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

Philippine Airlines, United Airlines, and Cathay Pacific 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 35% of people opting to fly with this airline when traveling to Vietnam. Keep in mind that there are 10 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 January 2026, there are 10 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.

$356 Cheap Flights from Portland to Vietnam in 2026

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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.

7:15 am - 11:10 am

PDX

HAN

36h 55m

2 stops

12:20 pm - 1:09 pm

HAN

PDX

38h 49m

2 stops

$786Korean Air

Thu, Mar 5 - Wed, Mar 11

5:45 pm - 4:55 pm

PDX

SGN

33h 10m

2 stops

11:30 am - 10:53 pm

SGN

PDX

25h 23m

2 stops

$788STARLUX Airlines

Mon, Mar 30 - Wed, Apr 29

3:30 pm - 10:05 pm

PDX

SGN

40h 35m

3 stops

11:15 pm - 8:45 pm

SGN

PDX

35h 30m

2 stops

$789United Airlines

Wed, Jul 15 - Mon, Aug 31

2:47 pm - 10:30 am

PDX

SGN

29h 43m

2 stops

6:05 pm - 9:50 am

SGN

PDX

29h 45m

2 stops

$792Multiple Airlines

Mon, Mar 16 - Wed, Apr 15

9:09 am - 9:45 pm

PDX

HAN

22h 36m

2 stops

11:05 pm - 1:09 pm

HAN

PDX

28h 04m

2 stops

$794Korean Air

Sun, Mar 8 - Tue, Mar 10

5:30 am - 12:15 am

PDX

SGN

28h 45m

2 stops

11:15 pm - 9:08 am

SGN

PDX

47h 53m

2 stops

$795United Airlines

Thu, Jul 23 - Thu, Aug 27

5:46 pm - 9:40 am

PDX

SGN

25h 54m

2 stops

5:30 pm - 11:03 pm

SGN

PDX

19h 33m

2 stops

$819China Airlines

Sun, May 17 - Sun, May 24

9:20 am - 11:10 am

PDX

HAN

34h 50m

2 stops

11:05 pm - 8:58 pm

HAN

PDX

35h 53m

2 stops

$819Delta

Wed, Mar 4 - Tue, Mar 10

9:19 pm - 5:15 pm

PDX

DAD

29h 56m

2 stops

6:45 pm - 9:38 pm

DAD

PDX

40h 53m

2 stops

$959STARLUX Airlines

Tue, Mar 10 - Mon, Apr 13

7:15 am - 9:35 pm

PDX

CXR

23h 20m

2 stops

11:05 pm - 4:43 pm

CXR

PDX

31h 38m

2 stops

$1,704Delta

Fri, Mar 6 - Fri, Mar 27

STARLUX Airlines flights from Portland to Vietnam

Our best STARLUX Airlines deals on Portland to Vietnam flight tickets

STARLUX Airlines

Mar 30

PDX5:45 pmPortland

33h 10m

2 stops

SGN4:55 pmHo Chi Minh City

Apr 29

SGN11:30 amHo Chi Minh City

25h 23m

2 stops

PDX10:53 pmPortland

$788

STARLUX Airlines

Mar 7

PDX3:52 pmPortland

27h 38m

2 stops

HAN10:30 amHanoi Noibai

Mar 12

HAN6:25 pmHanoi Noibai

42h 16m

2 stops

PDX10:41 pmPortland

$874

STARLUX Airlines

Mar 6

PDX3:52 pmPortland

27h 38m

2 stops

HAN10:30 amHanoi Noibai

Mar 13

HAN11:30 amHanoi Noibai

25h 11m

2 stops

PDX10:41 pmPortland

$878

United Airlines flights from Portland to Vietnam

Our best United Airlines deals on Portland to Vietnam flight tickets

United Airlines

Jul 23

PDX5:30 amPortland

28h 45m

2 stops

SGN12:15 amHo Chi Minh City

Aug 27

SGN11:15 pmHo Chi Minh City

47h 53m

2 stops

PDX9:08 amPortland

$795

United Airlines

Apr 6

PDX7:14 pmPortland

36h 51m

3 stops

SGN10:05 pmHo Chi Minh City

Apr 27

SGN7:00 amHo Chi Minh City

31h 41m

2 stops

PDX12:41 amPortland

$799

United Airlines

Apr 13

PDX7:14 pmPortland

36h 51m

3 stops

SGN10:05 pmHo Chi Minh City

May 7

