$184+ Cheap flights from Great Falls to Boston (GTF - BOS)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — BOS
Jun 8 — Jun 151
Round-trip
1 adult, Economy
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Find cheap flights from Great Falls to Boston with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Great Falls to Boston
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Best
Last-minute
One-way
Cheapest flights from Great Falls to BostonExplore the most affordable flight options available from Great Falls to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 9, 2026.
Explore the most affordable flight options available from Great Falls to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 9, 2026.
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:20 pm
GTF
- BOS
1 stop9h 51m
Delta
Sat 12/56:00 am
BOS
- GTF
1 stop8h 27m
Delta
Deal found 5/6![Delta logo]()
$358
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:19 pm
GTF
- BOS
1 stop10h 01m
Delta
Mon 6/86:05 am
BOS
- GTF
1 stop8h 35m
Delta
Deal found 5/5![Delta logo]()
$383
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:28 pm
GTF
- BOS
2 stops14h 47m
Delta
Wed 8/198:15 am
BOS
- GTF
2 stops11h 27m
Delta
Deal found 5/6![Delta logo]()
$394
This Alaska Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:52 pm
GTF
- BOS
1 stop10h 49m
Alaska Airlines
Wed 5/279:01 am
BOS
- GTF
1 stop11h 11m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$433
This Delta deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:20 pm
GTF
- BOS
1 stop9h 51m
Delta
Mon 10/196:00 am
BOS
- GTF
1 stop8h 27m
Delta
Deal found 5/8![Delta logo]()
$483
Best flights from Great Falls to BostonDiscover carefully curated flight deals from Great Falls to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 9, 2026.
Discover carefully curated flight deals from Great Falls to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 9, 2026.
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:20 pm
GTF
- BOS
1 stop9h 49m
Delta
Sat 10/106:00 am
BOS
- GTF
1 stop8h 27m
Delta
Deal found 5/5![Delta logo]()
$358
This Alaska Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:52 pm
GTF
- BOS
1 stop10h 49m
Alaska Airlines
Wed 5/279:01 am
BOS
- GTF
1 stop11h 11m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$433
This United Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/232:37 pm
GTF
- BOS
1 stop7h 07m
United Airlines
Wed 5/2710:55 am
BOS
- GTF
2 stops12h 39m
United Airlines
Deal found 5/5![United Airlines logo]()
$489
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:20 pm
GTF
- BOS
1 stop9h 49m
Delta
Sat 10/106:00 am
BOS
- GTF
1 stop8h 27m
Delta
Deal found 5/5![Delta logo]()
$358
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:40 am
GTF
- BOS
2 stops11h 35m
Delta
Mon 6/86:05 am
BOS
- GTF
1 stop8h 35m
Delta
Deal found 5/5![Delta logo]()
$444
This Alaska Airlines deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:52 pm
GTF
- BOS
2 stops33h 28m
Alaska Airlines
Mon 6/87:11 pm
BOS
- GTF
1 stop25h 01m
Alaska Airlines
Deal found 5/8![Alaska Airlines logo]()
$546
Last-minute flights from Great Falls to BostonDiscover last-minute flight deals from Great Falls to Boston. Data last updated May 9, 2026 and is based on user searches.
Discover last-minute flight deals from Great Falls to Boston. Data last updated May 9, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:52 pm
GTF
- BOS
1 stop10h 49m
Alaska Airlines
Wed 5/279:01 am
BOS
- GTF
1 stop11h 11m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$433
This United Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/232:37 pm
GTF
- BOS
1 stop7h 07m
United Airlines
Wed 5/2710:55 am
BOS
- GTF
2 stops12h 39m
United Airlines
Deal found 5/5![United Airlines logo]()
$489
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:19 pm
GTF
- BOS
1 stop10h 01m
Delta
Mon 6/86:05 am
BOS
- GTF
1 stop8h 35m
Delta
Deal found 5/5![Delta logo]()
$383
This Alaska Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:52 pm
GTF
- BOS
2 stops33h 28m
Alaska Airlines
Mon 6/87:11 pm
BOS
- GTF
1 stop25h 01m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$546
One-way flights from Great Falls to BostonSearch for one-way flight options from Great Falls to Boston. Find affordable one-way fares based on user searches. Data last updated May 9, 2026.
Search for one-way flight options from Great Falls to Boston. Find affordable one-way fares based on user searches. Data last updated May 9, 2026.
