How long does it take to fly to Portland, Maine?

The flight from Idaho to Portland, Maine depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Hailey (a popular airport in Idaho) to Boston (the most popular airport in Portland, Maine), then the flight time is 6h 32m on average. If you fly from Boise (another popular airport in Idaho) to Boston, then the average flight time is 6h 55m.

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

United Airlines, Delta, and American Airlines are the most popular carriers operating from Idaho to Portland

What airlines fly to Portland, Maine?

Delta, United Airlines and American Airlines are the top three most popular airlines that fly to Portland, Maine from Idaho according to our data. Delta is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Portland, Maine. Keep in mind that there are 5 different airlines that fly to Portland, Maine on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Idaho to Portland Airport refresh daily.

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

As of August 2026, there are 3 operators available to choose from for flights from Idaho to Portland Airport.

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

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 Idaho to Portland Airport.

What documentation or ID do you need to fly to Portland Airport?

The necessary travel and health documents for your Portland Airport 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.

$185 Cheap Flights from Idaho to Portland, Maine in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Idaho to Portland

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:00 am - 4:02 pmGEG Spokane-PWM Portland

8h 02m1 stop Denver Intl

3:23 pm - 9:11 pmPWM Portland-GEG Spokane

8h 48m1 stop Denver Intl

$369United Airlines

Tue, Nov 17 - Mon, Nov 23

5:00 am - 4:02 pmGEG Spokane-PWM Portland

8h 02m1 stop Denver Intl

3:23 pm - 9:11 pmPWM Portland-GEG Spokane

8h 48m1 stop Denver Intl

$369United Airlines

Wed, Nov 18 - Mon, Nov 23

1:40 pm - 11:35 pmBOI Boise Air Term. Gowen Fld-PWM Portland

7h 55m1 stop Atlanta Hartsfield-Jackson

6:01 am - 1:34 pmPWM Portland-BOI Boise Air Term. Gowen Fld

9h 33m1 stop Atlanta Hartsfield-Jackson

$369Delta

Wed, Oct 28 - Tue, Nov 3

1:40 pm - 11:35 pmBOI Boise Air Term. Gowen Fld-PWM Portland

7h 55m1 stop Atlanta Hartsfield-Jackson

6:01 am - 1:34 pmPWM Portland-BOI Boise Air Term. Gowen Fld

9h 33m1 stop Atlanta Hartsfield-Jackson

$369Delta

Mon, Oct 26 - Tue, Nov 3

6:30 am - 4:02 pmBOI Boise Air Term. Gowen Fld-PWM Portland

7h 32m1 stop Denver Intl

3:23 pm - 10:59 pmPWM Portland-BOI Boise Air Term. Gowen Fld

9h 36m1 stop Denver Intl

$369United Airlines

Sat, Nov 7 - Wed, Nov 11

1:40 pm - 11:35 pmBOI Boise Air Term. Gowen Fld-PWM Portland

7h 55m1 stop Atlanta Hartsfield-Jackson

6:01 am - 1:34 pmPWM Portland-BOI Boise Air Term. Gowen Fld

9h 33m1 stop Atlanta Hartsfield-Jackson

$369Delta

Tue, Oct 27 - Tue, Nov 3

6:30 am - 10:36 pmGEG Spokane-PWM Portland

13h 06m2 stops Phoenix Sky Harbor Intl Charlotte Douglas

7:00 am - 11:50 amPWM Portland-GEG Spokane

7h 50m1 stop Chicago O'Hare Intl

$374American Airlines

Sat, Oct 24 - Sat, Oct 31

7:00 am - 11:43 pmBOI Boise Air Term. Gowen Fld-PWM Portland

14h 43m2 stops Dallas/Fort Worth Chicago O'Hare Intl

7:00 am - 2:33 pmPWM Portland-BOI Boise Air Term. Gowen Fld

9h 33m1 stop Chicago O'Hare Intl

$374American Airlines

Sat, Oct 24 - Tue, Oct 27

5:35 am - 9:45 pmGEG Spokane-PWM Portland

13h 10m2 stops Sacramento Intl Baltimore/Washington

1:40 pm - 12:05 amPWM Portland-GEG Spokane

13h 25m2 stops Baltimore/Washington Phoenix Sky Harbor Intl

$379Southwest

Tue, Nov 17 - Mon, Nov 23

5:35 am - 9:45 pmGEG Spokane-PWM Portland

13h 10m2 stops Sacramento Intl Baltimore/Washington

1:40 pm - 12:05 amPWM Portland-GEG Spokane

13h 25m2 stops Baltimore/Washington Phoenix Sky Harbor Intl

$390Southwest

Wed, Nov 18 - Mon, Nov 23

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Delta flights from Idaho to Portland, Maine

