$201 Cheap United flights Boston (BOS) to Idaho Falls (IDA)

View $201 flight on Wed, Oct 1, 2025Opens in a new window

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$201 Cheap United flights Boston (BOS) to Idaho Falls (IDA)

Prices were available within the past 7 days and start at $201 for one-way flights and $404 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Sep 3 - Wed, Sep 17
BOS
Boston
IDA
Idaho Falls
$404 Roundtrip, found 1 day ago
$404
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 3 from Boston to Idaho Falls, returning Wed, Sep 17, priced at $404 found 1 day ago
United
Wed, Sep 3 - Wed, Sep 17
BOS
Boston
IDA
Idaho Falls
$416 Roundtrip, found 1 day ago
$416
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 3 from Boston to Idaho Falls, returning Wed, Sep 17, priced at $416 found 1 day ago
United
Tue, Jul 15 - Wed, Jul 16
BOS
Boston
IDA
Idaho Falls
$461 Roundtrip, found 4 days ago
$461
Roundtrip
found 4 days ago
Select United flight, departing Tue, Jul 15 from Boston to Idaho Falls, returning Wed, Jul 16, priced at $461 found 4 days ago
Flights from Boston (BOS) to Idaho Falls (IDA)
Origin airport
Logan Intl.
Destination airport
Idaho Falls Regional
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Popular airline
Alaska Airlines
Distance
2056 mi

Frequently asked questions

How much is a United Airlines flight from Logan Intl. Airport (BOS) to Idaho Falls Regional Airport (IDA)?
Landing cheap one-way United Airlines flights from BOS to IDA from $201 on Expedia couldn't be easier --- just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly round-trip fares from $404 for your next break.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from BOS to IDA with United Airlines?
Search for round-trip or one-way flights to Idaho Falls in January or February. You could find lower fares with United Airlines during these quieter months.
What is the cheapest time to book flights from Logan Intl. Airport (BOS) to Idaho Falls Regional Airport (IDA) with United Airlines?
To find cheap United Airlines fares from Logan Intl. Airport (BOS) to Idaho Falls Regional Airport (IDA), start searching one to three months before your planned departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact the overall cost. Sunday tends to be the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your trip on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Logan Intl. Airport (BOS) to Idaho Falls Regional Airport (IDA)?
To find out if there's a direct journey from BOS to IDA with United Airlines or other carriers, use our "Nonstop" filter when browsing for tickets.
What is the earliest United Airlines flight from BOS to IDA?
Filter your results by "Morning" and "Early Morning" to find the earliest flights from BOS to IDA. Setting off early means flight cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Idaho Falls?
United Airlines flights from Logan Intl. Airport (BOS) to Idaho Falls come in to Idaho Falls Regional Airport (IDA). This is the main entry point here.
Why fly with United Airlines from BOS to IDA?
A rewarding loyalty program and the opportunity to collect points through United Mileage Plus are the start of the reasons to depart from BOS to IDA with United Airlines. Plus, by joining Expedia's free One Key™ program, you can receive OneKeyCash™* in addition to any airline loyalty program earnings. It's yours to spend on your next adventure.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my United Airlines flight from Logan Intl. Airport (BOS) to Idaho Falls Regional Airport (IDA)?
Depending on your ticket type, a fee generally applies if you cancel or reschedule your flight more than 24 hours after it's been confirmed. To secure flexible fares, select our "Changes included" and "No cancel fee" boxes when you search for flights. To learn more about canceling or changing your reservation, head to "Trips," select your flight and tick "Manage Booking."

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