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$287+ 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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — BOS
Feb 18 — Feb 251
Wed 2/18
Wed 2/25
1 adult, Economy
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Cheap 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 January 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$435
(Delta)

One-way from

$266
(Alaska Airlines)

Popular in

June

Cheapest in

August

Average price

$594
Provider with most accurate pricing for Idaho Falls Fanning Field-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Boston Logan Intl flights.
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From Idaho Falls Fanning Field to Boston Logan Intl
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One-way flight from Idaho Falls Fanning Field to Boston Logan Intl
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Highest demand for flights based on searches. 12% potential increase in price ($100 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find 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 January 19, 2026.

This United Airlines deal was found by Cheapflights users on 1/18. 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.
Wed 8/125:57 pm
IDA
-
BOS
2 stops12h 47m
United Airlines
Wed 8/197:30 am
BOS
-
IDA
1 stop7h 59m
United Airlines
Deal found 1/18$364
This American Airlines deal was found by Cheapflights users on 1/18. 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.
Sat 9/191:44 pm
IDA
-
BOS
1 stop6h 21m
American Airlines
Sun 9/275:32 am
BOS
-
IDA
1 stop8h 40m
American Airlines
Deal found 1/18$425
This Delta deal was found by Cheapflights users on 1/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/66:35 pm
IDA
-
BOS
1 stop9h 30m
Delta
Sun 2/85:35 pm
BOS
-
IDA
1 stop7h 22m
Delta
Deal found 1/19$435
This United Airlines deal was found by Cheapflights users on 1/17. 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.
Tue 1/272:40 pm
IDA
-
BOS
1 stop7h 06m
United Airlines
Sat 1/317:25 am
BOS
-
IDA
1 stop10h 06m
United Airlines
Deal found 1/17$439
This American Airlines deal was found by Cheapflights users on 1/19. 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.
Fri 2/67:20 am
IDA
-
BOS
2 stops13h 36m
American Airlines
Sun 2/86:00 am
BOS
-
IDA
1 stop9h 37m
American Airlines
Deal found 1/19$440
This Alaska Airlines deal was found by Cheapflights users on 1/19. 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.
Thu 4/26:00 am
IDA
-
BOS
2 stops21h 53m
Alaska Airlines
Mon 4/66:10 pm
BOS
-
IDA
1 stop24h 09m
Alaska Airlines
Deal found 1/19$443

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 January 19, 2026.
Use the filters below to find and compare flights from Idaho Falls to Boston that are best for you.

Fly from

Idaho Falls

Fly to

Boston

Route

Depart

Return

Price

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Fri 2/6

6:35 pm-6:05 am

1 stop9h 30m

Boston Logan Intl

Sun 2/8

5:35 pm-10:57 pm

1 stop7h 22m

$435

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Fri 2/6

7:20 am-10:56 pm

2 stops13h 36m

Boston Logan Intl

Sun 2/8

6:00 am-1:37 pm

1 stop9h 37m

$440

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Thu 4/2

6:00 am-5:53 am

2 stops21h 53m

Boston Logan Intl

Mon 4/6

6:10 pm-4:19 pm

1 stop24h 09m

$443

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Sun 7/12

12:41 pm-9:26 am

1 stop18h 45m

Boston Logan Intl

Tue 7/14

6:22 am-1:13 pm

1 stop8h 51m

$548

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Mon 2/2

2:40 pm-11:46 pm

1 stop7h 06m

Boston Logan Intl

Fri 2/6

6:00 am-3:31 pm

2 stops11h 31m

$557

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Fri 3/20

2:35 pm-5:51 am

1 stop13h 16m

Boston Logan Intl

Sun 3/22

7:00 am-1:30 pm

1 stop8h 30m

$566

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Tue 2/17

5:20 pm-11:59 pm

1 stop28h 39m

$287

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Sun 3/1

8:00 am-5:24 pm

2 stops31h 24m

$304

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Tue 2/17

6:03 am-11:01 pm

2 stops14h 58m

$310

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Tue 2/17

2:40 pm-7:56 pm

3 stops27h 16m

$393

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/18

Showing 1-10 of 11 results
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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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 Expedia the most. Expedia 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 January 19, 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
8,080 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

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
8,080 reviews
Delta
7.9
Good
8,080 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

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
9,183 reviews
Delta
7.9
Good
8,080 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

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
7.2
Good
11,164 reviews
Delta
7.9
Good
8,080 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

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 11h 12m. Fly via American Airlines or United Airlines 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 $326. Other airlines that can offer you cheap pricing are American Airlines, from $400, and Delta, from $400. United Airlines is currently priced 51% 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
Cambridge
Medford
Hampton Beach
Watertown
Seekonk
Brockton
Warwick
Seabrook
Cranston
Lincoln
Lowell
Smithfield
Peabody
Quincy
York Beach
Londonderry
Swansea
Old Orchard Beach
Waltham
Chelsea

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 January 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$326Average$710FlexibilityNo cancel feeOn-time69%
DeltaCheapest$400Average$554FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$400Average$660FlexibilityNo cancel feeOn-time71%

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