What is the cheapest airline that flies from Portland to Vietnam?

United Airlines, ANA, and STARLUX Airlines are the most popular carriers operating from Portland to Vietnam

What airlines fly to Vietnam?

Korean Air, STARLUX Airlines and United Airlines are the top three most popular airlines that fly to Vietnam from Portland according to our data. Korean Air is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Vietnam. Keep in mind that there are 11 different airlines that fly to Vietnam on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Portland Airport to Vietnam?

Prices for flights from Portland Airport to Vietnam are updated daily.

How many operators does momondo search for flights from Portland Airport to Vietnam?

As of October 2025, there are 11 operators available to choose from for flights from Portland Airport to Vietnam.

How old do you have to be to fly from Portland Airport to Vietnam?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Vietnam.

What documentation or ID do you need to fly to Vietnam?

The travel and health documents required for your trip to Vietnam can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Vietnam. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$378 Cheap Flights from Portland to Vietnam in 2025/26

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Find the cheapest flights from Portland to Vietnam

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:30 pm - 10:55 pmPDX-SGN

37h 25m3 stops

7:00 am - 6:36 pmSGN-PDX

25h 36m3 stops

$804United Airlines

Find Deal

Mon, Mar 16 - Wed, Apr 8

7:49 pm - 9:50 pmPDX-SGN

35h 01m2 stops

6:00 am - 6:45 pmSGN-PDX

26h 45m3 stops

$805United Airlines

Find Deal

Tue, Feb 24 - Thu, Mar 12

7:10 am - 11:10 amPDX-HAN

37h 00m2 stops

12:20 pm - 12:44 pmHAN-PDX

39h 24m2 stops

$806Korean Air

Find Deal

Thu, Jan 15 - Tue, Feb 10

5:35 pm - 10:30 amPDX-SGN

25h 55m2 stops

11:30 am - 10:21 pmSGN-PDX

24h 51m2 stops

$807STARLUX Airlines

Find Deal

Thu, Jan 22 - Thu, Apr 9

2:40 pm - 4:30 pmPDX-HAN

34h 50m2 stops

5:30 pm - 9:35 amHAN-PDX

30h 05m2 stops

$828China Airlines

Find Deal

Thu, Feb 26 - Tue, Mar 10

7:38 pm - 5:15 pmPDX-DAD

30h 37m2 stops

6:25 pm - 8:47 pmDAD-PDX

41h 22m2 stops

$836STARLUX Airlines

Find Deal

Sat, Jan 10 - Tue, Jan 27

9:40 am - 11:20 pmPDX-SGN

23h 40m2 stops

1:55 pm - 11:53 pmSGN-PDX

47h 58m2 stops

$848Delta

Find Deal

Sun, Mar 15 - Sun, Apr 12

6:30 am - 10:25 pmPDX-SGN

25h 55m2 stops

7:35 am - 1:14 pmSGN-PDX

19h 39m2 stops

$854Korean Air

Find Deal

Mon, Mar 16 - Thu, Apr 9

5:45 pm - 11:20 pmPDX-SGN

39h 35m2 stops

7:35 am - 10:34 amSGN-PDX

40h 59m2 stops

$859Delta

Find Deal

Sat, Mar 14 - Thu, Apr 2

2:50 pm - 10:35 amPDX-HAN

28h 45m2 stops

5:30 pm - 8:48 pmHAN-PDX

42h 18m2 stops

$869China Airlines

Find Deal

Thu, Feb 19 - Thu, Feb 26

United Airlines flights from Portland to Vietnam

Our best United Airlines deals on Portland to Vietnam flight tickets

United Airlines

Mar 16

PDX7:30 pmPortland

37h 25m

3 stops

SGN10:55 pmHo Chi Minh City

Apr 8

SGN7:00 amHo Chi Minh City

25h 36m

3 stops

PDX6:36 pmPortland

$804

Find similar

United Airlines

Feb 24

PDX7:49 pmPortland

35h 01m

2 stops

SGN9:50 pmHo Chi Minh City

Mar 12

SGN6:00 amHo Chi Minh City

26h 45m

3 stops

PDX6:45 pmPortland

$805

Find similar

United Airlines

Feb 25

PDX7:30 amPortland

25h 45m

2 stops

SGN12:15 amHo Chi Minh City

Mar 12

SGN6:00 amHo Chi Minh City

26h 45m

3 stops

PDX6:45 pmPortland

$808

Find similar

Delta flights from Portland to Vietnam

Our best Delta deals on Portland to Vietnam flight tickets

Delta

Mar 15

PDX9:40 amPortland

23h 40m

2 stops

SGN11:20 pmHo Chi Minh City

Apr 12

SGN1:55 pmHo Chi Minh City

47h 58m

2 stops

PDX11:53 pmPortland

$848

Find similar

Delta

Mar 14

PDX5:45 pmPortland

39h 35m

2 stops

SGN11:20 pmHo Chi Minh City

Apr 2

SGN7:35 amHo Chi Minh City

40h 59m

2 stops

PDX10:34 amPortland

$859

Find similar

Delta

Feb 8

PDX7:10 amPortland

23h 25m

2 stops

CXR9:35 pmNha Trang Cam Ranh

Mar 8

CXR11:05 pmNha Trang Cam Ranh

35h 42m

2 stops

PDX8:47 pmPortland

$1,296

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Mon 3/16

7:30 pm-10:55 pm

3 stops37h 25m

Ho Chi Minh City

Wed 4/8

7:00 am-6:36 pm

3 stops25h 36m

$804

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Tue 2/24

7:49 pm-9:50 pm

2 stops35h 01m

Ho Chi Minh City

Thu 3/12

6:00 am-6:45 pm

3 stops26h 45m

$805

PortlandHanoi

PDX - HAN

PDXHAN

Portland

Thu 1/15

7:10 am-11:10 am

2 stops37h 00m

Hanoi Noibai

Tue 2/10

12:20 pm-12:44 pm

2 stops39h 24m

$806

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Thu 1/22

5:35 pm-10:30 am

2 stops25h 55m

Ho Chi Minh City

Thu 4/9

11:30 am-10:21 pm

2 stops24h 51m

$807

PortlandHanoi

PDX - HAN

PDXHAN

Portland

Thu 2/26

2:40 pm-4:30 pm

2 stops34h 50m

Hanoi Noibai

Tue 3/10

5:30 pm-9:35 am

2 stops30h 05m

$828

PortlandDa Nang

PDX - DAD

PDXDAD

Portland

Sat 1/10

