$219+ Cheap flights from Great Falls to Boston (GTF - BOS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — BOS
Oct 23 — Oct 301
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
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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 September 23, 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 September 23, 2026.
This Delta deal was found by Cheapflights users on 9/22. 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 12/16:19 pm -
1 stop10h 00m
Sat 12/54:35 pm -
1 stop8h 00m
Deal found 9/22![Delta logo]()
$438
This United Airlines deal was found by Cheapflights users on 9/18. 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 10/176:15 am -
2 stops13h 44m
Sat 10/246:00 am -
2 stops9h 41m
Deal found 9/18![United Airlines logo]()
$535
This Delta deal was found by Cheapflights users on 9/18. 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 9/216:21 pm -
1 stop10h 09m
Sun 10/46:05 am -
2 stops13h 36m
Deal found 9/18![Delta logo]()
$584
This United Airlines deal was found by Cheapflights users on 9/21. 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 10/162:37 pm -
1 stop7h 22m
Tue 10/209:51 am -
2 stops13h 31m
Deal found 9/21![United Airlines logo]()
$586
This Delta deal was found by Cheapflights users on 9/22. 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.
Fri 10/166:27 pm -
2 stops14h 33m
Tue 10/206:05 am -
1 stop8h 33m
Deal found 9/22![Delta logo]()
$619
This Delta deal was found by Cheapflights users on 9/22. 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.
Sat 9/261:15 pm -
1 stop8h 38m
Wed 9/306:05 am -
1 stop8h 30m
Deal found 9/22![Delta logo]()
$633
This Delta deal was found by Cheapflights users on 9/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:27 pm -
2 stops14h 48m
Fri 10/166:05 am -
1 stop8h 33m
Deal found 9/19![Delta logo]()
$634
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 September 23, 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 September 23, 2026.
This United Airlines deal was found by Cheapflights users on 9/18. 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 10/172:37 pm -
1 stop7h 22m
Sat 10/243:15 pm -
1 stop8h 07m
Deal found 9/18![United Airlines logo]()
$438
This Delta deal was found by Cheapflights users on 9/18. 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 12/16:19 pm -
1 stop10h 01m
Sat 12/56:00 am -
1 stop8h 35m
Deal found 9/18![Delta logo]()
$438
This Alaska Airlines deal was found by Cheapflights users on 9/21. 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.
Tue 1/264:08 pm -
1 stop11h 32m
Sat 1/307:00 am -
1 stop10h 28m
Deal found 9/21![Alaska Airlines logo]()
$540
This Delta deal was found by Cheapflights users on 9/20. 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.
Mon 11/236:19 pm -
1 stop10h 01m
Wed 12/26:05 am -
1 stop8h 34m
Deal found 9/20![Delta logo]()
$438
This Alaska Airlines deal was found by Cheapflights users on 9/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/304:08 pm -
1 stop11h 32m
Wed 2/37:00 am -
1 stop10h 28m
Deal found 9/22![Alaska Airlines logo]()
$540
This United Airlines deal was found by Cheapflights users on 9/21. 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 1/262:25 pm -
1 stop7h 30m
Sat 1/309:00 am -
2 stops14h 20m
Deal found 9/21![United Airlines logo]()
$564
This Delta deal was found by Cheapflights users on 9/20. 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.
Wed 3/101:10 pm -
2 stops9h 48m
Wed 3/176:00 am -
2 stops13h 43m
Deal found 9/20![Delta logo]()
$524
Last-minute flights from Great Falls to BostonDiscover last-minute flight deals from Great Falls to Boston. Data last updated September 23, 2026 and is based on user searches.
Discover last-minute flight deals from Great Falls to Boston. Data last updated September 23, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/22. 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.
Sat 9/261:15 pm -
1 stop8h 38m
Wed 9/306:05 am -
1 stop8h 30m
Deal found 9/22![Delta logo]()
$633
This United Airlines deal was found by Cheapflights users on 9/22. 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 9/266:15 am -
2 stops9h 22m
Wed 9/3010:51 am -
2 stops12h 31m
Deal found 9/22![United Airlines logo]()
$644
This Delta deal was found by Cheapflights users on 9/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:27 pm -
2 stops14h 48m
Fri 10/166:05 am -
1 stop8h 33m
Deal found 9/19![Delta logo]()
$634
This United Airlines deal was found by Cheapflights users on 9/21. 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 10/162:37 pm -
1 stop7h 22m
Tue 10/209:51 am -
2 stops13h 31m
Deal found 9/21![United Airlines logo]()
$586
This Delta deal was found by Cheapflights users on 9/22. 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.
