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Keflavik Intl

$249+ Cheap flights from Rapid City (RAP) to Keflavik Intl (KEF)

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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — KEF
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheap flight deals from Rapid City to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Rapid City (RAP) to Keflavik Intl (KEF). 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 August 18, 2025.

Round-trip from

$719
(United Airlines)

One-way from

$249
(Kiwi.com)
From Rapid City to Reykjavik Keflavik Intl
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One-way flight from Rapid City to Reykjavik Keflavik Intl
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Find flight deals from Rapid City to Keflavik Intl

Cheapest flights from Rapid City to Keflavik Intl
Explore the most affordable flight options available from Rapid City to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

This United Airlines deal was found by Cheapflights users on 8/15. 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.
Fri 9/58:32 amRAP - KEF
2 stops16h 28mUnited Airlines
Tue 9/99:50 amKEF - RAP
3 stops42h 09mUnited Airlines
Deal found 8/15$719
This Delta deal was found by Cheapflights users on 8/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/54:25 pmRAP - KEF
1 stop8h 35mDelta
Tue 9/98:45 amKEF - RAP
2 stops19h 47mDelta
Deal found 8/17$1,185
This United Airlines deal was found by Cheapflights users on 8/16. 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.
Wed 8/2010:15 amRAP - KEF
2 stops16h 15mUnited Airlines
Fri 8/229:30 amKEF - RAP
2 stops36h 32mUnited Airlines
Deal found 8/16$1,983
This KLM deal was found by Cheapflights users on 8/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2010:55 amRAP - KEF
1 stop14h 05mKLM
Fri 8/229:30 amKEF - RAP
1 stop12h 15mKLM
Deal found 8/16$2,002
This United deal was found by Cheapflights users on 8/16. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/201:35 pmRAP - KEF
1 stop12h 55mMultiple Airlines
Fri 8/229:30 amKEF - RAP
2 stops30h 52mMultiple Airlines
Deal found 8/16$2,434

Cheapflights Fare Finder

 
Customize your flight search to find flights from Rapid City to Keflavik Intl 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 August 18, 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

Rapid City

Fly to

Keflavik Intl

Route

Depart

Return

Price

Rapid CityReykjavik

RAP - KEF

RAPKEF

Rapid City

Fri 9/5

8:32 am-7:00 am

2 stops16h 28m

Reykjavik Keflavik Intl

Tue 9/9

9:50 am-9:59 pm

2 stops42h 09m

$719

Rapid CityReykjavik

RAP - KEF

RAPKEF

Rapid City

Fri 9/5

6:25 am-7:00 am

1 stop18h 35m

Reykjavik Keflavik Intl

Tue 9/9

8:45 am-10:32 pm

2 stops19h 47m

$1,185

Rapid CityReykjavik

RAP - KEF

RAPKEF

Rapid City

Sat 8/30

12:50 pm-4:45 am

2 stops33h 55m

$249

Rapid CityReykjavik

RAP - KEF

RAPKEF

Rapid City

Wed 9/3

7:09 pm-4:45 am

3 stops51h 36m

$290

Rapid CityReykjavik

RAP - KEF

RAPKEF

Rapid City

Thu 9/4

5:39 pm-4:45 am

3 stops29h 06m

$302

Rapid CityReykjavik

RAP - KEF

RAPKEF

Rapid City

Fri 9/5

1:02 pm-4:55 am

3 stops57h 53m

$310

Rapid CityReykjavik

RAP - KEF

RAPKEF

Rapid City

Sat 8/23

12:50 pm-4:45 am

3 stops57h 55m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Best time to book a flight from Rapid City to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl 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.

Related info for your journey

Find useful and relevant information for your journey from Rapid City to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Rapid City to Reykjavik Keflavik Intl?

    Most people fly from Rapid City (RAP) if they book a flight from Rapid City to Reykjavik Keflavik Intl. On average, Rapid City has 0 outbound flights to Reykjavik Keflavik Intl per day from 0 airlines. Rapid City is conveniently located just 9.0 mi from Rapid City’s city center.

  • Can I find deals for flights from Rapid City to Keflavik Intl that include hotel bookings?

    Yes. In addition to deals on Rapid City to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Rapid City to Keflavik Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rapid City to Keflavik Intl.

  • Can I find deals for business class flights from Rapid City to Keflavik Intl?

    Yes. Cheapflights offers flight deals from Rapid City to Keflavik Intl 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 Reykjavik Keflavik Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Rapid City to Reykjavik Keflavik Intl Airport (average of $328). Flying from Rapid City to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $655). 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 Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Keflavik
Hveragerdi

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