BOS - IDA

$230 Find Cheap Flights from Boston to Idaho Falls - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$379
Typical prices: $479-$750
Delta
Sun 11/4Thu 11/8
BOS - IDA • 1 stop
Cheapest one-way
$210
Typical prices: $286-$420
American Airlines
Sat 12/29
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
October
Cheapest • 37% price drop
February
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Chicago O'Hare Intl (ORD)
Cheapest • Avg $524 (round-trip)
Denver Intl (DEN)
Shortest trip • 7h 46m (one-way)
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Idaho Falls!
Flight Deals
Booking Insights
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

Wed, Nov 4 - Sun, Nov 8
Delta Logo
4:15 pm - 10:10 pmBOS  Boston Logan Intl-IDA Idaho Falls Fanning Field
7h 55m1 stop Salt Lake City
Delta Logo
6:56 pm - 6:25 amIDA  Idaho Falls Fanning Field-BOS Boston Logan Intl
9h 29m1 stop Salt Lake City
$379Delta
Wed, Nov 4 - Sun, Nov 8
Delta Logo
4:15 pm - 10:10 pmBOS  Boston Logan Intl-IDA Idaho Falls Fanning Field
7h 55m1 stop Salt Lake City
Delta Logo
6:56 pm - 11:10 amIDA  Idaho Falls Fanning Field-BOS Boston Logan Intl
14h 14m2 stops Salt Lake City New York John F Kennedy Intl
$384Delta
Thu, Oct 1 - Fri, Oct 2
American Airlines Logo
6:02 am - 1:37 pmBOS  Boston Logan Intl-IDA Idaho Falls Fanning Field
9h 35m1 stop Dallas/Fort Worth
American Airlines Logo
1:58 pm - 11:45 pmIDA  Idaho Falls Fanning Field-BOS Boston Logan Intl
7h 47m1 stop Chicago O'Hare Intl
$399American Airlines
Wed, Nov 4 - Sun, Nov 8
Delta Logo
4:15 pm - 10:10 pmBOS  Boston Logan Intl-IDA Idaho Falls Fanning Field
7h 55m1 stop Salt Lake City
Delta Logo
6:56 pm - 6:25 amIDA  Idaho Falls Fanning Field-BOS Boston Logan Intl
9h 29m1 stop Salt Lake City
$399Delta
Wed, Feb 24 - Sun, Feb 28
Alaska Airlines Logo
5:06 pm - 2:27 pmBOS  Boston Logan Intl-IDA Idaho Falls Fanning Field
23h 21m1 stop Portland
Alaska Airlines Logo
4:00 pm - 3:27 pmIDA  Idaho Falls Fanning Field-BOS Boston Logan Intl
21h 27m1 stop Portland
$409Alaska Airlines
Mon, Nov 16 - Sat, Nov 21
Alaska Airlines Logo
6:20 pm - 3:18 pmBOS  Boston Logan Intl-IDA Idaho Falls Fanning Field
22h 58m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
3:46 pm - 6:20 amIDA  Idaho Falls Fanning Field-BOS Boston Logan Intl
12h 34m1 stop Portland
$419Alaska Airlines
Tue, Nov 24 - Sat, Dec 5
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
8:00 am - 7:33 pmIDA  Idaho Falls Fanning Field-BOS Boston Logan Intl
9h 33m1 stop Dallas/Fort Worth
$464American Airlines
Wed, Nov 25 - Sat, Dec 5
American Airlines Logo
11:28 am - 9:51 pmBOS  Boston Logan Intl-IDA Idaho Falls Fanning Field
12h 23m2 stops New York LaGuardia Dallas/Fort Worth
American Airlines Logo
6:36 am - 4:45 pmIDA  Idaho Falls Fanning Field-BOS Boston Logan Intl
8h 09m1 stop Phoenix Sky Harbor Intl
$470American Airlines
Fri, Jan 8 - Tue, Jan 12
United Airlines Logo
3:00 pm - 9:08 pmBOS  Boston Logan Intl-IDA Idaho Falls Fanning Field
8h 08m1 stop Denver Intl
United Airlines Logo
2:35 pm - 11:55 pmIDA  Idaho Falls Fanning Field-BOS Boston Logan Intl
7h 20m1 stop Denver Intl
$489United Airlines
Fri, Jan 8 - Tue, Jan 12
United Airlines Logo
9:30 am - 9:08 pmBOS  Boston Logan Intl-IDA Idaho Falls Fanning Field
13h 38m2 stops Washington, D.C. Dulles Intl Denver Intl
United Airlines Logo
2:35 pm - 11:55 pmIDA  Idaho Falls Fanning Field-BOS Boston Logan Intl
7h 20m1 stop Denver Intl
$494United 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 from Boston to Idaho Falls with more confidence.

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

Round-trip flights from Boston to Idaho Falls start at $379. Prices are below average for this route right now, with typical round-trip fares ranging from $479 to $750. The lowest price found in the past 5 days was $379 on Delta.

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

Wednesday is the cheapest day of the week to fly from Boston to Idaho Falls, it is 32% cheaper than the average day. Saturday is the most expensive day with flight prices 20% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Boston to Idaho Falls?

  • October is the cheapest month to fly from Boston to Idaho Falls at $400 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 215% 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

$210
Best time to beat the crowds with an average 34% drop in price.
Most popular time to fly with an average 18% increase in price.
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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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).

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

    Two cabin classes are available on flights from Boston to Idaho Falls:

    • Economy Class
    • First Class

  • 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) - 42% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 21% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 11% of one-stop connections
    • Dallas/Fort Worth (DFW) - 9% of one-stop connections

    Denver Intl (DEN) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 43% on the Boston to Idaho Falls route. Wednesday is the cheapest departure day at $435 round-trip on average, while Saturday is the most expensive at $763, a difference of $328. 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 long is a flight from Boston to Idaho Falls?

    A nonstop flight from Boston to Idaho Falls takes 0h 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.

  • 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 $379 to $1,387. That means the highest observed fare was about 4x 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 $277, which is 25% below the typical average for this route.

  • 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 46m, compared with 8h 14m via Chicago O'Hare Intl (ORD) and 8h 30m 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.

  • 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 starting from around $34 for economy cars. Top options include:
    • Alamo
    • Hertz
    • Enterprise Rent-A-Car
    • Budget
    • National

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

    Round-trip flights from Boston to Idaho Falls range from $479 to $750, with an average of $633 over the past 12 months. Anything below $479 counts as a good deal.

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 can be flexible, aim for a Wednesday departure instead of Saturday. On this route, Wednesday flights average $435 - about $328 less than Saturday (43% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Boston to Idaho Falls trip for October. Fares historically average $400 round-trip in that month - typically $863 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
    - Quality Inn Idaho Falls
    - Best Western Driftwood 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