What airlines fly to Vietnam?

Korean Air, Cathay Pacific and Japan Airlines are the top three most popular airlines that fly to Vietnam from Portland, Maine according to our data. Korean Air is the first choice among our users, with 36% 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.

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 November 2025, 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.

$1,175 Cheap Flights from Portland to Vietnam in 2025/26

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United Airlines flights from Portland, Maine to Vietnam

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

United Airlines

Feb 9

PWM6:00 amPortland

27h 50m

2 stops

SGN9:50 pmHo Chi Minh City

Mar 31

SGN11:15 pmHo Chi Minh City

34h 43m

2 stops

PWM10:58 pmPortland

$1,070

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United Airlines

Feb 9

PWM6:00 amPortland

27h 50m

2 stops

SGN9:50 pmHo Chi Minh City

Mar 31

SGN7:00 amHo Chi Minh City

38h 11m

3 stops

PWM10:11 amPortland

$1,086

Find similar

United Airlines

Nov 19

PWM7:22 pmPortland

39h 33m

3 stops

SGN10:55 pmHo Chi Minh City

Nov 23

SGN6:00 amHo Chi Minh City

44h 12m

3 stops

PWM2:12 pmPortland

$1,175

Find similar

American Airlines flights from Portland, Maine to Vietnam

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

American Airlines

Nov 19

PWM3:52 pmPortland

27h 23m

2 stops

SGN7:15 amHo Chi Minh City

Nov 23

SGN8:55 amHo Chi Minh City

39h 27m

2 stops

PWM12:22 pmPortland

$2,766

Find similar

American Airlines

Feb 9

PWM12:46 pmPortland

29h 09m

3 stops

SGN5:55 amHo Chi Minh City

Mar 31

SGN11:20 pmHo Chi Minh City

28h 25m

3 stops

PWM4:45 pmPortland

$5,139

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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

Prices

Airlines

What is the cheapest day to depart on your flight to Vietnam?

According to our data, Sunday is the cheapest day to fly to Vietnam from Portland, Maine. The lowest ticket price found for a Sunday departure recently was $1,287. 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 $2,135.

What is the cheapest time of day to depart on your flight to Vietnam?

Flying to Vietnam from Portland, Maine in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,287 when looking at flights departing in the afternoon. In the morning is when there is more demand to fly to Vietnam, so prices are often more expensive at around $1,491 per ticket.

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

Direct flights	None

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 November 2025, 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 9,017 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.