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$364+ 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — BUF
May 1 — May 81
Fri 5/1
Fri 5/8
1 adult, Economy
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Cheap flight deals from Rapid City to Buffalo

Cheapest flights from Rapid City to Buffalo
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 April 1, 2026.

This Delta deal was found by Cheapflights users on 3/30. 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 10/2810:40 am
RAP
-
BUF
1 stop5h 53m
Delta
Sun 11/17:25 pm
BUF
-
RAP
1 stop4h 44m
Delta
Deal found 3/30$364
This Delta deal was found by Cheapflights users on 3/30. 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 10/2810:40 am
RAP
-
BUF
1 stop5h 53m
Delta
Mon 11/27:25 pm
BUF
-
RAP
1 stop4h 44m
Delta
Deal found 3/30$399
This United Airlines deal was found by Cheapflights users on 3/30. 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 5/11:00 pm
RAP
-
BUF
1 stop8h 05m
United Airlines
Sun 5/38:37 am
BUF
-
RAP
1 stop6h 32m
United Airlines
Deal found 3/30$409
This American Airlines deal was found by Cheapflights users on 3/31. 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.
Thu 8/2012:41 pm
RAP
-
BUF
1 stop8h 29m
American Airlines
Tue 8/254:50 pm
BUF
-
RAP
1 stop7h 08m
American Airlines
Deal found 3/31$424
This Delta deal was found by Cheapflights users on 3/30. 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 10/2910:40 am
RAP
-
BUF
1 stop5h 53m
Delta
Tue 11/37:25 pm
BUF
-
RAP
1 stop4h 44m
Delta
Deal found 3/30$434
This United Airlines deal was found by Cheapflights users on 3/30. 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 4/291:00 pm
RAP
-
BUF
1 stop8h 10m
United Airlines
Sat 5/25:55 pm
BUF
-
RAP
1 stop5h 51m
United Airlines
Deal found 3/30$439
This Delta deal was found by Cheapflights users on 3/30. 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 10/2910:40 am
RAP
-
BUF
1 stop5h 53m
Delta
Mon 11/27:25 pm
BUF
-
RAP
1 stop4h 44m
Delta
Deal found 3/30$469

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 April 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$409
(United Airlines)
Provider with most accurate pricing for Rapid City-Buffalo flight deals.
Search Deals
Provider most trusted by Cheapflights users for Rapid City-Buffalo flights.
Search Deals
From Rapid City to Buffalo
Search Deals

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 2,558,603 searches. Data last updated April 1, 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

Price

Cheapest round-trip

Rapid CityBuffalo

RAP - BUF

RAPBUF

Rapid City

Thu 8/20

12:41 pm-11:10 pm

1 stop8h 29m

Buffalo

Tue 8/25

7:00 am-4:27 pm

2 stops11h 27m

$429
Quickest round-trip

Rapid CityBuffalo

RAP - BUF

RAPBUF

Rapid City

Wed 4/29

1:00 pm-11:10 pm

1 stop8h 10m

Buffalo

Sat 5/2

5:55 pm-9:46 pm

1 stop5h 51m

$439

Rapid CityBuffalo

RAP - BUF

RAPBUF

Rapid City

Fri 5/1

10:00 am-9:01 pm

2 stops9h 01m

Buffalo

Sun 5/3

8:37 am-1:09 pm

1 stop6h 32m

$495

Rapid CityBuffalo

RAP - BUF

RAPBUF

Rapid City

Fri 5/1

4:57 pm-10:51 am

2 stops15h 54m

Buffalo

Sun 5/3

7:28 pm-11:23 am

2 stops17h 55m

$636

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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 April 1, 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.
United Airlines
7.4
Good
9,529 reviews

Entertainment

7.1

Comfort

7.3

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,529 reviews
United Airlines
7.4
Good
9,529 reviews

Entertainment

7.1

Comfort

7.3

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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.

  • How long is the flight from Rapid City to Buffalo?

    A quick flight from Rapid City to Buffalo can take about 8h 10m. American Airlines provides one of the quickest options available for as low as $439. Airlines will cover a distance of 1217 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Rapid City to Buffalo round-trip?

    Cheapflights users have booked flights from Rapid City to Buffalo round-trip from $288.

  • Can I find deals for flights from Rapid City to Buffalo that include hotel bookings?

    Yes. In addition to deals on Rapid City to Buffalo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Rapid City to Buffalo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rapid City to Buffalo.

  • Can I find deals for business class flights from Rapid City to Buffalo?

    Yes. Cheapflights offers flight deals from Rapid City to Buffalo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Lockport
Cheektowaga
Batavia
Williamsville
Orchard Park
Eden
Amherst
West Seneca

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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 2,558,603 searches. Data last updated April 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$288Average$365FlexibilityNo cancel feeOn-time69%

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