$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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — BOS
Jul 24 — Jul 311
Round-trip
1 adult, Economy
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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 June 24, 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 June 24, 2026.
This Delta deal was found by Cheapflights users on 6/23. 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 6/23![Delta logo]()
$368
This Delta deal was found by Cheapflights users on 6/23. 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 9/266:21 pm
GTF
- BOS
1 stop10h 09m
Delta
Tue 10/139:15 am
BOS
- GTF
2 stops15h 38m
Delta
Deal found 6/23![Delta logo]()
$402
This Delta deal was found by Cheapflights users on 6/23. 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.
Mon 9/286:21 pm
GTF
- BOS
2 stops14h 54m
Delta
Tue 10/139:15 am
BOS
- GTF
2 stops15h 38m
Delta
Deal found 6/23![Delta logo]()
$407
This Delta deal was found by Cheapflights users on 6/23. 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 9/261:15 pm
GTF
- BOS
1 stop8h 38m
Delta
Wed 10/149:05 am
BOS
- GTF
2 stops15h 48m
Delta
Deal found 6/23![Delta logo]()
$424
This Delta deal was found by Cheapflights users on 6/23. 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.
Mon 9/286:21 pm
GTF
- BOS
2 stops13h 21m
Delta
Wed 10/149:05 am
BOS
- GTF
2 stops15h 48m
Delta
Deal found 6/23![Delta logo]()
$429
This Delta deal was found by Cheapflights users on 6/23. 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 9/266:21 pm
GTF
- BOS
1 stop10h 09m
Delta
Mon 10/126:00 am
BOS
- GTF
1 stop8h 27m
Delta
Deal found 6/23![Delta logo]()
$443
This Delta deal was found by Cheapflights users on 6/23. 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.
Mon 9/286:21 pm
GTF
- BOS
2 stops13h 21m
Delta
Sun 10/116:00 am
BOS
- GTF
1 stop8h 27m
Delta
Deal found 6/23![Delta logo]()
$449
This Delta deal was found by Cheapflights users on 6/23. 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 9/196:21 pm
GTF
- BOS
2 stops11h 19m
Delta
Wed 9/235:30 am
BOS
- GTF
2 stops14h 11m
Delta
Deal found 6/23![Delta logo]()
$461
This Delta deal was found by Cheapflights users on 6/23. 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.
Sun 9/276:21 pm
GTF
- BOS
1 stop10h 09m
Delta
Wed 10/145:45 am
BOS
- GTF
2 stops19h 08m
Delta
Deal found 6/23![Delta logo]()
$467
This Delta deal was found by Cheapflights users on 6/23. 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 9/261:15 pm
GTF
- BOS
1 stop8h 38m
Delta
Thu 10/155:30 am
BOS
- GTF
2 stops19h 23m
Delta
Deal found 6/23![Delta logo]()
$482
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 June 24, 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 June 24, 2026.
This Delta deal was found by Cheapflights users on 6/22. 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 6/22![Delta logo]()
$368
This United Airlines deal was found by Cheapflights users on 6/19. 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.
Tue 12/16:15 am
GTF
- BOS
2 stops16h 51m
United Airlines
Sat 12/56:00 am
BOS
- GTF
3 stops17h 20m
United Airlines
Deal found 6/19![United Airlines logo]()
$682
This Delta deal was found by Cheapflights users on 6/23. 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.
Mon 9/286:21 pm
GTF
- BOS
1 stop10h 09m
Delta
Thu 10/156:00 am
BOS
- GTF
1 stop8h 27m
Delta
Deal found 6/23![Delta logo]()
$368
This Delta deal was found by Cheapflights users on 6/23. 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.
