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$241+ Cheap flights from Idaho Falls to Boston (IDA - BOS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — BOS
Apr 1 — Apr 81
Wed 4/1
Wed 4/8
1 adult, Economy
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Cheap flight deals from Idaho Falls to Boston

Cheapest flights from Idaho Falls to Boston
Explore the most affordable flight options available from Idaho Falls to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 2, 2026.

This American Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1312:46 pm
IDA
-
BOS
1 stop9h 16m
American Airlines
Tue 8/185:29 am
BOS
-
IDA
1 stop8h 41m
American Airlines
Deal found 2/26$329
This Expedia deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/235:59 pm
IDA
-
BOS
1 stop10h 40m
Alaska Airlines
Tue 3/315:40 pm
BOS
-
IDA
2 stops31h 12m
Alaska Airlines
Deal found 2/26$381
This Alaska Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/194:03 pm
IDA
-
BOS
1 stop12h 17m
Alaska Airlines
Wed 6/106:10 am
BOS
-
IDA
1 stop8h 56m
Alaska Airlines
Deal found 3/1$386
This Alaska Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/164:03 pm
IDA
-
BOS
1 stop12h 17m
Alaska Airlines
Fri 6/125:53 pm
BOS
-
IDA
1 stop23h 44m
Alaska Airlines
Deal found 3/1$389
This American Airlines deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/112:46 pm
IDA
-
BOS
1 stop9h 16m
American Airlines
Tue 9/85:29 am
BOS
-
IDA
1 stop8h 41m
American Airlines
Deal found 2/27$400
This American Airlines deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:05 am
IDA
-
BOS
1 stop8h 25m
American Airlines
Tue 4/711:34 am
BOS
-
IDA
2 stops14h 05m
American Airlines
Deal found 2/27$405
This American Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1312:46 pm
IDA
-
BOS
1 stop9h 16m
American Airlines
Mon 8/177:26 pm
BOS
-
IDA
1 stop18h 44m
American Airlines
Deal found 2/26$413
This Alaska Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:03 pm
IDA
-
BOS
1 stop30h 02m
Alaska Airlines
Tue 10/277:20 am
BOS
-
IDA
1 stop10h 09m
Alaska Airlines
Deal found 3/1$416
This United Airlines deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/82:31 pm
IDA
-
BOS
1 stop7h 28m
United Airlines
Tue 5/127:09 am
BOS
-
IDA
1 stop8h 16m
United Airlines
Deal found 2/27$430
This Alaska Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/194:03 pm
IDA
-
BOS
1 stop12h 17m
Alaska Airlines
Tue 6/96:00 am
BOS
-
IDA
1 stop9h 17m
Alaska Airlines
Deal found 3/1$431

Find flight deals from Idaho Falls to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) to Boston (BOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$329
(American Airlines)

One-way from

$241
(Delta)

Popular in

June

Cheapest in

August

Average price

$710
Provider with most accurate pricing for Idaho Falls Fanning Field-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Boston Logan Intl flights.
Search Deals
From Idaho Falls Fanning Field to Boston Logan Intl
Search Deals
One-way flight from Idaho Falls Fanning Field to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($150 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated March 2, 2026.
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

Mon 3/23

5:59 pm-6:39 am

1 stop10h 40m

Boston Logan Intl

Tue 3/31

5:40 pm-10:52 pm

2 stops31h 12m

$381

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Fri 5/8

2:31 pm-11:59 pm

1 stop7h 28m

Boston Logan Intl

Tue 5/12

7:09 am-1:25 pm

1 stop8h 16m

$430

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Sat 5/16

6:54 pm-6:20 am

1 stop9h 26m

Boston Logan Intl

Fri 6/12

7:10 am-6:14 pm

2 stops13h 04m

$479

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Thu 4/2

4:59 pm-6:39 am

1 stop11h 40m

Boston Logan Intl

Mon 4/6

7:15 am-10:52 pm

1 stop17h 37m

$486

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Thu 4/2

1:10 pm-11:59 pm

1 stop8h 49m

Boston Logan Intl

Wed 4/8

6:15 am-12:27 pm

1 stop8h 12m

$490

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Tue 5/5

10:40 am-11:59 pm

2 stops11h 19m

Boston Logan Intl

Sat 5/16

4:52 pm-9:55 am

1 stop19h 03m

$520

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Sat 5/9

10:40 am-12:59 am

2 stops12h 19m

Boston Logan Intl

Tue 6/9

12:30 pm-9:50 am

2 stops23h 20m

$532

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Mon 5/18

6:00 am-4:32 pm

1 stop8h 32m

Boston Logan Intl

Mon 6/15

6:10 am-1:06 pm

1 stop8h 56m

$549

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Sun 3/15

6:55 pm-6:10 am

1 stop9h 15m

Boston Logan Intl

Thu 3/19

6:15 am-12:27 pm

1 stop8h 12m

$551

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Thu 4/2

2:30 pm-10:04 am

2 stops17h 34m

Boston Logan Intl

Mon 4/6

4:50 pm-9:53 am

1 stop19h 03m

$555

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

Compare providers for flights from Idaho Falls to Boston

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Idaho Falls to Boston in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Idaho Falls-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Idaho Falls-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Idaho Falls-Boston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Idaho Falls-Boston flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Idaho Falls-Boston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Idaho Falls to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Idaho Falls with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Idaho Falls to Boston

What is the cheapest month to book a flight from Idaho Falls to Boston?

Currently, September is the cheapest month in which you can book a flight from Idaho Falls to Boston (average of $290). Flying from Idaho Falls to Boston in January is currently the most expensive (average of $495). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated March 2, 2026.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Idaho Falls to Boston. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,237 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,237 reviews
Delta
7.9
Good
8,237 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,375 reviews
Delta
7.9
Good
8,237 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.1
Good
11,369 reviews
Delta
7.9
Good
8,237 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Idaho Falls to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Idaho Falls to Boston?

    There are many flights that can get you from Idaho Falls to Boston in 7h 28m. Fly via United Airlines, Alaska Airlines, or Delta to get the fastest option. Airlines will cover a distance of 2056 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Idaho Falls to Boston round-trip?

    Cheapflights users have booked flights from Idaho Falls to Boston round-trip from $400. Other airlines that can offer you cheap pricing are Delta, from $400, and United Airlines, from $476. American Airlines is currently priced 38% below the average price you’ll pay for this route.

  • Can I find deals for flights from Idaho Falls to Boston that include hotel bookings?

    Yes. In addition to deals on Idaho Falls to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho Falls to Boston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho Falls to Boston.

  • Can I find deals for business class flights from Idaho Falls to Boston?

    Yes. Cheapflights offers flight deals from Idaho Falls to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Idaho Falls to Boston?

    Currently, September is the cheapest month in which you can book a flight from Idaho Falls to Boston (average of $290). Flying from Idaho Falls to Boston in January is currently the most expensive (average of $495). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Medford
Cambridge
Hampton Beach
Watertown
Seekonk
Brockton
Concord
Seabrook
Cranston
Lincoln
Smithfield
Warwick
Peabody
York Beach
Londonderry
Swansea
Old Orchard Beach
Quincy
Lowell
Chelsea

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Idaho Falls to Boston

Discover the top 3 airlines that operate flights from Idaho Falls to Boston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$400Average$660FlexibilityNo cancel feeOn-time71%
DeltaCheapest$400Average$574FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$476Average$676FlexibilityNo cancel feeOn-time69%

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