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 January 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.

$1,121 Cheap Flights from Portland to Vietnam in 2026

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0 bags

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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 - 9:50 pm

PWM

SGN

27h 50m2 stops

11:05 pm - 6:52 pm

SGN

PWM

31h 47m2 stops

$1,121United Airlines

Thu, Jan 22 - Mon, Jan 26

6:00 am - 9:50 pm

PWM

SGN

27h 50m2 stops

6:00 am - 11:30 pm

SGN

PWM

29h 30m3 stops

$1,137United Airlines

Thu, Jan 22 - Mon, Jan 26

4:10 pm - 10:55 pm

PWM

SGN

42h 45m3 stops

11:05 pm - 2:31 pm

SGN

PWM

27h 26m2 stops

$1,165United Airlines

Thu, Jan 22 - Mon, Jan 26

3:12 pm - 10:55 pm

PWM

SGN

43h 43m3 stops

6:00 am - 11:30 pm

SGN

PWM

29h 30m3 stops

$1,176United Airlines

Thu, Jan 22 - Mon, Jan 26

6:00 am - 9:50 pm

PWM

SGN

27h 50m2 stops

11:05 pm - 2:31 pm

SGN

PWM

27h 26m2 stops

$1,196United Airlines

Thu, Jan 22 - Mon, Jan 26

United Airlines flights from Portland, Maine to Vietnam

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

United Airlines

Jan 22

PWM6:00 amPortland

27h 50m

2 stops

SGN9:50 pmHo Chi Minh City

Jan 26

SGN11:05 pmHo Chi Minh City

31h 47m

2 stops

PWM6:52 pmPortland

$1,121

United Airlines

Jan 22

PWM6:00 amPortland

27h 50m

2 stops

SGN9:50 pmHo Chi Minh City

Jan 26

SGN6:00 amHo Chi Minh City

29h 30m

3 stops

PWM11:30 pmPortland

$1,137

United Airlines

Jan 22

PWM4:10 pmPortland

42h 45m

3 stops

SGN10:55 pmHo Chi Minh City

Jan 26

SGN11:05 pmHo Chi Minh City

27h 26m

2 stops

PWM2:31 pmPortland

$1,165

Fly from

Fly to

Route

Depart

Return

Price

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Thu 1/22

6:00 am-9:50 pm

2 stops27h 50m

Ho Chi Minh City

Mon 1/26

11:05 pm-6:52 pm

2 stops31h 47m

$1,121

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Thu 1/22

6:00 am-9:50 pm

2 stops27h 50m

Ho Chi Minh City

Mon 1/26

6:00 am-11:30 pm

3 stops29h 30m

$1,137

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Thu 1/22

4:10 pm-10:55 pm

3 stops42h 45m

Ho Chi Minh City

Mon 1/26

11:05 pm-2:31 pm

2 stops27h 26m

$1,165

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Thu 1/22

3:12 pm-10:55 pm

3 stops43h 43m

Ho Chi Minh City

Mon 1/26

6:00 am-11:30 pm

3 stops29h 30m

$1,176

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Thu 1/22

6:00 am-9:50 pm

2 stops27h 50m

Ho Chi Minh City

Mon 1/26

11:05 pm-2:31 pm

2 stops27h 26m

$1,196

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 35% of people opting to fly with this airline when traveling to Vietnam. Keep in mind that there are 13 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	27h 50m
Direct flights	None

The fastest flight from Portland, Maine to Vietnam takes 27h 50m

There are no direct flights from Portland, Maine to Vietnam. There are no popular flight routes from Portland, Maine 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 refresh daily.
How many operators does momondo search for flights from Portland Airport to Vietnam?
As of January 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 $971	Free Cancellation	Rating 7.4 9,143 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.