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Cheap flights from Boston to Idaho Falls from $190

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Idaho Falls departing on 9/6. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boston to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:05 am - 12:14 pm
BOS
-
IDA
8h 09m
1 stop
Delta Logo
6:45 pm - 6:11 am
IDA
-
BOS
9h 26m
1 stop
$394Delta
Sat, Oct 3 - Sat, Oct 10
Delta Logo
5:30 am - 2:35 pm
BOS
-
IDA
11h 05m
2 stops
Delta Logo
7:00 pm - 6:30 am
IDA
-
BOS
9h 30m
1 stop
$399Delta
Sat, Aug 22 - Sat, Aug 29
American Airlines Logo
6:00 am - 1:28 pm
BOS
-
IDA
9h 28m
1 stop
American Airlines Logo
1:58 pm - 11:59 pm
IDA
-
BOS
8h 01m
1 stop
$423American Airlines
Sat, Sep 26 - Sat, Oct 3
Delta Logo
2:35 pm - 10:32 pm
BOS
-
IDA
9h 57m
2 stops
Delta Logo
7:00 pm - 6:30 am
IDA
-
BOS
9h 30m
1 stop
$439Delta
Sat, Aug 22 - Sat, Aug 29
American Airlines Logo
6:00 am - 1:28 pm
BOS
-
IDA
9h 28m
1 stop
American Airlines Logo
1:43 pm - 11:54 pm
IDA
-
BOS
8h 11m
1 stop
$455American Airlines
Sat, Oct 3 - Sat, Oct 10
Delta Logo
2:35 pm - 10:32 pm
BOS
-
IDA
9h 57m
2 stops
Delta Logo
7:00 pm - 6:30 am
IDA
-
BOS
9h 30m
1 stop
$464Delta
Sat, Aug 22 - Sat, Aug 29
Delta Logo
8:45 am - 6:18 pm
BOS
-
IDA
11h 33m
2 stops
Delta Logo
7:00 pm - 9:02 am
IDA
-
BOS
12h 02m
2 stops
$467Delta
Tue, Jul 7 - Mon, Jul 13
Alaska Airlines Logo
9:33 am - 1:24 pm
BOS
-
IDA
29h 51m
1 stop
Alaska Airlines Logo
6:18 am - 6:56 pm
IDA
-
BOS
10h 38m
1 stop
$474Alaska Airlines
Sat, Sep 19 - Sat, Sep 26
American Airlines Logo
6:45 am - 1:50 pm
BOS
-
IDA
9h 05m
1 stop
American Airlines Logo
1:43 pm - 9:37 am
IDA
-
BOS
17h 54m
1 stop
$481American Airlines
Sun, Aug 23 - Sat, Aug 29
United Airlines Logo
7:45 am - 1:25 pm
BOS
-
IDA
7h 40m
1 stop
United Airlines Logo
2:30 pm - 1:14 am
IDA
-
BOS
8h 44m
2 stops
$485United Airlines
Sat, Jul 4 - Sat, Jul 11

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Delta flights from Boston to Idaho Falls

Our best Delta deals on Boston to Idaho Falls flight tickets
Delta
Oct 3
BOS6:05 amBoston Logan Intl
8h 09m
1 stop
IDA12:14 pmIdaho Falls Fanning Field
Oct 10
IDA6:45 pmIdaho Falls Fanning Field
9h 26m
1 stop
BOS6:11 amBoston Logan Intl
$394
Delta
Aug 22
BOS5:30 amBoston Logan Intl
11h 05m
2 stops
IDA2:35 pmIdaho Falls Fanning Field
Aug 29
IDA7:00 pmIdaho Falls Fanning Field
9h 30m
1 stop
BOS6:30 amBoston Logan Intl
$399
Delta
Aug 22
BOS2:35 pmBoston Logan Intl
9h 57m
2 stops
IDA10:32 pmIdaho Falls Fanning Field
Aug 29
IDA7:00 pmIdaho Falls Fanning Field
9h 30m
1 stop
BOS6:30 amBoston Logan Intl
$439

