$301+ Cheap flights from Missoula to Buffalo (MSO - BUF)
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 12/19. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — BUF
Oct 11 — Oct 181
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Missoula to Buffalo 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 Missoula to Buffalo
Cheapest
Best
Last-minute
One-way
Cheapest flights from Missoula to BuffaloExplore the most affordable flight options available from Missoula to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
Explore the most affordable flight options available from Missoula to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/51:06 pm -
1 stop6h 31m
Sat 12/128:00 am -
1 stop6h 36m
Deal found 9/10![American Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 9/9. 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 12/58:27 am -
2 stops13h 38m
Sat 12/1212:11 pm -
2 stops9h 51m
Deal found 9/9![Delta logo]()
$389
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/262:38 pm -
1 stop6h 05m
Thu 10/17:00 am -
1 stop6h 32m
Deal found 9/9![United Airlines logo]()
$413
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Tue 9/222:40 pm -
1 stop5h 57m
Sat 9/268:45 am -
1 stop6h 47m
Deal found 9/7![United Airlines logo]()
$449
Best flights from Missoula to BuffaloDiscover carefully curated flight deals from Missoula to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
Discover carefully curated flight deals from Missoula to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
This United Airlines deal was found by Cheapflights users on 9/10. 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 1/92:27 pm -
1 stop6h 27m
Tue 1/128:24 am -
1 stop7h 03m
Deal found 9/10![United Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 9/10. 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 12/56:15 am -
2 stops8h 42m
Sat 12/125:39 pm -
3 stops29h 47m
Deal found 9/10![United Airlines logo]()
$634
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 12/242:39 pm -
1 stop6h 11m
Sat 1/26:30 am -
2 stops17h 10m
Deal found 9/10![United Airlines logo]()
$698
Last-minute flights from Missoula to BuffaloDiscover last-minute flight deals from Missoula to Buffalo. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Missoula to Buffalo. Data last updated September 11, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Tue 9/222:40 pm -
1 stop5h 57m
Sat 9/268:45 am -
1 stop6h 47m
Deal found 9/7![United Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/262:38 pm -
1 stop6h 05m
Thu 10/17:00 am -
1 stop6h 32m
Deal found 9/9![United Airlines logo]()
$413
This United Airlines deal was found by Cheapflights users on 9/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:28 pm -
2 stops9h 22m
Mon 10/127:00 am -
1 stop6h 32m
Deal found 9/6![United Airlines logo]()
$788
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/181:48 pm -
1 stop8h 11m
Wed 10/217:00 am -
1 stop8h 18m
Deal found 9/10![American Airlines logo]()
$800
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/182:38 pm -
1 stop6h 05m
Wed 10/2110:30 am -
2 stops13h 02m
Deal found 9/10![United Airlines logo]()
$815
One-way flights from Missoula to BuffaloSearch for one-way flight options from Missoula to Buffalo. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
Search for one-way flight options from Missoula to Buffalo. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
This American Airlines deal was found by Cheapflights users on 9/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/191:42 pm -
1 stop8h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![American Airlines logo]()
$301
This United Airlines deal was found by Cheapflights users on 9/10. 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 12/192:39 pm -
1 stop6h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![United Airlines logo]()
$311
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/187:00 am -
2 stops12h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![American Airlines logo]()
$313
This United Airlines deal was found by Cheapflights users on 9/10. 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 12/186:00 am -
3 stops15h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![United Airlines logo]()
$1,454
Find flight deals from Missoula to Buffalo
Discover tips and strategies to find the most affordable flight options for your journey from Missoula (MSO) to Buffalo (BUF). 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 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $359 (American Airlines) |
One-way from | $301 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Missoula to Buffalo 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 11, 2026.
