BOS - IDA

$205 Find Cheap Flights from Boston to Idaho Falls - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$394
Typical prices: $499-$751
United Airlines
Mon 1/8Sat 1/13
BOS - IDA • 1 stop
Cheapest one-way
$205
Typical prices: $286-$420
Alaska Airlines
Mon 2/26
BOS - IDA • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Boston and Idaho Falls. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
January
Cheapest • 26% price drop
August
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Chicago O'Hare Intl (ORD)
Cheapest • Avg $554 (round-trip)
Denver Intl (DEN)
Shortest trip • 7h 47m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Boston to Idaho Falls (BOS-IDA)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boston to Idaho Falls

Fri, Jan 8 - Wed, Jan 13
United Airlines Logo
7:00 am - 1:28 pmBOS  Boston Logan Intl-IDA Idaho Falls Fanning Field
8h 28m1 stop Denver Intl
United Airlines Logo
2:30 pm - 11:44 pmIDA  Idaho Falls Fanning Field-BOS Boston Logan Intl
7h 14m1 stop Denver Intl
$394United Airlines
Sat, Jan 23 - Mon, Feb 1
American Airlines Logo
12:41 pm - 9:49 pmBOS  Boston Logan Intl-IDA Idaho Falls Fanning Field
11h 08m1 stop Dallas/Fort Worth
American Airlines Logo
1:42 pm - 11:56 pmIDA  Idaho Falls Fanning Field-BOS Boston Logan Intl
8h 14m1 stop Dallas/Fort Worth
$399American Airlines
Mon, Dec 21 - Fri, Jan 8
Delta Logo
6:05 am - 12:28 pmBOS  Boston Logan Intl-IDA Idaho Falls Fanning Field
8h 23m1 stop Salt Lake City
Delta Logo
6:59 pm - 6:09 amIDA  Idaho Falls Fanning Field-BOS Boston Logan Intl
9h 10m1 stop Salt Lake City
$399Delta
Sun, Jan 24 - Mon, Feb 1
Delta Logo
6:10 am - 12:24 pmBOS  Boston Logan Intl-IDA Idaho Falls Fanning Field
8h 14m1 stop Salt Lake City
Delta Logo
6:59 pm - 6:15 amIDA  Idaho Falls Fanning Field-BOS Boston Logan Intl
9h 16m1 stop Salt Lake City
$399Delta
Fri, Jan 8 - Wed, Jan 13
United Airlines Logo
7:15 am - 3:31 pmBOS  Boston Logan Intl-IDA Idaho Falls Fanning Field
10h 16m2 stops Newark Denver Intl
United Airlines Logo
2:30 pm - 11:44 pmIDA  Idaho Falls Fanning Field-BOS Boston Logan Intl
7h 14m1 stop Denver Intl
$404United Airlines
Sat, Jan 23 - Mon, Feb 1
United Airlines Logo
10:35 am - 9:10 pmBOS  Boston Logan Intl-IDA Idaho Falls Fanning Field
12h 35m2 stops Newark Denver Intl
United Airlines Logo
2:30 pm - 11:44 pmIDA  Idaho Falls Fanning Field-BOS Boston Logan Intl
7h 14m1 stop Denver Intl
$418United Airlines
Sat, Apr 10 - Sat, Apr 17
American Airlines Logo
6:00 am - 1:13 pmBOS  Boston Logan Intl-IDA Idaho Falls Fanning Field
9h 13m1 stop Dallas/Fort Worth
American Airlines Logo
1:43 pm - 11:59 pmIDA  Idaho Falls Fanning Field-BOS Boston Logan Intl
8h 16m1 stop Dallas/Fort Worth
$436American Airlines
Sat, Apr 10 - Sat, Apr 17
American Airlines Logo
6:00 am - 1:13 pmBOS  Boston Logan Intl-IDA Idaho Falls Fanning Field
9h 13m1 stop Dallas/Fort Worth
American Airlines Logo
1:43 pm - 11:59 pmIDA  Idaho Falls Fanning Field-BOS Boston Logan Intl
8h 16m1 stop Dallas/Fort Worth
$436American Airlines
Thu, Dec 31 - Sun, Jan 10
Alaska Airlines Logo
6:00 am - 1:15 pmBOS  Boston Logan Intl-IDA Idaho Falls Fanning Field
9h 15m1 stop Portland
Alaska Airlines Logo
3:58 pm - 3:53 pmIDA  Idaho Falls Fanning Field-BOS Boston Logan Intl
21h 55m1 stop Portland
$479Alaska Airlines
Fri, Nov 13 - Tue, Nov 17
Alaska Airlines Logo
9:03 am - 10:54 pmBOS  Boston Logan Intl-IDA Idaho Falls Fanning Field
15h 51m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
3:55 pm - 3:30 pmIDA  Idaho Falls Fanning Field-BOS Boston Logan Intl
21h 35m1 stop Portland
$479Alaska Airlines
Booking Insights

Price, demand and travel trends for Boston to Idaho Falls flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Boston to Idaho Falls?

