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

Delta and United Airlines are the most popular carriers operating from Maine to Idaho

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

Prices for flights from Maine to Idaho are updated daily.

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

There are 2 operators available for flights from Maine to Idaho as of November 2026.

How old do you have to be to fly from Maine 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 Maine to Idaho.

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

The necessary travel and health documents for your Idaho 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.

$394 Cheap Flights from Maine to Idaho in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Maine to Idaho

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:47 pm - 10:59 pmPWM Portland-BOI Boise Air Term. Gowen Fld

8h 12m1 stop Chicago O'Hare Intl

11:49 am - 9:29 pmBOI Boise Air Term. Gowen Fld-PWM Portland

7h 40m1 stop Chicago O'Hare Intl

$499United Airlines

Sat, Dec 12 - Mon, Dec 14

4:47 pm - 10:59 pmPWM Portland-BOI Boise Air Term. Gowen Fld

8h 12m1 stop Chicago O'Hare Intl

11:49 am - 11:24 pmBOI Boise Air Term. Gowen Fld-PWM Portland

9h 35m2 stops Chicago O'Hare Intl Newark

$504United Airlines

Sat, Dec 12 - Mon, Dec 14

9:40 am - 9:33 pmPWM Portland-BOI Boise Air Term. Gowen Fld

13h 53m2 stops Washington, D.C. Dulles Intl Denver Intl

8:15 am - 9:03 pmBOI Boise Air Term. Gowen Fld-PWM Portland

10h 48m2 stops Chicago O'Hare Intl Newark

$509United Airlines

Wed, Jan 6 - Sat, Jan 9

9:38 am - 9:27 pmPWM Portland-BOI Boise Air Term. Gowen Fld

13h 49m2 stops Washington, D.C. Dulles Intl Denver Intl

8:00 am - 11:24 pmBOI Boise Air Term. Gowen Fld-PWM Portland

13h 24m2 stops Chicago O'Hare Intl Newark

$509United Airlines

Sat, Dec 12 - Mon, Dec 14

11:49 am - 9:49 pmPWM Portland-IDA Idaho Falls Fanning Field

12h 00m2 stops Washington, D.C. Reagan-National Dallas/Fort Worth

6:18 am - 9:29 pmIDA Idaho Falls Fanning Field-PWM Portland

13h 11m2 stops Phoenix Sky Harbor Intl Charlotte Douglas

$562American Airlines

Fri, Jan 8 - Wed, Jan 13

12:45 pm - 10:35 pmPWM Portland-BOI Boise Air Term. Gowen Fld

11h 50m2 stops Baltimore/Washington Denver Intl

6:10 pm - 9:50 amBOI Boise Air Term. Gowen Fld-PWM Portland

13h 40m2 stops Phoenix Sky Harbor Intl Baltimore/Washington

$567Southwest

Thu, Dec 24 - Mon, Dec 28

4:03 pm - 12:10 amPWM Portland-BOI Boise Air Term. Gowen Fld

10h 07m2 stops New York John F Kennedy Intl Salt Lake City

8:49 am - 12:19 amBOI Boise Air Term. Gowen Fld-PWM Portland

13h 30m2 stops Salt Lake City New York John F Kennedy Intl

$647Delta

Wed, Nov 18 - Sun, Nov 22

3:45 pm - 11:59 pmBGR Bangor-BOI Boise Air Term. Gowen Fld

10h 14m2 stops New York John F Kennedy Intl Minneapolis St Paul

11:10 pm - 4:11 pmBOI Boise Air Term. Gowen Fld-BGR Bangor

15h 01m2 stops Atlanta Hartsfield-Jackson New York LaGuardia

$719Delta

Sun, Nov 22 - Mon, Nov 30

7:00 am - 10:19 pmBGR Bangor-BOI Boise Air Term. Gowen Fld

17h 19m2 stops Philadelphia Phoenix Sky Harbor Intl

6:50 pm - 12:03 pmBOI Boise Air Term. Gowen Fld-BGR Bangor

15h 13m2 stops Phoenix Sky Harbor Intl Washington, D.C. Reagan-National

$970American Airlines

Sun, Mar 28 - Fri, Apr 2

7:00 am - 10:19 pmBGR Bangor-BOI Boise Air Term. Gowen Fld

17h 19m2 stops Philadelphia Phoenix Sky Harbor Intl

6:50 pm - 12:03 pmBOI Boise Air Term. Gowen Fld-BGR Bangor

15h 13m2 stops Phoenix Sky Harbor Intl Washington, D.C. Reagan-National

$986American Airlines

Sun, Mar 28 - Fri, Apr 2

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United Airlines flights from Maine to Idaho

