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Cheap flights from Idaho Falls to Boston from $211

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to Boston departing on 2/17. 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 Idaho Falls to Boston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
1:17 pm - 11:41 pmIDA-BOS
8h 24m1 stop
Delta Logo
6:10 am - 12:37 pmBOS-IDA
8h 27m1 stop
$421Delta
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Fri, Dec 12 - Mon, Dec 15
Delta Logo
6:00 am - 8:00 pmIDA-BOS
12h 00m2 stops
Delta Logo
6:10 am - 12:37 pmBOS-IDA
8h 27m1 stop
$426Delta
Find Deal
Fri, Dec 12 - Mon, Dec 15
Alaska Airlines Logo
8:00 am - 11:59 pmIDA-BOS
13h 59m1 stop
Alaska Airlines Logo
10:00 am - 10:38 pmBOS-IDA
14h 38m1 stop
$512Alaska Airlines
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Tue, Mar 10 - Wed, Mar 11
American Airlines Logo
1:58 pm - 7:21 amIDA-BOS
15h 23m2 stops
American Airlines Logo
5:30 am - 1:28 pmBOS-IDA
9h 58m1 stop
$524American Airlines
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Tue, Nov 11 - Sat, Nov 15
American Airlines Logo
1:58 pm - 7:21 amIDA-BOS
15h 23m2 stops
American Airlines Logo
10:59 am - 10:34 pmBOS-IDA
13h 35m2 stops
$529American Airlines
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Tue, Nov 11 - Sat, Nov 15
United Airlines Logo
10:45 am - 12:30 amIDA-BOS
11h 45m2 stops
United Airlines Logo
9:30 am - 9:09 pmBOS-IDA
13h 39m2 stops
$531United Airlines
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Tue, Mar 10 - Wed, Mar 11
United Airlines Logo
2:45 pm - 5:56 amIDA-BOS
13h 11m1 stop
United Airlines Logo
5:30 am - 1:35 pmBOS-IDA
10h 05m2 stops
$550United Airlines
Find Deal
Thu, Nov 13 - Sun, Nov 16
Alaska Airlines Logo
6:05 am - 5:23 pmIDA-BOS
9h 18m1 stop
Alaska Airlines Logo
9:00 am - 3:13 pmBOS-IDA
32h 13m1 stop
$591Alaska Airlines
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Thu, Nov 13 - Sun, Nov 16
Multiple Airlines Logo
4:39 pm - 11:56 pmIDA-BOS
29h 17m3 stops
Multiple Airlines Logo
12:29 pm - 2:20 pmBOS-IDA
27h 51m3 stops
$804Multiple Airlines
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Thu, Dec 11 - Thu, Dec 18
Multiple Airlines Logo
4:39 pm - 10:41 amIDA-BOS
16h 02m2 stops
Multiple Airlines Logo
12:29 pm - 2:20 pmBOS-IDA
27h 51m3 stops
$847Multiple Airlines
Find Deal
Thu, Dec 11 - Thu, Dec 18

Delta flights from Idaho Falls to Boston

Our best Delta deals on Idaho Falls to Boston flight tickets
Delta
Dec 12
IDA1:17 pmIdaho Falls Fanning Field
8h 24m
1 stop
BOS11:41 pmBoston Logan Intl
Dec 15
BOS6:10 amBoston Logan Intl
8h 27m
1 stop
IDA12:37 pmIdaho Falls Fanning Field
$421
Find similar
Delta
Dec 12
IDA6:00 amIdaho Falls Fanning Field
12h 00m
2 stops
BOS8:00 pmBoston Logan Intl
Dec 15
BOS6:10 amBoston Logan Intl
8h 27m
1 stop
IDA12:37 pmIdaho Falls Fanning Field
$426
Find similar
Delta
Mar 10
IDA1:05 pmIdaho Falls Fanning Field
8h 49m
1 stop
BOS11:54 pmBoston Logan Intl
Mar 11
BOS9:15 amBoston Logan Intl
15h 06m
2 stops
IDA10:21 pmIdaho Falls Fanning Field
$490
Find similar

United Airlines flights from Idaho Falls to Boston

Our best United Airlines deals on Idaho Falls to Boston flight tickets
United Airlines
Mar 10
IDA10:45 amIdaho Falls Fanning Field
11h 45m
2 stops
BOS12:30 amBoston Logan Intl
Mar 11
BOS9:30 amBoston Logan Intl
13h 39m
2 stops
IDA9:09 pmIdaho Falls Fanning Field
$531
Find similar
United Airlines
Nov 13
IDA2:45 pmIdaho Falls Fanning Field
13h 11m
1 stop
BOS5:56 amBoston Logan Intl
Nov 16
BOS5:30 amBoston Logan Intl
10h 05m
2 stops
IDA1:35 pmIdaho Falls Fanning Field
$550
Find similar
United Airlines
Nov 13
IDA7:00 amIdaho Falls Fanning Field
13h 48m
2 stops
BOS10:48 pmBoston Logan Intl
Nov 16
BOS5:30 amBoston Logan Intl
10h 05m
2 stops
IDA1:35 pmIdaho Falls Fanning Field
$568
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Idaho Falls to Boston 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 October 29, 2025.
Use the filters below to find and compare flights from Idaho Falls to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Fri 12/12

