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$139+ 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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BOS
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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Cheap flight deals from Idaho to Boston

Keep the following information in mind while searching for Idaho to Boston flight deals. Data was last updated October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$299
(Delta)

One-way from

$139
(Alaska Airlines)

Popular in

January

Cheapest in

April

Average price

$457
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Boston Logan Intl flights.
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From Idaho to Boston Logan Intl
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One-way flight from Idaho to Boston Logan Intl
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Highest demand for flights based on searches. 2% potential increase in price ($9 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 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 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 October 16, 2025.

This Delta deal was found by Cheapflights users on 10/15. 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 10/3111:41 amBOI - BOS
1 stop10h 18mDelta
Wed 11/56:50 pmBOS - BOI
1 stop7h 09mDelta
Deal found 10/15$299
This Delta deal was found by Cheapflights users on 10/16. 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 11/147:38 pmGEG - BOS
1 stop7h 57mDelta
Sun 11/167:15 amBOS - GEG
1 stop10h 38mDelta
Deal found 10/16$305
This Delta deal was found by Cheapflights users on 10/15. 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 10/313:00 pmBOI - BOS
1 stop6h 59mDelta
Thu 11/61:45 pmBOS - BOI
1 stop10h 44mDelta
Deal found 10/15$308
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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.
Wed 11/1210:05 amBOI - BOS
1 stop12h 15mAlaska Airlines
Wed 11/197:00 amBOS - BOI
1 stop10h 12mAlaska Airlines
Deal found 10/15$317
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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.
Wed 11/510:05 amBOI - BOS
1 stop12h 15mAlaska Airlines
Wed 11/127:00 amBOS - BOI
1 stop11h 17mAlaska Airlines
Deal found 10/15$318
This Delta deal was found by Cheapflights users on 10/16. 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 11/85:25 amBOI - BOS
1 stop8h 57mDelta
Sat 11/157:15 amBOS - BOI
1 stop10h 50mDelta
Deal found 10/16$319
This Delta deal was found by Cheapflights users on 10/16. 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 11/85:42 amBOI - BOS
1 stop6h 37mDelta
Sun 11/97:15 amBOS - BOI
1 stop15h 09mDelta
Deal found 10/16$322
This American Airlines deal was found by Cheapflights users on 10/15. 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 11/121:14 pmGEG - BOS
1 stop7h 29mAmerican Airlines
Wed 11/198:00 amBOS - GEG
2 stops11h 42mAmerican Airlines
Deal found 10/15$322
This United Airlines deal was found by Cheapflights users on 10/15. 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 11/1212:45 pmBOI - BOS
2 stops8h 57mUnited Airlines
Wed 11/196:00 amBOS - BOI
1 stop7h 39mUnited Airlines
Deal found 10/15$323
This American Airlines deal was found by Cheapflights users on 10/15. 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 11/51:25 pmBOI - BOS
1 stop7h 37mAmerican Airlines
Wed 11/121:50 pmBOS - BOI
2 stops10h 42mAmerican Airlines
Deal found 10/15$324
This Alaska Airlines deal was found by Cheapflights users on 10/16. 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.
Wed 12/37:25 pmGEG - BOS
1 stop16h 59mAlaska Airlines
Mon 12/86:59 pmBOS - GEG
1 stop8h 25mAlaska Airlines
Deal found 10/16$326
This United Airlines deal was found by Cheapflights users on 10/15. 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 11/125:10 amGEG - BOS
2 stops10h 22mUnited Airlines
Wed 11/195:30 amBOS - GEG
2 stops10h 15mUnited Airlines
Deal found 10/15$327

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 October 16, 2025.
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

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Fri 11/14

7:38 pm-6:35 am

1 stop7h 57m

Boston Logan Intl

Sun 11/16

7:15 am-2:53 pm

1 stop10h 38m

$305

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Thu 1/15

6:45 am-8:32 pm

1 stop10h 47m

Boston Logan Intl

Tue 1/20

9:45 am-6:49 pm

1 stop12h 04m

$308

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Tue 3/3

5:45 pm-7:16 am

1 stop10h 31m

Boston Logan Intl

Wed 3/4

10:00 am-6:04 pm

1 stop11h 04m

$311

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Tue 3/3

8:40 pm-7:16 am

1 stop7h 36m

Boston Logan Intl

Wed 3/4

10:00 am-6:04 pm

1 stop11h 04m

$311

BoiseBoston

BOI - BOS

BOIBOS

Boise Air Term. Gowen Fld

Wed 11/12

10:05 am-12:20 am

1 stop12h 15m

Boston Logan Intl

Wed 11/19

7:00 am-3:12 pm

1 stop10h 12m

$317

BoiseBoston

BOI - BOS

BOIBOS

Boise Air Term. Gowen Fld

Tue 3/10

1:30 pm-11:59 pm

1 stop8h 29m

Boston Logan Intl

Wed 3/11

7:00 am-1:45 pm

1 stop8h 45m

$318

BoiseBoston

BOI - BOS

BOIBOS

Boise Air Term. Gowen Fld

Sat 11/8

5:42 am-2:19 pm

1 stop6h 37m

Boston Logan Intl

Tue 11/11

6:10 am-12:00 pm

1 stop7h 50m

$319

BoiseBoston

BOI - BOS

BOIBOS

Boise Air Term. Gowen Fld

Tue 3/10

11:30 pm-11:29 am

1 stop9h 59m

Boston Logan Intl

Wed 3/11

4:20 pm-10:50 pm

1 stop8h 30m

$319

BoiseBoston

BOI - BOS

BOIBOS

Boise Air Term. Gowen Fld

Sat 11/8

5:25 am-4:22 pm

1 stop8h 57m

Boston Logan Intl

Wed 11/12

6:15 pm-12:09 am

1 stop7h 54m

$319

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Wed 11/12

1:14 pm-11:43 pm

1 stop7h 29m

Boston Logan Intl

Wed 11/19

8:00 am-4:42 pm

2 stops11h 42m

$322

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/15

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 $335). 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 ID to BOS?

Find hourly flight availability from Idaho 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 16, 2025.

A simple way to save on the total cost of your ticket is to fly from Idaho to Boston in the evening. If you’re flexible enough to do this you can expect to save up to 37% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Idaho to Boston?

Use this chart to determine the cheapest time to fly round-trip from Idaho to Boston. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Idaho to Boston flight should consider departing on Tuesday at noon when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 7h 57m. The distance between Idaho and Boston is about 2266 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 Alaska Airlines, with whom users have recently found tickets for as low as $139. However, be on the lookout for offers from Delta 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 Jackson Hole - 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 $335). 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

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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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$206Average$493FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$228Average$471FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$286Average$666FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$306Average$469FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$365Average$478FlexibilityNo cancel feeOn-time63%

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