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

Japan Airlines, United Airlines, and Delta 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 48% 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 September 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.

$423 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

4:00 pm - 5:15 pmPDX-DAD

34h 15m2 stops

6:25 pm - 12:03 amDAD-PDX

43h 38m2 stops

$769STARLUX Airlines

Find Deal

vie., mar. 6 - jue., mar. 19

6:29 am - 11:20 pmPDX-SGN

25h 51m2 stops

2:05 pm - 4:25 pmSGN-PDX

41h 20m2 stops

$790Korean Air

Find Deal

mié., nov. 26 - vie., dic. 19

7:38 pm - 10:55 pmPDX-SGN

36h 17m3 stops

11:05 pm - 10:46 pmSGN-PDX

38h 41m2 stops

$793United Airlines

Find Deal

mié., nov. 26 - vie., dic. 19

5:30 pm - 5:15 pmPDX-DAD

32h 45m2 stops

6:25 pm - 6:53 pmDAD-PDX

39h 28m2 stops

$793STARLUX Airlines

Find Deal

dom., feb. 22 - vie., mar. 6

3:54 pm - 10:55 pmPDX-SGN

40h 01m2 stops

11:05 pm - 10:52 pmSGN-PDX

38h 47m2 stops

$797United Airlines

Find Deal

vie., nov. 7 - mié., dic. 3

5:30 am - 9:45 pmPDX-HAN

25h 15m2 stops

12:20 pm - 4:45 pmHAN-PDX

19h 25m2 stops

$800Delta

Find Deal

vie., nov. 7 - mar., nov. 11

6:00 am - 9:45 pmPDX-HAN

24h 45m2 stops

12:20 pm - 1:18 pmHAN-PDX

39h 58m2 stops

$806Korean Air

Find Deal

mié., nov. 5 - jue., nov. 13

7:45 am - 12:15 amPDX-SGN

26h 30m2 stops

7:00 am - 6:33 pmSGN-PDX

25h 33m2 stops

$811ANA

Find Deal

vie., sep. 19 - vie., sep. 26

7:15 am - 11:15 pmPDX-SGN

26h 00m2 stops

7:35 am - 11:52 pmSGN-PDX

30h 17m2 stops

$863Delta

Find Deal

sáb., sep. 27 - mar., sep. 30

7:45 am - 11:05 pmPDX-HAN

24h 20m2 stops

12:25 am - 2:48 pmHAN-PDX

29h 23m2 stops

$1,060ANA

Find Deal

mié., feb. 11 - mié., feb. 18

United Airlines flights from Portland to Vietnam

Our best United Airlines deals on Portland to Vietnam flight tickets

United Airlines

Nov 26

PDX7:38 pmPortland

36h 17m

3 stops

SGN10:55 pmHo Chi Minh City

Dec 19

SGN11:05 pmHo Chi Minh City

38h 41m

2 stops

PDX10:46 pmPortland

$793

Find similar

United Airlines

Nov 7

PDX3:54 pmPortland

40h 01m

2 stops

SGN10:55 pmHo Chi Minh City

Dec 3

SGN11:05 pmHo Chi Minh City

38h 47m

2 stops

PDX10:52 pmPortland

$797

Find similar

United Airlines

Sep 17

PDX5:30 amPortland

28h 45m

2 stops

SGN12:15 amHo Chi Minh City

Sep 19

SGN11:15 pmHo Chi Minh City

47h 36m

2 stops

PDX8:51 amPortland

$799

Find similar

China Airlines flights from Portland to Vietnam

Our best China Airlines deals on Portland to Vietnam flight tickets

China Airlines

Oct 18

PDX2:30 pmPortland

35h 50m

2 stops

SGN4:20 pmHo Chi Minh City

Oct 25

SGN5:30 pmHo Chi Minh City

26h 47m

2 stops

PDX6:17 amPortland

$795

Find similar

China Airlines

Oct 1

PDX7:21 amPortland

36h 19m

2 stops

SGN9:40 amHo Chi Minh City

Oct 30

SGN11:00 amHo Chi Minh City

33h 17m

2 stops

PDX6:17 amPortland

$822

Find similar

China Airlines

Oct 28

PDX1:38 pmPortland

29h 32m

2 stops

DAD9:10 amDa Nang

Nov 4

DAD5:35 pmDa Nang

21h 02m

2 stops

PDX11:37 pmPortland

$850

