$245+ Cheap flights from Rapid City to Buffalo (RAP - 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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — BUF
Oct 28 — Nov 41
Round-trip
1 adult, Economy
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Find cheap flights from Rapid City 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 Rapid City to Buffalo
Cheapest
Best
Last-minute
One-way
Cheapest flights from Rapid City to BuffaloExplore the most affordable flight options available from Rapid City to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 28, 2026.
Explore the most affordable flight options available from Rapid City to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 28, 2026.
This United Airlines deal was found by Cheapflights users on 9/27. 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 10/2412:30 pm -
1 stop8h 13m
Wed 10/288:50 am -
1 stop5h 58m
Deal found 9/27![United Airlines logo]()
$469
This United Airlines deal was found by Cheapflights users on 9/24. 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 10/207:05 am -
2 stops14h 06m
Sat 10/247:00 am -
1 stop5h 15m
Deal found 9/24![United Airlines logo]()
$474
This United Airlines deal was found by Cheapflights users on 9/28. 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 10/131:37 pm -
1 stop5h 10m
Sat 10/177:00 am -
1 stop5h 15m
Deal found 9/28![United Airlines logo]()
$538
This United Airlines deal was found by Cheapflights users on 9/25. 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 9/267:05 am -
2 stops11h 42m
Thu 10/17:00 am -
1 stop5h 15m
Deal found 9/25![United Airlines logo]()
$759
Best flights from Rapid City to BuffaloDiscover carefully curated flight deals from Rapid City to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 28, 2026.
Discover carefully curated flight deals from Rapid City to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 28, 2026.
This United Airlines deal was found by Cheapflights users on 9/27. 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 10/2412:30 pm -
1 stop8h 13m
Wed 10/288:50 am -
1 stop5h 58m
Deal found 9/27![United Airlines logo]()
$469
This United Airlines deal was found by Cheapflights users on 9/25. 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 10/207:05 am -
2 stops14h 06m
Sat 10/247:00 am -
1 stop5h 15m
Deal found 9/25![United Airlines logo]()
$474
Last-minute flights from Rapid City to BuffaloDiscover last-minute flight deals from Rapid City to Buffalo. Data last updated September 28, 2026 and is based on user searches.
Discover last-minute flight deals from Rapid City to Buffalo. Data last updated September 28, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/26. 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 10/712:30 pm -
1 stop8h 13m
Sun 10/115:45 pm -
1 stop18h 30m
Deal found 9/26![United Airlines logo]()
$921
This United Airlines deal was found by Cheapflights users on 9/28. 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 10/131:37 pm -
1 stop5h 10m
Sat 10/177:00 am -
1 stop5h 15m
Deal found 9/28![United Airlines logo]()
$538
This United Airlines deal was found by Cheapflights users on 9/24. 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 10/207:05 am -
2 stops14h 06m
Sat 10/247:00 am -
1 stop5h 15m
Deal found 9/24![United Airlines logo]()
$474
This United Airlines deal was found by Cheapflights users on 9/27. 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 10/2412:30 pm -
1 stop8h 13m
Wed 10/288:50 am -
1 stop5h 58m
Deal found 9/27![United Airlines logo]()
$469
One-way flights from Rapid City to BuffaloSearch for one-way flight options from Rapid City to Buffalo. Find affordable one-way fares based on user searches. Data last updated September 28, 2026.
Search for one-way flight options from Rapid City to Buffalo. Find affordable one-way fares based on user searches. Data last updated September 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 11/52:56 pm -
2 stops20h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$245
This United Airlines deal was found by Cheapflights users on 9/27. 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 11/31:30 pm -
1 stop5h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![United Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 9/24. 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 12/2410:17 pm -
3 stops42h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Multiple Airlines logo]()
$412
This Kiwi.com deal was found by Cheapflights users on 9/27. 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.
