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Rapid City

$274+ Cheap flights from Buffalo to Rapid City (BUF - RAP)

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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — RAP
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap 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 September 16, 2025.

Round-trip from

$274
(American Airlines)

Popular in

November

Cheapest in

July

Average price

$503
From Buffalo to Rapid City
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($166 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 16, 2025.

This American Airlines deal was found by Cheapflights users on 9/16. 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 12/311:26 amBUF - RAP
2 stops11h 50mAmerican Airlines
Sat 12/61:43 pmRAP - BUF
1 stop6h 38mAmerican Airlines
Deal found 9/16$274
This Delta deal was found by Cheapflights users on 9/16. 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 12/36:00 amBUF - RAP
2 stops11h 45mDelta
Sat 12/611:02 amRAP - BUF
2 stops10h 53mDelta
Deal found 9/16$279
This United Airlines deal was found by Cheapflights users on 9/15. 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 9/198:33 amBUF - RAP
1 stop6h 05mUnited Airlines
Sun 9/213:19 pmRAP - BUF
1 stop5h 37mUnited Airlines
Deal found 9/15$540
This United Airlines deal was found by Cheapflights users on 9/14. 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 12/246:30 amBUF - RAP
1 stop6h 00mUnited Airlines
Mon 12/291:27 pmRAP - BUF
1 stop5h 50mUnited Airlines
Deal found 9/14$608
This United Airlines deal was found by Cheapflights users on 9/16. 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 11/268:10 amBUF - RAP
1 stop8h 33mUnited Airlines
Sun 11/308:45 amRAP - BUF
1 stop12h 07mUnited Airlines
Deal found 9/16$751
This United Airlines deal was found by Cheapflights users on 9/16. 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 12/310:10 amBUF - RAP
2 stops12h 27mUnited Airlines
Sat 12/68:30 amRAP - BUF
3 stops10h 45mUnited Airlines
Deal found 9/16$913

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 September 16, 2025.
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

Wed 12/3

11:26 am-9:16 pm

2 stops11h 50m

Rapid City

Sat 12/6

1:43 pm-10:21 pm

1 stop6h 38m

$274

BuffaloRapid City

BUF - RAP

BUFRAP

Buffalo

Fri 9/19

8:33 am-12:38 pm

1 stop6h 05m

Rapid City

Sun 9/21

3:19 pm-10:56 pm

1 stop5h 37m

$540

BuffaloRapid City

BUF - RAP

BUFRAP

Buffalo

Wed 11/26

8:10 am-2:43 pm

1 stop8h 33m

Rapid City

Sun 11/30

8:45 am-10:52 pm

1 stop12h 07m

$751

BuffaloRapid City

BUF - RAP

BUFRAP

Buffalo

Wed 12/3

10:10 am-8:37 pm

2 stops12h 27m

Rapid City

Sat 12/6

8:30 am-9:15 pm

3 stops10h 45m

$913

BuffaloRapid City

BUF - RAP

BUFRAP

Buffalo

Mon 9/22

11:46 am-5:42 pm

1 stop7h 56m

$371

BuffaloRapid City

BUF - RAP

BUFRAP

Buffalo

Mon 9/22

6:00 am-9:59 pm

3 stops17h 59m

$963

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

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 time of day to fly from BUF to RAP?

Find hourly flight availability from Buffalo to Rapid City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

A simple way to save on the total cost of your ticket is to fly from Buffalo to Rapid City at noon. If you’re flexible enough to do this you can expect to save up to 5% on your trip compared to booking a flight in the morning.

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 September 16, 2025.
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
8,924 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,924 reviews
United Airlines
7.4
Good
8,924 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,924 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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 $540, American Airlines can have you in Rapid City from Buffalo in 6h 05m. 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 $322, 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 41% 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, January is the cheapest month in which you can book a flight from Buffalo to Rapid City (average of $348). Flying from Buffalo to Rapid City in June is currently the most expensive (average of $502). 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
Deadwood
Keystone
Sturgis
Spearfish

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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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$322Average$423FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$328Average$579FlexibilityNo cancel feeOn-time71%

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