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Cheap flights from Rapid City to Buffalo from $259

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rapid City to Buffalo departing on 9/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Rapid City to Buffalo

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
1:33 pm - 9:08 pm
RAP
-
BUF
5h 35m
1 stop
United Airlines Logo
7:00 am - 10:12 am
BUF
-
RAP
5h 12m
1 stop
$355United Airlines
Thu, Aug 20 - Tue, Aug 25
United Airlines Logo
1:33 pm - 9:08 pm
RAP
-
BUF
5h 35m
1 stop
United Airlines Logo
10:54 am - 7:25 pm
BUF
-
RAP
10h 31m
2 stops
$360United Airlines
Thu, Aug 20 - Tue, Aug 25
American Airlines Logo
11:48 am - 10:40 pm
RAP
-
BUF
8h 52m
1 stop
American Airlines Logo
4:50 pm - 9:35 pm
BUF
-
RAP
6h 45m
1 stop
$385American Airlines
Thu, Aug 20 - Tue, Aug 25
American Airlines Logo
11:48 am - 10:40 pm
RAP
-
BUF
8h 52m
1 stop
American Airlines Logo
6:14 am - 4:32 pm
BUF
-
RAP
12h 18m
2 stops
$390American Airlines
Thu, Aug 20 - Tue, Aug 25
United Airlines Logo
5:20 am - 4:54 pm
RAP
-
BUF
9h 34m
2 stops
United Airlines Logo
7:00 am - 10:24 am
BUF
-
RAP
5h 24m
1 stop
$430United Airlines
Tue, May 19 - Sat, May 23
United Airlines Logo
5:00 am - 4:41 pm
RAP
-
BUF
9h 41m
2 stops
United Airlines Logo
7:00 am - 10:24 am
BUF
-
RAP
5h 24m
1 stop
$435United Airlines
Tue, Jun 23 - Tue, Jun 30
American Airlines Logo
10:19 am - 9:31 pm
RAP
-
BUF
9h 12m
2 stops
American Airlines Logo
6:14 am - 4:32 pm
BUF
-
RAP
12h 18m
2 stops
$442American Airlines
Thu, Aug 20 - Tue, Aug 25
United Airlines Logo
2:35 pm - 11:05 pm
RAP
-
BUF
6h 30m
1 stop
United Airlines Logo
7:00 am - 10:24 am
BUF
-
RAP
5h 24m
1 stop
$448United Airlines
Wed, May 20 - Sun, May 24
American Airlines Logo
11:50 am - 10:50 pm
RAP
-
BUF
9h 00m
1 stop
American Airlines Logo
6:00 am - 11:14 am
BUF
-
RAP
7h 14m
1 stop
$450American Airlines
Tue, Jun 23 - Tue, Jun 30
American Airlines Logo
6:28 am - 5:29 pm
RAP
-
BUF
9h 01m
2 stops
American Airlines Logo
6:14 am - 4:32 pm
BUF
-
RAP
12h 18m
2 stops
$490American Airlines
Thu, Aug 20 - Tue, Aug 25

American Airlines flights from Rapid City to Buffalo

Our best American Airlines deals on Rapid City to Buffalo flight tickets
American Airlines
Aug 20
RAP11:48 amRapid City
8h 52m
1 stop
BUF10:40 pmBuffalo
Aug 25
BUF4:50 pmBuffalo
6h 45m
1 stop
RAP9:35 pmRapid City
$385
American Airlines
Aug 20
RAP11:48 amRapid City
8h 52m
1 stop
BUF10:40 pmBuffalo
Aug 25
BUF6:14 amBuffalo
12h 18m
2 stops
RAP4:32 pmRapid City
$390
American Airlines
Aug 20
RAP10:19 amRapid City
9h 12m
2 stops
BUF9:31 pmBuffalo
Aug 25
BUF6:14 amBuffalo
12h 18m
2 stops
RAP4:32 pmRapid City
$442

United Airlines flights from Rapid City to Buffalo

Our best United Airlines deals on Rapid City to Buffalo flight tickets
United Airlines
Aug 20
RAP1:33 pmRapid City
5h 35m
1 stop
BUF9:08 pmBuffalo
Aug 25
BUF7:00 amBuffalo
5h 12m
1 stop
RAP10:12 amRapid City
$355
United Airlines
Aug 20
RAP1:33 pmRapid City
5h 35m
1 stop
BUF9:08 pmBuffalo
Aug 25
BUF10:54 amBuffalo
10h 31m
2 stops
RAP7:25 pmRapid City
$360
United Airlines
May 19
RAP5:20 amRapid City
9h 34m
2 stops
BUF4:54 pmBuffalo
May 23
BUF7:00 amBuffalo
5h 24m
1 stop
RAP10:24 amRapid City
$430

momondo 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, momondo users made 832,500 searches. Data last updated May 6, 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