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandDa Nang

PDX - DAD

PDXDAD

Portland

vie. 3/6

4:00 pm-5:15 pm

2 stops34h 15m

Da Nang

jue. 3/19

6:25 pm-12:03 am

2 stops43h 38m

$769

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

mié. 11/26

6:29 am-11:20 pm

2 stops25h 51m

Ho Chi Minh City

vie. 12/19

2:05 pm-4:25 pm

2 stops41h 20m

$790

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

mié. 11/26

7:38 pm-10:55 pm

3 stops36h 17m

Ho Chi Minh City

vie. 12/19

11:05 pm-10:46 pm

2 stops38h 41m

$793

PortlandDa Nang

PDX - DAD

PDXDAD

Portland

dom. 2/22

5:30 pm-5:15 pm

2 stops32h 45m

Da Nang

vie. 3/6

6:25 pm-6:53 pm

2 stops39h 28m

$793

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

vie. 11/7

3:54 pm-10:55 pm

2 stops40h 01m

Ho Chi Minh City

mié. 12/3

11:05 pm-10:52 pm

2 stops38h 47m

$797

PortlandHanoi

PDX - HAN

PDXHAN

Portland

vie. 11/7

5:30 am-9:45 pm

2 stops25h 15m

Hanoi Noibai

mar. 11/11

12:20 pm-4:45 pm

2 stops19h 25m

$800

PortlandHanoi

PDX - HAN

PDXHAN

Portland

mié. 11/5

6:00 am-9:45 pm

2 stops24h 45m

Hanoi Noibai

jue. 11/13

12:20 pm-1:18 pm

2 stops39h 58m

$806

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

vie. 9/19

7:45 am-12:15 am

2 stops26h 30m

Ho Chi Minh City

vie. 9/26

7:00 am-6:33 pm

2 stops25h 33m

$811

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

sáb. 9/27

7:15 am-11:15 pm

2 stops26h 00m

Ho Chi Minh City

mar. 9/30

7:35 am-11:52 pm

2 stops30h 17m

$863

PortlandHanoi

PDX - HAN

PDXHAN

Portland

mié. 2/11

7:45 am-11:05 pm

2 stops24h 20m

Hanoi Noibai

mié. 2/18

12:25 am-2:48 pm

2 stops29h 23m

$1,060

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 $892. If you don’t want to visit Vietnam in September, then you should wait until October to fly from Portland, when ticket prices are also cheap, with an average price of $914.

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 $1,076 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 $925 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 September 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 $743	Free Cancellation	Rating 8.9 211 reviews	Search STARLUX Airlines flights
Singapore Airlines	PriceFrom $779	Free Cancellation	Rating 8.1 1,365 reviews	Search Singapore Airlines flights
Delta	PriceFrom $784	Free Cancellation	Rating 7.9 7,954 reviews	Search Delta flights
ANA	PriceFrom $788	Free Cancellation	Rating 8.4 961 reviews	Search ANA flights
Korean Air	PriceFrom $789	Free Cancellation	Rating 8.4 1,139 reviews	Search Korean Air flights
United Airlines	PriceFrom $799	Free Cancellation	Rating 7.4 8,929 reviews	Search United Airlines flights
China Airlines	PriceFrom $810	Free Cancellation	Rating 8.3 767 reviews	Search China Airlines flights
Japan Airlines	PriceFrom $883	Free Cancellation	Rating 8.3 1,559 reviews	Search Japan Airlines flights
EVA Air	PriceFrom $903	Free Cancellation	Rating 8.4 1,236 reviews	Search EVA Air flights
Cathay Pacific	PriceFrom $941	Free Cancellation	Rating 7.6 993 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.