Wed 11/45:57 pm -
3 stops21h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$452
This United Airlines deal was found by Cheapflights users on 9/26. 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 11/295:50 pm -
1 stop26h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![United Airlines logo]()
$631
This American Airlines deal was found by Cheapflights users on 9/26. 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 11/296:00 am -
2 stops13h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![American Airlines logo]()
$827
Find flight deals from Rapid City to Buffalo
Discover tips and strategies to find the most affordable flight options for your journey from Rapid City (RAP) 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 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $377 (United Airlines) |
One-way from | $245 (Kiwi.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from Rapid City 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 28, 2026.
Use the filters below to find and compare flights from Rapid City to Buffalo that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Rapid CityBuffalo
RAP Rapid City - BUF Buffalo
RAPBUF
Rapid City
Fri 12/25
1:32 pm-8:47 pm
1 stop5h 15m
Buffalo
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$339
Rapid CityBuffalo
RAP Rapid City - BUF Buffalo
RAPBUF
Rapid City
Thu 12/24
1:12 pm-10:52 pm
1 stop7h 40m
Buffalo
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$339
Quickest round-trip
Rapid CityBuffalo
RAP Rapid City - BUF Buffalo
RAPBUF
Rapid City
Thu 11/5
1:30 pm-8:36 pm
1 stop5h 06m
Buffalo
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$339
Rapid CityBuffalo
RAP Rapid City - BUF Buffalo
RAPBUF
Rapid City
Tue 11/3
1:30 pm-8:36 pm
1 stop5h 06m
Buffalo
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$339
Rapid CityBuffalo
RAP Rapid City - BUF Buffalo
RAPBUF
Rapid City
Wed 11/4
12:39 pm-10:33 pm
1 stop7h 54m
Buffalo
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$339
Rapid CityBuffalo
RAP Rapid City - BUF Buffalo
RAPBUF
Rapid City
Wed 11/4
6:11 am-9:35 pm
2 stops13h 24m
Buffalo
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$344
Rapid CityBuffalo
RAP Rapid City - BUF Buffalo
RAPBUF
Rapid City
Thu 12/24
10:17 pm-6:46 pm
3 stops42h 29m
Buffalo
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$412
Rapid CityBuffalo
RAP Rapid City - BUF Buffalo
RAPBUF
Rapid City
Sat 10/24
12:30 pm-10:43 pm
1 stop8h 13m
Buffalo
Wed 10/28
8:50 am-12:48 pm
1 stop5h 58m
$469
Rapid CityBuffalo
RAP Rapid City - BUF Buffalo
RAPBUF
Rapid City
Tue 10/20
7:05 am-11:11 pm
2 stops14h 06m
Buffalo
Sat 10/24
7:00 am-10:15 am
1 stop5h 15m
$474
Rapid CityBuffalo
RAP Rapid City - BUF Buffalo
RAPBUF
Rapid City
Sun 11/29
5:50 pm-10:33 pm
1 stop26h 43m
Buffalo
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$631
Sorted by cheapest first
Compare providers for flights from Rapid City 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 Rapid City 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 Rapid City-Buffalo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Rapid City-Buffalo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Rapid City-Buffalo flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Rapid City-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 Rapid City-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 Rapid City to Buffalo
Have a flexible travel schedule? Discover the best time to fly to Buffalo from Rapid City with our price prediction graph.
RAP-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 28, 2026.
Read reviews from past customers who have flown United Airlines from Rapid City to Buffalo. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.7
Food
6.7
Comfort
7.3
Crew
8.1
Overall
7.4
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Boarding
7.7
Food
6.7
Comfort
7.3
Crew
8.1
Overall
7.4
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Related info for your journey
Find useful and relevant information for your journey from Rapid City 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
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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 28, 2026.
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Rapid City and Buffalo flights
Browse other Rapid City and Buffalo flight options. Last updated on September 28, 2026.
Other flights from Rapid City
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Popular flight searches
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Top airline flying from Rapid City to Buffalo
Discover the top airline that operate flights from Rapid City 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 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$288 | Average$523 | FlexibilityNo cancel fee | On-time69% |