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$306+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — BOS
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
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 August 20, 2025.

Round-trip from

$401
(American Airlines)

One-way from

$306
(American Airlines)

Popular in

February

Cheapest in

March

Average price

$690
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. 8% potential price decrease ($57 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 20, 2025.

This American Airlines deal was found by Cheapflights users on 8/19. 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.
Wed 10/112:54 pmIDA - BOS
1 stop7h 46mAmerican Airlines
Thu 10/95:30 amBOS - IDA
1 stop9h 11mAmerican Airlines
Deal found 8/19$401
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/283:50 pmIDA - BOS
1 stop30h 30mAlaska Airlines
Sat 11/17:00 amBOS - IDA
1 stop18h 59mAlaska Airlines
Deal found 8/18$402
This American Airlines deal was found by Cheapflights users on 8/18. 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.
Tue 10/76:44 amIDA - BOS
2 stops13h 04mAmerican Airlines
Tue 10/145:30 amBOS - IDA
1 stop8h 55mAmerican Airlines
Deal found 8/18$406
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Tue 10/2810:50 amIDA - BOS
2 stops8h 59mUnited Airlines
Sat 11/111:40 amBOS - IDA
1 stop8h 06mUnited Airlines
Deal found 8/18$421
This Mytrip deal was found by Cheapflights users on 8/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2610:55 pmIDA - BOS
2 stops21h 52mMultiple Airlines
Mon 9/295:50 amBOS - IDA
2 stops10h 59mMultiple Airlines
Deal found 8/17$423
This American Airlines deal was found by Cheapflights users on 8/18. 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.
Fri 9/1912:54 pmIDA - BOS
1 stop8h 59mAmerican Airlines
Mon 9/225:00 amBOS - IDA
1 stop9h 24mAmerican Airlines
Deal found 8/18$426
This Delta deal was found by Cheapflights users on 8/19. 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.
Sat 9/276:51 pmIDA - BOS
1 stop9h 34mDelta
Tue 10/76:15 amBOS - IDA
1 stop8h 18mDelta
Deal found 8/19$431
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/35:00 amIDA - BOS
1 stop7h 07mUnited Airlines
Sun 9/77:30 amBOS - IDA
1 stop8h 00mUnited Airlines
Deal found 8/18$461
This Delta deal was found by Cheapflights users on 8/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/26:52 pmIDA - BOS
1 stop9h 33mDelta
Sat 9/65:20 pmBOS - IDA
1 stop7h 07mDelta
Deal found 8/18$486

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 August 20, 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

Wed 10/1

12:54 pm-10:40 pm

1 stop7h 46m

Boston Logan Intl

Thu 10/9

5:30 am-12:41 pm

1 stop9h 11m

$401

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Tue 10/28

3:50 pm-12:20 am

1 stop30h 30m

Boston Logan Intl

Sat 11/1

7:00 am-11:59 pm

1 stop18h 59m

$402

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Tue 10/7

6:44 am-9:48 pm

2 stops13h 04m

Boston Logan Intl

Tue 10/14

5:30 am-12:25 pm

1 stop8h 55m

$406

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Tue 10/28

10:50 am-9:49 pm

2 stops8h 59m

Boston Logan Intl

Sat 11/1

11:40 am-5:46 pm

1 stop8h 06m

$421

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Fri 9/26

10:55 pm-10:47 pm

2 stops21h 52m

Boston Logan Intl

Mon 9/29

5:50 am-2:49 pm

2 stops10h 59m

$423

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Fri 9/19

12:54 pm-11:53 pm

1 stop8h 59m

Boston Logan Intl

Mon 9/22

5:00 am-12:24 pm

1 stop9h 24m

$426

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Sat 9/27

6:51 pm-6:25 am

1 stop9h 34m

Boston Logan Intl

Tue 10/7

6:15 am-12:33 pm

1 stop8h 18m

$431

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Sun 8/31

7:00 am-5:26 pm

1 stop8h 26m

$306

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Sun 9/14

5:56 pm-11:01 am

2 stops15h 05m

$330

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Mon 8/25

3:00 pm-11:58 pm

1 stop6h 58m

$356

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 13 results
1
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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 August 20, 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 August 20, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and United 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
United Airlines
7.4
Good
8,928 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.

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 46m. Fly via American Airlines or Alaska 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 Alaska Airlines, from $381, and Delta, from $400. United Airlines is currently priced 52% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Idaho Falls to Boston one-way?

    One-way options have recently been found by users for as low as $306 on American Airlines. Other airlines that offer cheap prices include United Airlines from $330 and Delta from $356 one-way.

  • 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
Watertown
Hampton Beach
Waltham
Seabrook
Lowell
Lincoln
Smithfield
Cranston
Chestnut Hill
Warwick
Peabody
Quincy
York Beach
Chelsea
Swansea
Saugus
Burlington
Braintree

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Top 4 airlines flying from Idaho Falls to Boston

Discover the top 4 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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$326Average$719FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$381Average$545FlexibilityNo cancel feeOn-time75%
DeltaCheapest$400Average$508FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$415Average$444FlexibilityNo cancel feeOn-time71%

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