Cheap flights from Keystone starting at €149

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 15% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards
    Sign in

Cheapest flights from Keystone

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, 6 Feb - Sun, 9 Feb
RAP
Rapid City Regional
LAS
Harry Reid Intl.
€307 Return, found 3 days ago
€307
Return
found 3 days ago
Select United flight, departing Thu, 6 Feb from Rapid City Regional to Harry Reid Intl., returning Sun, 9 Feb, priced at €307 found 3 days ago
United
Thu, 6 Feb - Sun, 9 Feb
RAP
Rapid City Regional
LAS
Harry Reid Intl.
€335 Return, found 3 days ago
€335
Return
found 3 days ago
Select United flight, departing Thu, 6 Feb from Rapid City Regional to Harry Reid Intl., returning Sun, 9 Feb, priced at €335 found 3 days ago
United
Thu, 6 Feb - Sun, 9 Feb
RAP
Rapid City Regional
LAS
Harry Reid Intl.
€350 Return, found 3 days ago
€350
Return
found 3 days ago
Select United flight, departing Thu, 6 Feb from Rapid City Regional to Harry Reid Intl., returning Sun, 9 Feb, priced at €350 found 3 days ago
American Airlines
Thu, 6 Feb - Sun, 9 Feb
RAP
Rapid City Regional
LAS
Harry Reid Intl.
€360 Return, found 3 days ago
€360
Return
found 3 days ago
Select American Airlines flight, departing Thu, 6 Feb from Rapid City Regional to Harry Reid Intl., returning Sun, 9 Feb, priced at €360 found 3 days ago
United
Thu, 6 Feb - Sun, 9 Feb
RAP
Rapid City Regional
LAS
Harry Reid Intl.
€364 Return, found 3 days ago
€364
Return
found 3 days ago
Select United flight, departing Thu, 6 Feb from Rapid City Regional to Harry Reid Intl., returning Sun, 9 Feb, priced at €364 found 3 days ago
United
Thu, 6 Feb - Sun, 9 Feb
RAP
Rapid City Regional
LAS
Harry Reid Intl.
€379 Return, found 3 days ago
€379
Return
found 3 days ago
Select United flight, departing Thu, 6 Feb from Rapid City Regional to Harry Reid Intl., returning Sun, 9 Feb, priced at €379 found 3 days ago
United
Thu, 6 Feb - Sun, 9 Feb
RAP
Rapid City Regional
LAS
Harry Reid Intl.
€393 Return, found 3 days ago
€393
Return
found 3 days ago
Select United flight, departing Thu, 6 Feb from Rapid City Regional to Harry Reid Intl., returning Sun, 9 Feb, priced at €393 found 3 days ago
United
Thu, 6 Feb - Sun, 9 Feb
RAP
Rapid City Regional
LAS
Harry Reid Intl.
€398 Return, found 3 days ago
€398
Return
found 3 days ago
Select United flight, departing Thu, 6 Feb from Rapid City Regional to Harry Reid Intl., returning Sun, 9 Feb, priced at €398 found 3 days ago
United
Thu, 6 Feb - Sun, 9 Feb
RAP
Rapid City Regional
LAS
Harry Reid Intl.
€418 Return, found 3 days ago
€418
Return
found 3 days ago
Select United flight, departing Thu, 6 Feb from Rapid City Regional to Harry Reid Intl., returning Sun, 9 Feb, priced at €418 found 3 days ago
American Airlines
Thu, 6 Feb - Sun, 9 Feb
RAP
Rapid City Regional
LAS
Harry Reid Intl.
€422 Return, found 3 days ago
€422
Return
found 3 days ago
Select American Airlines flight, departing Thu, 6 Feb from Rapid City Regional to Harry Reid Intl., returning Sun, 9 Feb, priced at €422 found 3 days ago

Flights from Keystone: Essential Travel Information

Cheapest flight from Keystone
€307 (roundtrip)
Best airlines to fly from Keystone
United, Delta, American Airlines
Cheapest month to fly from Keystone
February
Keystone IATA code
RAP
Keystone Country/State
South Dakota
Airline ticket deals from Keystone
€307 - €422

 

*Available to Expedia members.