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Cheap flights from Rapid City to Reykjavik from $978

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Rapid City to Reykjavik departing on 9/14. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Rapid City to Reykjavik

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
1:31 pm - 8:50 am
RAP
-
KEF
13h 19m
1 stop
United Airlines Logo
10:00 am - 3:49 pm
KEF
-
RAP
35h 49m
2 stops
$978United Airlines
Mon, Sep 14 - Thu, Sep 24
United Airlines Logo
1:31 pm - 8:50 am
RAP
-
KEF
13h 19m
1 stop
United Airlines Logo
10:00 am - 10:15 am
KEF
-
RAP
30h 15m
3 stops
$991United Airlines
Mon, Sep 14 - Thu, Sep 24
United Airlines Logo
11:22 am - 7:00 am
RAP
-
KEF
37h 38m
2 stops
United Airlines Logo
10:00 am - 10:15 am
KEF
-
RAP
30h 15m
3 stops
$992United Airlines
Mon, Sep 14 - Thu, Sep 24
Multiple Airlines Logo
2:30 pm - 7:00 am
RAP
-
KEF
10h 30m
1 stop
Multiple Airlines Logo
9:30 am - 10:18 pm
KEF
-
RAP
18h 48m
1 stop
$993Multiple Airlines
Mon, Sep 14 - Thu, Sep 24
KLM Logo
10:42 am - 7:00 am
RAP
-
KEF
14h 18m
1 stop
KLM Logo
9:30 am - 1:50 pm
KEF
-
RAP
10h 20m
1 stop
$1,029KLM
Mon, Sep 14 - Thu, Sep 24
United Airlines Logo
5:00 am - 7:55 am
RAP
-
KEF
20h 55m
2 stops
United Airlines Logo
9:15 am - 10:26 am
KEF
-
RAP
31h 11m
2 stops
$1,036United Airlines
Fri, Aug 28 - Tue, Sep 1
United Airlines Logo
1:31 pm - 8:50 am
RAP
-
KEF
13h 19m
1 stop
United Airlines Logo
9:15 am - 10:26 am
KEF
-
RAP
31h 11m
2 stops
$1,043United Airlines
Fri, Aug 14 - Fri, Aug 21
United Airlines Logo
10:26 am - 8:50 am
RAP
-
KEF
16h 24m
2 stops
United Airlines Logo
9:15 am - 10:26 am
KEF
-
RAP
31h 11m
2 stops
$1,047United Airlines
Fri, Aug 14 - Fri, Aug 21
Delta Logo
6:48 am - 7:00 am
RAP
-
KEF
18h 12m
1 stop
Delta Logo
9:30 am - 10:37 pm
KEF
-
RAP
19h 07m
1 stop
$1,279Delta
Fri, Aug 14 - Fri, Aug 21

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United Airlines flights from Rapid City to Reykjavik Keflavik Intl Airport

Our best United Airlines deals on Rapid City to Reykjavik Keflavik Intl Airport flight tickets
United Airlines
Sep 14
RAP1:31 pmRapid City
13h 19m
1 stop
KEF8:50 amReykjavik Keflavik Intl
Sep 24
KEF10:00 amReykjavik Keflavik Intl
35h 49m
2 stops
RAP3:49 pmRapid City
$978
United Airlines
Sep 14
RAP1:31 pmRapid City
13h 19m
1 stop
KEF8:50 amReykjavik Keflavik Intl
Sep 24
KEF10:00 amReykjavik Keflavik Intl
30h 15m
3 stops
RAP10:15 amRapid City
$991
United Airlines
Sep 14
RAP11:22 amRapid City
37h 38m
2 stops
KEF7:00 amReykjavik Keflavik Intl
Sep 24
KEF10:00 amReykjavik Keflavik Intl
30h 15m
3 stops
RAP10:15 amRapid City
$992

momondo Fare Finder

 
Customize your flight search to find flights from Rapid City to Reykjavik Keflavik Intl Airport 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 July 2, 2026.
Use the filters below to find and compare flights from Rapid City to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Rapid CityReykjavik

