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Cheap flights from Maine to Idaho Falls from $301

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Maine to Idaho Falls departing on 1/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Maine to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
7:00 am - 10:59 pm
BOS
-
IDA
17h 59m1 stop
Alaska Airlines Logo
9:00 am - 11:54 pm
IDA
-
BOS
12h 54m1 stop
$402Alaska Airlines
Wed, Jan 14 - Wed, Jan 21
Delta Logo
4:25 pm - 10:19 pm
BOS
-
IDA
7h 54m1 stop
Delta Logo
1:15 pm - 6:50 am
IDA
-
BOS
15h 35m2 stops
$412Delta
Wed, Jan 14 - Wed, Jan 21
United Airlines Logo
7:25 am - 1:30 pm
BOS
-
IDA
8h 05m1 stop
United Airlines Logo
2:40 pm - 11:46 pm
IDA
-
BOS
7h 06m1 stop
$415United Airlines
Mon, Feb 2 - Mon, Feb 2
American Airlines Logo
9:45 am - 10:36 pm
BOS
-
IDA
14h 51m2 stops
American Airlines Logo
7:20 am - 8:30 pm
IDA
-
BOS
11h 10m2 stops
$431American Airlines
Wed, Jan 14 - Wed, Jan 21
United Airlines Logo
5:45 am - 1:30 pm
BOS
-
IDA
9h 45m2 stops
United Airlines Logo
2:40 pm - 11:46 pm
IDA
-
BOS
7h 06m1 stop
$448United Airlines
Mon, Feb 2 - Mon, Feb 2
United Airlines Logo
7:00 am - 1:30 pm
BOS
-
IDA
8h 30m1 stop
United Airlines Logo
2:40 pm - 11:44 pm
IDA
-
BOS
7h 04m1 stop
$456United Airlines
Fri, Feb 27 - Mon, Mar 2
Delta Logo
6:10 am - 12:34 pm
BOS
-
IDA
8h 24m1 stop
Delta Logo
6:35 pm - 6:05 am
IDA
-
BOS
9h 30m1 stop
$511Delta
Mon, Jan 12 - Mon, Jan 19
United Airlines Logo
6:00 am - 1:30 pm
BOS
-
IDA
9h 30m2 stops
United Airlines Logo
2:40 pm - 11:44 pm
IDA
-
BOS
7h 04m1 stop
$521United Airlines
Fri, Feb 27 - Mon, Mar 2
United Airlines Logo
7:25 am - 1:30 pm
BOS
-
IDA
8h 05m1 stop
United Airlines Logo
4:19 pm - 2:00 pm
IDA
-
BOS
19h 41m2 stops
$528United Airlines
Mon, Jan 12 - Mon, Jan 19
United Airlines Logo
5:45 am - 3:31 pm
BOS
-
IDA
11h 46m2 stops
United Airlines Logo
4:19 pm - 2:00 pm
IDA
-
BOS
19h 41m2 stops
$533United Airlines
Mon, Jan 12 - Mon, Jan 19

Delta flights from Maine to Idaho Falls

Our best Delta deals on Maine to Idaho Falls flight tickets
Delta
Jan 14
BOS4:25 pmBoston Logan Intl
7h 54m
1 stop
IDA10:19 pmIdaho Falls Fanning Field
Jan 21
IDA1:15 pmIdaho Falls Fanning Field
15h 35m
2 stops
BOS6:50 amBoston Logan Intl
$412
Find similar
Delta
Jan 12
BOS6:10 amBoston Logan Intl
8h 24m
1 stop
IDA12:34 pmIdaho Falls Fanning Field
Jan 19
IDA6:35 pmIdaho Falls Fanning Field
9h 30m
1 stop
BOS6:05 amBoston Logan Intl
$511
Find similar
Delta
May 14
BOS8:25 amBoston Logan Intl
11h 49m
2 stops
IDA6:14 pmIdaho Falls Fanning Field
May 19
IDA6:50 pmIdaho Falls Fanning Field
9h 19m
1 stop
BOS6:09 amBoston Logan Intl
$1,524
Find similar

