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

United Airlines, ANA, and Korean Air 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 37% 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 December 2025, 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.

$407 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

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:45 am - 11:05 pm

PDX

HAN

24h 20m2 stops

12:25 am - 2:46 pm

HAN

PDX

29h 21m2 stops

$715ANA

Tue, Jan 20 - Mon, Feb 2

7:45 am - 11:05 pm

PDX

HAN

24h 20m2 stops

12:25 am - 2:46 pm

HAN

PDX

29h 21m2 stops

$740ANA

Tue, Jan 27 - Mon, Feb 2

7:25 am - 12:15 am

PDX

SGN

26h 50m2 stops

11:15 pm - 4:33 pm

SGN

PDX

31h 18m2 stops

$792United Airlines

Sun, Apr 12 - Tue, May 12

6:30 am - 10:40 am

PDX

HAN

38h 10m2 stops

12:00 pm - 10:22 pm

HAN

PDX

24h 22m2 stops

$805Korean Air

Thu, Apr 16 - Mon, Apr 20

7:25 am - 12:15 am

PDX

SGN

26h 50m2 stops

7:00 am - 8:47 pm

SGN

PDX

27h 47m3 stops

$808United Airlines

Sun, Apr 12 - Tue, May 12

3:50 pm - 10:55 pm

PDX

SGN

40h 05m2 stops

7:30 am - 10:59 pm

SGN

PDX

30h 29m2 stops

$812United Airlines

Thu, Jan 15 - Thu, Feb 19

1:40 pm - 10:55 pm

PDX

SGN

42h 15m3 stops

7:00 am - 8:33 pm

SGN

PDX

27h 33m2 stops

$813United Airlines

Tue, Mar 3 - Fri, Apr 3

5:35 pm - 4:50 pm

PDX

SGN

32h 15m2 stops

11:00 am - 11:44 pm

SGN

PDX

27h 44m2 stops

$821China Airlines

Mon, Jan 26 - Thu, Mar 5

5:10 pm - 11:10 am

PDX

HAN

51h 00m2 stops

12:20 pm - 9:23 pm

HAN

PDX

48h 03m2 stops

$860Korean Air

Sun, Feb 22 - Sun, Mar 8

1:36 pm - 5:15 pm

PDX

DAD

36h 39m2 stops

6:25 pm - 10:41 pm

DAD

PDX

42h 16m2 stops

$936STARLUX Airlines

Sun, Mar 1 - Sun, Mar 15

EVA Air flights from Portland to Vietnam

Our best EVA Air deals on Portland to Vietnam flight tickets

EVA Air

Feb 5

PDX7:20 amPortland

23h 40m

2 stops

SGN10:00 pmHo Chi Minh City

Mar 18

SGN1:55 amHo Chi Minh City

32h 43m

2 stops

PDX8:38 pmPortland

$857

Find similar

EVA Air

Feb 8

PDX5:51 pmPortland

37h 09m

2 stops

SGN10:00 pmHo Chi Minh City

Mar 8

SGN1:55 amHo Chi Minh City

25h 42m

2 stops

PDX1:37 pmPortland

$864

Find similar

EVA Air

Feb 17

PDX7:05 amPortland

23h 55m

2 stops

SGN10:00 pmHo Chi Minh City

Mar 2

SGN1:55 amHo Chi Minh City

26h 42m

2 stops

PDX1:37 pmPortland

$883

Find similar

Singapore Airlines flights from Portland to Vietnam

Our best Singapore Airlines deals on Portland to Vietnam flight tickets

Singapore Airlines

Feb 1

PDX2:57 pmPortland

33h 03m

2 stops

SGN3:00 pmHo Chi Minh City

Mar 10

SGN12:15 pmHo Chi Minh City

35h 20m

2 stops

PDX9:35 amPortland

$834

Find similar

Singapore Airlines

Jan 26

PDX2:57 pmPortland

33h 03m

2 stops

SGN3:00 pmHo Chi Minh City

Mar 4

SGN7:50 pmHo Chi Minh City

29h 56m

2 stops

PDX10:46 amPortland

$838

Find similar

Singapore Airlines

Mar 13

PDX5:39 pmPortland

31h 21m

2 stops

SGN3:00 pmHo Chi Minh City

Apr 6

SGN7:40 pmHo Chi Minh City

34h 48m

2 stops

PDX4:28 pmPortland

$840