Mon 9/286:21 pm
GTF
- BOS
2 stops13h 21m
Delta
Sun 10/116:00 am
BOS
- GTF
1 stop8h 27m
Delta
Deal found 6/23![Delta logo]()
$449
This Delta deal was found by Cheapflights users on 6/23. 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 9/196:21 pm
GTF
- BOS
2 stops11h 19m
Delta
Wed 9/235:30 am
BOS
- GTF
2 stops14h 11m
Delta
Deal found 6/23![Delta logo]()
$461
Last-minute flights from Great Falls to BostonDiscover last-minute flight deals from Great Falls to Boston. Data last updated June 24, 2026 and is based on user searches.
Discover last-minute flight deals from Great Falls to Boston. Data last updated June 24, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/22. 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.
Mon 6/296:25 pm
GTF
- BOS
1 stop9h 40m
Delta
Wed 7/86:05 am
BOS
- GTF
1 stop8h 32m
Delta
Deal found 6/22![Delta logo]()
$623
This Delta deal was found by Cheapflights users on 6/22. 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.
Mon 6/296:25 pm
GTF
- BOS
1 stop9h 40m
Delta
Sat 7/41:41 pm
BOS
- GTF
2 stops10h 59m
Delta
Deal found 6/22![Delta logo]()
$629
This Delta deal was found by Cheapflights users on 6/22. 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.
Mon 6/296:25 pm
GTF
- BOS
1 stop9h 40m
Delta
Fri 7/36:05 am
BOS
- GTF
1 stop8h 35m
Delta
Deal found 6/22![Delta logo]()
$633
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Mon 6/292:37 pm
GTF
- BOS
1 stop7h 07m
United Airlines
Thu 7/97:45 am
BOS
- GTF
1 stop7h 56m
United Airlines
Deal found 6/22![United Airlines logo]()
$638
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Mon 6/292:37 pm
GTF
- BOS
1 stop7h 07m
United Airlines
Wed 7/810:35 am
BOS
- GTF
2 stops12h 59m
United Airlines
Deal found 6/22![United Airlines logo]()
$644
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Fri 7/32:37 pm
GTF
- BOS
1 stop7h 07m
United Airlines
Thu 7/96:00 am
BOS
- GTF
1 stop7h 45m
United Airlines
Deal found 6/22![United Airlines logo]()
$563
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Fri 7/32:37 pm
GTF
- BOS
1 stop7h 07m
United Airlines
Wed 7/86:00 am
BOS
- GTF
1 stop7h 46m
United Airlines
Deal found 6/22![United Airlines logo]()
$618
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Fri 7/32:37 pm
GTF
- BOS
1 stop7h 07m
United Airlines
Sat 7/45:45 am
BOS
- GTF
2 stops9h 56m
United Airlines
Deal found 6/22![United Airlines logo]()
$624
This United Airlines deal was found by Cheapflights users on 6/22. 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 7/46:15 am
GTF
- BOS
2 stops9h 16m
United Airlines
Thu 7/97:45 am
BOS
- GTF
1 stop7h 56m
United Airlines
Deal found 6/22![United Airlines logo]()
$569
This United Airlines deal was found by Cheapflights users on 6/22. 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 7/46:15 am
GTF
- BOS
2 stops10h 59m
United Airlines
Wed 7/810:35 am
BOS
- GTF
2 stops12h 59m
United Airlines
Deal found 6/22![United Airlines logo]()
$574
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Tue 7/216:15 am
GTF
- BOS
2 stops16h 59m
United Airlines
Tue 7/286:00 am
BOS
- GTF
1 stop7h 45m
United Airlines
Deal found 6/22![United Airlines logo]()
$649
This Delta deal was found by Cheapflights users on 6/22. 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 7/226:25 pm
GTF
- BOS
1 stop9h 40m
Delta
Sun 7/267:15 am
BOS
- GTF
2 stops17h 22m
Delta
Deal found 6/22![Delta logo]()
$647
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 June 24, 2026.
Search for one-way flight options from Great Falls to Boston. Find affordable one-way fares based on user searches. Data last updated June 24, 2026.
