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Cheap flights from Rapid City to Reykjavik from $619

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 9/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

United Airlines Logo
1:35 pm - 8:30 amRAP-KEF
12h 55m1 stop
United Airlines Logo
9:50 am - 9:59 pmKEF-RAP
42h 09m2 stops
$619United Airlines
Find Deal
Mon, Sep 15 - Mon, Sep 22
United Airlines Logo
1:35 pm - 8:30 amRAP-KEF
12h 55m1 stop
United Airlines Logo
9:50 am - 9:59 pmKEF-RAP
42h 09m3 stops
$623United Airlines
Find Deal
Fri, Sep 5 - Tue, Sep 9
United Airlines Logo
11:18 am - 8:30 amRAP-KEF
15h 12m2 stops
United Airlines Logo
9:50 am - 9:59 pmKEF-RAP
42h 09m3 stops
$627United Airlines
Find Deal
Fri, Sep 5 - Tue, Sep 9
United Airlines Logo
11:18 am - 7:00 amRAP-KEF
13h 42m2 stops
United Airlines Logo
9:50 am - 9:59 pmKEF-RAP
18h 09m3 stops
$642United Airlines
Find Deal
Mon, Sep 15 - Mon, Sep 22
United Airlines Logo
1:35 pm - 8:30 amRAP-KEF
12h 55m1 stop
United Airlines Logo
12:00 pm - 10:22 amKEF-RAP
28h 22m1 stop
$645United Airlines
Find Deal
Fri, Sep 5 - Tue, Sep 9
United Airlines Logo
1:35 pm - 8:30 amRAP-KEF
12h 55m1 stop
United Airlines Logo
9:50 am - 9:59 pmKEF-RAP
42h 09m3 stops
$759United Airlines
Find Deal
Fri, Sep 5 - Tue, Sep 9
United Airlines Logo
7:00 am - 7:00 amRAP-KEF
18h 00m2 stops
United Airlines Logo
9:50 am - 9:59 pmKEF-RAP
42h 09m3 stops
$764United Airlines
Find Deal
Fri, Sep 5 - Tue, Sep 9

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 15
RAP1:35 pmRapid City
12h 55m
1 stop
KEF8:30 amReykjavik Keflavik Intl
Sep 22
KEF9:50 amReykjavik Keflavik Intl
42h 09m
2 stops
RAP9:59 pmRapid City
$619
Find similar
United Airlines
Sep 5
RAP1:35 pmRapid City
12h 55m
1 stop
KEF8:30 amReykjavik Keflavik Intl
Sep 9
KEF9:50 amReykjavik Keflavik Intl
42h 09m
3 stops
RAP9:59 pmRapid City
$623
Find similar
United Airlines
Sep 5
RAP11:18 amRapid City
15h 12m
2 stops
KEF8:30 amReykjavik Keflavik Intl
Sep 9
KEF9:50 amReykjavik Keflavik Intl
42h 09m
3 stops
RAP9:59 pmRapid City
$627
Find similar

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 August 2, 2025.
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

Rapid CityReykjavik

RAP - KEF

RAPKEF

Rapid City

Mon 9/15

1:35 pm-8:30 am

1 stop12h 55m

Reykjavik Keflavik Intl

Mon 9/22

9:50 am-9:59 pm

2 stops42h 09m

$619

Rapid CityReykjavik

RAP - KEF

RAPKEF

Rapid City

Fri 9/5

1:35 pm-8:30 am

1 stop12h 55m

Reykjavik Keflavik Intl

Tue 9/9

9:50 am-9:59 pm

3 stops42h 09m

$623

Rapid CityReykjavik

RAP - KEF

RAPKEF

Rapid City

Fri 9/5

11:18 am-8:30 am

2 stops15h 12m

Reykjavik Keflavik Intl

Tue 9/9

9:50 am-9:59 pm

3 stops42h 09m

$627

Rapid CityReykjavik

RAP - KEF

RAPKEF

Rapid City

Mon 9/15

11:18 am-7:00 am

2 stops13h 42m

Reykjavik Keflavik Intl

Mon 9/22

9:50 am-9:59 pm

3 stops18h 09m

$642

Rapid CityReykjavik

RAP - KEF

RAPKEF

Rapid City

Fri 9/5

1:35 pm-8:30 am

1 stop12h 55m

Reykjavik Keflavik Intl

Tue 9/9

12:00 pm-10:22 am

1 stop28h 22m

$645

Rapid CityReykjavik

RAP - KEF

RAPKEF

Rapid City

Fri 9/5

1:35 pm-8:30 am

1 stop12h 55m

Reykjavik Keflavik Intl

Tue 9/9

9:50 am-9:59 pm

3 stops42h 09m

$759

Rapid CityReykjavik

RAP - KEF

RAPKEF

Rapid City

Fri 9/5

7:00 am-7:00 am

2 stops18h 00m

Reykjavik Keflavik Intl

Tue 9/9

9:50 am-9:59 pm

3 stops42h 09m

$764

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Reykjavik from

How to get the cheapest flight ticket from Rapid City to Reykjavik Keflavik Intl Airport

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

What is the cheapest time of day to depart on your flight to Reykjavik Keflavik Intl Airport?

The cheapest time of day to fly to Reykjavik Keflavik Intl Airport is in the afternoon when flights can be purchased for as low as $1,269. Flights in the morning are often more expensive with an average ticket price of $1,461.

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

Best Price Found

$619

Fastest flight time

12h 55m

Direct flights

None
The best flight deal from Rapid City to Reykjavik Keflavik Intl Airport found on momondo in the last 72 hours is $619
The fastest flight from Rapid City to Reykjavik Keflavik Intl Airport takes 12h 55m
There are no direct flights from Rapid City to Reykjavik Keflavik Intl Airport. Popular non-direct route for this connection is Rapid City Airport - Reykjavik Keflavik Intl Airport.
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  • 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 12h 55m.

  • 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.

Traveling to a place near Reykjavik?

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

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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