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandHanoi

PDX - HAN

PDXHAN

Portland

Tue 1/20

7:45 am-11:05 pm

2 stops24h 20m

Hanoi Noibai

Mon 2/2

12:25 am-2:46 pm

2 stops29h 21m

$715

PortlandHanoi

PDX - HAN

PDXHAN

Portland

Tue 1/27

7:45 am-11:05 pm

2 stops24h 20m

Hanoi Noibai

Mon 2/2

12:25 am-2:46 pm

2 stops29h 21m

$740

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Sun 4/12

7:25 am-12:15 am

2 stops26h 50m

Ho Chi Minh City

Tue 5/12

11:15 pm-4:33 pm

2 stops31h 18m

$792

PortlandHanoi

PDX - HAN

PDXHAN

Portland

Thu 4/16

6:30 am-10:40 am

2 stops38h 10m

Hanoi Noibai

Mon 4/20

12:00 pm-10:22 pm

2 stops24h 22m

$805

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Sun 4/12

7:25 am-12:15 am

2 stops26h 50m

Ho Chi Minh City

Tue 5/12

7:00 am-8:47 pm

3 stops27h 47m

$808

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Thu 1/15

3:50 pm-10:55 pm

2 stops40h 05m

Ho Chi Minh City

Thu 2/19

7:30 am-10:59 pm

2 stops30h 29m

$812

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Tue 3/3

1:40 pm-10:55 pm

3 stops42h 15m

Ho Chi Minh City

Fri 4/3

7:00 am-8:33 pm

2 stops27h 33m

$813

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Mon 1/26

5:35 pm-4:50 pm

2 stops32h 15m

Ho Chi Minh City

Thu 3/5

11:00 am-11:44 pm

2 stops27h 44m

$821

PortlandHanoi

PDX - HAN

PDXHAN

Portland

Sun 2/22

5:10 pm-11:10 am

2 stops51h 00m

Hanoi Noibai

Sun 3/8

12:20 pm-9:23 pm

2 stops48h 03m

$860

PortlandDa Nang

PDX - DAD

PDXDAD

Portland

Sun 3/1

1:36 pm-5:15 pm

2 stops36h 39m

Da Nang

Sun 3/15

6:25 pm-10:41 pm

2 stops42h 16m

$936

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 $860. 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 $863.

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 $1,013 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 $833 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	22h 25m
Direct flights	None

The fastest flight from Portland to Vietnam takes 22h 25m

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 December 2025, 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 $631	Free Cancellation	Rating 7.9 8,010 reviews	Search Delta flights
STARLUX Airlines	PriceFrom $769	Free Cancellation	Rating 8.9 243 reviews	Search STARLUX Airlines flights
Japan Airlines	PriceFrom $782	Free Cancellation	Rating 8.3 1,658 reviews	Search Japan Airlines flights
ANA	PriceFrom $788	Free Cancellation	Rating 8.4 1,023 reviews	Search ANA flights
Korean Air	PriceFrom $789	Free Cancellation	Rating 8.4 1,186 reviews	Search Korean Air flights
United Airlines	PriceFrom $795	Free Cancellation	Rating 7.4 9,094 reviews	Search United Airlines flights
China Airlines	PriceFrom $807	Free Cancellation	Rating 8.3 791 reviews	Search China Airlines flights
EVA Air	PriceFrom $883	Free Cancellation	Rating 8.5 1,297 reviews	Search EVA Air flights
Cathay Pacific	PriceFrom $907	Free Cancellation	Rating 7.6 1,095 reviews	Search Cathay Pacific flights
Vietnam Airlines	PriceFrom $1,025	Free Cancellation	Rating 7.6 215 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.