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

Qatar Airways, Philippine Airlines, and United Airlines are the most popular carriers operating from Portland to Vietnam

What airlines fly to Vietnam?

STARLUX Airlines, Korean Air and United Airlines are the top three most popular airlines that fly to Vietnam from Portland according to our data. STARLUX Airlines is the first choice among our users, with 34% 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 July 2026, 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.

$469 Cheap Flights from Portland to Vietnam in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Vietnam

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:45 am - 6:55 am

PDX

HAN

29h 10m

2 stops

7:10 pm - 6:33 pm

HAN

PDX

38h 23m

2 stops

$931Multiple Airlines

Tue, Nov 10 - Fri, Nov 20

7:06 am - 1:55 pm

PDX

HAN

40h 49m

2 stops

7:10 pm - 5:00 pm

HAN

PDX

35h 50m

2 stops

$945Qatar Airways

Mon, Oct 12 - Mon, Oct 26

5:41 pm - 2:25 pm

PDX

SGN

30h 44m

2 stops

7:30 am - 2:41 pm

SGN

PDX

21h 11m

2 stops

$972Multiple Airlines

Wed, Sep 9 - Sat, Sep 19

8:05 am - 6:55 am

PDX

HAN

31h 50m

2 stops

8:55 am - 4:50 pm

HAN

PDX

46h 55m

2 stops

$973Multiple Airlines

Sat, Nov 7 - Tue, Nov 17

7:05 am - 10:35 am

PDX

HAN

37h 30m

2 stops

11:10 pm - 5:10 pm

HAN

PDX

32h 00m

2 stops

$1,136Delta

Sun, Jul 19 - Fri, Sep 18

7:10 am - 9:45 pm

PDX

HAN

23h 35m

2 stops

12:20 pm - 4:34 pm

HAN

PDX

43h 14m

2 stops

$1,139Korean Air

Sun, Nov 29 - Wed, Dec 2

3:30 pm - 1:10 pm

PDX

DAD

31h 40m

2 stops

4:30 pm - 9:07 am

DAD

PDX

30h 37m

2 stops

$1,150Philippine Airlines

Tue, Jul 21 - Mon, Aug 31

5:30 pm - 1:10 pm

PDX

DAD

29h 40m

2 stops

4:30 pm - 9:25 am

DAD

PDX

30h 55m

2 stops

$1,154Philippine Airlines

Tue, Jul 21 - Mon, Aug 31

7:00 am - 9:30 pm

PDX

DAD

24h 30m

2 stops

3:45 pm - 10:19 pm

DAD

PDX

44h 34m

2 stops

$1,219Korean Air

Mon, Oct 26 - Thu, Oct 29

1:00 pm - 9:45 pm

PDX

CXR

41h 45m

2 stops

11:10 pm - 4:34 pm

CXR

PDX

32h 24m

2 stops

$1,415Delta

Tue, Nov 17 - Wed, Jan 20

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United Airlines flights from Portland to Vietnam

