HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Rapid City

$216+ Cheap flights from Buffalo to Rapid City (BUF - RAP)

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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — RAP
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Buffalo to Rapid City 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 Buffalo to Rapid City

Cheapest flights from Buffalo to Rapid City
Explore the most affordable flight options available from Buffalo to Rapid City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2026.

This United Airlines deal was found by Cheapflights users on 1/19. 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 2/39:55 am
BUF
-
RAP
2 stops9h 17m
United Airlines
Sat 2/77:00 am
RAP
-
BUF
2 stops11h 29m
United Airlines
Deal found 1/19$350
This American Airlines deal was found by Cheapflights users on 1/19. 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.
Thu 2/511:27 am
BUF
-
RAP
2 stops11h 48m
American Airlines
Sun 2/82:08 pm
RAP
-
BUF
2 stops18h 49m
American Airlines
Deal found 1/19$383
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Sat 2/72:49 pm
BUF
-
RAP
2 stops9h 40m
United Airlines
Wed 2/1112:35 pm
RAP
-
BUF
1 stop8h 27m
United Airlines
Deal found 1/19$399
This American Airlines deal was found by Cheapflights users on 1/19. 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 2/36:53 am
BUF
-
RAP
1 stop8h 41m
American Airlines
Sat 2/72:08 pm
RAP
-
BUF
2 stops18h 42m
American Airlines
Deal found 1/19$412
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Thu 2/58:30 am
BUF
-
RAP
2 stops8h 52m
United Airlines
Sun 2/88:30 am
RAP
-
BUF
3 stops9h 59m
United Airlines
Deal found 1/19$976

Find flight deals from Buffalo to Rapid City

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Rapid City (RAP). 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 January 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$350
(United Airlines)

One-way from

$216
(American Airlines)

Popular in

February

Cheapest in

January

Average price

$384
Provider with most accurate pricing for Buffalo-Rapid City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Buffalo-Rapid City flights.
Search Deals
From Buffalo to Rapid City
Search Deals
One-way flight from Buffalo to Rapid City
Search Deals
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo to Rapid City 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 January 20, 2026.
Use the filters below to find and compare flights from Buffalo to Rapid City that are best for you.

Fly from

Buffalo

Fly to

Rapid City

Route

Depart

Return

Price

BuffaloRapid City

BUF - RAP

BUFRAP

Buffalo

Tue 2/3

9:55 am-5:12 pm

2 stops9h 17m

Rapid City

Sat 2/7

7:00 am-8:29 pm

2 stops11h 29m

$350

BuffaloRapid City

BUF - RAP

BUFRAP

Buffalo

Thu 2/5

11:27 am-9:15 pm

2 stops11h 48m

Rapid City

Sun 2/8

2:08 pm-10:57 am

2 stops18h 49m

$383

BuffaloRapid City

BUF - RAP

BUFRAP

Buffalo

Sat 2/7

2:49 pm-10:29 pm

2 stops9h 40m

Rapid City

Wed 2/11

12:35 pm-11:02 pm

1 stop8h 27m

$399

BuffaloRapid City

BUF - RAP

BUFRAP

Buffalo

Tue 2/3

6:53 am-1:34 pm

1 stop8h 41m

Rapid City

Sat 2/7

6:00 am-9:06 pm

1 stop13h 06m

$758

BuffaloRapid City

BUF - RAP

BUFRAP

Buffalo

Thu 2/5

8:30 am-3:22 pm

2 stops8h 52m

Rapid City

Sun 2/8

8:30 am-8:29 pm

3 stops9h 59m

$976

BuffaloRapid City

BUF - RAP

BUFRAP

Buffalo

Tue 4/21

7:00 am-12:38 pm

1 stop7h 38m

$216

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Compare providers for flights from Buffalo to Rapid City

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 Buffalo to Rapid City in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 Buffalo-Rapid City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-Rapid City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buffalo-Rapid City flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Buffalo-Rapid City flights, Cheapflights users trust Expedia the most. Expedia 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 Buffalo-Rapid City 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 Buffalo to Rapid City

Have a flexible travel schedule? Discover the best time to fly to Rapid City from Buffalo 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.

Cheapflights Insights

Everything you need to know about your flight from Buffalo to Rapid City

What is the cheapest month to book a flight from Buffalo to Rapid City?

Currently, August is the cheapest month in which you can book a flight from Buffalo to Rapid City (average of $273). Flying from Buffalo to Rapid City in February is currently the most expensive (average of $634). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Rapid City

Get insights into the airlines that provide service to Rapid City. 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 Rapid City. Reviews last updated January 20, 2026.
Peruse reviews from past customers who have flown with United Airlines and American Airlines from Buffalo to Rapid City to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,180 reviews

Overall

7.4

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

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
9,180 reviews
United Airlines
7.4
Good
9,180 reviews

Overall

7.4

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

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
American Airlines
7.2
Good
11,164 reviews
United Airlines
7.4
Good
9,180 reviews

Overall

7.4

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

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 Buffalo to Rapid City. 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 Buffalo to Rapid City?

    For as low as $350, United Airlines can have you in Rapid City from Buffalo in 9h 17m. The distance between Buffalo and Rapid City is about 1217 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Buffalo to Rapid City round-trip?

    United Airlines, at $326, was found to be the cheapest airline from Buffalo to Rapid City. An alternate airline flying to your destination would be American Airlines. United Airlines is currently priced 33% below the average price you’ll pay for this route.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Buffalo to Rapid City?

    Currently, August is the cheapest month in which you can book a flight from Buffalo to Rapid City (average of $273). Flying from Buffalo to Rapid City in February is currently the most expensive (average of $634). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Rapid City?

Book flights to Rapid City if you plan to visit one of these locations
Keystone
Deadwood
Sturgis
Spearfish

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Buffalo to Rapid City

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Rapid City flights
LaGuardia to Rapid City flights
Newark to Rapid City flights
John F Kennedy Intl to Sioux Falls flights
Syracuse to Rapid City flights
LaGuardia to Sioux Falls flights
Newark to Sioux Falls flights
Syracuse to Sioux Falls flights
Albany to Rapid City flights
Buffalo to Sioux Falls flights
Rochester to Sioux Falls flights
Albany to Sioux Falls flights
Ithaca to Sioux Falls flights
White Plains to Rapid City flights
White Plains to Sioux Falls flights
Rochester to Rapid City flights
Newark to Aberdeen flights
Binghamton to Sioux Falls flights
Elmira to Sioux Falls flights
Elmira to Rapid City flights
Islip to Sioux Falls flights
Stewart to Aberdeen flights
Stewart to Sioux Falls flights
Stewart to Rapid City flights

Top 2 airlines flying from Buffalo to Rapid City

Discover the top 2 airlines that operate flights from Buffalo to Rapid City. 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 January 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$326Average$424FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$379Average$579FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.