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 39% 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.

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 September 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.

$1,074 Cheap Flights from Portland to Vietnam in 2025/26

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Find the cheapest flights from Portland, Maine to Vietnam

Round-trip

Cheap round-trip flights

6:00 am - 9:50 pmPWM-SGN

27h 50m2 stops

11:15 pm - 1:52 pmSGN-PWM

25h 37m2 stops

$1,096United Airlines

Find Deal

Mon, Feb 9 - Wed, Apr 1

6:00 am - 9:50 pmPWM-SGN

27h 50m2 stops

7:00 am - 1:52 pmSGN-PWM

41h 52m3 stops

$1,111United Airlines

Find Deal

Mon, Feb 9 - Wed, Apr 1

4:10 pm - 10:55 pmPWM-SGN

42h 45m3 stops

7:00 am - 10:47 amSGN-PWM

38h 47m3 stops

$1,126United Airlines

Find Deal

Mon, Feb 9 - Wed, Apr 1

3:00 pm - 10:55 pmPWM-SGN

43h 55m3 stops

11:05 pm - 10:04 amSGN-PWM

46h 59m2 stops

$1,131United Airlines

Find Deal

Wed, Nov 5 - Sun, Nov 9

7:22 pm - 10:55 pmPWM-SGN

39h 33m3 stops

11:05 pm - 2:12 pmSGN-PWM

51h 07m2 stops

$1,132United Airlines

Find Deal

Wed, Nov 5 - Sun, Nov 9

4:54 pm - 9:50 pmPWM-SGN

64h 56m2 stops

11:05 pm - 10:04 amSGN-PWM

46h 59m2 stops

$1,135United Airlines

Find Deal

Wed, Nov 5 - Sun, Nov 9

4:54 pm - 9:50 pmPWM-SGN

64h 56m2 stops

11:05 pm - 2:12 pmSGN-PWM

51h 07m2 stops

$1,136United Airlines

Find Deal

Wed, Nov 5 - Sun, Nov 9

10:19 am - 10:55 pmPWM-SGN

48h 36m3 stops

11:05 pm - 6:52 pmSGN-PWM

31h 47m2 stops

$1,139United Airlines

Find Deal

Mon, Jan 5 - Sat, Jan 31

7:22 pm - 10:55 pmPWM-SGN

39h 33m3 stops

6:00 am - 11:59 pmSGN-PWM

29h 59m3 stops

$1,175United Airlines

Find Deal

Wed, Nov 5 - Sun, Nov 9

6:00 am - 11:20 pmPWM-SGN

29h 20m2 stops

11:50 pm - 12:30 pmSGN-PWM

48h 40m2 stops

$1,203Delta

Find Deal

Wed, Nov 5 - Sun, Nov 9

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

Apr 1

SGN11:15 pmHo Chi Minh City

25h 37m

2 stops

PWM1:52 pmPortland

$1,096

Find similar

United Airlines

Feb 9

PWM6:00 amPortland

27h 50m

2 stops

SGN9:50 pmHo Chi Minh City

Apr 1

SGN7:00 amHo Chi Minh City

41h 52m

3 stops

PWM1:52 pmPortland

$1,111

Find similar

United Airlines

Feb 9

PWM4:10 pmPortland

42h 45m

3 stops

SGN10:55 pmHo Chi Minh City

Apr 1

SGN7:00 amHo Chi Minh City

38h 47m

3 stops

PWM10:47 amPortland

$1,126

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Mon 2/9

6:00 am-9:50 pm

2 stops27h 50m

Ho Chi Minh City

Wed 4/1

11:15 pm-1:52 pm

2 stops25h 37m

$1,096

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Mon 2/9

6:00 am-9:50 pm

2 stops27h 50m

Ho Chi Minh City

Wed 4/1

7:00 am-1:52 pm

3 stops41h 52m

$1,111

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Mon 2/9

4:10 pm-10:55 pm

3 stops42h 45m

Ho Chi Minh City

Wed 4/1

7:00 am-10:47 am

3 stops38h 47m

$1,126

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Wed 11/5

3:00 pm-10:55 pm

3 stops43h 55m

Ho Chi Minh City

Sun 11/9

11:05 pm-10:04 am

2 stops46h 59m

$1,131

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Wed 11/5

7:22 pm-10:55 pm

3 stops39h 33m

Ho Chi Minh City

Sun 11/9

11:05 pm-2:12 pm

2 stops51h 07m

$1,132

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Wed 11/5

4:54 pm-9:50 pm

2 stops64h 56m

Ho Chi Minh City

Sun 11/9

11:05 pm-10:04 am

2 stops46h 59m

$1,135

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Wed 11/5

4:54 pm-9:50 pm

2 stops64h 56m

Ho Chi Minh City

Sun 11/9

11:05 pm-2:12 pm

2 stops51h 07m

$1,136

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Mon 1/5

10:19 am-10:55 pm

3 stops48h 36m

Ho Chi Minh City

Sat 1/31

11:05 pm-6:52 pm

2 stops31h 47m

$1,139

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Wed 11/5

7:22 pm-10:55 pm

3 stops39h 33m

Ho Chi Minh City

Sun 11/9

6:00 am-11:59 pm

3 stops29h 59m

$1,175

PortlandHo Chi Minh City

PWM - SGN

PWMSGN

Portland

Wed 11/5

6:00 am-11:20 pm

2 stops29h 20m

Ho Chi Minh City

Sun 11/9

11:50 pm-12:30 pm

2 stops48h 40m

$1,203

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

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 September 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 $1,183	Free Cancellation	Rating 7.4 8,926 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.

An easier way to manage your Vietnam trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to Vietnam

Popular cities in Vietnam

Flights to Ho Chi Minh Cityfrom $528

Flights to Hanoifrom $551

Flights to Da Nangfrom $504

Flights to Phu Quocfrom $802

Flights to Nha Trangfrom $740

Flights to Dalatfrom $1,065

Flights to Huefrom $902

Flights to Haiphongfrom $798

Flights to Qui Nhon

Flights to Vinh City

Flights to Con Daofrom $855

Flights to Can Thofrom $2,347

Cheap flights from Portland, Maine to Vietnam from $1,096

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Vietnam departing on 2/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Portland, Maine to Vietnam

Cheap round-trip flights

United Airlines flights from Portland, Maine to Vietnam

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

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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

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

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

What airlines fly to Vietnam?

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

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

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?

What documentation or ID do you need to fly to Vietnam?

Best airlines flying from Portland, Maine to Vietnam

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

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Vietnam?

Can I find flights from Portland to Vietnam with flexible booking policies on momondo?

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

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

An easier way to manage your Vietnam trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Vietnam

Popular cities in Vietnam

Popular flights according to clicks in the last 7 days on momondo