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$188+ 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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — BOS
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$421
(Delta)

One-way from

$188
(Kiwi.com)

Popular in

February

Cheapest in

March

Average price

$535
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. 13% potential increase in price ($109 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($57 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 17, 2025.

This Delta deal was found by Cheapflights users on 9/16. 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.
Wed 10/296:53 pmIDA - BOS
1 stop9h 47mDelta
Sun 11/25:15 amBOS - IDA
1 stop8h 18mDelta
Deal found 9/16$421
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 11/16:05 amIDA - BOS
1 stop16h 15mAlaska Airlines
Tue 11/47:00 amBOS - IDA
1 stop18h 59mAlaska Airlines
Deal found 9/16$422
This Delta deal was found by Cheapflights users on 9/16. 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.
Mon 10/276:53 pmIDA - BOS
1 stop9h 47mDelta
Wed 11/510:25 amBOS - IDA
1 stop9h 48mDelta
Deal found 9/16$431
This Delta deal was found by Cheapflights users on 9/16. 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.
Tue 10/286:00 amIDA - BOS
2 stops12h 10mDelta
Wed 11/510:25 amBOS - IDA
1 stop9h 48mDelta
Deal found 9/16$436
This American Airlines deal was found by Cheapflights users on 9/16. 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 11/157:10 amIDA - BOS
2 stops13h 43mAmerican Airlines
Sun 11/165:30 amBOS - IDA
1 stop9h 57mAmerican Airlines
Deal found 9/16$441
This Delta deal was found by Cheapflights users on 9/16. 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.
Sun 11/26:53 pmIDA - BOS
1 stop9h 47mDelta
Wed 11/510:25 amBOS - IDA
1 stop9h 48mDelta
Deal found 9/16$446
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 10/316:05 amIDA - BOS
1 stop16h 15mAlaska Airlines
Wed 11/57:00 amBOS - IDA
1 stop10h 13mAlaska Airlines
Deal found 9/16$451
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 10/316:05 amIDA - BOS
1 stop16h 15mAlaska Airlines
Tue 11/47:00 amBOS - IDA
1 stop18h 59mAlaska Airlines
Deal found 9/16$452
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/110:50 amIDA - BOS
1 stop7h 11mUnited Airlines
Tue 10/79:30 amBOS - IDA
2 stops9h 48mUnited Airlines
Deal found 9/14$456
This Delta deal was found by Cheapflights users on 9/16. 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.
Mon 10/276:53 pmIDA - BOS
2 stops19h 08mDelta
Thu 10/306:15 amBOS - IDA
1 stop8h 18mDelta
Deal found 9/16$466
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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.
Mon 10/276:05 amIDA - BOS
1 stop16h 15mAlaska Airlines
Fri 10/317:00 amBOS - IDA
1 stop10h 13mAlaska Airlines
Deal found 9/16$476

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 September 17, 2025.
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

Sat 11/1

6:05 am-12:20 am

1 stop16h 15m

Boston Logan Intl

Wed 11/5

7:00 am-3:13 pm

1 stop10h 13m

$421

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Wed 10/29

6:53 pm-6:40 am

1 stop9h 47m

Boston Logan Intl

Sun 11/2

5:15 am-11:33 am

1 stop8h 18m

$421

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Thu 10/30

6:53 pm-6:40 am

1 stop9h 47m

Boston Logan Intl

Tue 11/4

6:15 am-12:33 pm

1 stop8h 18m

$431

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Thu 10/30

6:53 pm-6:40 am

1 stop9h 47m

Boston Logan Intl

Wed 11/5

6:15 am-12:33 pm

1 stop8h 18m

$431

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Tue 10/28

1:15 pm-11:48 pm

1 stop8h 33m

Boston Logan Intl

Wed 11/5

10:25 am-6:13 pm

1 stop9h 48m

$431

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Mon 10/27

6:53 pm-6:40 am

1 stop9h 47m

Boston Logan Intl

Thu 10/30

6:15 am-12:33 pm

1 stop8h 18m

$431

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Mon 10/27

6:53 pm-6:40 am

1 stop9h 47m

Boston Logan Intl

Wed 11/5

10:25 am-6:13 pm

1 stop9h 48m

$431

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Mon 10/27

6:53 pm-6:40 am

1 stop9h 47m

Boston Logan Intl

Tue 11/4

6:15 am-12:33 pm

1 stop8h 18m

$431

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Tue 10/28

6:53 pm-6:40 am

1 stop9h 47m

Boston Logan Intl

Sun 11/2

5:15 am-11:33 am

1 stop8h 18m

$431

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Wed 10/29

6:53 pm-6:40 am

1 stop9h 47m

Boston Logan Intl

Tue 11/4

6:15 am-12:33 pm

1 stop8h 18m

$431

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 21 results
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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, January is the cheapest month in which you can book a flight from Idaho Falls to Boston (average of $218). Flying from Idaho Falls to Boston in July is currently the most expensive (average of $311). 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.

What is the cheapest time of day to fly from IDA to BOS?

Find hourly flight availability from Idaho Falls to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

A simple way to save on the total cost of your ticket is to fly from Idaho Falls to Boston in the evening. If you’re flexible enough to do this you can expect to save up to 40% on your trip compared to booking a flight in the morning.

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 September 17, 2025.
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
8.0
Very good
7,961 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,926 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 9h 47m. Fly via 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 $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, January is the cheapest month in which you can book a flight from Idaho Falls to Boston (average of $218). Flying from Idaho Falls to Boston in July is currently the most expensive (average of $311). 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
Seabrook
Seekonk
Lincoln
Lowell
Smithfield
Cranston
Chestnut Hill
Chelsea
Warwick
Peabody
Quincy
York Beach
Swansea
Old Orchard Beach
Brockton
Waltham

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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$326Average$719FlexibilityNo cancel feeOn-time69%
DeltaCheapest$400Average$534FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$400Average$476FlexibilityNo cancel feeOn-time71%

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