What airlines fly to Idaho?

Delta, United Airlines and American Airlines are the top three most popular airlines that fly to Idaho from Portland, Maine according to our data. Delta is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 6 different airlines that fly to Idaho on a routine basis, so you have a few additional options to choose from.

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

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

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

Prices for flights from Portland Airport to Idaho are updated daily.

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

There are 4 operators available for flights from Portland Airport to Idaho as of February 2025.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Idaho.

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

The required travel and health documents for your Idaho trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Idaho. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$144 Cheap Flights from Portland to Idaho in 2025

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Find the cheapest flights from Portland, Maine to Idaho

Round-trip

One-way

Last minute

Cheap round-trip flights

These are some of the best round-trip flight deals from Portland, Maine to Idaho that have been recently found on momondo from popular airlines, departing in the coming months.

5:30 am - 12:46 pmPWM-BOI

9h 16m1 stop

1:45 pm - 11:59 pmBOI-PWM

8h 14m1 stop

$313Delta

Find Deal

Wed, Apr 2 - Sat, Apr 5

5:30 am - 5:04 pmPWM-BOI

13h 34m2 stops

1:45 pm - 11:59 pmBOI-PWM

8h 14m1 stop

$318Delta

Find Deal

Wed, Apr 2 - Sat, Apr 5

5:42 am - 4:45 pmPWM-BOI

13h 03m2 stops

7:05 am - 10:49 pmBOI-PWM

13h 44m2 stops

$323American Airlines

Find Deal

Wed, Apr 2 - Sat, Apr 5

5:25 am - 4:45 pmPWM-BOI

13h 20m2 stops

6:38 am - 11:47 pmBOI-PWM

15h 09m2 stops

$331American Airlines

Find Deal

Tue, Mar 18 - Tue, Mar 25

5:30 am - 12:46 pmPWM-BOI

9h 16m1 stop

1:45 pm - 11:58 pmBOI-PWM

8h 13m1 stop

$348Delta

Find Deal

Tue, Mar 18 - Tue, Mar 25

6:10 am - 1:14 pmPWM-JAC

9h 04m1 stop

7:00 am - 10:03 pmJAC-PWM

13h 03m2 stops

$416United Airlines

Find Deal

Fri, Mar 28 - Thu, Apr 3

6:10 am - 3:33 pmPWM-JAC

11h 23m2 stops

7:00 am - 10:03 pmJAC-PWM

13h 03m2 stops

$421United Airlines

Find Deal

Fri, Mar 28 - Thu, Apr 3

2:21 pm - 1:15 pmPWM-BOI

24h 54m2 stops

2:00 pm - 12:30 pmBOI-PWM

20h 30m3 stops

$557Alaska Airlines

Find Deal

Tue, Mar 18 - Tue, Mar 25

1:01 pm - 9:41 amPWM-BOI

22h 40m3 stops

8:15 am - 11:47 pmBOI-PWM

13h 32m2 stops

$882Alaska Airlines

Find Deal

Sat, Mar 15 - Tue, Mar 18

8:07 pm - 12:32 pmPWM-BOI

42h 25m3 stops

1:31 pm - 11:20 amBOI-PWM

19h 49m3 stops

$991

Find Deal

Sat, Mar 15 - Tue, Mar 18

Delta flights from Portland, Maine to Idaho

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

Delta

Apr 2

PWM5:30 amPortland

9h 16m

1 stop

BOI12:46 pmBoise Air Term. Gowen Fld

Apr 5

BOI1:45 pmBoise Air Term. Gowen Fld

8h 14m

1 stop

PWM11:59 pmPortland

$313

Find similar

Delta

Apr 2

PWM5:30 amPortland

13h 34m

2 stops

BOI5:04 pmBoise Air Term. Gowen Fld

Apr 5

BOI1:45 pmBoise Air Term. Gowen Fld

8h 14m

1 stop

PWM11:59 pmPortland

$318

Find similar

Delta

Mar 18

PWM5:30 amPortland

9h 16m

1 stop

BOI12:46 pmBoise Air Term. Gowen Fld

Mar 25

BOI1:45 pmBoise Air Term. Gowen Fld

8h 13m

1 stop

PWM11:58 pmPortland

$348

Find similar

American Airlines flights from Portland, Maine to Idaho

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

American Airlines

Apr 2

PWM5:42 amPortland

13h 03m

2 stops

BOI4:45 pmBoise Air Term. Gowen Fld

Apr 5

BOI7:05 amBoise Air Term. Gowen Fld

13h 44m

2 stops

PWM10:49 pmPortland

$323

Find similar

American Airlines

Mar 18

PWM5:25 amPortland

13h 20m

2 stops

BOI4:45 pmBoise Air Term. Gowen Fld

Mar 25

BOI6:38 amBoise Air Term. Gowen Fld

15h 09m

2 stops

PWM11:47 pmPortland

$331

Find similar

American Airlines

Jul 23

PWM6:38 amPortland

16h 15m

2 stops

JAC8:53 pmJackson Hole

Jul 29

JAC1:10 pmJackson Hole

7h 31m

1 stop

PWM10:41 pmPortland

$623

Find similar

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

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 Idaho?

In general, April is the cheapest month to fly from Portland, Maine to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $310. If you don’t want to visit Idaho in April, then you should wait until September to fly from Portland, Maine, when ticket prices are also cheap, with an average price of $464.

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

Our data shows that Friday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $492. On the other hand, Sunday is the most expensive day to depart from Portland, Maine because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $944.

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

According to our data, the cheapest time of day to fly to Idaho is at noon. momondo users have found flights departing from Portland, Maine to Idaho at noon for as low as $551. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Idaho, so prices are often more expensive at around $756 per ticket.

Cheap Portland, Maine to Idaho flight deals and tips

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

Best Price Found	$144
Fastest flight time	7h 04m
Direct flights	None
Airports in Idaho	3 airports

The best one-way flight to Idaho from Portland, Maine in the past 72 hours is $144. The best round-trip flight deal from Portland, Maine to Idaho found on momondo in the last 72 hours is $313.

The fastest flight from Portland, Maine to Idaho takes 7h 04m

There are no direct flights from Portland, Maine to Idaho. Popular non-direct routes for this connection are Portland Airport - Jackson Hole Airport, Portland Airport - Boise Air Term. Gowen Fld Airport and Portland Airport - Spokane Airport.

There are 3 airports near Idaho: Spokane (GEG), Boise Air Term. Gowen Fld (BOI), Jackson Hole (JAC)

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When did momondo last update prices for flights from Portland Airport to Idaho?
Prices for flights from Portland Airport to Idaho are updated daily.
How many operators does momondo search for flights from Portland Airport to Idaho?
There are 4 operators available for flights from Portland Airport to Idaho as of February 2025.
How old do you have to be to fly from Portland Airport to Idaho?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Idaho.
What documentation or ID do you need to fly to Idaho?
The required travel and health documents for your Idaho trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Idaho. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Portland, Maine to Idaho

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $345	Free Cancellation	Rating 8.0 8,151 reviews	Search Delta flights
American Airlines	PriceFrom $375	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $419	Free Cancellation	Rating 8.1 4,369 reviews	Search Southwest flights
United Airlines	PriceFrom $509	Free Cancellation	Rating 7.4 8,732 reviews	Search United Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Idaho from Portland.

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

momondo does allow users to show only those flights to Idaho from Portland which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Portland to Idaho.

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

If you are not ready to book a flight from Portland to Idaho now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Idaho and let you know when they change.