What is the cheapest airline that flies from Portland to Japan?

Delta, United Airlines, and WestJet are the most popular carriers operating from Portland to Japan

What airlines fly to Japan?

United Airlines, Air Canada and ANA are the top three most popular airlines that fly to Japan from Portland, Maine according to our data. United Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Japan. Keep in mind that there are 10 different airlines that fly to Japan 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 Japan?

Prices for flights from Portland Airport to Japan are refreshed on a daily basis.

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

As of July 2025, there is 1 operator available to choose from for flights from Portland Airport to Japan.

How old do you have to be to fly from Portland Airport to Japan?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Japan.

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

The necessary travel and health documents for your Japan 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.

$640 Cheap Flights from Portland to Japan in 2025

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Portland, Maine to Japan

Round-trip

One-way

Last minute

Cheap round-trip flights

6:00 am - 2:20 pmPWM-HND

19h 20m1 stop

3:15 pm - 5:48 pmHND-PWM

15h 33m1 stop

$1,119Delta

Find Deal

Thu, Aug 28 - Thu, Sep 4

3:45 pm - 2:00 pmPWM-NRT

33h 15m2 stops

5:30 pm - 10:04 amNRT-PWM

29h 34m2 stops

$1,121United Airlines

Find Deal

Mon, Oct 20 - Fri, Oct 31

5:00 pm - 1:05 pmPWM-HND

31h 05m2 stops

4:20 pm - 11:53 amHND-PWM

32h 33m2 stops

$1,124Delta

Find Deal

Sun, Aug 17 - Sun, Sep 7

6:00 am - 2:30 pmPWM-NRT

19h 30m1 stop

5:05 pm - 9:50 pmNRT-PWM

17h 45m1 stop

$1,197United Airlines

Find Deal

Mon, Oct 20 - Fri, Oct 31

2:17 pm - 1:40 pmPWM-NRT

34h 23m2 stops

9:40 pm - 10:02 pmNRT-PWM

37h 22m2 stops

$1,200Cathay Pacific

Find Deal

Tue, Sep 30 - Wed, Oct 22

2:17 pm - 1:40 pmPWM-NRT

34h 23m2 stops

5:15 pm - 10:01 pmNRT-PWM

41h 46m2 stops

$1,201Cathay Pacific

Find Deal

Wed, Sep 24 - Tue, Oct 21

2:41 pm - 12:40 pmPWM-NRT

32h 59m2 stops

5:20 pm - 10:19 pmNRT-PWM

41h 59m2 stops

$1,415Korean Air

Find Deal

Mon, Sep 22 - Wed, Oct 22

1:35 pm - 12:40 pmPWM-NRT

58h 05m2 stops

5:20 pm - 4:03 pmNRT-PWM

35h 43m2 stops

$1,424Korean Air

Find Deal

Sun, Sep 21 - Tue, Oct 21

10:39 am - 3:25 pmPWM-NRT

39h 46m2 stops

5:25 pm - 11:13 pmNRT-PWM

42h 48m2 stops

$1,617Air Canada

Find Deal

Fri, Sep 12 - Wed, Sep 24

5:12 am - 4:20 pmPWM-NRT

45h 08m2 stops

6:45 pm - 10:48 amNRT-PWM

30h 03m2 stops

$1,668Air Canada

Find Deal

Sat, Jan 3 - Sun, Jan 18

United Airlines flights from Portland, Maine to Japan

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

United Airlines

Oct 20

PWM3:45 pmPortland

33h 15m

2 stops

NRT2:00 pmTokyo Narita

Oct 31

NRT5:30 pmTokyo Narita

29h 34m

2 stops

PWM10:04 amPortland

$1,121

Find similar

United Airlines

Oct 20

PWM6:00 amPortland

19h 30m

1 stop

NRT2:30 pmTokyo Narita

Oct 31

NRT5:05 pmTokyo Narita

17h 45m

1 stop

PWM9:50 pmPortland

$1,197

Find similar

United Airlines

Sep 22

PWM7:30 amPortland

18h 00m

1 stop

NRT2:30 pmTokyo Narita

Oct 23

NRT5:00 pmTokyo Narita

17h 44m

1 stop

PWM9:44 pmPortland

$1,211

Find similar

Cathay Pacific flights from Portland, Maine to Japan

Our best Cathay Pacific deals on Portland, Maine to Japan flight tickets

Cathay Pacific

Sep 30

PWM2:17 pmPortland

34h 23m

2 stops

NRT1:40 pmTokyo Narita

Oct 22

NRT9:40 pmTokyo Narita

37h 22m

2 stops

PWM10:02 pmPortland

$1,200

Find similar

Cathay Pacific

Sep 24

PWM2:17 pmPortland

34h 23m

2 stops

NRT1:40 pmTokyo Narita

Oct 21

NRT5:15 pmTokyo Narita

41h 46m

2 stops

PWM10:01 pmPortland

$1,201

Find similar

Cathay Pacific

Sep 27

PWM7:09 amPortland

34h 31m

2 stops

NRT6:40 amTokyo Narita

Oct 12

NRT9:40 pmTokyo Narita

37h 22m

2 stops

PWM10:02 pmPortland

$1,269

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandTokyo

PWM - HND

PWMHND

Portland

Thu 8/28

6:00 am-2:20 pm

1 stop19h 20m

Tokyo Haneda

Thu 9/4

3:15 pm-5:48 pm

1 stop15h 33m

$1,119

PortlandTokyo

PWM - NRT

PWMNRT

Portland

Mon 10/20

3:45 pm-2:00 pm

2 stops33h 15m

Tokyo Narita

Fri 10/31

5:30 pm-10:04 am

2 stops29h 34m

$1,121

PortlandTokyo

PWM - HND

PWMHND

Portland

Sun 8/17

5:00 pm-1:05 pm

