BOS

$139 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 8/28. 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

Sat, Aug 22 - Sat, Aug 29
United Airlines Logo
6:15 am - 5:07 pm
BOI
-
BOS
8h 52m
1 stop
United Airlines Logo
6:01 am - 11:28 am
BOS
-
BOI
7h 27m
1 stop
$257United Airlines
Sat, Aug 22 - Sat, Aug 29
United Airlines Logo
6:15 am - 5:07 pm
BOI
-
BOS
8h 52m
1 stop
United Airlines Logo
10:38 am - 5:58 pm
BOS
-
BOI
9h 20m
2 stops
$262United Airlines
Wed, Aug 26 - Sat, Aug 29
Delta Logo
12:23 pm - 12:17 am
BOI
-
BOS
9h 54m
1 stop
Delta Logo
6:25 am - 2:49 pm
BOS
-
BOI
10h 24m
1 stop
$300Delta
Mon, Aug 17 - Tue, Aug 25
Delta Logo
5:15 am - 4:10 pm
GEG
-
BOS
7h 55m
1 stop
Delta Logo
7:45 am - 3:19 pm
BOS
-
GEG
10h 34m
1 stop
$307Delta
Fri, Aug 14 - Sun, Aug 23
American Airlines Logo
12:12 pm - 10:06 pm
BOI
-
BOS
7h 54m
1 stop
American Airlines Logo
7:10 am - 2:29 pm
BOS
-
BOI
9h 19m
1 stop
$307American Airlines
Fri, Aug 14 - Mon, Aug 24
American Airlines Logo
12:12 pm - 10:06 pm
BOI
-
BOS
7h 54m
1 stop
American Airlines Logo
6:14 am - 2:29 pm
BOS
-
BOI
10h 15m
1 stop
$307American Airlines
Fri, Aug 28 - Fri, Sep 4
Southwest Logo
12:20 pm - 12:25 am
GEG
-
BOS
9h 05m
1 stop
Southwest Logo
5:00 pm - 10:05 pm
BOS
-
GEG
8h 05m
1 stop
$312Southwest
Tue, Nov 10 - Tue, Nov 17
Southwest Logo
1:10 pm - 11:40 pm
BOI
-
BOS
8h 30m
1 stop
Southwest Logo
5:00 am - 11:00 am
BOS
-
BOI
8h 00m
1 stop
$323Southwest
Tue, Sep 22 - Mon, Sep 28
Alaska Airlines Logo
8:25 pm - 6:09 am
BOI
-
BOS
7h 44m
1 stop
Alaska Airlines Logo
7:59 pm - 9:56 am
BOS
-
BOI
15h 57m
1 stop
$323Alaska Airlines
Tue, Dec 8 - Wed, Dec 9
Alaska Airlines Logo
6:00 am - 4:46 pm
BOI
-
BOS
8h 46m
1 stop
Alaska Airlines Logo
7:08 am - 4:11 pm
BOS
-
BOI
11h 03m
1 stop
$323Alaska Airlines
Useful Info

Good to know

Low season

January

Cheapest flight

$139
Best time to beat the crowds with an average 19% drop in price.
Most popular time to fly and prices are also 7% lower on average.
Flight from Spokane 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
Hampton Beach
Everett
Warwick
Hampton
Wells
Waltham
Middletown
Plymouth
Concord
Revere
Brookline
South Portland
Gloucester
Woburn
York Beach
Burlington
West Yarmouth
Danvers
Braintree
Somerville

Everything you need to know for your flight to Boston

Information on the airport you'll fly into in Boston

Boston (BOS)