Our best United Airlines deals on Portland to Vietnam flight tickets

United Airlines

Sep 7

PDX5:30 amPortland

26h 25m

2 stops

SGN9:55 pmHo Chi Minh City

Sep 13

SGN11:15 pmHo Chi Minh City

37h 30m

2 stops

PDX10:45 pmPortland

$1,090

United Airlines

Jul 14

PDX7:00 amPortland

27h 15m

2 stops

SGN12:15 amHo Chi Minh City

Aug 31

SGN11:15 pmHo Chi Minh City

33h 04m

2 stops

PDX6:19 pmPortland

$1,093

United Airlines

Aug 14

PDX7:00 amPortland

27h 15m

2 stops

SGN12:15 amHo Chi Minh City

Sep 4

SGN7:00 amHo Chi Minh City

25h 19m

3 stops

PDX6:19 pmPortland

$1,094

Korean Air flights from Portland to Vietnam

Our best Korean Air deals on Portland to Vietnam flight tickets

Korean Air

Sep 27

PDX5:35 pmPortland

39h 40m

2 stops

SGN11:15 pmHo Chi Minh City

Mar 2

SGN8:00 amHo Chi Minh City

23h 34m

2 stops

PDX4:34 pmPortland

$1,099

Korean Air

Sep 26

PDX9:44 amPortland

22h 26m

2 stops

SGN10:10 pmHo Chi Minh City

Mar 18

SGN8:00 amHo Chi Minh City

19h 18m

2 stops

PDX1:18 pmPortland

$1,118

Korean Air

Sep 25

PDX9:44 amPortland

36h 51m

2 stops

SGN12:35 pmHo Chi Minh City

Mar 18

SGN8:00 amHo Chi Minh City

22h 34m

2 stops

PDX4:34 pmPortland

$1,119

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandHanoi

PDX - HAN

PDXHAN

Portland

Tue 11/10

10:45 am-6:55 am

2 stops29h 10m

Hanoi Noibai

Fri 11/20

7:10 pm-6:33 pm

2 stops38h 23m

$931

PortlandHanoi

PDX - HAN

PDXHAN

Portland

Mon 10/12

7:06 am-1:55 pm

2 stops40h 49m

Hanoi Noibai

Mon 10/26

7:10 pm-5:00 pm

2 stops35h 50m

$945

Quickest round-trip

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Wed 9/9

5:41 pm-2:25 pm

2 stops30h 44m

Ho Chi Minh City

Sat 9/19

7:30 am-2:41 pm

2 stops21h 11m

$972

PortlandHanoi

PDX - HAN

PDXHAN

Portland

Sat 11/7

8:05 am-6:55 am

2 stops31h 50m

Hanoi Noibai

Tue 11/17

8:55 am-4:50 pm

2 stops46h 55m

$973

PortlandHanoi

PDX - HAN

PDXHAN

Portland

Sun 7/19

7:05 am-10:35 am

2 stops37h 30m

Hanoi Noibai

Fri 9/18

11:10 pm-5:10 pm

2 stops32h 00m

$1,136

PortlandHanoi

PDX - HAN

PDXHAN

Portland

Sun 11/29

7:10 am-9:45 pm

2 stops23h 35m

Hanoi Noibai

Wed 12/2

12:20 pm-4:34 pm

2 stops43h 14m

$1,139

PortlandDa Nang

PDX - DAD

PDXDAD

Portland

Tue 7/21

3:30 pm-1:10 pm

2 stops31h 40m

Da Nang

Mon 8/31

4:30 pm-9:07 am

2 stops30h 37m

$1,150

PortlandDa Nang

PDX - DAD

PDXDAD

Portland

Tue 7/21

5:30 pm-1:10 pm

2 stops29h 40m

Da Nang

Mon 8/31

4:30 pm-9:25 am

2 stops30h 55m

$1,154

PortlandDa Nang

PDX - DAD

PDXDAD

Portland

Mon 10/26

7:00 am-9:30 pm

2 stops24h 30m

Da Nang

Thu 10/29

3:45 pm-10:19 pm

2 stops44h 34m

$1,219

PortlandNha Trang

PDX - CXR

PDXCXR

Portland

Tue 11/17

1:00 pm-9:45 pm

2 stops41h 45m

Nha Trang Cam Ranh

Wed 1/20

11:10 pm-4:34 pm

2 stops32h 24m

$1,415

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 April is, on average, the cheapest month to fly to Vietnam from Portland, with most prices found around $147. If you don’t want to visit Vietnam in April, then you should wait until June to fly from Portland, when ticket prices are also cheap, with an average price of $471.

How far in advance should I book a flight from Portland 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 $1,031 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 $867 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

Fastest flight time	20h 20m
Direct flights	None

The fastest flight from Portland to Vietnam takes 20h 20m

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

Search flight deals

Frequently asked questions about flying from Portland to Vietnam

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 July 2026, 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
Japan Airlines	PriceFrom $510	Free Cancellation	Rating 8.3 1,853 reviews	Search Japan Airlines flights
Korean Air	PriceFrom $637	Free Cancellation	Rating 8.4 1,220 reviews	Search Korean Air flights
Singapore Airlines	PriceFrom $691	Free Cancellation	Rating 8.2 1,557 reviews	Search Singapore Airlines flights
STARLUX Airlines	PriceFrom $721	Free Cancellation	Rating 8.9 352 reviews	Search STARLUX Airlines flights
ANA	PriceFrom $742	Free Cancellation	Rating 8.3 1,260 reviews	Search ANA flights
United Airlines	PriceFrom $762	Free Cancellation	Rating 7.4 9,910 reviews	Search United Airlines flights
Cathay Pacific	PriceFrom $773	Free Cancellation	Rating 7.6 1,400 reviews	Search Cathay Pacific flights
Delta	PriceFrom $783	Free Cancellation	Rating 7.8 8,454 reviews	Search Delta flights
China Airlines	PriceFrom $807	Free Cancellation	Rating 8.3 831 reviews	Search China Airlines flights
EVA Air	PriceFrom $881	Free Cancellation	Rating 8.5 1,482 reviews	Search EVA Air 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.