1:33 pm-9:08 pm

1 stop5h 35m

Buffalo

Tue 8/25

7:00 am-10:12 am

1 stop5h 12m

$355

Rapid CityBuffalo

RAP - BUF

RAPBUF

Rapid City

Thu 8/20

1:33 pm-9:08 pm

1 stop5h 35m

Buffalo

Tue 8/25

10:54 am-7:25 pm

2 stops10h 31m

$360

Rapid CityBuffalo

RAP - BUF

RAPBUF

Rapid City

Thu 8/20

11:48 am-10:40 pm

1 stop8h 52m

Buffalo

Tue 8/25

4:50 pm-9:35 pm

1 stop6h 45m

$385

Rapid CityBuffalo

RAP - BUF

RAPBUF

Rapid City

Thu 8/20

11:48 am-10:40 pm

1 stop8h 52m

Buffalo

Tue 8/25

6:14 am-4:32 pm

2 stops12h 18m

$390

Rapid CityBuffalo

RAP - BUF

RAPBUF

Rapid City

Tue 5/19

5:20 am-4:54 pm

2 stops9h 34m

Buffalo

Sat 5/23

7:00 am-10:24 am

1 stop5h 24m

$430

Rapid CityBuffalo

RAP - BUF

RAPBUF

Rapid City

Tue 6/23

5:00 am-4:41 pm

2 stops9h 41m

Buffalo

Tue 6/30

7:00 am-10:24 am

1 stop5h 24m

$435

Rapid CityBuffalo

RAP - BUF

RAPBUF

Rapid City

Thu 8/20

10:19 am-9:31 pm

2 stops9h 12m

Buffalo

Tue 8/25

6:14 am-4:32 pm

2 stops12h 18m

$442

Rapid CityBuffalo

RAP - BUF

RAPBUF

Rapid City

Wed 5/20

2:35 pm-11:05 pm

1 stop6h 30m

Buffalo

Sun 5/24

7:00 am-10:24 am

1 stop5h 24m

$448

Rapid CityBuffalo

RAP - BUF

RAPBUF

Rapid City

Tue 6/23

11:50 am-10:50 pm

1 stop9h 00m

Buffalo

Tue 6/30

6:00 am-11:14 am

1 stop7h 14m

$450

Rapid CityBuffalo

RAP - BUF

RAPBUF

Rapid City

Thu 8/20

6:28 am-5:29 pm

2 stops9h 01m

Buffalo

Tue 8/25

6:14 am-4:32 pm

2 stops12h 18m

$490

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Buffalo from

How to get the cheapest flight ticket from Rapid City to Buffalo

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Rapid City to Buffalo flights?

You could potentially save up to 19% on your flight if you consider stops on a Rapid City to Buffalo flight.

When to book flights from Rapid City to Buffalo

Are you open to changing your travel dates? Check out the ideal times to fly from Rapid City to Buffalo according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Rapid City to Buffalo (RAP to BUF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rapid City to Buffalo

Fastest flight time

5h 28m

Direct flights

None
The fastest flight from Rapid City to Buffalo takes 5h 28m
There are no direct flights from Rapid City to Buffalo. There are no popular flight routes from Rapid City to Buffalo.
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Frequently asked questions about flying from Rapid City to Buffalo

  • How far is Rapid City to Buffalo by plane?

    A flight from Rapid City to Buffalo will travel around 1218.3 mi. In terms of flight time, this usually takes a little over 5h 28m.

  • When did momondo last update prices for flights from Rapid City Airport to Buffalo Airport?

    Prices for flights from Rapid City Airport to Buffalo Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Rapid City Airport to Buffalo Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Rapid City Airport to Buffalo Airport.

  • What documentation or ID do you need to fly to Buffalo Airport?

    The travel and health documents you'll need for your trip to Buffalo Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Buffalo Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Batavia
Cheektowaga
Amherst
Tonawanda
Grand Island
Williamsville
Orchard Park
Lockport
West Seneca
Bowmansville
East Aurora
Eden
Angola

Why use momondo?

Why should I use momondo to find a flight deal from Rapid City to Buffalo?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Rapid City to Buffalo. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Rapid City to Buffalo with flexible booking policies on momondo?

Flights from Rapid City to Buffalo with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Rapid City to Buffalo?

Once all potential Rapid City to Buffalo flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Rapid City to Buffalo right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Rapid City to Buffalo flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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