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Idaho Falls

$216+ Cheap flights from Boston to Idaho Falls (BOS - IDA)

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 4/16. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — IDA
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheap flight deals from Boston to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Idaho Falls (IDA). 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 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$431
(Delta)

One-way from

$246
(American Airlines)

Popular in

August

Cheapest in

November

Average price

$794
Provider with most accurate pricing for Boston Logan Intl-Idaho Falls Fanning Field flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Idaho Falls Fanning Field flights.
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From Boston Logan Intl to Idaho Falls Fanning Field
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One-way flight from Boston Logan Intl to Idaho Falls Fanning Field
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Highest demand for flights based on searches. 12% potential increase in price ($104 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Boston to Idaho Falls

Cheapest flights from Boston to Idaho Falls
Explore the most affordable flight options available from Boston to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This Delta deal was found by Cheapflights users on 3/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/244:25 pmBOS - IDA
1 stop8h 30mDelta
Sat 5/316:50 pmIDA - BOS
1 stop9h 35mDelta
Deal found 3/26$431
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/247:59 pmBOS - IDA
2 stops21h 41mAlaska Airlines
Sat 5/314:20 pmIDA - BOS
1 stop13h 00mAlaska Airlines
Deal found 3/27$452
This American Airlines deal was found by Cheapflights users on 3/26. 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.
Sun 4/139:00 amBOS - IDA
2 stops15h 10mAmerican Airlines
Wed 4/167:43 amIDA - BOS
2 stops11h 55mAmerican Airlines
Deal found 3/26$481
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Mon 4/147:10 amBOS - IDA
1 stop8h 18mUnited Airlines
Wed 4/1610:50 amIDA - BOS
1 stop9h 08mUnited Airlines
Deal found 3/27$511

Cheapflights Fare Finder

Customize your flight search to find flights from Boston to Idaho Falls 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 28, 2025.
Use the filters below to find and compare flights from Boston to Idaho Falls that are best for you.

Fly from

Boston

Fly to

Idaho Falls

Route

Depart

Return

Price

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Sat 5/24

4:25 pm-10:55 pm

1 stop8h 30m

Idaho Falls Fanning Field

Sat 5/31

6:50 pm-6:25 am

1 stop9h 35m

$431

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Sat 5/24

7:59 pm-3:40 pm

2 stops21h 41m

Idaho Falls Fanning Field

Sat 5/31

4:20 pm-7:20 am

1 stop13h 00m

$452

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Sun 4/13

9:00 am-10:10 pm

2 stops15h 10m

Idaho Falls Fanning Field

Wed 4/16

7:43 am-9:38 pm

2 stops11h 55m

$481

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Mon 4/14

7:10 am-1:28 pm

1 stop8h 18m

Idaho Falls Fanning Field

Wed 4/16

10:50 am-9:58 pm

1 stop9h 08m

$511

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Wed 4/16

6:15 am-12:26 pm

1 stop8h 11m

$216

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Sat 7/19

11:04 am-9:35 pm

2 stops12h 31m

$246

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Tue 4/15

7:00 am-3:34 pm

1 stop10h 34m

$255

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Fri 7/18

7:20 am-3:23 pm

1 stop10h 03m

$308

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Tue 4/15

9:30 am-1:28 pm

3 stops29h 58m

$330

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Compare providers for flights from Boston to Idaho Falls

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 Boston to Idaho Falls in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust 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 Boston-Idaho Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Idaho Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Idaho Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Idaho Falls 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 Boston-Idaho Falls 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 Boston to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Boston 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 Boston to Idaho Falls

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

Currently, October is the cheapest month in which you can book a flight from Boston to Idaho Falls (average of $380). Flying from Boston to Idaho Falls in July is currently the most expensive (average of $628). 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 BOS to IDA?

Find hourly flight availability from Boston to Idaho Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2025.

One of the essential ways to save on airfare from Boston to Idaho Falls is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 34% on airfare.

Rainfall in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho Falls ranges from 0.6 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. July is typically the driest time to visit Idaho Falls when rainfall is around 0.6 in.

Temperature in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to Idaho Falls. 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 Idaho Falls. Reviews last updated March 28, 2025.
Read through reviews of airlines operating flights from Boston to Idaho Falls, such as Alaska Airlines, Delta and Hawaiian Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,798 reviews

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,798 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,896 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,336 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,603 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

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

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

    Flying on Delta is currently your cheapest option to Idaho Falls, with prices starting at $431. Additional round-trip tickets that might be worth considering are offered by Alaska Airlines and American Airlines, with the lowest prices starting at $452 and $481, respectively. These flights start at 39% lower than the current average price 3 months from now.

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

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $246. Hawaiian Airlines flights start at $308 while deals on Alaska Airlines start at $359 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boston to Idaho Falls 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 Boston to Idaho Falls?

    Currently, October is the cheapest month in which you can book a flight from Boston to Idaho Falls (average of $380). Flying from Boston to Idaho Falls in July is currently the most expensive (average of $628). 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

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Top 3 airlines flying from Boston to Idaho Falls

Discover the top 3 airlines that operate flights from Boston to Idaho Falls. 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 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$384Average$668FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$519Average$721FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$543Average$735FlexibilityNo cancel feeOn-time69%
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