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Cheap flights from Portland to Vietnam from $415

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Vietnam departing on 10/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Portland to Vietnam

Cheap round-trip flights

Delta Logo
8:55 am - 10:05 pmPDX-SGN
23h 10m2 stops
Delta Logo
7:35 am - 11:52 pmSGN-PDX
30h 17m2 stops
$784Delta
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Wed, Sep 10 - Thu, Sep 18
United Airlines Logo
1:35 pm - 10:55 pmPDX-SGN
42h 20m3 stops
United Airlines Logo
7:30 am - 8:05 pmSGN-PDX
26h 35m2 stops
$787United Airlines
Find Deal
Wed, Jan 21 - Sat, Mar 21
Korean Air Logo
7:15 am - 10:15 pmPDX-SGN
24h 00m2 stops
Korean Air Logo
8:05 am - 1:19 pmSGN-PDX
20h 14m2 stops
$790Korean Air
Find Deal
Wed, Nov 26 - Tue, Dec 16
Korean Air Logo
6:14 am - 9:35 pmPDX-HAN
25h 21m2 stops
Korean Air Logo
11:10 pm - 10:39 pmHAN-PDX
37h 29m2 stops
$806Korean Air
Find Deal
Sat, Sep 6 - Sat, Sep 20
China Airlines Logo
8:37 pm - 9:40 amPDX-SGN
23h 03m2 stops
China Airlines Logo
5:30 pm - 10:47 pmSGN-PDX
19h 17m2 stops
$806China Airlines
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Tue, Sep 23 - Tue, Sep 30
STARLUX Airlines Logo
7:28 pm - 10:30 amPDX-SGN
24h 02m2 stops
STARLUX Airlines Logo
5:50 pm - 6:53 pmSGN-PDX
40h 03m2 stops
$822STARLUX Airlines
Find Deal
Fri, Jan 2 - Thu, Jan 15
STARLUX Airlines Logo
7:41 pm - 10:15 amPDX-SGN
24h 34m2 stops
STARLUX Airlines Logo
6:25 pm - 10:45 pmSGN-PDX
42h 20m2 stops
$830STARLUX Airlines
Find Deal
Wed, Oct 8 - Wed, Oct 15
ANA Logo
7:45 am - 11:05 pmPDX-HAN
48h 20m2 stops
ANA Logo
12:25 am - 6:36 pmHAN-PDX
33h 11m2 stops
$838ANA
Find Deal
Tue, Feb 10 - Mon, Mar 2
China Airlines Logo
5:30 pm - 10:00 amPDX-SGN
49h 30m3 stops
China Airlines Logo
5:50 pm - 6:18 amSGN-PDX
27h 28m2 stops
$839China Airlines
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Tue, Jan 20 - Tue, Mar 3
ANA Logo
6:00 am - 11:05 pmPDX-HAN
50h 05m2 stops
ANA Logo
12:25 am - 2:47 pmHAN-PDX
29h 22m2 stops
$865ANA
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Sat, Nov 29 - Sat, Dec 13

China Airlines flights from Portland to Vietnam

Our best China Airlines deals on Portland to Vietnam flight tickets
China Airlines
Sep 23
PDX8:37 pmPortland
23h 03m
2 stops
SGN9:40 amHo Chi Minh City
Sep 30
SGN5:30 pmHo Chi Minh City
19h 17m
2 stops
PDX10:47 pmPortland
$806
Find similar
China Airlines
Aug 31
PDX4:46 pmPortland
26h 54m
2 stops
SGN9:40 amHo Chi Minh City
Sep 27
SGN10:50 amHo Chi Minh City
25h 57m
2 stops
PDX10:47 pmPortland
$826
Find similar
China Airlines
Sep 1
PDX8:37 pmPortland
29h 43m
2 stops
SGN4:20 pmHo Chi Minh City
Oct 1
SGN10:50 amHo Chi Minh City
22h 20m
2 stops
PDX7:10 pmPortland
$833
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United Airlines flights from Portland to Vietnam