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:28 pm
GTF
- BOS
1 stop10h 02m
Delta
Deal found 5/6![Delta logo]()
$184
This Delta deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:19 pm
GTF
- BOS
1 stop10h 01m
Delta
Deal found 5/7![Delta logo]()
$204
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/181:08 pm
GTF
- BOS
1 stop8h 49m
Delta
Deal found 5/6![Delta logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/3110:24 am
GTF
- BOS
3 stops36h 59m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$298
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/246:25 pm
GTF
- BOS
1 stop9h 40m
Delta
Deal found 5/4![Delta logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/2610:18 am
GTF
- BOS
2 stops21h 46m
Allegiant Air
Deal found 5/6![Allegiant Air logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/259:05 pm
GTF
- BOS
3 stops50h 22m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$333
This United Airlines deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:15 am
GTF
- BOS
2 stops11h 15m
United Airlines
Deal found 5/7![United Airlines logo]()
$352
This Alaska Airlines deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/315:09 pm
GTF
- BOS
1 stop12h 31m
Alaska Airlines
Deal found 5/7![Alaska Airlines logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/2610:18 am
GTF
- BOS
3 stops37h 09m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$365
Find flight deals from Great Falls to Boston
Discover tips and strategies to find the most affordable flight options for your journey from Great Falls (GTF) to Boston (BOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $358 (Delta) |
One-way from | $184 (Delta) |
Cheapflights Fare Finder
Customize your flight search to find flights from Great Falls to Boston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 9, 2026.
Use the filters below to find and compare flights from Great Falls to Boston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
Great FallsBoston
GTF - BOS
GTFBOS
Great Falls
Sat 10/3
6:20 pm-6:09 am
1 stop9h 49m
Boston Logan Intl
Sat 10/10
6:00 am-12:27 pm
1 stop8h 27m
$358
Great FallsBoston
GTF - BOS
GTFBOS
Great Falls
Fri 10/2
6:20 pm-6:09 am
1 stop9h 49m
Boston Logan Intl
Sat 10/10
6:00 am-12:27 pm
1 stop8h 27m
$358
Great FallsBoston
GTF - BOS
GTFBOS
Great Falls
Sat 5/23
6:52 pm-7:41 am
1 stop10h 49m
Boston Logan Intl
Wed 5/27
9:01 am-6:12 pm
1 stop11h 11m
$433
Great FallsBoston
GTF - BOS
GTFBOS
Great Falls
Sat 5/30
5:40 am-7:15 pm
2 stops11h 35m
Boston Logan Intl
Mon 6/8
6:05 am-12:40 pm
1 stop8h 35m
$444
Great FallsBoston
GTF - BOS
GTFBOS
Great Falls
Sat 5/23
2:37 pm-11:44 pm
1 stop7h 07m
Boston Logan Intl
Wed 5/27
10:55 am-9:34 pm
2 stops12h 39m
$489
Great FallsBoston
GTF - BOS
GTFBOS
Great Falls
Sat 5/30
6:52 pm-6:20 am
2 stops33h 28m
Boston Logan Intl
Mon 6/8
7:11 pm-6:12 pm
1 stop25h 01m
$546
Cheapest one-way
Great FallsBoston
GTF - BOS
GTFBOS
Great Falls
Wed 8/12
6:28 pm-6:30 am
1 stop10h 02m
$184
Great FallsBoston
GTF - BOS
GTFBOS
Great Falls
Wed 5/27
6:19 pm-6:20 am
1 stop10h 01m
$204
Quickest one-way
Great FallsBoston
GTF - BOS
GTFBOS
Great Falls
Tue 8/18
1:08 pm-11:57 pm
1 stop8h 49m
$259
Great FallsBoston
GTF - BOS
GTFBOS
Great Falls
Fri 7/31
10:24 am-1:23 am
3 stops36h 59m
$298
Showing 1-10 of 16 resultsSorted by cheapest first
Compare providers for flights from Great Falls to Boston
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Great Falls to Boston in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Great Falls-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Great Falls-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Great Falls-Boston flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Great Falls-Boston flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Great Falls-Boston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Great Falls to Boston
Have a flexible travel schedule? Discover the best time to fly to Boston from Great Falls with our price prediction graph.
GTF-BOS
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Related info for your journey
Find useful and relevant information for your journey from Great Falls to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Boston?
Book flights to Boston if you plan to visit one of these locationsMedford
Cambridge
Concord
Hampton Beach
Watertown
Brockton
Seekonk
Cranston
Chelsea
Warwick
Peabody
Seabrook
York Beach
Londonderry
Swansea
Old Orchard Beach
Quincy
Waltham
Lowell
Braintree
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