 4/24

10:45 am-9:35 pm

2 stops20h 50m

Hanoi Noibai

Tue 4/28

11:10 pm-2:50 pm

2 stops29h 40m

$832

PortlandHanoi

PDX - HAN

PDXHAN

Portland

Thu 5/7

9:40 am-9:35 pm

2 stops21h 55m

Hanoi Noibai

Sun 5/17

11:10 pm-4:33 pm

2 stops31h 23m

$834

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Sat 4/4

3:42 pm-9:40 am

2 stops27h 58m

Ho Chi Minh City

Sat 4/18

10:50 am-11:44 pm

2 stops26h 54m

$842

PortlandHanoi

PDX - HAN

PDXHAN

Portland

Fri 3/6

7:15 am-9:45 pm

2 stops23h 30m

Hanoi Noibai

Wed 3/11

11:05 pm-1:09 pm

2 stops28h 04m

$844

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 45 results
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5

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 to Vietnam?

Currently, January is the cheapest month in which you can book a flight from Portland to Vietnam (average of $677). Flying from Portland to Vietnam in June is currently the most expensive (average of $894). 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 January 29, 2026.
Read reviews from past customers who have flown STARLUX Airlines, EVA Air, and Korean Air from Portland to Vietnam. 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.
STARLUX Airlines
8.9
Very good
268 reviews

Food

8.6

Boarding

8.9

Comfort

8.8

Overall

8.9

Crew

9.1

Entertainment

8.8

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
STARLUX Airlines
8.9
Very good
268 reviews
STARLUX Airlines
8.9
Very good
268 reviews

Food

8.6

Boarding

8.9

Comfort

8.8

Overall

8.9

Crew

9.1

Entertainment

8.8

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
EVA Air
8.4
Very good
1,334 reviews
STARLUX Airlines
8.9
Very good
268 reviews

Food

8.6

Boarding

8.9

Comfort

8.8

Overall

8.9

Crew

9.1

Entertainment

8.8

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
Korean Air
8.4
Very good
1,188 reviews
STARLUX Airlines
8.9
Very good
268 reviews

Food

8.6

Boarding

8.9

Comfort

8.8

Overall

8.9

Crew

9.1

Entertainment

8.8

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
China Airlines
8.3
Very good
802 reviews
STARLUX Airlines
8.9
Very good
268 reviews

Food

8.6

Boarding

8.9

Comfort

8.8

Overall

8.9

Crew

9.1

Entertainment

8.8

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
United Airlines
7.4
Good
9,215 reviews
STARLUX Airlines
8.9
Very good
268 reviews

Food

8.6

Boarding

8.9

Comfort

8.8

Overall

8.9

Crew

9.1

Entertainment

8.8

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

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?

    Most people fly from Portland (PDX) if they book a flight from Portland to Vietnam. Portland is conveniently located just 6.0 mi from Portland’s city center.

  • How long is the flight from Portland to Vietnam?

    A quick flight from Portland to Vietnam can take about 28h 45m. Korean Air provides one of the quickest options available for as low as $795. The distance from Portland to Vietnam is about 7480 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Portland to Vietnam one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $403. However, be on the lookout for offers from Japan Airlines and STARLUX Airlines, as they are both options that can get you from Portland to Vietnam for a low price.

  • What are the most popular routes from Portland to Vietnam?

    The most popular route from Portland to Vietnam is Portland - Ho Chi Minh City. You may also consider Portland - Hanoi Noibai or Portland - Da Nang.

  • 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 to Vietnam?

    Currently, January is the cheapest month in which you can book a flight from Portland to Vietnam (average of $677). Flying from Portland to Vietnam in June is currently the most expensive (average of $894). 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

Browse thousands of different options on Cheapflights for your next trip

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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.
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Portland to Singapore flights
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Eugene to Haneda flights
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Eugene to Incheon Intl flights
Portland to Colombo flights
Portland to Capital flights
Eugene to Capital flights

Top 10 airlines flying from Portland to Vietnam

Discover the top 10 airlines 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$569Average$1,172FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$637Average$1,074FlexibilityNo cancel feeOn-time81%
STARLUX AirlinesCheapest$746Average$955FlexibilityNo cancel feeOn-timeN/A
ANACheapest$773Average$862FlexibilityNo cancel feeOn-time80%
Japan AirlinesCheapest$782Average$893FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$791Average$936FlexibilityNo cancel feeOn-time69%
China AirlinesCheapest$810Average$928FlexibilityNo cancel feeOn-time70%
EVA AirCheapest$883Average$1,030FlexibilityNo cancel feeOn-time74%
Cathay PacificCheapest$907Average$1,188FlexibilityNo cancel feeOn-time72%
Vietnam AirlinesCheapest$1,031Average$1,335FlexibilityNo cancel feeOn-time81%

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