BOS - GTF

$229 Find Cheap Flights from Boston to Great Falls - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$418
Typical prices: $508-$876
Alaska Airlines
Wed 11/14Sat 11/17
BOS - GTF • 1 stop
Cheapest one-way
$229
Typical prices: $294-$473
Delta
Wed 9/26
BOS - GTF • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Boston and Great Falls. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
March
Cheapest • 40% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Salt Lake City (SLC)
Cheapest • Avg $552 (round-trip)
Chicago O'Hare Intl (ORD)
Shortest trip • 7h 36m (one-way)
Insights
Insights
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Booking Insights
Flight Deals

Cheap Flights from Boston to Great Falls (BOS-GTF)

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

Recent round-trip flight deals from Boston to Great Falls

Sat, Nov 14 - Tue, Nov 17
Alaska Airlines Logo
9:03 am - 4:19 pmBOS  Boston Logan Intl-GTF Great Falls
9h 16m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
4:59 pm - 5:40 amGTF  Great Falls-BOS Boston Logan Intl
10h 41m1 stop Seattle/Tacoma Intl
$418Alaska Airlines
Fri, Nov 13 - Mon, Nov 16
Alaska Airlines Logo
7:13 am - 4:19 pmBOS  Boston Logan Intl-GTF Great Falls
11h 06m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
5:10 pm - 5:40 amGTF  Great Falls-BOS Boston Logan Intl
10h 30m1 stop Seattle/Tacoma Intl
$425Alaska Airlines
Fri, Oct 30 - Fri, Nov 6
United Airlines Logo
3:05 pm - 9:38 pmBOS  Boston Logan Intl-GTF Great Falls
8h 33m1 stop Denver Intl
United Airlines Logo
2:45 pm - 11:50 pmGTF  Great Falls-BOS Boston Logan Intl
7h 05m1 stop Denver Intl
$438United Airlines
Wed, Dec 30 - Thu, Jan 7
Delta Logo
6:05 am - 12:36 pmBOS  Boston Logan Intl-GTF Great Falls
8h 31m1 stop Salt Lake City
Delta Logo
6:20 pm - 6:11 amGTF  Great Falls-BOS Boston Logan Intl
9h 51m1 stop Salt Lake City
$438Delta
Wed, Dec 30 - Tue, Jan 5
Delta Logo
6:05 am - 12:36 pmBOS  Boston Logan Intl-GTF Great Falls
8h 31m1 stop Salt Lake City
Delta Logo
1:10 pm - 11:49 pmGTF  Great Falls-BOS Boston Logan Intl
8h 39m1 stop Salt Lake City
$438Delta
Wed, Dec 30 - Wed, Jan 6
Delta Logo
6:05 am - 12:36 pmBOS  Boston Logan Intl-GTF Great Falls
8h 31m1 stop Salt Lake City
Delta Logo
1:10 pm - 11:49 pmGTF  Great Falls-BOS Boston Logan Intl
8h 39m1 stop Salt Lake City
$438Delta
Sat, Nov 14 - Tue, Nov 17
Alaska Airlines Logo
9:03 am - 4:19 pmBOS  Boston Logan Intl-GTF Great Falls
9h 16m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
4:59 pm - 5:40 amGTF  Great Falls-BOS Boston Logan Intl
10h 41m1 stop Seattle/Tacoma Intl
$438Alaska Airlines
Sat, Nov 14 - Tue, Nov 17
Alaska Airlines Logo
9:03 am - 4:30 pmBOS  Boston Logan Intl-GTF Great Falls
9h 27m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
5:10 pm - 5:40 amGTF  Great Falls-BOS Boston Logan Intl
10h 30m1 stop Seattle/Tacoma Intl
$438Alaska Airlines
Sat, Nov 14 - Tue, Nov 17
United Airlines Logo
1:29 pm - 9:38 pmBOS  Boston Logan Intl-GTF Great Falls
10h 09m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
6:30 am - 9:30 pmGTF  Great Falls-BOS Boston Logan Intl
13h 00m2 stops Denver Intl Chicago O'Hare Intl
$529United Airlines
Fri, Nov 13 - Mon, Nov 16
United Airlines Logo
3:05 pm - 9:38 pmBOS  Boston Logan Intl-GTF Great Falls
8h 33m1 stop Denver Intl
United Airlines Logo
2:45 pm - 11:50 pmGTF  Great Falls-BOS Boston Logan Intl
7h 05m1 stop Denver Intl
$538United Airlines
Booking Insights

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

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

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

Round-trip flights from Boston to Great Falls start at $418. Prices are below average for this route right now, with typical round-trip fares ranging from $508 to $876. The lowest price found in the past 5 days was $418 on Alaska Airlines.

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

Monday is the cheapest day of the week to fly from Boston to Great Falls, it is 20% cheaper than the average day. Sunday is the most expensive day with flight prices 52% higher than average. Based on deals found by KAYAK users in the last 12 months.

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Key details for Boston to Great Falls flights

Low season

January

Cheapest flight

$229
Most popular time to fly and prices are also 10% lower on average.
Flight from Boston to Great Falls

When to book flights from Boston to Great Falls

Are your dates flexible? Find out the best times to travel from Boston to Great 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 Great 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 Great Falls?

    Flights from Boston to Great Falls usually depart from Boston Logan Intl (BOS) and arrive at Great Falls (GTF).

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

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

    • Economy Class
    • First Class

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

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

    • Salt Lake City (SLC) - 31% of one-stop connections
    • Denver Intl (DEN) - 29% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 27% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 12% of one-stop connections

    Salt Lake City (SLC) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 48% on the Boston to Great Falls route. Monday is the cheapest departure day at $518 round-trip on average, while Sunday is the most expensive at $988, a difference of $470. 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 Great Falls?

    A nonstop flight from Boston to Great Falls takes 0h 00m, covering 1,982 miles.

  • Do I need a passport to fly from Boston to Great 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 Great 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 $418 to $2,064. That means the highest observed fare was about 5x higher than the lowest one.

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

    One-way fares from Boston to Great Falls are currently higher than usual. Average one-way flight prices are about $390, which is 15% above the typical average for this route.

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

    Flying via Chicago O'Hare Intl (ORD) gives the shortest average 1-stop total travel time at 7h 36m, compared with 8h 32m via Denver Intl (DEN) and 8h 48m via Salt Lake City (SLC).

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

    Great 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 Great Falls Airport (GTF)?

    Great Falls Airport (GTF) hosts 5 major car rental companies, with daily rates starting from around $23 for economy cars. Top options include:
    • Avis
    • Budget
    • Alamo
    • Hertz
    • Enterprise Rent-A-Car

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

    Round-trip flights from Boston to Great Falls range from $508 to $876, with an average of $647 over the past 12 months. Anything below $508 counts as a good deal.

Your guide to booking Boston to Great 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 Monday departure instead of Sunday. On this route, Monday flights average $518 - about $470 less than Sunday (48% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Boston to Great Falls trip for March. Fares historically average $388 round-trip in that month - typically $551 less than the most expensive month, which is October (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Great Falls Airport.
    - Crystal Inn Hotel & Suites - Great Falls
    - Hilton Garden Inn Great Falls
    - Hampton Inn Great Falls

More options for your flight from Boston to Great Falls

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

Car rentals in Great Falls
Hotels in Great Falls
Vacations in Great Falls