$429+ 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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — BUF
Nov 22 — Nov 291
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
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 October 23, 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 October 23, 2026.
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/31:30 pm -
1 stop5h 06m
Sat 11/76:00 am -
1 stop6h 31m
Deal found 10/19![United Airlines logo]()
$429
This American Airlines deal was found by Cheapflights users on 10/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:11 am -
2 stops14h 33m
Sat 11/710:36 am -
2 stops12h 51m
Deal found 10/19![American Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Thu 11/512:39 pm -
1 stop7h 54m
Mon 11/96:30 am -
1 stop6h 01m
Deal found 10/21![United Airlines logo]()
$441
This Delta deal was found by Cheapflights users on 10/21. 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.
Thu 11/511:29 am -
2 stops9h 31m
Mon 11/92:15 pm -
2 stops10h 26m
Deal found 10/21![Delta logo]()
$639
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 October 23, 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 October 23, 2026.
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/31:30 pm -
1 stop5h 06m
Sat 11/76:00 am -
1 stop6h 31m
Deal found 10/19![United Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Thu 11/512:39 pm -
1 stop7h 54m
Mon 11/96:30 am -
1 stop6h 01m
Deal found 10/21![United Airlines logo]()
$441
This United Airlines deal was found by Cheapflights users on 10/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/166:00 am -
1 stop5h 15m
Wed 1/208:00 am -
1 stop7h 06m
Deal found 10/23![United Airlines logo]()
$469
This United Airlines deal was found by Cheapflights users on 10/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/238:30 am -
2 stops10h 22m
Wed 1/278:00 am -
1 stop7h 06m
Deal found 10/20![United Airlines logo]()
$474
Last-minute flights from Rapid City to BuffaloDiscover last-minute flight deals from Rapid City to Buffalo. Data last updated October 23, 2026 and is based on user searches.
Discover last-minute flight deals from Rapid City to Buffalo. Data last updated October 23, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/31:30 pm -
1 stop5h 06m
Sat 11/76:00 am -
1 stop6h 31m
Deal found 10/19![United Airlines logo]()
$429
This American Airlines deal was found by Cheapflights users on 10/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:11 am -
2 stops14h 33m
Sat 11/710:36 am -
2 stops12h 51m
Deal found 10/19![American Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Thu 11/512:39 pm -
1 stop7h 54m
Mon 11/96:30 am -
1 stop6h 01m
Deal found 10/21![United Airlines logo]()
$441
This Delta deal was found by Cheapflights users on 10/21. 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.
Thu 11/511:29 am -
2 stops9h 31m
Mon 11/92:15 pm -
2 stops10h 26m
Deal found 10/21![Delta logo]()
$639
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 October 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $429 (United Airlines) |
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 October 23, 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
Quickest round-trip
Rapid CityBuffalo
RAP Rapid City - BUF Buffalo
RAPBUF
Rapid City
Tue 11/3
1:30 pm-8:36 pm
1 stop5h 06m
Buffalo
Sat 11/7
6:00 am-10:31 am
1 stop6h 31m
$429
Rapid CityBuffalo
RAP Rapid City - BUF Buffalo
RAPBUF
Rapid City
Thu 11/5
12:39 pm-10:33 pm
1 stop7h 54m
Buffalo
Mon 11/9
6:30 am-10:31 am
1 stop6h 01m
$441
Rapid CityBuffalo
RAP Rapid City - BUF Buffalo
RAPBUF
Rapid City
Sat 1/16
6:00 am-1:15 pm
1 stop5h 15m
Buffalo
Wed 1/20
8:00 am-1:06 pm
1 stop7h 06m
$469
Rapid CityBuffalo
RAP Rapid City - BUF Buffalo
RAPBUF
Rapid City
Sat 1/23
8:30 am-8:52 pm
2 stops10h 22m
Buffalo
Wed 1/27
8:00 am-1:06 pm
1 stop7h 06m
$474
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 October.
| 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 October 23, 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.
Entertainment
7.1
Food
6.7
Crew
8.1
Overall
7.3
Comfort
7.3
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Entertainment
7.1
Food
6.7
Crew
8.1
Overall
7.3
Comfort
7.3
Boarding
7.7
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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Rapid City and Buffalo flights
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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 October 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$288 | Average$531 | FlexibilityNo cancel fee | On-time69% |