When did momondo last update prices for flights from Portland Airport to Vietnam?

Prices for flights from Portland Airport to Vietnam refresh daily.

How many operators does momondo search for flights from Portland Airport to Vietnam?

As of June 2026, there is 1 operator 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 necessary travel and health documents for your Vietnam trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$1,283 Cheap Flights from Portland, Maine to Vietnam in 2026

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Find the cheapest flights from Portland, Maine to Vietnam

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 5:25 am

PWM

SGN

36h 25m

2 stops

11:15 pm - 11:52 pm

SGN

PWM

35h 37m

2 stops

$1,283Japan Airlines

Thu, Sep 10 - Mon, Sep 14

6:00 am - 10:50 pm

PWM

SGN

53h 50m

2 stops

12:05 pm - 12:14 am

SGN

PWM

47h 09m

2 stops

$1,537Asiana Airlines

Sun, Aug 23 - Sat, Aug 29

6:00 am - 4:20 pm

PWM

SGN

47h 20m

2 stops

10:50 am - 12:21 pm

SGN

PWM

36h 31m

2 stops

$1,552China Airlines

Sun, Aug 23 - Sat, Aug 29

6:00 am - 11:00 am

PWM

SGN

42h 00m

2 stops

12:10 am - 12:21 pm

SGN

PWM

47h 11m

2 stops

$1,608Multiple Airlines

Sun, Aug 23 - Fri, Aug 28

6:00 am - 9:55 pm

PWM

SGN

28h 55m

2 stops

11:15 pm - 11:30 pm

SGN

PWM

35h 15m

2 stops

$1,619ANA

Sat, Jul 18 - Sat, Jul 25

6:00 am - 9:55 pm

PWM

SGN

28h 55m

2 stops

7:00 am - 2:30 pm

SGN

PWM

42h 30m

3 stops

$1,634United Airlines

Sat, Jul 18 - Sat, Jul 25

5:15 am - 10:05 pm

PWM

SGN

29h 50m

3 stops

11:15 pm - 9:23 pm

SGN

PWM

33h 08m

2 stops

$1,845United Airlines

Thu, Sep 10 - Mon, Sep 14

5:15 am - 10:05 pm

PWM

SGN

29h 50m

3 stops

11:15 pm - 9:23 pm

SGN

PWM

33h 08m

2 stops

$1,846United Airlines

Thu, Sep 10 - Mon, Sep 14

5:52 am - 10:05 pm

PWM

SGN

29h 13m

3 stops

11:15 pm - 7:24 pm

SGN

PWM

31h 09m

2 stops

$1,875United Airlines

Sun, Aug 23 - Sat, Aug 29

5:52 am - 10:05 pm

PWM

SGN

29h 13m

3 stops

11:15 pm - 7:24 pm

SGN

PWM

31h 09m

2 stops

$1,876United Airlines

Sun, Aug 23 - Sat, Aug 29

United Airlines flights from Portland, Maine to Vietnam

Our best United Airlines deals on Portland, Maine to Vietnam flight tickets

United Airlines

Jul 18

PWM6:00 amPortland

28h 55m

2 stops

SGN9:55 pmHo Chi Minh City

Jul 25

SGN7:00 amHo Chi Minh City

42h 30m

3 stops

PWM2:30 pmPortland

$1,634

United Airlines

Sep 10

PWM5:15 amPortland

29h 50m

3 stops

SGN10:05 pmHo Chi Minh City

Sep 14

SGN11:15 pmHo Chi Minh City

33h 08m

2 stops

PWM9:23 pmPortland

$1,845

United Airlines

Sep 10

PWM5:15 amPortland

29h 50m

3 stops

SGN10:05 pmHo Chi Minh City

Sep 14

SGN11:15 pmHo Chi Minh City

33h 08m

2 stops

PWM9:23 pmPortland

$1,846

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Thu 9/10

6:00 am-5:25 am

2 stops36h 25m

Ho Chi Minh City

Mon 9/14

11:15 pm-11:52 pm

2 stops35h 37m

$1,283

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Sun 8/23

6:00 am-10:50 pm

2 stops53h 50m

Ho Chi Minh City

Sat 8/29

12:05 pm-12:14 am

2 stops47h 09m

$1,537

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Sun 8/23

6:00 am-4:20 pm

2 stops47h 20m

Ho Chi Minh City

Sat 8/29

10:50 am-12:21 pm

2 stops36h 31m

$1,552

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Sun 8/23

6:00 am-11:00 am

2 stops42h 00m

Ho Chi Minh City

Fri 8/28

12:10 am-12:21 pm

2 stops47h 11m

$1,608

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Sat 7/18

6:00 am-9:55 pm

2 stops28h 55m

Ho Chi Minh City

Sat 7/25

11:15 pm-11:30 pm

2 stops35h 15m

$1,619

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Sat 7/18

6:00 am-9:55 pm

2 stops28h 55m

Ho Chi Minh City

Sat 7/25

7:00 am-2:30 pm

3 stops42h 30m

$1,634

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Thu 9/10

5:15 am-10:05 pm

3 stops29h 50m

Ho Chi Minh City

Mon 9/14

11:15 pm-9:23 pm

2 stops33h 08m

$1,845

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Thu 9/10

5:15 am-10:05 pm

3 stops29h 50m

Ho Chi Minh City

Mon 9/14

11:15 pm-9:23 pm

2 stops33h 08m

$1,846

Quickest round-trip

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Sun 8/23

5:52 am-10:05 pm

3 stops29h 13m

Ho Chi Minh City

Sat 8/29

11:15 pm-7:24 pm

2 stops31h 09m

$1,875

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Sun 8/23

5:52 am-10:05 pm

3 stops29h 13m

Ho Chi Minh City

Sat 8/29

11:15 pm-7:24 pm

2 stops31h 09m

$1,876

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Portland, Maine 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 airlines fly to Vietnam?

Cathay Pacific, Korean Air and Japan Airlines are the top three most popular airlines that fly to Vietnam from Portland, Maine according to our data. Cathay Pacific is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Vietnam. Keep in mind that there are 14 different airlines that fly to Vietnam on a routine basis, so you have a few additional options to choose from.

Cheap Portland, Maine to Vietnam flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to Vietnam

Fastest flight time	28h 55m
Direct flights	None

The fastest flight from Portland, Maine to Vietnam takes 28h 55m

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

Search flight deals

Frequently asked questions about flying from Portland, Maine to Vietnam

When did momondo last update prices for flights from Portland Airport to Vietnam?
Prices for flights from Portland Airport to Vietnam refresh daily.
How many operators does momondo search for flights from Portland Airport to Vietnam?
As of June 2026, there is 1 operator 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 necessary travel and health documents for your Vietnam trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Portland, Maine to Vietnam

Compare and see reviews for airlines that fly from Portland, Maine to Vietnam with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $845	Free Cancellation	Rating 7.4 9,771 reviews		Search United 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?

Flights from Portland to Vietnam with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Portland to Vietnam?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Vietnam from Portland.

I’m not ready to book a flight from Portland to Vietnam right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Vietnam, momondo offers a useful price alert feature which will track prices for flights to Vietnam from Portland and alert you when they change.