HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Buffalo

$172+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — BUF
ago. 19 — ago. 261
mar. 8/19
mar. 8/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Rapid City to Buffalo 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 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 agosto 14, 2025.

Round-trip from

$351
(United Airlines)

One-way from

$172
(Delta)
From Rapid City to Buffalo
Search Deals
One-way flight from Rapid City to Buffalo
Search Deals

Find 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 agosto 14, 2025.

This United Airlines deal was found by Cheapflights users on 8/14. 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.
jue. 9/111:35 pmRAP - BUF
1 stop5h 41mUnited Airlines
mié. 9/177:05 amBUF - RAP
1 stop5h 17mUnited Airlines
Deal found 8/14$351
This American Airlines deal was found by Cheapflights users on 8/13. 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.
jue. 9/256:12 pmRAP - BUF
2 stops15h 17mAmerican Airlines
lun. 9/297:30 amBUF - RAP
1 stop7h 12mAmerican Airlines
Deal found 8/13$558
This United Airlines deal was found by Cheapflights users on 8/13. 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.
jue. 9/251:44 pmRAP - BUF
1 stop5h 29mUnited Airlines
lun. 9/297:45 pmBUF - RAP
3 stops16h 28mUnited Airlines
Deal found 8/13$633

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 agosto 14, 2025.
Use the filters below to find and compare flights from Rapid City to Buffalo that are best for you.

Fly from

Rapid City

Fly to

Buffalo

Route

Depart

Return

Price

Rapid CityBuffalo

RAP - BUF

RAPBUF

Rapid City

jue. 9/11

1:35 pm-9:16 pm

1 stop5h 41m

Buffalo

mié. 9/17

7:05 am-10:22 am

1 stop5h 17m

$351

Rapid CityBuffalo

RAP - BUF

RAPBUF

Rapid City

jue. 9/25

6:12 pm-11:29 am

2 stops15h 17m

Buffalo

lun. 9/29

7:30 am-12:42 pm

1 stop7h 12m

$558

Rapid CityBuffalo

RAP - BUF

RAPBUF

Rapid City

jue. 9/25

1:44 pm-9:13 pm

1 stop5h 29m

Buffalo

lun. 9/29

7:45 pm-10:13 am

3 stops16h 28m

$633

Rapid CityBuffalo

RAP - BUF

RAPBUF

Rapid City

mié. 10/15

10:33 am-10:52 pm

2 stops10h 19m

$172

Rapid CityBuffalo

RAP - BUF

RAPBUF

Rapid City

jue. 9/25

1:44 pm-9:13 pm

1 stop5h 29m

$187

Rapid CityBuffalo

RAP - BUF

RAPBUF

Rapid City

mié. 10/15

1:44 pm-9:13 pm

1 stop5h 29m

$196

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

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 agosto 14, 2025.
Read reviews from past customers who have flown United Airlines and American 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
8,916 reviews

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.6

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
8,916 reviews
United Airlines
7.4
Good
8,916 reviews

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.6

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
8,916 reviews

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.6

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 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.

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

    Cheapflights users have booked flights from Rapid City to Buffalo round-trip from $273. Another airline that can offer you cheap pricing is United Airlines.

  • 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.

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

    Currently, January is the cheapest month in which you can book a flight from Rapid City to Buffalo (average of $256). Flying from Rapid City to Buffalo in December is currently the most expensive (average of $337). 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 Buffalo?

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

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.

Top 2 airlines flying from Rapid City to Buffalo

Discover the top 2 airlines 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 agosto 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$273Average$413FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$293Average$418FlexibilityNo cancel feeOn-time69%

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.