$294+ 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — BOS
May 18 — May 251
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
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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 April 18, 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 April 18, 2026.
This Delta deal was found by Cheapflights users on 4/17. 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 4/17![Delta logo]()
$358
This Delta deal was found by Cheapflights users on 4/17. 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 5/126:19 pm
GTF
- BOS
1 stop10h 01m
Delta
Sat 5/166:10 am
BOS
- GTF
1 stop8h 17m
Delta
Deal found 4/17![Delta logo]()
$383
This Delta deal was found by Cheapflights users on 4/16. 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 5/16:20 pm
GTF
- BOS
1 stop9h 40m
Delta
Tue 5/510:20 am
BOS
- GTF
1 stop9h 20m
Delta
Deal found 4/16![Delta logo]()
$408
This Delta deal was found by Cheapflights users on 4/15. 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 4/15![Delta logo]()
$413
This United Airlines deal was found by Cheapflights users on 4/16. 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 stops13h 38m
United Airlines
Fri 5/293:10 pm
BOS
- GTF
1 stop8h 24m
United Airlines
Deal found 4/16![United Airlines logo]()
$431
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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 5/266:52 pm
GTF
- BOS
1 stop10h 49m
Alaska Airlines
Wed 5/277:11 pm
BOS
- GTF
1 stop25h 01m
Alaska Airlines
Deal found 4/16![Alaska Airlines logo]()
$461
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 April 18, 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 April 18, 2026.
This Delta deal was found by Cheapflights users on 4/14. 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 5/126:19 pm
GTF
- BOS
1 stop10h 01m
Delta
Sat 5/168:10 am
BOS
- GTF
2 stops11h 29m
Delta
Deal found 4/14![Delta logo]()
$364
This United Airlines deal was found by Cheapflights users on 4/13. 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 5/22:35 pm
GTF
- BOS
1 stop7h 24m
United Airlines
Tue 5/53:08 pm
BOS
- GTF
1 stop8h 10m
United Airlines
Deal found 4/13![United Airlines logo]()
$483
This Delta deal was found by Cheapflights users on 4/14. 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 4/14![Delta logo]()
$413
Last-minute flights from Great Falls to BostonDiscover last-minute flight deals from Great Falls to Boston. Data last updated April 18, 2026 and is based on user searches.
Discover last-minute flight deals from Great Falls to Boston. Data last updated April 18, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/16. 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 5/16:20 pm
GTF
- BOS
1 stop9h 40m
Delta
Tue 5/510:20 am
BOS
- GTF
1 stop9h 20m
Delta
Deal found 4/16![Delta logo]()
$408
This Delta deal was found by Cheapflights users on 4/14. 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 5/121:07 pm
GTF
- BOS
1 stop8h 51m
Delta
Sat 5/166:10 am
BOS
- GTF
1 stop8h 17m
Delta
Deal found 4/14![Delta logo]()
$358
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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 5/266:52 pm
GTF
- BOS
1 stop10h 49m
Alaska Airlines
Wed 5/277:11 pm
BOS
- GTF
1 stop25h 01m
Alaska Airlines
Deal found 4/16![Alaska Airlines logo]()
$461
This United Airlines deal was found by Cheapflights users on 4/16. 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 stops13h 38m
United Airlines
Fri 5/293:10 pm
BOS
- GTF
1 stop8h 24m
United Airlines
Deal found 4/16![United Airlines logo]()
$431
This Delta deal was found by Cheapflights users on 4/16. 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 4/16![Delta logo]()
$413
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 April 18, 2026.
Search for one-way flight options from Great Falls to Boston. Find affordable one-way fares based on user searches. Data last updated April 18, 2026.
This Delta deal was found by Cheapflights users on 4/16. 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 4/236:20 pm
GTF
- BOS
1 stop9h 40m
Delta
Deal found 4/16![Delta logo]()
$294
This KAYAK deal was found by Cheapflights users on 4/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/266:20 pm
GTF
- BOS
1 stop9h 40m
Delta
Deal found 4/14![Delta logo]()
$623
This United Airlines deal was found by Cheapflights users on 4/14. 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.
Sun 4/262:30 pm
GTF
- BOS
1 stop7h 29m
United Airlines
Deal found 4/14![United Airlines logo]()
$696
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 April 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $358 (Delta) |
One-way from | $294 (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 April 18, 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 - BOS
GTFBOS
Great Falls
Tue 5/12
6:19 pm-6:20 am
1 stop10h 01m
Boston Logan Intl
Sat 5/16
8:10 am-5:39 pm
2 stops11h 29m
$364
Great FallsBoston
GTF - BOS
GTFBOS
Great Falls
Sat 5/30
6:19 pm-6:20 am
1 stop10h 01m
Boston Logan Intl
Mon 6/8
6:05 am-12:40 pm
1 stop8h 35m
$413
Quickest round-trip
Great FallsBoston
GTF - BOS
GTFBOS
Great Falls
Sat 5/2
2:35 pm-11:59 pm
1 stop7h 24m
Boston Logan Intl
Tue 5/5
3:08 pm-9:18 pm
1 stop8h 10m
$483
Cheapest one-way
Quickest one-way
Great FallsBoston
GTF - BOS
GTFBOS
Great Falls
Thu 4/23
6:20 pm-6:00 am
1 stop9h 40m
$294
Great FallsBoston
GTF - BOS
GTFBOS
Great Falls
Sun 4/26
6:20 pm-6:00 am
1 stop9h 40m
$623
Great FallsBoston
GTF - BOS
GTFBOS
Great Falls
Sun 4/26
6:15 am-9:59 pm
2 stops13h 44m
$841
Sorted 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 April.
| 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.
Reviews of airlines servicing Boston
Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated April 18, 2026.
Get a feel of what it's like to fly with Delta from Great Falls to Boston by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Overall
7.9
Comfort
7.9
Food
7.2
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Overall
7.9
Comfort
7.9
Food
7.2
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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
Seabrook
Warwick
Peabody
York Beach
Londonderry
Swansea
Old Orchard Beach
Lincoln
Quincy
Waltham
Lowell
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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Other flights to Boston
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Great Falls and Boston flights
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Top airline flying from Great Falls to Boston
Discover the top airline that operate flights from Great Falls to Boston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$229 | Average$480 | FlexibilityNo cancel fee | On-timeN/A |