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$190+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — BOS
Sep 3 — Sep 101
Thu 9/3
Thu 9/10
1 adult, Economy
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Cheap 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 4, 2026.

This American Airlines deal was found by Cheapflights users on 8/1. 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 10/141:50 pm
IDA
-
BOS
1 stop6h 46m
American Airlines
Wed 10/216:10 am
BOS
-
IDA
1 stop8h 59m
American Airlines
Deal found 8/1$379
This Booking.com deal was found by Cheapflights users on 8/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/233:57 pm
IDA
-
BOS
1 stop12h 12m
Alaska Airlines
Tue 9/297:12 am
BOS
-
IDA
1 stop10h 08m
Alaska Airlines
Deal found 8/3$406
This Alaska Airlines deal was found by Cheapflights users on 8/3. 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 9/213:57 pm
IDA
-
BOS
1 stop12h 12m
Alaska Airlines
Fri 9/254:48 pm
BOS
-
IDA
1 stop24h 32m
Alaska Airlines
Deal found 8/3$409
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1312:06 pm
IDA
-
BOS
1 stop8h 00m
American Airlines
Fri 8/216:24 am
BOS
-
IDA
1 stop8h 45m
American Airlines
Deal found 7/30$429
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:15 am
IDA
-
BOS
1 stop8h 31m
Alaska Airlines
Wed 12/97:08 am
BOS
-
IDA
1 stop10h 21m
Alaska Airlines
Deal found 7/30$433
This Delta deal was found by Cheapflights users on 8/3. 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 9/196:00 am
IDA
-
BOS
2 stops24h 40m
Delta
Tue 9/296:05 am
BOS
-
IDA
1 stop8h 10m
Delta
Deal found 8/3$434
This Delta deal was found by Cheapflights users on 8/3. 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 9/216:57 pm
IDA
-
BOS
1 stop9h 33m
Delta
Tue 9/296:05 am
BOS
-
IDA
1 stop8h 10m
Delta
Deal found 8/3$439
This American Airlines deal was found by Cheapflights users on 8/2. 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 9/11:43 pm
IDA
-
BOS
1 stop7h 07m
American Airlines
Mon 9/76:45 am
BOS
-
IDA
1 stop9h 05m
American Airlines
Deal found 8/2$444
This Alaska Airlines deal was found by Cheapflights users on 8/2. 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 9/213:57 pm
IDA
-
BOS
2 stops11h 50m
Alaska Airlines
Tue 9/297:12 am
BOS
-
IDA
1 stop10h 08m
Alaska Airlines
Deal found 8/2$448
This Orbitz deal was found by Cheapflights users on 8/2. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/252:01 pm
IDA
-
BOS
1 stop15h 38m
Alaska Airlines
Mon 9/287:59 pm
BOS
-
IDA
1 stop21h 21m
Alaska Airlines
Deal found 8/2$458

Find 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 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$379
(American Airlines)

One-way from

$190
(Delta)

Popular in

July

Cheapest in

August

Average price

$415
Provider with most accurate pricing for Idaho Falls Fanning Field-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Boston Logan Intl flights.
Search Deals
From Idaho Falls Fanning Field to Boston Logan Intl
Search Deals
One-way flight from Idaho Falls Fanning Field to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($47 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

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 4, 2026.
Use the filters below to find and compare flights from Idaho Falls to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Wed 10/14

1:50 pm-10:37 pm

1 stop6h 47m

Boston Logan Intl

Wed 10/21

6:27 am-1:09 pm

1 stop8h 42m

$379

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Sat 10/17

6:00 am-8:15 pm

2 stops12h 15m

Boston Logan Intl

Wed 10/21

6:05 am-12:22 pm

1 stop8h 17m

$434

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Fri 9/4

2:25 pm-11:54 pm

1 stop7h 29m

Boston Logan Intl

Sun 9/6

7:30 am-3:23 pm

2 stops9h 53m

$463

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Wed 9/23

6:57 pm-6:30 am

1 stop9h 33m

Boston Logan Intl

Wed 9/30

6:05 am-12:15 pm

1 stop8h 10m

$469

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Thu 9/24

6:57 pm-6:30 am

1 stop9h 33m

Boston Logan Intl

Wed 9/30

6:05 am-12:15 pm

1 stop8h 10m

$479

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Sat 10/17

6:09 am-5:35 pm

1 stop9h 26m

Boston Logan Intl

Wed 10/21

7:03 am-3:20 pm

1 stop10h 17m

$481

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Sat 12/5

6:15 am-4:46 pm

1 stop8h 31m

Boston Logan Intl

Wed 12/9

5:45 pm-2:27 pm

2 stops22h 42m

$495

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Mon 8/17

2:25 pm-11:54 pm

1 stop7h 29m

Boston Logan Intl

Fri 8/21

8:05 am-3:23 pm

2 stops9h 18m

$504

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Sat 12/5

5:57 pm-9:55 am

2 stops13h 58m

Boston Logan Intl

Wed 12/9

11:45 am-5:22 pm

1 stop7h 37m

$524

Idaho FallsBoston

IDA - BOS

IDABOS

Idaho Falls Fanning Field

Thu 9/24

2:01 pm-5:47 am

2 stops13h 46m

Boston Logan Intl

Wed 9/30

7:12 am-3:20 pm

1 stop10h 08m

$553

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/2

Showing 1-10 of 19 resultsSorted by cheapest first
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 August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 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 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 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, August is the cheapest month in which you can book a flight from Idaho Falls to Boston (average of $415). Flying from Idaho Falls to Boston in July is currently the most expensive (average of $838). 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 August 4, 2026.
Read reviews from past customers who have flown Alaska Airlines,United Airlines, andAmerican 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
7.9
Good
12,758 reviews

Crew

8.5

Overall

7.9

Food

7.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Alaska Airlines
7.9
Good
12,758 reviews
Alaska Airlines
7.9
Good
12,758 reviews

Crew

8.5

Overall

7.9

Food

7.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
United Airlines
7.4
Good
10,058 reviews
Alaska Airlines
7.9
Good
12,758 reviews

Crew

8.5

Overall

7.9

Food

7.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
American Airlines
7.1
Good
11,845 reviews
Alaska Airlines
7.9
Good
12,758 reviews

Crew

8.5

Overall

7.9

Food

7.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

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 6h 47m. Fly via American Airlines, Delta, 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 $368. Other airlines that can offer you cheap pricing are American Airlines, from $400, and United Airlines, from $476. Alaska Airlines is currently priced 36% 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 $184 on Delta. Other airlines that offer cheap prices include United Airlines from $184 and American Airlines from $235 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, August is the cheapest month in which you can book a flight from Idaho Falls to Boston (average of $415). Flying from Idaho Falls to Boston in July is currently the most expensive (average of $838). 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
Waltham
Cambridge
Concord
Randolph
Brockton
Seekonk
Hampton Beach
Cranston
Warwick
Peabody
Dedham
Auburn
York Beach
Chelsea
Londonderry
Swansea
Fitchburg
North Falmouth
Braintree
Revere

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 August 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$368Average$413FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$400Average$515FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$476Average$609FlexibilityNo cancel feeOn-time69%

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