Our best Delta deals on Idaho to Portland, Maine flight tickets

Delta

Oct 27

BOI1:40 pmBoise Air Term. Gowen Fld

7h 55m

1 stop

PWM11:35 pmPortland

Nov 3

PWM6:01 amPortland

9h 33m

1 stop

BOI1:34 pmBoise Air Term. Gowen Fld

$369

Delta

Oct 24

BOI6:00 amBoise Air Term. Gowen Fld

13h 00m

2 stops

PWM9:00 pmPortland

Oct 31

PWM6:01 amPortland

12h 13m

2 stops

BOI4:14 pmBoise Air Term. Gowen Fld

$380

Delta

Oct 30

BOI1:40 pmBoise Air Term. Gowen Fld

7h 55m

1 stop

PWM11:35 pmPortland

Nov 4

PWM12:42 pmPortland

11h 43m

2 stops

BOI10:25 pmBoise Air Term. Gowen Fld

$385

United Airlines flights from Idaho to Portland, Maine

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

United Airlines

Nov 17

GEG5:00 amSpokane

8h 02m

1 stop

PWM4:02 pmPortland

Nov 23

PWM3:23 pmPortland

8h 48m

1 stop

GEG9:11 pmSpokane

$369

United Airlines

Oct 27

BOI7:10 pmBoise Air Term. Gowen Fld

12h 57m

2 stops

PWM10:07 amPortland

Nov 3

PWM3:23 pmPortland

8h 09m

1 stop

BOI9:32 pmBoise Air Term. Gowen Fld

$374

United Airlines

Nov 13

GEG5:00 amSpokane

8h 02m

1 stop

PWM4:02 pmPortland

Nov 18

PWM8:47 amPortland

15h 24m

2 stops

GEG9:11 pmSpokane

$385

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

SpokanePortland

GEG Spokane - PWM Portland

GEGPWM

Spokane

Tue 11/17

5:00 am-4:02 pm

1 stop8h 02m

Portland

Mon 11/23

3:23 pm-9:11 pm

1 stop8h 48m

$369

SpokanePortland

GEG Spokane - PWM Portland

GEGPWM

Spokane

Wed 11/18

5:00 am-4:02 pm

1 stop8h 02m

Portland

Mon 11/23

3:23 pm-9:11 pm

1 stop8h 48m

$369

BoisePortland

BOI Boise Air Term. Gowen Fld - PWM Portland

BOIPWM

Boise Air Term. Gowen Fld

Wed 10/28

1:40 pm-11:35 pm

1 stop7h 55m

Portland

Tue 11/3

6:01 am-1:34 pm

1 stop9h 33m

$369

BoisePortland

BOI Boise Air Term. Gowen Fld - PWM Portland

BOIPWM

Boise Air Term. Gowen Fld

Mon 10/26

1:40 pm-11:35 pm

1 stop7h 55m

Portland

Tue 11/3

6:01 am-1:34 pm

1 stop9h 33m

$369

BoisePortland

BOI Boise Air Term. Gowen Fld - PWM Portland

BOIPWM

Boise Air Term. Gowen Fld

Sat 11/7

6:30 am-4:02 pm

1 stop7h 32m

Portland

Wed 11/11

3:23 pm-10:59 pm

1 stop9h 36m

$369

BoisePortland

BOI Boise Air Term. Gowen Fld - PWM Portland

BOIPWM

Boise Air Term. Gowen Fld

Tue 10/27

1:40 pm-11:35 pm

1 stop7h 55m

Portland

Tue 11/3

6:01 am-1:34 pm

1 stop9h 33m

$369

SpokanePortland

GEG Spokane - PWM Portland

GEGPWM

Spokane

Sat 10/24

6:30 am-10:36 pm

2 stops13h 06m

Portland

Sat 10/31

7:00 am-11:50 am

1 stop7h 50m

$374

BoisePortland

BOI Boise Air Term. Gowen Fld - PWM Portland

BOIPWM

Boise Air Term. Gowen Fld

Sat 10/24

7:00 am-11:43 pm

2 stops14h 43m

Portland

Tue 10/27

7:00 am-2:33 pm

1 stop9h 33m

$374

SpokanePortland

GEG Spokane - PWM Portland

GEGPWM

Spokane

Tue 11/17

5:35 am-9:45 pm

2 stops13h 10m

Portland

Mon 11/23

1:40 pm-12:05 am

2 stops13h 25m

$379

SpokanePortland

GEG Spokane - PWM Portland

GEGPWM

Spokane

Wed 11/18

5:35 am-9:45 pm

2 stops13h 10m

Portland

Mon 11/23

1:40 pm-12:05 am

2 stops13h 25m

$390

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 Idaho to Portland, Maine

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

Other information

What is the cheapest month to fly to Portland, Maine?

The cheapest month to fly to Portland, Maine from Idaho is in December. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you aren’t able to travel to Portland, Maine during the month of December, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $498.

