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$112+ 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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BOS
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
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 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$296
(KAYAK)

One-way from

$112
(Kiwi.com)

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. 1% potential increase in price ($7 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 30, 2025.

This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/45:51 amGEG - BOS
1 stop8h 29mAlaska Airlines
Mon 12/84:24 pmBOS - GEG
1 stop10h 35mAlaska Airlines
Deal found 10/29$296
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.
Thu 11/276:00 amBOI - BOS
1 stop8h 10mDelta
Wed 12/36:10 amBOS - BOI
1 stop7h 52mDelta
Deal found 10/29$314
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/88:55 amBOI - BOS
1 stop13h 04mAlaska Airlines
Thu 12/114:24 pmBOS - BOI
1 stop22h 18mAlaska Airlines
Deal found 10/29$318
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.
Thu 12/47:00 amGEG - BOS
2 stops13h 41mUnited Airlines
Mon 12/83:16 pmBOS - GEG
1 stop8h 43mUnited Airlines
Deal found 10/29$322
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/811:45 amBOI - BOS
1 stop9h 00mSouthwest
Tue 12/162:10 pmBOS - BOI
2 stops10h 15mSouthwest
Deal found 10/30$344
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/135:45 amBOI - BOS
1 stop7h 39mAlaska Airlines
Sun 1/114:20 pmBOS - BOI
1 stop23h 29mAlaska Airlines
Deal found 10/29$345
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.
Thu 12/251:15 pmGEG - BOS
1 stop8h 09mDelta
Fri 1/26:10 amBOS - GEG
1 stop8h 56mDelta
Deal found 10/29$348
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/122:49 pmJAC - BOS
1 stop6h 45mUnited Airlines
Tue 12/166:00 amBOS - JAC
1 stop7h 06mUnited Airlines
Deal found 10/30$349
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 12/227:00 pmGEG - BOS
1 stop8h 42mDelta
Wed 12/317:15 amBOS - GEG
1 stop8h 14mDelta
Deal found 10/29$352
This Delta deal was found by Cheapflights users on 10/28. 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.
Thu 11/277:00 amJAC - BOS
1 stop7h 10mDelta
Thu 12/410:15 amBOS - JAC
2 stops13h 14mDelta
Deal found 10/28$354
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.
Thu 11/207:15 pmGEG - BOS
1 stop8h 15mDelta
Mon 11/245:50 amBOS - GEG
1 stop10h 24mDelta
Deal found 10/29$362
This American Airlines deal was found by Cheapflights users on 10/28. 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 11/111:06 pmJAC - BOS
1 stop7h 56mAmerican Airlines
Tue 11/185:30 amBOS - JAC
1 stop8h 46mAmerican Airlines
Deal found 10/28$374

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 30, 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

Tue 3/3

8:40 pm-7:16 am

1 stop7h 36m

Boston Logan Intl

Wed 3/4

10:00 am-4:54 pm

1 stop9h 54m

$311

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Thu 1/15

6:30 am-7:10 pm

1 stop9h 40m

Boston Logan Intl

Tue 1/20

5:20 pm-11:59 pm

1 stop9h 39m

$313

BoiseBoston

BOI - BOS

BOIBOS

Boise Air Term. Gowen Fld

Thu 11/27

6:00 am-4:10 pm

1 stop8h 10m

Boston Logan Intl

Wed 12/3

6:10 am-12:02 pm

1 stop7h 52m

$314

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Sat 2/7

1:38 pm-11:59 pm

1 stop7h 21m

Boston Logan Intl

Mon 2/9

7:00 am-12:44 pm

1 stop8h 44m

$316

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Thu 1/15

3:02 pm-5:32 am

1 stop11h 30m

Boston Logan Intl

Tue 1/20

9:45 am-6:49 pm

2 stops12h 04m

$318

BoiseBoston

BOI - BOS

BOIBOS

Boise Air Term. Gowen Fld

Tue 3/10

7:00 am-6:09 pm

1 stop9h 09m

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

Mon 12/8

8:55 am-11:59 pm

1 stop13h 04m

Boston Logan Intl

Thu 12/11

4:24 pm-12:42 pm

1 stop22h 18m

$318

BoiseBoston

BOI - BOS

BOIBOS

Boise Air Term. Gowen Fld

Tue 3/10

5:00 am-1:49 pm

1 stop6h 49m

Boston Logan Intl

Wed 3/11

6:00 am-1:39 pm

2 stops9h 39m

$324

BoiseBoston

BOI - BOS

BOIBOS

Boise Air Term. Gowen Fld

Thu 1/8

11:20 am-10:30 pm

1 stop9h 10m

Boston Logan Intl

Mon 1/12

5:30 am-3:20 pm

2 stops11h 50m

$324

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Sat 2/7

6:30 am-8:53 pm

2 stops11h 23m

Boston Logan Intl

Mon 2/9

8:45 am-6:49 pm

2 stops13h 04m

$327

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

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 30, 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 21m. 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 $158. However, be on the lookout for offers from Delta and American 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$206Average$519FlexibilityNo 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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