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$118+ Cheap flights from Idaho to Boston (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 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BOS
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
1 adult, Economy
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Cheap flight deals from Idaho to Boston

Cheapest flights from Idaho to Boston
Explore the most affordable flight options available from Idaho to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2026.

This Alaska Airlines deal was found by Cheapflights users on 1/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/101:00 pm
BOI
-
BOS
1 stop8h 59m
Alaska Airlines
Tue 3/177:00 am
BOS
-
BOI
1 stop10h 08m
Alaska Airlines
Deal found 1/19$257
This American Airlines deal was found by Cheapflights users on 1/18. 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 3/1712:25 pm
GEG
-
BOS
1 stop8h 40m
American Airlines
Tue 3/246:30 am
BOS
-
GEG
1 stop8h 14m
American Airlines
Deal found 1/18$257
This American Airlines deal was found by Cheapflights users on 1/19. 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 4/11:31 pm
BOI
-
BOS
1 stop8h 34m
American Airlines
Sat 4/45:32 am
BOS
-
BOI
1 stop9h 19m
American Airlines
Deal found 1/19$262
This United Airlines deal was found by Cheapflights users on 1/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:00 am
GEG
-
BOS
2 stops9h 41m
United Airlines
Tue 3/2412:10 pm
BOS
-
GEG
1 stop8h 41m
United Airlines
Deal found 1/19$262
This American Airlines deal was found by Cheapflights users on 1/20. 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 3/47:00 am
BOI
-
BOS
1 stop8h 14m
American Airlines
Wed 3/185:30 am
BOS
-
BOI
1 stop9h 18m
American Airlines
Deal found 1/20$271
This American Airlines deal was found by Cheapflights users on 1/18. 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.
Wed 4/151:33 pm
GEG
-
BOS
1 stop7h 49m
American Airlines
Wed 4/2212:07 pm
BOS
-
GEG
2 stops11h 21m
American Airlines
Deal found 1/18$284
This United Airlines deal was found by Cheapflights users on 1/20. 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 3/106:24 am
BOI
-
BOS
1 stop8h 40m
United Airlines
Tue 3/176:00 am
BOS
-
BOI
2 stops9h 32m
United Airlines
Deal found 1/20$285
This Delta deal was found by Cheapflights users on 1/18. 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.
Sat 3/75:15 pm
BOI
-
BOS
1 stop10h 33m
Delta
Sat 3/149:40 am
BOS
-
BOI
1 stop8h 20m
Delta
Deal found 1/18$291
This United Airlines deal was found by Cheapflights users on 1/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/32:40 pm
JAC
-
BOS
1 stop7h 06m
United Airlines
Sat 2/71:30 pm
BOS
-
JAC
1 stop9h 55m
United Airlines
Deal found 1/19$297
This Alaska Airlines deal was found by Cheapflights users on 1/18. 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 3/101:23 pm
GEG
-
BOS
1 stop7h 36m
Alaska Airlines
Tue 3/247:15 am
BOS
-
GEG
1 stop9h 38m
Alaska Airlines
Deal found 1/18$297
This United Airlines deal was found by Cheapflights users on 1/20. 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 2/105:00 am
GEG
-
BOS
2 stops10h 57m
United Airlines
Wed 2/186:00 am
BOS
-
GEG
2 stops9h 42m
United Airlines
Deal found 1/20$302
This United Airlines deal was found by Cheapflights users on 1/18. 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 3/116:37 pm
GEG
-
BOS
2 stops11h 44m
United Airlines
Wed 3/257:00 am
BOS
-
GEG
1 stop8h 41m
United Airlines
Deal found 1/18$304

Find flight deals from Idaho to Boston

Keep the following information in mind while searching for Idaho to Boston flight deals. Data was last updated January 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$257
(Alaska Airlines)

One-way from

$118
(Trip.com)

Popular in

January

Cheapest in

December

Average price

$816
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Boston Logan Intl flights.
Search Deals
From Idaho to Boston Logan Intl
Search Deals
One-way flight from Idaho to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho 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 January 20, 2026.
Use the filters below to find and compare flights from Idaho to Boston that are best for you.

