BOS

$143 Find Cheap Flights from Idaho to Boston - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Boston departing on 8/15. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Cheap Flights from Idaho to Boston

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Idaho to Boston that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Idaho to Boston

Tue, Sep 1 - Wed, Sep 23
American Airlines Logo
12:12 pm - 11:37 pm
BOI
-
BOS
9h 25m
1 stop
American Airlines Logo
8:33 am - 2:31 pm
BOS
-
BOI
7h 58m
1 stop
$285American Airlines
Tue, Oct 13 - Tue, Oct 20
Southwest Logo
6:00 am - 7:00 pm
BOI
-
BOS
11h 00m
2 stops
Southwest Logo
5:15 am - 10:40 am
BOS
-
BOI
7h 25m
1 stop
$290Southwest
Tue, Sep 1 - Wed, Sep 23
Southwest Logo
2:25 pm - 12:05 am
BOI
-
BOS
7h 40m
1 stop
Southwest Logo
2:45 pm - 11:20 pm
BOS
-
BOI
10h 35m
2 stops
$298Southwest
Tue, Aug 18 - Tue, Aug 25
Delta Logo
6:45 pm - 6:30 am
BOI
-
BOS
9h 45m
1 stop
Delta Logo
7:10 am - 1:42 pm
BOS
-
BOI
8h 32m
1 stop
$299Delta
Wed, Sep 9 - Mon, Sep 14
Delta Logo
2:50 pm - 11:59 pm
BOI
-
BOS
7h 09m
1 stop
Delta Logo
4:00 pm - 11:58 pm
BOS
-
BOI
9h 58m
1 stop
$306Delta
Tue, Sep 1 - Wed, Sep 23
American Airlines Logo
12:12 pm - 11:37 pm
BOI
-
BOS
9h 25m
1 stop
American Airlines Logo
8:33 am - 2:31 pm
BOS
-
BOI
7h 58m
1 stop
$307American Airlines
Tue, Oct 20 - Wed, Oct 28
Alaska Airlines Logo
12:44 pm - 11:54 pm
GEG
-
BOS
8h 10m
1 stop
Alaska Airlines Logo
7:00 am - 2:40 pm
BOS
-
GEG
10h 40m
1 stop
$337Alaska Airlines
Wed, Oct 21 - Wed, Oct 28
United Airlines Logo
1:38 pm - 11:59 pm
GEG
-
BOS
7h 21m
1 stop
United Airlines Logo
6:00 am - 12:47 pm
BOS
-
GEG
9h 47m
2 stops
$342United Airlines
Sun, Oct 25 - Thu, Oct 29
Alaska Airlines Logo
7:43 pm - 7:29 am
GEG
-
BOS
8h 46m
1 stop
Alaska Airlines Logo
7:00 am - 2:40 pm
BOS
-
GEG
10h 40m
1 stop
$355Alaska Airlines
Wed, Sep 9 - Sun, Sep 13
United Airlines Logo
8:00 am - 7:10 pm
SUN
-
BOS
9h 10m
1 stop
United Airlines Logo
9:33 am - 7:27 pm
BOS
-
SUN
11h 54m
2 stops
$444United Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$143
Best time to beat the crowds with an average 18% drop in price.
Most popular time to fly and prices are also 7% lower on average.
Flight from Boise to Boston

FAQs for booking flights from Idaho to Boston

  • How does KAYAK find such low prices on flights from Idaho to Boston?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Idaho to Boston.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Idaho to Boston?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boston from Idaho is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Idaho to Boston?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Boston with an airline and back to Idaho with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Idaho to Boston?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Boston from Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
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Hampton
Warwick
Waltham
Wells
Everett
Middletown
Plymouth
Concord
Gloucester
Woburn
Brookline
Revere
York Beach
Burlington
South Portland
Braintree
West Yarmouth
Danvers
Somerville

Everything you need to know for your flight to Boston

Information on the airport you'll fly into in Boston

Boston (BOS)