2 stops31h 05m

Tokyo Haneda

Sun 9/7

4:20 pm-11:53 am

2 stops32h 33m

$1,124

PortlandTokyo

PWM - NRT

PWMNRT

Portland

Mon 10/20

6:00 am-2:30 pm

1 stop19h 30m

Tokyo Narita

Fri 10/31

5:05 pm-9:50 pm

1 stop17h 45m

$1,197

PortlandTokyo

PWM - NRT

PWMNRT

Portland

Tue 9/30

2:17 pm-1:40 pm

2 stops34h 23m

Tokyo Narita

Wed 10/22

9:40 pm-10:02 pm

2 stops37h 22m

$1,200

PortlandTokyo

PWM - NRT

PWMNRT

Portland

Wed 9/24

2:17 pm-1:40 pm

2 stops34h 23m

Tokyo Narita

Tue 10/21

5:15 pm-10:01 pm

2 stops41h 46m

$1,201

PortlandTokyo

PWM - NRT

PWMNRT

Portland

Mon 9/22

2:41 pm-12:40 pm

2 stops32h 59m

Tokyo Narita

Wed 10/22

5:20 pm-10:19 pm

2 stops41h 59m

$1,415

PortlandTokyo

PWM - NRT

PWMNRT

Portland

Sun 9/21

1:35 pm-12:40 pm

2 stops58h 05m

Tokyo Narita

Tue 10/21

5:20 pm-4:03 pm

2 stops35h 43m

$1,424

PortlandTokyo

PWM - NRT

PWMNRT

Portland

Fri 9/12

10:39 am-3:25 pm

2 stops39h 46m

Tokyo Narita

Wed 9/24

5:25 pm-11:13 pm

2 stops42h 48m

$1,617

PortlandTokyo

PWM - NRT

PWMNRT

Portland

Sat 1/3

5:12 am-4:20 pm

2 stops45h 08m

Tokyo Narita

Sun 1/18

6:45 pm-10:48 am

2 stops30h 03m

$1,668

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Portland, Maine to Japan

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 month to fly to Japan?

The month of October is, on average, the cheapest month to fly to Japan from Portland, Maine, with most prices found around $986. If you aren’t able to travel to Japan during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $1,001.

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

On average, the least expensive day to fly to Japan from Portland, Maine is on a Sunday. momondo users have found tickets for Sunday departures for as low as $1,563. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Portland, Maine to Japan on a Saturday will generally be more expensive and average around $2,103. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Flying to Japan from Portland, Maine in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,158 when looking at flights departing in the afternoon. In the morning is when there is more demand to fly to Japan, so prices are often more expensive at around $1,802 per ticket.

Can stopping save me money on Portland, Maine to Japan flights?

You could potentially save up to 17% on your flight if you consider stops on a Portland, Maine to Japan flight.

Cheap Portland, Maine to Japan flight deals and tips

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

Best Price Found	$640
Fastest flight time	17h 30m
Direct flights	None
Airports in Japan	2 airports

The best one-way flight to Japan from Portland, Maine in the past 72 hours is $640. The best round-trip flight deal from Portland, Maine to Japan found on momondo in the last 72 hours is $1,119.

The fastest flight from Portland, Maine to Japan takes 17h 30m

There are no direct flights from Portland, Maine to Japan. Popular non-direct routes for this connection are Portland Airport - Tokyo Haneda Airport and Portland Airport - Tokyo Narita Airport.

There are 2 airports near Japan: Tokyo Narita (NRT), Tokyo Haneda (HND)

Search flight deals

When did momondo last update prices for flights from Portland Airport to Japan?
Prices for flights from Portland Airport to Japan are refreshed on a daily basis.
How many operators does momondo search for flights from Portland Airport to Japan?
As of July 2025, there is 1 operator available to choose from for flights from Portland Airport to Japan.
How old do you have to be to fly from Portland Airport to Japan?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Japan.
What documentation or ID do you need to fly to Japan?
The necessary travel and health documents for your Japan 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 Japan

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $895	Free Cancellation	Rating 7.4 8,900 reviews		Search United Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Portland to Japan for you.

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

All flight searches from Portland to Japan on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Portland to Japan flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Portland to Japan flights. All you need is a valid email address and we will do the rest; it is that quick and easy.