1:17 pm-11:41 pm

1 stop8h 24m

Boston Logan Intl

Mon 12/15

6:10 am-12:37 pm

1 stop8h 27m

$421

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Fri 12/12

6:00 am-8:00 pm

2 stops12h 00m

Boston Logan Intl

Mon 12/15

6:10 am-12:37 pm

1 stop8h 27m

$426

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Tue 3/10

8:00 am-11:59 pm

1 stop13h 59m

Boston Logan Intl

Wed 3/11

10:00 am-10:38 pm

1 stop14h 38m

$512

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Tue 11/11

1:58 pm-7:21 am

2 stops15h 23m

Boston Logan Intl

Sat 11/15

5:30 am-1:28 pm

1 stop9h 58m

$524

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Tue 11/11

1:58 pm-7:21 am

2 stops15h 23m

Boston Logan Intl

Sat 11/15

10:59 am-10:34 pm

2 stops13h 35m

$529

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Tue 3/10

10:45 am-12:30 am

2 stops11h 45m

Boston Logan Intl

Wed 3/11

9:30 am-9:09 pm

2 stops13h 39m

$531

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Thu 11/13

2:45 pm-5:56 am

1 stop13h 11m

Boston Logan Intl

Sun 11/16

5:30 am-1:35 pm

2 stops10h 05m

$550

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Thu 11/13

6:05 am-5:23 pm

1 stop9h 18m

Boston Logan Intl

Sun 11/16

9:00 am-3:13 pm

1 stop32h 13m

$591

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Thu 12/11

4:39 pm-11:56 pm

3 stops29h 17m

Boston Logan Intl

Thu 12/18

12:29 pm-2:20 pm

3 stops27h 51m

$804

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Thu 12/11

4:39 pm-10:41 am

2 stops16h 02m

Boston Logan Intl

Thu 12/18

12:29 pm-2:20 pm

3 stops27h 51m

$847

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 Boston from

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

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 Boston?

In general, March is the cheapest month to fly from Idaho Falls to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $444. If you aren’t able to travel during the month of March, then book flights to Boston from Idaho Falls during April instead. Flights to Boston in April, while not as cheap as those in March, still average around $483.

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

The cheapest day to depart from Idaho Falls to Boston is on a Sunday when prices can be found for as low as $575. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Thursday is $816.

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

According to our data, the cheapest time of day to fly to Boston is in the evening. momondo users have found flights departing from Idaho Falls to Boston in the evening for as low as $562. 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 morning is when there is more demand to fly to Boston, so prices are often more expensive at around $930 per ticket.

When to book flights from Idaho Falls to Boston

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

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

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

Direct flights

None
There are no direct flights from Idaho Falls to Boston. There are no popular flight routes from Idaho Falls to Boston.
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  • How far is Idaho Falls Fanning Field to Boston Logan Intl by plane?

    A flight from Idaho Falls Fanning Field to Boston Logan Intl will travel around 2052.3 mi. In terms of flight time, this usually takes a little over 8h 24m.

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

    Prices for flights from Idaho Falls Fanning Field Airport to Boston Logan Intl Airport were last updated today.

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

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

  • What documentation or ID do you need to fly to Boston Logan Intl Airport?

    The travel and health documents you'll need for your trip to Boston Logan Intl 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 Boston Logan Intl 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 Idaho Falls to Boston?

Best airlines flying from Idaho Falls to Boston

Compare and see reviews for airlines that fly from Idaho Falls to Boston with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $326Free CancellationRating
7.4
8,999 reviews
Search United Airlines flights
DeltaPriceFrom $400Free CancellationRating
7.9
7,992 reviews
Search Delta flights
American AirlinesPriceFrom $400Free CancellationRating
7.2
11,032 reviews
Search American Airlines flights

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Hampton Beach
Salem
Ogunquit
Old Orchard Beach
Hampton
York Beach
Plymouth
Kennebunkport
Cambridge
South Yarmouth
Narragansett
Nashua
Gloucester
Falmouth
Laconia
Brockton
Concord
Everett
Sturbridge
Warwick

Why use momondo?

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

Finding the right flight to Boston from Idaho Falls 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 Boston quick and easy, saving you time and money.

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

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

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

momondo provides multiple filters to help you find the best flight to Boston from Idaho Falls. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to Boston, momondo offers a useful price alert feature which will track prices for flights to Boston from Idaho Falls and alert you when they change.

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