Our best United Airlines deals on Portland to Vietnam flight tickets
United Airlines
Jan 21
PDX1:35 pmPortland
42h 20m
3 stops
SGN10:55 pmHo Chi Minh City
Mar 21
SGN7:30 amHo Chi Minh City
26h 35m
2 stops
PDX8:05 pmPortland
$787
Find similar
United Airlines
Jan 30
PDX7:45 amPortland
24h 10m
2 stops
SGN10:55 pmHo Chi Minh City
Feb 16
SGN11:05 pmHo Chi Minh City
40h 14m
3 stops
PDX12:19 amPortland
$788
Find similar
United Airlines
Jan 21
PDX5:34 amPortland
26h 21m
2 stops
SGN10:55 pmHo Chi Minh City
Mar 21
SGN7:30 amHo Chi Minh City
26h 35m
2 stops
PDX8:05 pmPortland
$791
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momondo Fare Finder

 
Customize your flight search to find flights from Portland to Vietnam that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 25, 2025.
Use the filters below to find and compare flights from Portland to Vietnam that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Wed 9/10

8:55 am-10:05 pm

2 stops23h 10m

Ho Chi Minh City

Thu 9/18

7:35 am-11:52 pm

2 stops30h 17m

$784

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Wed 1/21

1:35 pm-10:55 pm

3 stops42h 20m

Ho Chi Minh City

Sat 3/21

7:30 am-8:05 pm

2 stops26h 35m

$787

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Wed 11/26

7:15 am-10:15 pm

2 stops24h 00m

Ho Chi Minh City

Tue 12/16

8:05 am-1:19 pm

2 stops20h 14m

$790

PortlandHanoi

PDX - HAN

PDXHAN

Portland

Sat 9/6

6:14 am-9:35 pm

2 stops25h 21m

Hanoi Noibai

Sat 9/20

11:10 pm-10:39 pm

2 stops37h 29m

$806

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Tue 9/23

8:37 pm-9:40 am

2 stops23h 03m

Ho Chi Minh City

Tue 9/30

5:30 pm-10:47 pm

2 stops19h 17m

$806

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Fri 1/2

7:28 pm-10:30 am

2 stops24h 02m

Ho Chi Minh City

Thu 1/15

5:50 pm-6:53 pm

2 stops40h 03m

$822

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Wed 10/8

7:41 pm-10:15 am

2 stops24h 34m

Ho Chi Minh City

Wed 10/15

6:25 pm-10:45 pm

2 stops42h 20m

$830

PortlandHanoi

PDX - HAN

PDXHAN

Portland

Tue 2/10

7:45 am-11:05 pm

2 stops48h 20m

Hanoi Noibai

Mon 3/2

12:25 am-6:36 pm

2 stops33h 11m

$838

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Tue 1/20

5:30 pm-10:00 am

3 stops49h 30m

Ho Chi Minh City

Tue 3/3

5:50 pm-6:18 am

2 stops27h 28m

$839

PortlandHanoi

PDX - HAN

PDXHAN

Portland

Sat 11/29

6:00 am-11:05 pm

2 stops50h 05m

Hanoi Noibai

Sat 12/13

12:25 am-2:47 pm

2 stops29h 22m

$865

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Vietnam from

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

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 $902. If you don’t want to visit Vietnam in September, then you should wait until August to fly from Portland, when ticket prices are also cheap, with an average price of $925.

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 $1,083 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 $881 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?

  • 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 AirlinesPriceFrom $743Free CancellationRating
8.9
211 reviews
Search STARLUX Airlines flights
Singapore AirlinesPriceFrom $779Free CancellationRating
8.1
1,352 reviews
Search Singapore Airlines flights
DeltaPriceFrom $784Free CancellationRating
7.9
7,981 reviews
Search Delta flights
ANAPriceFrom $788Free CancellationRating
8.4
939 reviews
Search ANA flights
United AirlinesPriceFrom $795Free CancellationRating
7.4
8,940 reviews
Search United Airlines flights
Korean AirPriceFrom $800Free CancellationRating
8.4
1,133 reviews
Search Korean Air flights
China AirlinesPriceFrom $810Free CancellationRating
8.3
765 reviews
Search China Airlines flights
Japan AirlinesPriceFrom $883Free CancellationRating
8.3
1,552 reviews
Search Japan Airlines flights
EVA AirPriceFrom $937Free CancellationRating
8.4
1,234 reviews
Search EVA Air flights
Cathay PacificPriceFrom $995Free CancellationRating
7.6
975 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.

An easier way to manage your Vietnam trip

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Find better results for your trip to Vietnam

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