SGN7:00 amHo Chi Minh City

31h 59m

3 stops

PDX12:59 amPortland

$807

Fly from

Fly to

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

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Mon 3/30

5:45 pm-4:55 pm

2 stops33h 10m

Ho Chi Minh City

Wed 4/29

11:30 am-10:53 pm

2 stops25h 23m

$788

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Wed 7/15

3:30 pm-10:05 pm

3 stops40h 35m

Ho Chi Minh City

Mon 8/31

11:15 pm-8:45 pm

2 stops35h 30m

$789

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Mon 3/16

2:47 pm-10:30 am

2 stops29h 43m

Ho Chi Minh City

Wed 4/15

6:05 pm-9:50 am

2 stops29h 45m

$792

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 7/23

5:30 am-12:15 am

2 stops28h 45m

Ho Chi Minh City

Thu 8/27

11:15 pm-9:08 am

2 stops47h 53m

$795

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Sun 5/17

5:46 pm-9:40 am

2 stops25h 54m

Ho Chi Minh City

Sun 5/24

5:30 pm-11:03 pm

2 stops19h 33m

$819

PortlandHanoi

PDX - HAN

PDXHAN

Portland

Wed 3/4

9:20 am-11:10 am

2 stops34h 50m

Hanoi Noibai

Tue 3/10

11:05 pm-8:58 pm

2 stops35h 53m

$819

PortlandDa Nang

PDX - DAD

PDXDAD

Portland

Tue 3/10

9:19 pm-5:15 pm

2 stops29h 56m

Da Nang

Mon 4/13

6:45 pm-9:38 pm

2 stops40h 53m

$959

PortlandNha Trang

PDX - CXR

PDXCXR

Portland

Fri 3/6

7:15 am-9:35 pm

2 stops23h 20m

Nha Trang Cam Ranh

Fri 3/27

11:05 pm-4:43 pm

2 stops31h 38m

$1,704

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 January is, on average, the cheapest month to fly to Vietnam from Portland, with most prices found around $843. If you don’t want to visit Vietnam in January, then you should wait until February to fly from Portland, when ticket prices are also cheap, with an average price of $869.

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 $1,011 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 $832 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 50m
Direct flights	None

The fastest flight from Portland to Vietnam takes 20h 50m

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 January 2026, there are 10 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
Delta	PriceFrom $569	Free Cancellation	Rating 7.9 8,128 reviews	Search Delta flights
Korean Air	PriceFrom $637	Free Cancellation	Rating 8.4 1,188 reviews	Search Korean Air flights
STARLUX Airlines	PriceFrom $746	Free Cancellation	Rating 8.9 268 reviews	Search STARLUX Airlines flights
ANA	PriceFrom $773	Free Cancellation	Rating 8.4 1,078 reviews	Search ANA flights
Japan Airlines	PriceFrom $782	Free Cancellation	Rating 8.3 1,691 reviews	Search Japan Airlines flights
United Airlines	PriceFrom $791	Free Cancellation	Rating 7.4 9,215 reviews	Search United Airlines flights
China Airlines	PriceFrom $810	Free Cancellation	Rating 8.3 802 reviews	Search China Airlines flights
EVA Air	PriceFrom $883	Free Cancellation	Rating 8.4 1,334 reviews	Search EVA Air flights
Cathay Pacific	PriceFrom $907	Free Cancellation	Rating 7.6 1,148 reviews	Search Cathay Pacific flights
Vietnam Airlines	PriceFrom $1,031	Free Cancellation	Rating 7.6 224 reviews	Search Vietnam Airlines 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.