Fri 10/166:27 pm -
2 stops14h 33m
Tue 10/206:05 am -
1 stop8h 33m
Deal found 9/22![Delta logo]()
$619
This United Airlines deal was found by Cheapflights users on 9/18. 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 10/172:37 pm -
1 stop7h 22m
Sat 10/243:15 pm -
1 stop8h 07m
Deal found 9/18![United Airlines logo]()
$438
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 September 23, 2026.
Search for one-way flight options from Great Falls to Boston. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
This Delta deal was found by Cheapflights users on 9/21. 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 10/176:27 pm -
1 stop10h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Delta logo]()
$219
This Delta deal was found by Cheapflights users on 9/21. 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 10/196:27 pm -
2 stops13h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Delta logo]()
$225
This Delta deal was found by Cheapflights users on 9/22. 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 10/221:18 pm -
1 stop8h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Delta logo]()
$239
This United Airlines deal was found by Cheapflights users on 9/21. 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 10/162:37 pm -
1 stop7h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![United Airlines logo]()
$256
This Delta deal was found by Cheapflights users on 9/22. 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 10/216:27 pm -
2 stops14h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Delta logo]()
$280
This United Airlines deal was found by Cheapflights users on 9/18. 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 9/282:37 pm -
1 stop7h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![United Airlines logo]()
$294
This Delta deal was found by Cheapflights users on 9/18. 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 -
2 stops14h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Delta logo]()
$300
This Delta deal was found by Cheapflights users on 9/22. 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.
Sun 10/256:27 pm -
2 stops26h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Delta logo]()
$328
This Delta deal was found by Cheapflights users on 9/21. 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 10/166:27 pm -
2 stops14h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Delta logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 10/229:51 am -
3 stops23h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$370
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 September 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $438 (Delta) |
One-way from | $219 (Delta) |
Popular in | July |
Cheapest in | October |
Average price | $917 |
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 7,457,451 searches. Data last updated September 23, 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
Great FallsBoston
GTF Great Falls - BOS Boston Logan Intl
GTFBOS
Great Falls
Sat 10/17
6:27 pm-6:30 am
1 stop10h 03m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$219
Great FallsBoston
GTF Great Falls - BOS Boston Logan Intl
GTFBOS
Great Falls
Tue 10/27
6:27 pm-6:25 am
1 stop9h 58m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$219
Great FallsBoston
GTF Great Falls - BOS Boston Logan Intl
GTFBOS
Great Falls
Mon 10/19
6:27 pm-6:25 am
1 stop9h 58m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$219
Great FallsBoston
GTF Great Falls - BOS Boston Logan Intl
GTFBOS
Great Falls
Mon 10/26
6:27 pm-11:15 am
2 stops14h 48m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$225
Great FallsBoston
GTF Great Falls - BOS Boston Logan Intl
GTFBOS
Great Falls
Sat 10/24
6:27 pm-9:44 am
2 stops13h 17m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$225
Great FallsBoston
GTF Great Falls - BOS Boston Logan Intl
GTFBOS
Great Falls
Tue 10/20
6:27 pm-11:15 am
2 stops14h 48m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$225
Quickest round-trip
Great FallsBoston
GTF Great Falls - BOS Boston Logan Intl
GTFBOS
Great Falls
Fri 10/16
2:37 pm-11:59 pm
1 stop7h 22m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$256
Great FallsBoston
GTF Great Falls - BOS Boston Logan Intl
GTFBOS
Great Falls
Mon 9/28
2:37 pm-11:59 pm
1 stop7h 22m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$294
Great FallsBoston
GTF Great Falls - BOS Boston Logan Intl
GTFBOS
Great Falls
Mon 9/28
6:21 pm-11:15 am
2 stops14h 54m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$300
Great FallsBoston
GTF Great Falls - BOS Boston Logan Intl
GTFBOS
Great Falls
Sun 10/18
5:15 pm-5:21 am
2 stops34h 06m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$428
Showing 1-10 of 18 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 September.
| 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
Randolph
Concord
Cambridge
Brockton
Dedham
Cranston
Revere
Warwick
Pawtucket
Peabody
Auburn
Londonderry
York Beach
Fitchburg
North Falmouth
Swansea
Chelsea
Braintree
Sandwich
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