United Airlines flights from Maine to Idaho Falls

Our best United Airlines deals on Maine to Idaho Falls flight tickets
United Airlines
Feb 2
BOS7:25 amBoston Logan Intl
8h 05m
1 stop
IDA1:30 pmIdaho Falls Fanning Field
Feb 2
IDA2:40 pmIdaho Falls Fanning Field
7h 06m
1 stop
BOS11:46 pmBoston Logan Intl
$415
Find similar
United Airlines
Feb 2
BOS5:45 amBoston Logan Intl
9h 45m
2 stops
IDA1:30 pmIdaho Falls Fanning Field
Feb 2
IDA2:40 pmIdaho Falls Fanning Field
7h 06m
1 stop
BOS11:46 pmBoston Logan Intl
$448
Find similar
United Airlines
Feb 27
BOS7:00 amBoston Logan Intl
8h 30m
1 stop
IDA1:30 pmIdaho Falls Fanning Field
Mar 2
IDA2:40 pmIdaho Falls Fanning Field
7h 04m
1 stop
BOS11:44 pmBoston Logan Intl
$456
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Maine to Idaho Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 17, 2025.
Use the filters below to find and compare flights from Maine to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Wed 1/14

7:00 am-10:59 pm

1 stop17h 59m

Idaho Falls Fanning Field

Wed 1/21

9:00 am-11:54 pm

1 stop12h 54m

$402

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Wed 1/14

4:25 pm-10:19 pm

1 stop7h 54m

Idaho Falls Fanning Field

Wed 1/21

1:15 pm-6:50 am

2 stops15h 35m

$412

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Mon 2/2

7:25 am-1:30 pm

1 stop8h 05m

Idaho Falls Fanning Field

Mon 2/2

2:40 pm-11:46 pm

1 stop7h 06m

$415

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Wed 1/14

9:45 am-10:36 pm

2 stops14h 51m

Idaho Falls Fanning Field

Wed 1/21

7:20 am-8:30 pm

2 stops11h 10m

$431

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Mon 2/2

5:45 am-1:30 pm

2 stops9h 45m

Idaho Falls Fanning Field

Mon 2/2

2:40 pm-11:46 pm

1 stop7h 06m

$448

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Fri 2/27

7:00 am-1:30 pm

1 stop8h 30m

Idaho Falls Fanning Field

Mon 3/2

2:40 pm-11:44 pm

1 stop7h 04m

$456

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Mon 1/12

6:10 am-12:34 pm

1 stop8h 24m

Idaho Falls Fanning Field

Mon 1/19

6:35 pm-6:05 am

1 stop9h 30m

$511

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Fri 2/27

6:00 am-1:30 pm

2 stops9h 30m

Idaho Falls Fanning Field

Mon 3/2

2:40 pm-11:44 pm

1 stop7h 04m

$521

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Mon 1/12

7:25 am-1:30 pm

1 stop8h 05m

Idaho Falls Fanning Field

Mon 1/19

4:19 pm-2:00 pm

2 stops19h 41m

$528

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Mon 1/12

5:45 am-3:31 pm

2 stops11h 46m

Idaho Falls Fanning Field

Mon 1/19

4:19 pm-2:00 pm

2 stops19h 41m

$533

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Idaho Falls from

How to get the cheapest flight ticket from Maine to Idaho Falls

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

What is the cheapest month to fly to Idaho Falls?

If you aren’t able to travel to Idaho Falls 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 $440.

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

Our data shows that Tuesday is the least expensive day to fly to Idaho Falls. Tickets to fly out on this day can be as low as $618. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to Idaho Falls on Wednesday is $865.

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

Our most recent data shows that the best time of day to fly to Idaho Falls is in the evening. Flights from Maine to Idaho Falls during this time can be as low as $523. Try not to purchase tickets in the morning because they tend to be around $789. Of course, these prices can vary depending on the time of year and what airport you fly to.

Can stopping save me money on Maine to Idaho Falls flights?

You could potentially save up to 19% on your flight if you consider stops on a Maine to Idaho Falls flight.

Cheap Maine to Idaho Falls flight deals and tips

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

Fastest flight time

7h 49m

Direct flights

None
The fastest flight from Maine to Idaho Falls takes 7h 49m
There are no direct flights from Maine to Idaho Falls. There are no popular flight routes from Maine to Idaho Falls.
Search flight deals

  • When did momondo last update prices for flights from Maine to Idaho Falls Fanning Field Airport?

    Prices for flights from Maine to Idaho Falls Fanning Field Airport are updated daily.

  • How many operators does momondo search for flights from Maine to Idaho Falls Fanning Field Airport?

  • How old do you have to be to fly from Maine to Idaho Falls Fanning Field 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 Maine to Idaho Falls Fanning Field Airport.

  • What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

    The travel and health documents you'll need for your trip to Idaho Falls Fanning Field Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Idaho Falls Fanning Field Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

Why use momondo?

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

Finding the right flight to Idaho Falls from Maine is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Idaho Falls quick and easy, saving you time and money.

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

All flight searches from Maine to Idaho Falls on momondo can be filtered to show those which offer flexible booking policies.

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

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 Maine to Idaho Falls.

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

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

An easier way to manage your Idaho Falls trip

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