Fly from

Idaho

Fly to

Boston

Route

Depart

Return

Price

BoiseBoston

BOI - BOS

BOIBOS

Boise Air Term. Gowen Fld

Tue 3/10

1:00 pm-11:59 pm

1 stop8h 59m

Boston Logan Intl

Tue 3/17

7:00 am-3:08 pm

1 stop10h 08m

$257

BoiseBoston

BOI - BOS

BOIBOS

Boise Air Term. Gowen Fld

Tue 3/31

1:31 pm-12:05 am

1 stop8h 34m

Boston Logan Intl

Tue 4/7

6:45 am-12:38 pm

1 stop7h 53m

$257

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Tue 5/5

5:10 pm-6:00 am

1 stop9h 50m

Boston Logan Intl

Sat 5/16

7:05 am-2:46 pm

1 stop10h 41m

$257

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Tue 4/28

7:10 am-9:54 pm

2 stops11h 44m

Boston Logan Intl

Sat 5/2

9:15 am-3:18 pm

1 stop9h 03m

$262

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Tue 3/10

6:00 am-6:41 pm

2 stops9h 41m

Boston Logan Intl

Tue 3/24

12:10 pm-5:51 pm

1 stop8h 41m

$262

BoiseBoston

BOI - BOS

BOIBOS

Boise Air Term. Gowen Fld

Sat 4/18

2:10 pm-1:15 am

1 stop9h 05m

Boston Logan Intl

Wed 4/22

5:55 am-2:04 pm

1 stop10h 09m

$291

JacksonBoston

JAC - BOS

JACBOS

Jackson Hole

Tue 2/3

2:40 pm-11:46 pm

1 stop7h 06m

Boston Logan Intl

Sat 2/7

1:30 pm-9:25 pm

1 stop9h 55m

$297

JacksonBoston

JAC - BOS

JACBOS

Jackson Hole

Thu 3/5

7:30 am-5:17 pm

1 stop7h 47m

Boston Logan Intl

Tue 3/10

6:00 am-1:21 pm

2 stops9h 21m

$302

BoiseBoston

BOI - BOS

BOIBOS

Boise Air Term. Gowen Fld

Tue 3/10

6:24 am-5:04 pm

1 stop8h 40m

Boston Logan Intl

Tue 3/17

6:00 am-1:32 pm

2 stops9h 32m

$312

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Mon 4/27

1:07 pm-11:59 pm

1 stop7h 52m

Boston Logan Intl

Tue 5/5

5:55 am-1:03 pm

1 stop10h 08m

$322

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 60 results
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Best time to book a flight from Idaho to Boston

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

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

Currently, April is the cheapest month in which you can book a flight from Idaho to Boston (average of $163). Flying from Idaho to Boston in June is currently the most expensive (average of $320). 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.

Related info for your journey

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

  • What airport do you fly into for flights to Boston from Idaho?

    For a flight from Idaho to Boston, you will be flying into Logan Intl. Boston Logan Intl (BOS) is just 2.6 mi from the center of the city.

  • How long is the flight from Idaho to Boston?

    Departing from Idaho to Boston will take you 8h 34m. The distance between Idaho and Boston is about 2257 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $132. However, be on the lookout for offers from Southwest and United Airlines, as they are both options that can get you from Idaho to Boston for a low price.

  • What are the most popular routes from Idaho to Boston?

    The most popular route from Idaho to Boston is Spokane - Boston Logan Intl. You may also consider Boise Air Term. Gowen Fld - Boston Logan Intl or Idaho Falls Fanning Field - Boston Logan Intl.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Idaho 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 to Boston?

    Currently, April is the cheapest month in which you can book a flight from Idaho to Boston (average of $163). Flying from Idaho to Boston in June is currently the most expensive (average of $320). 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
Seekonk
Brockton
Warwick
Seabrook
Cranston
Lincoln
Smithfield
Peabody
Quincy
York Beach
Londonderry
Swansea
Old Orchard Beach
Waltham
Lowell
Chelsea

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Top 5 airlines flying from Idaho to Boston

Discover the top 5 airlines that operate flights from Idaho 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 January 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$171Average$479FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$228Average$536FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$263Average$665FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$306Average$466FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$365Average$476FlexibilityNo cancel feeOn-time63%

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