Our best United Airlines deals on Maine to Idaho flight tickets

United Airlines

Dec 12

PWM4:47 pmPortland

8h 12m

1 stop

BOI10:59 pmBoise Air Term. Gowen Fld

Dec 14

BOI11:49 amBoise Air Term. Gowen Fld

7h 40m

1 stop

PWM9:29 pmPortland

$499

United Airlines

Dec 12

PWM4:47 pmPortland

8h 12m

1 stop

BOI10:59 pmBoise Air Term. Gowen Fld

Dec 14

BOI11:49 amBoise Air Term. Gowen Fld

9h 35m

2 stops

PWM11:24 pmPortland

$504

United Airlines

Dec 12

PWM9:38 amPortland

13h 49m

2 stops

BOI9:27 pmBoise Air Term. Gowen Fld

Dec 14

BOI8:00 amBoise Air Term. Gowen Fld

13h 24m

2 stops

PWM11:24 pmPortland

$509

Southwest flights from Maine to Idaho

Our best Southwest deals on Maine to Idaho flight tickets

Southwest

Dec 24

PWM12:45 pmPortland

11h 50m

2 stops

BOI10:35 pmBoise Air Term. Gowen Fld

Dec 28

BOI6:10 pmBoise Air Term. Gowen Fld

13h 40m

2 stops

PWM9:50 amPortland

$567

Southwest

Dec 23

PWM1:25 pmPortland

13h 45m

2 stops

BOI1:10 amBoise Air Term. Gowen Fld

Dec 28

BOI6:10 pmBoise Air Term. Gowen Fld

13h 40m

2 stops

PWM9:50 amPortland

$844

Southwest

Nov 24

PWM1:25 pmPortland

12h 45m

2 stops

BOI12:10 amBoise Air Term. Gowen Fld

Nov 29

BOI8:40 pmBoise Air Term. Gowen Fld

11h 10m

2 stops

PWM9:50 amPortland

$866

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

PortlandBoise

PWM Portland - BOI Boise Air Term. Gowen Fld

PWMBOI

Portland

Sat 12/12

4:47 pm-10:59 pm

1 stop8h 12m

Boise Air Term. Gowen Fld

Mon 12/14

11:49 am-9:29 pm

1 stop7h 40m

$499

PortlandBoise

PWM Portland - BOI Boise Air Term. Gowen Fld

PWMBOI

Portland

Sat 12/12

4:47 pm-10:59 pm

1 stop8h 12m

Boise Air Term. Gowen Fld

Mon 12/14

11:49 am-11:24 pm

2 stops9h 35m

$504

PortlandBoise

PWM Portland - BOI Boise Air Term. Gowen Fld

PWMBOI

Portland

Wed 1/6

9:40 am-9:33 pm

2 stops13h 53m

Boise Air Term. Gowen Fld

Sat 1/9

8:15 am-9:03 pm

2 stops10h 48m

$509

PortlandBoise

PWM Portland - BOI Boise Air Term. Gowen Fld

PWMBOI

Portland

Sat 12/12

9:38 am-9:27 pm

2 stops13h 49m

Boise Air Term. Gowen Fld

Mon 12/14

8:00 am-11:24 pm

2 stops13h 24m

$509

PortlandIdaho Falls

PWM Portland - IDA Idaho Falls Fanning Field

PWMIDA

Portland

Fri 1/8

11:49 am-9:49 pm

2 stops12h 00m

Idaho Falls Fanning Field

Wed 1/13

6:18 am-9:29 pm

2 stops13h 11m

$562

PortlandBoise

PWM Portland - BOI Boise Air Term. Gowen Fld

PWMBOI

Portland

Thu 12/24

12:45 pm-10:35 pm

2 stops11h 50m

Boise Air Term. Gowen Fld

Mon 12/28

6:10 pm-9:50 am

2 stops13h 40m

$567

PortlandBoise

PWM Portland - BOI Boise Air Term. Gowen Fld

PWMBOI

Portland

Wed 11/18

4:03 pm-12:10 am

2 stops10h 07m

Boise Air Term. Gowen Fld

Sun 11/22

8:49 am-12:19 am

2 stops13h 30m

$647

BangorBoise

BGR Bangor - BOI Boise Air Term. Gowen Fld

BGRBOI

Bangor

Sun 11/22

3:45 pm-11:59 pm

2 stops10h 14m

Boise Air Term. Gowen Fld

Mon 11/30

11:10 pm-4:11 pm

2 stops15h 01m

$719

BangorBoise

BGR Bangor - BOI Boise Air Term. Gowen Fld

BGRBOI

Bangor

Sun 3/28

7:00 am-10:19 pm

2 stops17h 19m

Boise Air Term. Gowen Fld

Fri 4/2

6:50 pm-12:03 pm

2 stops15h 13m

$970

BangorBoise

BGR Bangor - BOI Boise Air Term. Gowen Fld

BGRBOI

Bangor

Sun 3/28

7:00 am-10:19 pm

2 stops17h 19m

Boise Air Term. Gowen Fld

Fri 4/2

6:50 pm-12:03 pm

2 stops15h 13m

$986

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first

How to get the cheapest flight ticket from 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, December is the cheapest month to fly from Maine to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you don’t want to visit Idaho in December, then you should wait until August to fly from Maine, when ticket prices are also cheap, with an average price of $444.

Can stopping save me money on Maine to Idaho flights?

You could potentially save up to 15% on your flight if you consider stops on a Maine to Idaho flight.

Cheap Maine to Idaho flight deals and tips

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

Best Price Found	$394
Fastest flight time	5h 25m
Direct flights	None

The best one-way flight to Idaho from Maine in the past 72 hours is $394. The best round-trip flight deal from Maine to Idaho found on momondo in the last 72 hours is $499.

The fastest flight from Maine to Idaho takes 5h 25m

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

Search flight deals

Frequently asked questions about flying from Maine to Idaho

When did momondo last update prices for flights from Maine to Idaho?
Prices for flights from Maine to Idaho are updated daily.
How many operators does momondo search for flights from Maine to Idaho?
There are 2 operators available for flights from Maine to Idaho as of November 2026.
How old do you have to be to fly from Maine 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 Maine to Idaho.
What documentation or ID do you need to fly to Idaho?
The necessary travel and health documents for your Idaho 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 Maine to Idaho

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $408	Free Cancellation	Rating 7.3 10,461 reviews		Search United Airlines flights
American Airlines	PriceFrom $424	Free Cancellation	Rating 7.0 12,231 reviews		Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Maine 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 Maine.

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

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

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

momondo helps you find the best flight between Maine and Idaho by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

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