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$226+ 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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — BOS
Nov 30 — Dec 71
Sun 11/30
Sun 12/7
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 October 31, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$421
(Delta)

One-way from

$226
(Delta)

Popular in

February

Cheapest in

March

Average price

$690
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. 15% potential increase in price ($117 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($59 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 31, 2025.

This Delta deal was found by Cheapflights users on 10/30. 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 12/107:06 pmIDA - BOS
1 stop9h 14mDelta
Mon 12/156:10 amBOS - IDA
1 stop8h 27mDelta
Deal found 10/30$421
This Delta deal was found by Cheapflights users on 10/29. 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 11/146:57 pmIDA - BOS
1 stop9h 28mDelta
Wed 11/196:10 amBOS - IDA
1 stop8h 24mDelta
Deal found 10/29$461
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/145:00 amIDA - BOS
2 stops10h 19mUnited Airlines
Wed 11/197:25 amBOS - IDA
1 stop9h 51mUnited Airlines
Deal found 10/29$491
This Delta deal was found by Cheapflights users on 10/29. 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 11/146:57 pmIDA - BOS
1 stop9h 28mDelta
Tue 11/186:10 amBOS - IDA
1 stop8h 24mDelta
Deal found 10/29$501
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/262:45 pmIDA - BOS
1 stop6h 54mUnited Airlines
Wed 12/36:00 amBOS - IDA
2 stops9h 35mUnited Airlines
Deal found 10/29$503
This Delta deal was found by Cheapflights users on 10/29. 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 11/176:57 pmIDA - BOS
1 stop9h 33mDelta
Sat 11/225:15 pmBOS - IDA
1 stop7h 18mDelta
Deal found 10/29$510

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 October 31, 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 12/10

7:06 pm-6:20 am

1 stop9h 14m

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 11/14

6:57 pm-6:25 am

1 stop9h 28m

Boston Logan Intl

Wed 11/19

6:10 am-12:34 pm

1 stop8h 24m

$461

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Tue 3/10

6:45 pm-6:13 am

1 stop9h 28m

Boston Logan Intl

Wed 3/11

3:05 pm-10:21 pm

2 stops9h 16m

$475

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Fri 11/14

5:00 am-5:19 pm

2 stops10h 19m

Boston Logan Intl

Wed 11/19

7:25 am-3:16 pm

1 stop9h 51m

$491

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Fri 11/14

6:57 pm-6:25 am

1 stop9h 28m

Boston Logan Intl

Tue 11/18

6:10 am-12:34 pm

1 stop8h 24m

$501

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Tue 3/10

4:00 pm-7:16 am

1 stop13h 16m

Boston Logan Intl

Wed 3/11

10:00 am-10:38 pm

1 stop14h 38m

$502

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Fri 11/21

9:43 pm-8:49 pm

2 stops45h 06m

$246

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Mon 2/9

9:00 am-3:20 pm

2 stops28h 20m

$282

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Fri 11/21

6:57 pm-6:30 am

1 stop9h 33m

$300

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Sun 11/30

9:35 pm-10:38 am

2 stops11h 03m

$366

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/31

Showing 1-10 of 13 results
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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Idaho Falls-Boston flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 July is currently the most expensive (average of $489). 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 October 31, 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 39% on your trip compared to booking a flight in the morning.

How much does it cost to fly round-trip from Idaho Falls to Boston?

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 October 31, 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
7.9
Good
7,996 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,996 reviews
Delta
7.9
Good
7,996 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,995 reviews
Delta
7.9
Good
7,996 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,031 reviews
Delta
7.9
Good
7,996 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 14m. Fly via Delta to get the fastest option. Airlines will cover a distance of 2056 mi.

  • 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.

  • 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 $282 on Alaska Airlines. Other airlines that offer cheap prices include Delta from $300 and United Airlines from $366 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, 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 July is currently the most expensive (average of $489). 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
Peabody
Quincy
York Beach
Warwick
Swansea
Old Orchard Beach
Brockton
Waltham
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 October 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$326Average$710FlexibilityNo cancel feeOn-time69%
DeltaCheapest$400Average$534FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$400Average$512FlexibilityNo cancel feeOn-time71%

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