American Airlines flights from Boston to Idaho Falls

Our best American Airlines deals on Boston to Idaho Falls flight tickets
American Airlines
Sep 26
BOS6:00 amBoston Logan Intl
9h 28m
1 stop
IDA1:28 pmIdaho Falls Fanning Field
Oct 3
IDA1:58 pmIdaho Falls Fanning Field
8h 01m
1 stop
BOS11:59 pmBoston Logan Intl
$423
American Airlines
Oct 3
BOS6:00 amBoston Logan Intl
9h 28m
1 stop
IDA1:28 pmIdaho Falls Fanning Field
Oct 10
IDA1:43 pmIdaho Falls Fanning Field
8h 11m
1 stop
BOS11:54 pmBoston Logan Intl
$455
American Airlines
Aug 23
BOS6:45 amBoston Logan Intl
9h 05m
1 stop
IDA1:50 pmIdaho Falls Fanning Field
Aug 29
IDA1:43 pmIdaho Falls Fanning Field
17h 54m
1 stop
BOS9:37 amBoston Logan Intl
$481

momondo Fare Finder

 
Customize your flight search to find flights from Boston 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 June 23, 2026.
Use the filters below to find and compare flights from Boston to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Sat 10/3

6:05 am-12:14 pm

1 stop8h 09m

Idaho Falls Fanning Field

Sat 10/10

6:45 pm-6:11 am

1 stop9h 26m

$394

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Sat 8/22

5:30 am-2:35 pm

2 stops11h 05m

Idaho Falls Fanning Field

Sat 8/29

7:00 pm-6:30 am

1 stop9h 30m

$399

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Sat 9/26

6:00 am-1:28 pm

1 stop9h 28m

Idaho Falls Fanning Field

Sat 10/3

1:58 pm-11:59 pm

1 stop8h 01m

$423

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Sat 8/22

2:35 pm-10:32 pm

2 stops9h 57m

Idaho Falls Fanning Field

Sat 8/29

7:00 pm-6:30 am

1 stop9h 30m

$439

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Sat 10/3

6:00 am-1:28 pm

1 stop9h 28m

Idaho Falls Fanning Field

Sat 10/10

1:43 pm-11:54 pm

1 stop8h 11m

$455

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Sat 8/22

2:35 pm-10:32 pm

2 stops9h 57m

Idaho Falls Fanning Field

Sat 8/29

7:00 pm-6:30 am

1 stop9h 30m

$464

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Tue 7/7

8:45 am-6:18 pm

2 stops11h 33m

Idaho Falls Fanning Field

Mon 7/13

7:00 pm-9:02 am

2 stops12h 02m

$467

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Sat 9/19

9:33 am-1:24 pm

1 stop29h 51m

Idaho Falls Fanning Field

Sat 9/26

6:18 am-6:56 pm

1 stop10h 38m

$474

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Sun 8/23

6:45 am-1:50 pm

1 stop9h 05m

Idaho Falls Fanning Field

Sat 8/29

1:43 pm-9:37 am

1 stop17h 54m

$481
Quickest round-trip

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Sat 7/4

7:45 am-1:25 pm

1 stop7h 40m

Idaho Falls Fanning Field

Sat 7/11

2:30 pm-1:14 am

2 stops8h 44m

$485

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Idaho Falls from

How to get the cheapest flight ticket from Boston 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 typical price of a round-trip flight between Boston and Idaho Falls?

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 November is also cheap. Prices for this month can be found on momondo for an average of $445.

When to book flights from Boston to Idaho Falls

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Idaho Falls according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Idaho Falls (BOS to IDA) flight deals and tips

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

Fastest flight time

7h 54m

Direct flights

None
The fastest flight from Boston to Idaho Falls takes 7h 54m
There are no direct flights from Boston to Idaho Falls. There are no popular flight routes from Boston to Idaho Falls.
Search flight deals

Frequently asked questions about flying from Boston to Idaho Falls

  • How far is Boston Logan Intl to Idaho Falls Fanning Field by plane?

    There are 2052.3 mi between Boston Logan Intl and Idaho Falls Fanning Field. By plane, this route typically takes 7h 54m.

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

    Prices for flights from Boston Logan Intl Airport to Idaho Falls Fanning Field Airport are refreshed on a daily basis.

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

  • How old do you have to be to fly from Boston Logan Intl Airport to Idaho Falls Fanning Field Airport?

    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 Boston Logan Intl Airport 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.

  • What is the most popular airline from Boston to Idaho Falls?

Best airlines flying from Boston to Idaho Falls

Compare and see reviews for airlines that fly from Boston to Idaho Falls with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $370Free CancellationRating
7.1
11,749 reviews
Search American Airlines flights
United AirlinesPriceFrom $435Free CancellationRating
7.4
9,879 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $468Free CancellationRating
7.9
12,564 reviews
Search Alaska Airlines flights

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 Boston to Idaho Falls?

Finding the right flight to Idaho Falls from Boston 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 Boston to Idaho Falls with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Boston to Idaho Falls flights to just show those with flexible booking policies.

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

Once you have performed a search for Boston to Idaho Falls flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

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

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