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$324+ Cheap flights from Rapid City to Buffalo (RAP - BUF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/18. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — BUF
Jun 29 — Jul 61
Mon 6/29
Mon 7/6
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 May 30, 2026.

This Delta deal was found by Cheapflights users on 5/27. 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.
Mon 6/2911:00 am
RAP
-
BUF
1 stop5h 27m
Delta
Sun 7/57:45 pm
BUF
-
RAP
1 stop4h 52m
Delta
Deal found 5/27$329
This United Airlines deal was found by Cheapflights users on 5/29. 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.
Thu 8/201:31 pm
RAP
-
BUF
1 stop5h 36m
United Airlines
Tue 8/2510:30 am
BUF
-
RAP
2 stops9h 23m
United Airlines
Deal found 5/29$334
This Delta deal was found by Cheapflights users on 5/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:48 am
RAP
-
BUF
2 stops10h 20m
Delta
Tue 8/257:52 pm
BUF
-
RAP
1 stop4h 45m
Delta
Deal found 5/28$389
This American Airlines deal was found by Cheapflights users on 5/26. 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.
Tue 8/186:28 am
RAP
-
BUF
2 stops9h 01m
American Airlines
Wed 8/264:50 pm
BUF
-
RAP
1 stop6h 45m
American Airlines
Deal found 5/26$390
This American Airlines deal was found by Cheapflights users on 5/26. 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.
Thu 8/2011:39 am
RAP
-
BUF
1 stop9h 01m
American Airlines
Tue 8/256:14 am
BUF
-
RAP
2 stops12h 20m
American Airlines
Deal found 5/26$410
This American Airlines deal was found by Cheapflights users on 5/26. 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.
Wed 6/103:19 pm
RAP
-
BUF
1 stop7h 19m
American Airlines
Sun 6/146:00 am
BUF
-
RAP
1 stop7h 14m
American Airlines
Deal found 5/26$458
This Delta deal was found by Cheapflights users on 5/30. 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.
Fri 12/2511:30 am
RAP
-
BUF
2 stops9h 35m
Delta
Sat 1/25:55 pm
BUF
-
RAP
2 stops6h 44m
Delta
Deal found 5/30$479

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 May 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$329
(Delta)

One-way from

$324
(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
One-way flight 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 May 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

Mon 6/29

11:00 am-6:27 pm

1 stop5h 27m

Buffalo

Sun 7/5

7:45 pm-10:37 pm

1 stop4h 52m

$329

Rapid CityBuffalo

RAP - BUF

RAPBUF

Rapid City

Thu 8/20

1:31 pm-9:07 pm

1 stop5h 36m

Buffalo

Tue 8/25

6:55 am-10:26 am

1 stop5h 31m

$329

Rapid CityBuffalo

RAP - BUF

RAPBUF

Rapid City

Thu 8/20

11:39 am-10:40 pm

1 stop9h 01m

Buffalo

Tue 8/25

6:14 am-2:50 pm

2 stops10h 36m

$410

Rapid CityBuffalo

RAP - BUF

RAPBUF

Rapid City

Tue 8/18

6:28 am-5:29 pm

2 stops9h 01m

Buffalo

Wed 8/26

5:00 am-11:49 am

2 stops8h 49m

$415

Rapid CityBuffalo

RAP - BUF

RAPBUF

Rapid City

Thu 8/20

6:48 am-7:08 pm

2 stops10h 20m

Buffalo

Tue 8/25

7:52 pm-10:37 pm

1 stop4h 45m

$419
Cheapest one-way

Rapid CityBuffalo

RAP - BUF

RAPBUF

Rapid City

Fri 7/10

3:25 pm-10:47 pm

1 stop5h 22m

$328

Rapid CityBuffalo

RAP - BUF

RAPBUF

Rapid City

Sat 8/1

12:41 pm-12:15 am

2 stops9h 34m

$329

Rapid CityBuffalo

RAP - BUF

RAPBUF

Rapid City

Fri 6/12

11:07 am-6:27 pm

1 stop5h 20m

$356

Rapid CityBuffalo

RAP - BUF

RAPBUF

Rapid City

Fri 6/12

3:21 pm-10:58 pm

1 stop5h 37m

$356

Rapid CityBuffalo

RAP - BUF

RAPBUF

Rapid City

Sat 8/1

12:25 pm-10:41 am

3 stops44h 16m

$387

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/26

Showing 1-10 of 13 resultsSorted by cheapest first
1
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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 May.
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 27m. Delta provides one of the quickest options available for as low as $329. 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
Batavia
Williamsville
Orchard Park
Eden

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