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$339+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — BUF
Aug 29 — Sep 51
Sat 8/29
Sat 9/5
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 July 30, 2026.

This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:46 am
RAP
-
BUF
1 stop5h 37m
Delta
Tue 8/257:52 pm
BUF
-
RAP
1 stop4h 45m
Delta
Deal found 7/27$339
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Thu 8/201:31 pm
RAP
-
BUF
1 stop5h 36m
United Airlines
Wed 8/2610:30 am
BUF
-
RAP
2 stops9h 28m
United Airlines
Deal found 7/27$344
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:00 am
RAP
-
BUF
1 stop7h 58m
American Airlines
Thu 11/57:00 am
BUF
-
RAP
1 stop7h 39m
American Airlines
Deal found 7/27$396
This American Airlines deal was found by Cheapflights users on 7/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/203:21 pm
RAP
-
BUF
1 stop6h 41m
American Airlines
Tue 8/255:00 am
BUF
-
RAP
2 stops11h 50m
American Airlines
Deal found 7/28$400
This United Airlines deal was found by Cheapflights users on 7/30. 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 9/412:30 pm
RAP
-
BUF
1 stop8h 07m
United Airlines
Mon 9/76:55 am
BUF
-
RAP
1 stop5h 31m
United Airlines
Deal found 7/30$405
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Wed 10/285:00 am
RAP
-
BUF
2 stops10h 02m
United Airlines
Thu 11/510:51 am
BUF
-
RAP
2 stops11h 52m
United Airlines
Deal found 7/27$439
This United Airlines deal was found by Cheapflights users on 7/29. 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 12/57:05 am
RAP
-
BUF
2 stops13h 32m
United Airlines
Wed 12/911:40 am
BUF
-
RAP
2 stops10h 53m
United Airlines
Deal found 7/29$459
This United Airlines deal was found by Cheapflights users on 7/27. 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 8/295:00 am
RAP
-
BUF
2 stops9h 57m
United Airlines
Tue 9/16:55 am
BUF
-
RAP
1 stop5h 31m
United Airlines
Deal found 7/27$504

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 July 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$339
(American 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
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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 July 30, 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
Quickest round-trip

Rapid CityBuffalo

RAP - BUF

RAPBUF

Rapid City

Thu 8/20

10:46 am-6:23 pm

1 stop5h 37m

Buffalo

Tue 8/25

7:52 pm-10:37 pm

1 stop4h 45m

$339

Rapid CityBuffalo

RAP - BUF

RAPBUF

Rapid City

Thu 8/20

1:31 pm-9:07 pm

1 stop5h 36m

Buffalo

Wed 8/26

10:30 am-5:58 pm

2 stops9h 28m

$344

Rapid CityBuffalo

RAP - BUF

RAPBUF

Rapid City

Thu 8/20

3:21 pm-12:02 am

1 stop6h 41m

Buffalo

Tue 8/25

5:00 am-11:15 am

2 stops8h 15m

$344

Rapid CityBuffalo

RAP - BUF

RAPBUF

Rapid City

Wed 10/28

10:24 am-11:46 pm

2 stops11h 22m

Buffalo

Thu 11/5

7:00 am-12:39 pm

1 stop7h 39m

$401

Rapid CityBuffalo

RAP - BUF

RAPBUF

Rapid City

Fri 9/4

12:30 pm-10:37 pm

1 stop8h 07m

Buffalo

Mon 9/7

6:55 am-10:26 am

1 stop5h 31m

$405

Rapid CityBuffalo

RAP - BUF

RAPBUF

Rapid City

Sat 12/5

7:05 am-10:37 pm

2 stops13h 32m

Buffalo

Wed 12/9

11:40 am-8:33 pm

2 stops10h 53m

$459

Rapid CityBuffalo

RAP - BUF

RAPBUF

Rapid City

Sat 8/29

5:00 am-4:57 pm

2 stops9h 57m

Buffalo

Tue 9/1

6:55 am-10:26 am

1 stop5h 31m

$504

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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 July.
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.

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 5h 36m. Delta provides one of the quickest options available for as low as $344. Airlines will cover a distance of 1217 mi. This flight may include one or multiple stops.

  • 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
Amherst
Williamsville
Orchard Park
Eden
Bowmansville

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