This Delta deal was found by Cheapflights users on 6/20. 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 8/286:18 pm
GTF
- BOS
1 stop10h 12m
Delta
Deal found 6/20![Delta logo]()
$184
This Delta deal was found by Cheapflights users on 6/20. 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 10/166:20 pm
GTF
- BOS
2 stops14h 59m
Delta
Deal found 6/20![Delta logo]()
$190
This Delta deal was found by Cheapflights users on 6/22. 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.
Thu 7/91:17 pm
GTF
- BOS
1 stop8h 30m
Delta
Deal found 6/22![Delta logo]()
$204
This Delta deal was found by Cheapflights users on 6/20. 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 8/296:18 pm
GTF
- BOS
2 stops14h 23m
Delta
Deal found 6/20![Delta logo]()
$300
This Booking.com deal was found by Cheapflights users on 6/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/45:18 pm
GTF
- BOS
2 stops34h 51m
Alaska Airlines
Deal found 6/20![Alaska Airlines logo]()
$328
This Delta deal was found by Cheapflights users on 6/22. 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 7/81:17 pm
GTF
- BOS
1 stop8h 30m
Delta
Deal found 6/22![Delta logo]()
$364
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 7/99:10 pm
GTF
- BOS
3 stops32h 32m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$391
This Kiwi.com deal was found by Cheapflights users on 6/20. 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 9/45:18 pm
GTF
- BOS
3 stops46h 22m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$467
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 June 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $368 (Delta) |
One-way from | $184 (Delta) |
Popular in | July |
Cheapest in | October |
Average price | $879 |
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 June 24, 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
Tue 12/1
6:20 pm-6:11 am
1 stop9h 51m
Boston Logan Intl
Sat 12/5
6:00 am-12:27 pm
1 stop8h 27m
$368
Great FallsBoston
GTF - BOS
GTFBOS
Great Falls
Mon 9/28
6:21 pm-6:30 am
1 stop10h 09m
Boston Logan Intl
Thu 10/15
6:00 am-12:27 pm
1 stop8h 27m
$368
Great FallsBoston
GTF - BOS
GTFBOS
Great Falls
Mon 9/28
6:21 pm-9:42 am
2 stops13h 21m
Boston Logan Intl
Sun 10/11
6:00 am-12:27 pm
1 stop8h 27m
$449
Great FallsBoston
GTF - BOS
GTFBOS
Great Falls
Sat 9/19
6:21 pm-7:40 am
2 stops11h 19m
Boston Logan Intl
Wed 9/23
5:30 am-5:41 pm
2 stops14h 11m
$461
Great FallsBoston
GTF - BOS
GTFBOS
Great Falls
Tue 12/1
6:15 am-1:06 am
2 stops16h 51m
Boston Logan Intl
Sat 12/5
6:00 am-9:20 pm
3 stops17h 20m
$682
Cheapest one-way
Great FallsBoston
GTF - BOS
GTFBOS
Great Falls
Fri 9/4
6:18 pm-6:30 am
1 stop10h 12m
$184
Great FallsBoston
GTF - BOS
GTFBOS
Great Falls
Fri 8/28
6:18 pm-6:30 am
1 stop10h 12m
$184
Great FallsBoston
GTF - BOS
GTFBOS
Great Falls
Thu 7/9
1:17 pm-1:20 am
2 stops10h 03m
$210
Quickest one-way
Great FallsBoston
GTF - BOS
GTFBOS
Great Falls
Wed 7/8
1:17 pm-11:47 pm
1 stop8h 30m
$364
Great FallsBoston
GTF - BOS
GTFBOS
Great Falls
Fri 9/4
5:18 pm-11:54 pm
1 stop28h 36m
$397
Showing 1-10 of 14 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 June.
| 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 locationsWaltham
Cambridge
Concord
Brockton
Watertown
Hampton Beach
Seekonk
Cranston
Warwick
Peabody
Auburn
Fitchburg
York Beach
Chelsea
Londonderry
Dedham
Swansea
Lowell
Smithfield
Braintree
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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