RAP - KEF

RAPKEF

Rapid City

Mon 9/14

1:31 pm-8:50 am

1 stop13h 19m

Reykjavik Keflavik Intl

Thu 9/24

10:00 am-3:49 pm

2 stops35h 49m

$978

Rapid CityReykjavik

RAP - KEF

RAPKEF

Rapid City

Mon 9/14

1:31 pm-8:50 am

1 stop13h 19m

Reykjavik Keflavik Intl

Thu 9/24

10:00 am-10:15 am

3 stops30h 15m

$991

Rapid CityReykjavik

RAP - KEF

RAPKEF

Rapid City

Mon 9/14

11:22 am-7:00 am

2 stops37h 38m

Reykjavik Keflavik Intl

Thu 9/24

10:00 am-10:15 am

3 stops30h 15m

$992

Rapid CityReykjavik

RAP - KEF

RAPKEF

Rapid City

Mon 9/14

2:30 pm-7:00 am

1 stop10h 30m

Reykjavik Keflavik Intl

Thu 9/24

9:30 am-10:18 pm

1 stop18h 48m

$993
Quickest round-trip

Rapid CityReykjavik

RAP - KEF

RAPKEF

Rapid City

Mon 9/14

10:42 am-7:00 am

1 stop14h 18m

Reykjavik Keflavik Intl

Thu 9/24

9:30 am-1:50 pm

1 stop10h 20m

$1,029

Rapid CityReykjavik

RAP - KEF

RAPKEF

Rapid City

Fri 8/28

5:00 am-7:55 am

2 stops20h 55m

Reykjavik Keflavik Intl

Tue 9/1

9:15 am-10:26 am

2 stops31h 11m

$1,036

Rapid CityReykjavik

RAP - KEF

RAPKEF

Rapid City

Fri 8/14

1:31 pm-8:50 am

1 stop13h 19m

Reykjavik Keflavik Intl

Fri 8/21

9:15 am-10:26 am

2 stops31h 11m

$1,043

Rapid CityReykjavik

RAP - KEF

RAPKEF

Rapid City

Fri 8/14

10:26 am-8:50 am

2 stops16h 24m

Reykjavik Keflavik Intl

Fri 8/21

9:15 am-10:26 am

2 stops31h 11m

$1,047

Rapid CityReykjavik

RAP - KEF

RAPKEF

Rapid City

Fri 8/14

6:48 am-7:00 am

1 stop18h 12m

Reykjavik Keflavik Intl

Fri 8/21

9:30 am-10:37 pm

1 stop19h 07m

$1,279

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Rapid City to Reykjavik Keflavik Intl Airport

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

Cheap Rapid City to Reykjavik Keflavik Intl Airport (RAP to KEF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rapid City to Reykjavik Keflavik Intl Airport

Fastest flight time

13h 19m

Direct flights

None
The fastest flight from Rapid City to Reykjavik Keflavik Intl Airport takes 13h 19m
There are no direct flights from Rapid City to Reykjavik Keflavik Intl Airport. There are no popular flight routes from Rapid City to Reykjavik Keflavik Intl Airport.
Search flight deals

Frequently asked questions about flying from Rapid City to Reykjavik Keflavik Intl Airport

  • How far is Rapid City to Reykjavik Keflavik Intl by plane?

    There are 3274.7 mi between Rapid City and Reykjavik Keflavik Intl. A reasonable flight in good conditions will take 13h 19m.

  • When did momondo last update prices for flights from Rapid City Airport to Reykjavik Keflavik Intl Airport?

    Prices for flights from Rapid City Airport to Reykjavik Keflavik Intl Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Rapid City Airport to Reykjavik Keflavik Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Rapid City Airport to Reykjavik Keflavik Intl Airport.

  • What documentation or ID do you need to fly to Reykjavik Keflavik Intl Airport?

    The required travel and health documents for your Reykjavik Keflavik Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Reykjavik Keflavik Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Frequently asked questions about flying from Rapid City to Reykjavik Keflavik Intl Airport

  • How do I get Price Alerts for flights from Rapid City to Reykjavik Keflavik Intl Airport?

    Confirm your travel details to search for the latest offers for flights from Rapid City to Reykjavik Keflavik Intl Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Rapid City to Reykjavik Keflavik Intl Airport with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Traveling to a place near Reykjavik?

Book flights to Reykjavik if you plan to visit one of these locations
Keflavik
Selfoss
Hella
Hveragerdi
Borgarnes
Grindavik
Kopavogur

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Rapid City to Reykjavik for you.

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

momondo does allow users to show only those flights to Reykjavik from Rapid City which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Reykjavik from Rapid City. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Rapid City to Reykjavik flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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