Round-trip flights from Boston to Idaho Falls typically range from $499 to $751. The lowest price found in the past 5 days was $394, on United Airlines.

What's the cheapest day of the week to fly from Boston to Idaho Falls?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Boston to Idaho Falls. It’s 29% cheaper than the average day, while Friday is the most expensive, with prices 22% higher.

What’s the cheapest month to fly from Boston to Idaho Falls?

•January is the cheapest month to fly from Boston to Idaho Falls at $450 round-trip.
•December ($1,263) and June ($779) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 180% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Boston to Idaho Falls flights

Low season

November

Cheapest flight

$205
Beat the crowds with an average 62% drop in travelers.
The most popular month to fly with an average 50% increase in travelers.
One-way flight from Boston to Idaho Falls

When to book flights from Boston to Idaho Falls

Are your dates flexible? Find out the best times to travel from Boston to Idaho Falls based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Boston to Idaho Falls flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Boston to Idaho Falls?

    Only Economy Class is available on flights from Boston to Idaho Falls.

  • How long is a flight from Boston to Idaho Falls?

    A nonstop flight from Boston to Idaho Falls takes 00m, covering 2,056 miles.

  • Do I need a passport to fly from Boston to Idaho Falls?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Boston to Idaho Falls flight?

    Round-trip flights from Boston to Idaho Falls range from $499 to $751, with an average of $612 over the past 12 months. Anything below $499 counts as a good deal.

  • Have flight prices from Boston to Idaho Falls changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $394 to $995. That means the highest observed fare was about 3x higher than the lowest one.

  • How are flight prices from Boston to Idaho Falls looking right now?

    One-way fares from Boston to Idaho Falls are currently lower than usual. Average one-way flight prices are about $230, which is 37% below the typical average for this route.

  • What car rental options are available at Idaho Falls Fanning Field Airport (IDA)?

    Idaho Falls Fanning Field Airport (IDA) hosts 5 major car rental companies, with daily rates averaging $96 for economy cars. Top options include:

    • Alamo
    • Hertz
    • Enterprise Rent-A-Car
    • Budget
    • National

  • Which airports can I use when flying from Boston to Idaho Falls?

    Flights from Boston to Idaho Falls usually depart from Boston Logan Intl (BOS) and arrive at Idaho Falls Fanning Field (IDA).

  • Which airports do connecting flights from Boston to Idaho Falls pass through?

    One-stop flights from Boston to Idaho Falls most commonly connect through:

    • Denver Intl (DEN) - 39% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 19% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 16% of one-stop connections
    • Dallas/Fort Worth (DFW) - 9% of one-stop connections

  • Can I save money by using flexible dates for flights from Boston to Idaho Falls?

    Yes. Flexible dates can save you up to 42% on flights from Boston to Idaho Falls. Wednesday is the cheapest departure day at $435 round-trip on average, while Friday is the most expensive at $748, a difference of $313.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Boston to Idaho Falls?

    Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 7h 47m, compared with 7h 56m via Chicago O'Hare Intl (ORD) and 8h 35m via Dallas/Fort Worth (DFW).

  • What is the time difference between Boston and Idaho Falls?

    Idaho Falls is 2 hours behind Boston (Mountain Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Boston to Idaho Falls flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Friday. On this route, Wednesday flights average $435, about $313 less than Friday fares (42% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Boston to Idaho Falls trip for January. Fares historically average $450 round-trip in that month - typically $813 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Idaho Falls Fanning Field Airport.

    • Tru by Hilton Idaho Falls
    • Comfort Suites Idaho Falls
    • Best Western Plus CottonTree Inn

More options for your flight from Boston to Idaho Falls

Complete your trip to Idaho Falls with a hotel stay or car rental

Car rentals in Idaho Falls
Hotels in Idaho Falls
Vacations in Idaho Falls