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

Southwest, Delta, and American 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 5 operators available for flights from Maine to Idaho as of July 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.

$108 Cheap Flights from Maine to Idaho in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Maine to Idaho

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:45 pm - 11:10 pm

BOS

BOI

8h 25m

1 stop

1:50 pm - 12:25 am

BOI

BOS

8h 35m

1 stop

$208Southwest

Wed, Aug 26 - Sat, Aug 29

11:15 am - 8:40 pm

BOS

BOI

11h 25m

1 stop

2:55 pm - 12:30 am

BOI

BOS

7h 35m

1 stop

$212Southwest

Thu, Aug 20 - Mon, Aug 31

8:15 am - 1:42 pm

BOS

BOI

7h 27m

1 stop

2:11 pm - 1:17 am

BOI

BOS

9h 06m

1 stop

$215Delta

Sat, Sep 5 - Sat, Sep 12

7:45 am - 3:19 pm

BOS

GEG

10h 34m

1 stop

12:36 pm - 1:25 am

GEG

BOS

9h 49m

1 stop

$237Delta

Thu, Aug 27 - Wed, Sep 2

7:05 am - 12:23 pm

BOS

GEG

8h 18m

1 stop

5:00 am - 7:19 pm

GEG

BOS

11h 19m

2 stops

$242United Airlines

Sat, Aug 22 - Sat, Aug 29

4:15 pm - 10:36 pm

BOS

GEG

9h 21m

1 stop

1:37 pm - 11:54 pm

GEG

BOS

7h 17m

1 stop

$258United Airlines

Mon, Aug 24 - Fri, Sep 4

7:28 am - 8:42 pm

PWM

GEG

16h 14m

2 stops

5:40 am - 6:52 pm

GEG

PWM

10h 12m

1 stop

$384American Airlines

Thu, Aug 27 - Mon, Sep 7

9:08 am - 8:42 pm

PWM

GEG

14h 34m

2 stops

5:40 am - 11:37 pm

GEG

PWM

14h 57m

2 stops

$398American Airlines

Wed, Aug 26 - Sun, Aug 30

7:10 am - 3:17 pm

BOS

IDA

10h 07m

1 stop

6:04 am - 5:22 pm

IDA

BOS

9h 18m

1 stop

$419Alaska Airlines

Sat, Nov 14 - Tue, Nov 17

4:52 pm - 11:15 am

BOS

JAC

20h 23m

1 stop

2:10 pm - 6:09 am

JAC

BOS

13h 59m

1 stop

$468Alaska Airlines

Sat, Sep 5 - Sat, Sep 12

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Alaska Airlines flights from Maine to Idaho

Our best Alaska Airlines deals on Maine to Idaho flight tickets

Alaska Airlines

Sep 5

BOS7:59 pmBoston Logan Intl

15h 53m

1 stop

BOI9:52 amBoise Air Term. Gowen Fld

Sep 12

BOI1:31 pmBoise Air Term. Gowen Fld

14h 38m

1 stop

BOS6:09 amBoston Logan Intl

$313

Alaska Airlines

Sep 4

BOS7:59 pmBoston Logan Intl

15h 53m

1 stop

BOI9:52 amBoise Air Term. Gowen Fld

Sep 8

BOI4:27 pmBoise Air Term. Gowen Fld

11h 42m

1 stop

BOS6:09 amBoston Logan Intl

$326

Alaska Airlines

Sep 17

BOS7:12 amBoston Logan Intl

10h 18m

1 stop

BOI3:30 pmBoise Air Term. Gowen Fld

Sep 20

BOI7:20 amBoise Air Term. Gowen Fld

20h 27m

1 stop

BOS5:47 amBoston Logan Intl

$334

Delta flights from Maine to Idaho

Our best Delta deals on Maine to Idaho flight tickets

Delta

Sep 5

BOS8:15 amBoston Logan Intl

7h 27m

1 stop

BOI1:42 pmBoise Air Term. Gowen Fld

Sep 12

BOI2:11 pmBoise Air Term. Gowen Fld

9h 06m

1 stop

BOS1:17 amBoston Logan Intl

$215

Delta

Aug 27

BOS7:45 amBoston Logan Intl

10h 34m

1 stop

GEG3:19 pmSpokane

Sep 2

GEG12:36 pmSpokane

9h 49m

1 stop

BOS1:25 amBoston Logan Intl

$237

Delta

Sep 11

BOS8:15 amBoston Logan Intl

7h 29m

1 stop

BOI1:44 pmBoise Air Term. Gowen Fld

Sep 15

BOI12:14 pmBoise Air Term. Gowen Fld

10h 20m

1 stop

BOS12:34 amBoston Logan Intl

$245

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Wed 8/26

4:45 pm-11:10 pm

1 stop8h 25m

Boise Air Term. Gowen Fld

Sat 8/29

1:50 pm-12:25 am

1 stop8h 35m

$208

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Thu 8/20

11:15 am-8:40 pm

1 stop11h 25m

Boise Air Term. Gowen Fld

Mon 8/31

2:55 pm-12:30 am

1 stop7h 35m

$212

Quickest round-trip

BostonBoise

BOS - BOI

BOSBOI

Boston Logan Intl

Sat 9/5

8:15 am-1:42 pm

1 stop7h 27m

Boise Air Term. Gowen Fld

Sat 9/12

2:11 pm-1:17 am

1 stop9h 06m

$215

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Thu 8/27

7:45 am-3:19 pm

1 stop10h 34m

Spokane

Wed 9/2

12:36 pm-1:25 am

1 stop9h 49m

$237

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Sat 8/22

7:05 am-12:23 pm

1 stop8h 18m

Spokane

Sat 8/29

5:00 am-7:19 pm

2 stops11h 19m

$242

BostonSpokane

BOS - GEG

BOSGEG

Boston Logan Intl

Mon 8/24

4:15 pm-10:36 pm

1 stop9h 21m

Spokane

Fri 9/4

1:37 pm-11:54 pm

1 stop7h 17m

$258

PortlandSpokane

PWM - GEG

PWMGEG

Portland

Thu 8/27

7:28 am-8:42 pm

2 stops16h 14m

Spokane

Mon 9/7

5:40 am-6:52 pm

1 stop10h 12m

$384

PortlandSpokane

PWM - GEG

PWMGEG

Portland

Wed 8/26

9:08 am-8:42 pm

2 stops14h 34m

Spokane

Sun 8/30

5:40 am-11:37 pm

2 stops14h 57m

$398

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Sat 11/14

7:10 am-3:17 pm

1 stop10h 07m

Idaho Falls Fanning Field

Tue 11/17

6:04 am-5:22 pm

1 stop9h 18m

$419

BostonJackson

BOS - JAC

BOSJAC

Boston Logan Intl

Sat 9/5

4:52 pm-11:15 am

1 stop20h 23m

Jackson Hole

Sat 9/12

2:10 pm-6:09 am

1 stop13h 59m

$468

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 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, February 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 February, then you should wait until September to fly from Maine, when ticket prices are also cheap, with an average price of $202.

Can stopping save me money on Maine to Idaho flights?

You could potentially save up to 19% 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

Fastest flight time	6h 48m
Direct flights	None

The fastest flight from Maine to Idaho takes 6h 48m

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 5 operators available for flights from Maine to Idaho as of July 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
American Airlines	PriceFrom $318	Free Cancellation	Rating 7.1 11,783 reviews		Search American Airlines flights
United Airlines	PriceFrom $456	Free Cancellation	Rating 7.4 9,948 reviews		Search United 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.