7:38 pm-5:15 pm

2 stops30h 37m

Da Nang

Tue 1/27

6:25 pm-8:47 pm

2 stops41h 22m

$836

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Sun 3/15

9:40 am-11:20 pm

2 stops23h 40m

Ho Chi Minh City

Sun 4/12

1:55 pm-11:53 pm

2 stops47h 58m

$848

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Mon 3/16

6:30 am-10:25 pm

2 stops25h 55m

Ho Chi Minh City

Thu 4/9

7:35 am-1:14 pm

2 stops19h 39m

$854

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Sat 3/14

5:45 pm-11:20 pm

2 stops39h 35m

Ho Chi Minh City

Thu 4/2

7:35 am-10:34 am

2 stops40h 59m

$859

PortlandHanoi

PDX - HAN

PDXHAN

Portland

Thu 2/19

2:50 pm-10:35 am

2 stops28h 45m

Hanoi Noibai

Thu 2/26

5:30 pm-8:48 pm

2 stops42h 18m

$869

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Portland to Vietnam

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Vietnam?

The month of September is, on average, the cheapest month to fly to Vietnam from Portland, with most prices found around $890. If you don’t want to visit Vietnam in September, then you should wait until November to fly from Portland, when ticket prices are also cheap, with an average price of $903.

What is the cheapest day to depart on your flight to Vietnam?

According to our data, Friday is the cheapest day to fly to Vietnam from Portland. The lowest ticket price found for a Friday departure recently was $1,106. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Vietnam on Tuesday is $1,285.

What is the cheapest time of day to depart on your flight to Vietnam?

Flying to Vietnam from Portland at noon is the least expensive time of day to depart. momondo users have found prices as low as $1,136 when looking at flights departing at noon. In the afternoon is when there is more demand to fly to Vietnam, so prices are often more expensive at around $1,246 per ticket.

How far in advance should I book a flight to Vietnam?

You are more likely to see cheaper flights to Vietnam from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Vietnam for around $1,058 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Vietnam from Portland for as low as $907 on momondo.

Cheap Portland to Vietnam flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Vietnam

Direct flights	None

There are no direct flights from Portland to Vietnam. There are no popular flight routes from Portland to Vietnam.

Search flight deals

When did momondo last update prices for flights from Portland Airport to Vietnam?
Prices for flights from Portland Airport to Vietnam are updated daily.
How many operators does momondo search for flights from Portland Airport to Vietnam?
As of October 2025, there are 11 operators available to choose from for flights from Portland Airport to Vietnam.
How old do you have to be to fly from Portland Airport to Vietnam?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Vietnam.
What documentation or ID do you need to fly to Vietnam?
The travel and health documents required for your trip to Vietnam can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Vietnam. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Portland to Vietnam

Compare and see reviews for airlines that fly from Portland to Vietnam with momondo

Airline	Rating	Free Cancellation	Price
STARLUX Airlines	PriceFrom $765	Free Cancellation	Rating 8.9 219 reviews	Search STARLUX Airlines flights
Singapore Airlines	PriceFrom $779	Free Cancellation	Rating 8.1 1,388 reviews	Search Singapore Airlines flights
Delta	PriceFrom $784	Free Cancellation	Rating 7.9 7,993 reviews	Search Delta flights
ANA	PriceFrom $788	Free Cancellation	Rating 8.4 996 reviews	Search ANA flights
Korean Air	PriceFrom $789	Free Cancellation	Rating 8.4 1,155 reviews	Search Korean Air flights
United Airlines	PriceFrom $799	Free Cancellation	Rating 7.4 8,998 reviews	Search United Airlines flights
China Airlines	PriceFrom $810	Free Cancellation	Rating 8.3 776 reviews	Search China Airlines flights
Japan Airlines	PriceFrom $883	Free Cancellation	Rating 8.3 1,596 reviews	Search Japan Airlines flights
EVA Air	PriceFrom $903	Free Cancellation	Rating 8.4 1,265 reviews	Search EVA Air flights
Cathay Pacific	PriceFrom $907	Free Cancellation	Rating 7.6 1,044 reviews	Search Cathay Pacific flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Vietnam?

Finding the right flight to Vietnam from Portland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Vietnam quick and easy, saving you time and money.

Can I find flights from Portland to Vietnam with flexible booking policies on momondo?

momondo does allow users to show only those flights to Vietnam from Portland which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Portland to Vietnam?

momondo provides multiple filters to help you find the best flight to Vietnam from Portland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Portland to Vietnam right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Vietnam from Portland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.