Use the filters below to find and compare flights from Missoula to Buffalo that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MissoulaBuffalo
MSO Missoula Johnson-Bell Field - BUF Buffalo
MSOBUF
Missoula Johnson-Bell Field
Sat 12/19
1:42 pm-11:56 pm
1 stop8h 14m
Buffalo
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$301
Quickest round-trip
MissoulaBuffalo
MSO Missoula Johnson-Bell Field - BUF Buffalo
MSOBUF
Missoula Johnson-Bell Field
Sat 12/19
2:39 pm-10:50 pm
1 stop6h 11m
Buffalo
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$311
MissoulaBuffalo
MSO Missoula Johnson-Bell Field - BUF Buffalo
MSOBUF
Missoula Johnson-Bell Field
Sat 1/9
2:27 pm-10:54 pm
1 stop6h 27m
Buffalo
Tue 1/12
8:24 am-1:27 pm
1 stop7h 03m
$459
MissoulaBuffalo
MSO Missoula Johnson-Bell Field - BUF Buffalo
MSOBUF
Missoula Johnson-Bell Field
Fri 12/18
1:42 pm-11:41 pm
1 stop7h 59m
Buffalo
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$470
MissoulaBuffalo
MSO Missoula Johnson-Bell Field - BUF Buffalo
MSOBUF
Missoula Johnson-Bell Field
Sat 12/5
6:15 am-4:57 pm
2 stops8h 42m
Buffalo
Sat 12/12
5:39 pm-9:26 pm
3 stops29h 47m
$634
MissoulaBuffalo
MSO Missoula Johnson-Bell Field - BUF Buffalo
MSOBUF
Missoula Johnson-Bell Field
Thu 12/24
2:39 pm-10:50 pm
1 stop6h 11m
Buffalo
Sat 1/2
6:30 am-9:40 pm
2 stops17h 10m
$698
MissoulaBuffalo
MSO Missoula Johnson-Bell Field - BUF Buffalo
MSOBUF
Missoula Johnson-Bell Field
Fri 12/18
6:00 am-11:04 pm
3 stops15h 04m
Buffalo
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$1,454
Sorted by cheapest first
Compare providers for flights from Missoula to Buffalo
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 Missoula to Buffalo 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 Missoula-Buffalo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Missoula-Buffalo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Missoula-Buffalo flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Missoula-Buffalo 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 Missoula-Buffalo 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 Missoula to Buffalo
Have a flexible travel schedule? Discover the best time to fly to Buffalo from Missoula with our price prediction graph.
MSO-BUF
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 Buffalo
Get insights into the airlines that provide service to Buffalo. 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 Buffalo. Reviews last updated September 11, 2026.
Read through reviews of airlines operating flights from Missoula to Buffalo, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.7
Comfort
7.3
Crew
8.1
Entertainment
7.1
Food
6.7
Overall
7.4
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Boarding
7.7
Comfort
7.3
Crew
8.1
Entertainment
7.1
Food
6.7
Overall
7.4
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Boarding
7.7
Comfort
7.3
Crew
8.1
Entertainment
7.1
Food
6.7
Overall
7.4
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Related info for your journey
Find useful and relevant information for your journey from Missoula to Buffalo. 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 Buffalo?
Book flights to Buffalo if you plan to visit one of these locationsCheektowaga
Lockport
Amherst
Williamsville
Orchard Park
Eden
Bowmansville
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.
Alternative routes
Buffalo flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Missoula
Popular flights
Alternative routes for Missoula to Buffalo
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Buffalo
Explore flights to Buffalo departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 11, 2026.
Complete your trip
Complete your trip to Buffalo by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Missoula to Buffalo by cabin class
Find flights from Missoula to Buffalo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Missoula and Buffalo flights
Browse other Missoula and Buffalo flight options. Last updated on September 11, 2026.
Other flights from Missoula
Browse through other flights departing from Missoula. Flights are based on user searches made on Cheapflights and were last updated on September 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Missoula to Buffalo
Discover the top 2 airlines that operate flights from Missoula to Buffalo. 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 7,457,451 searches. Data last updated September 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$331 | Average$734 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$474 | Average$689 | FlexibilityNo cancel fee | On-time71% |