Cheap Idaho to Portland, Maine flight deals and tips

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

Best Price Found	$185
Fastest flight time	6h 51m
Direct flights	None

The best one-way flight to Portland, Maine from Idaho in the past 72 hours is $185. The best round-trip flight deal from Idaho to Portland, Maine found on momondo in the last 72 hours is $369.

The fastest flight from Idaho to Portland, Maine takes 6h 51m

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

Search flight deals

Frequently asked questions about flying from Idaho to Portland, Maine

When did momondo last update prices for flights from Idaho to Portland Airport?
Prices for flights from Idaho to Portland Airport refresh daily.
How many operators does momondo search for flights from Idaho to Portland Airport?
As of August 2026, there are 3 operators available to choose from for flights from Idaho to Portland Airport.
How old do you have to be to fly from Idaho to Portland Airport?
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 Idaho to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The necessary travel and health documents for your Portland Airport 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 Idaho to Portland, Maine

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

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $378	Free Cancellation	Rating 7.1 11,984 reviews		Search American Airlines flights
United Airlines	PriceFrom $483	Free Cancellation	Rating 7.4 10,115 reviews		Search United Airlines flights

North Conway

Boothbay Harbor

Jackson

Lewiston

Brunswick

Freeport

Auburn

Gorham

Conway

Bartlett

Windham

Bath

Intervale

Oxford

Georgetown

Falmouth

Tamworth

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Idaho to Portland. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Portland from Idaho with this policy.

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

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 Portland from Idaho.

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

Yes momondo offers price alerts on flights to Portland from Idaho. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from Idaho to Portland from $185

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Portland departing on 11/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from Idaho to Portland, Maine

Our best Delta deals on Idaho to Portland, Maine flight tickets

United Airlines flights from Idaho to Portland, Maine

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

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

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What airlines fly to Portland, Maine?

How long does it take to fly to Portland, Maine?

Cheap Idaho to Portland, Maine flight deals and tips

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Frequently asked questions about flying from Idaho to Portland, Maine

Best airlines flying from Idaho to Portland, Maine

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

Traveling to a place near Portland?

Why use momondo?

An easier way to manage your Portland, Maine 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 the United States

Airports servicing Maine

Fly your favorite airline to Portland

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Portland

List of cabin classes available on flights landing in Portland. Availability may vary depending on flight origin and airline.

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

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