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$254+ Cheap flights from Keflavik Intl (KEF) to Las Vegas (LAS)

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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — LAS
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Keflavik Intl to Las Vegas

Discover tips and strategies to find the most affordable flight options for your journey from Keflavik Intl (KEF) to Las Vegas (LAS). 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 September 15, 2025.

Round-trip from

$435
(oojo)

One-way from

$254
(Kiwi.com)
From Reykjavik Keflavik Intl to Las Vegas Harry Reid Intl
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One-way flight from Reykjavik Keflavik Intl to Las Vegas Harry Reid Intl
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Find flight deals from Keflavik Intl to Las Vegas

Cheapest flights from Keflavik Intl to Las Vegas
Explore the most affordable flight options available from Keflavik Intl to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This oojo deal was found by Cheapflights users on 9/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/49:35 amKEF - LAS
1 stop18h 54mWestJet
Wed 10/88:00 amLAS - KEF
1 stop17h 15mWestJet
Deal found 9/14$435
This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/49:35 amKEF - LAS
1 stop18h 54mMultiple Airlines
Wed 10/87:25 amLAS - KEF
3 stops17h 50mMultiple Airlines
Deal found 9/14$536
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/133:05 pmKEF - LAS
1 stop26h 24mMultiple Airlines
Tue 9/1612:59 amLAS - KEF
2 stops20h 56mMultiple Airlines
Deal found 9/13$861
This Delta deal was found by Cheapflights users on 9/13. 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.
Sat 9/1311:25 amKEF - LAS
2 stops17h 54mDelta
Wed 9/179:49 amLAS - KEF
2 stops16h 41mDelta
Deal found 9/13$1,175
This oojo deal was found by Cheapflights users on 9/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/312:25 amKEF - LAS
2 stops27h 02mLufthansa
Wed 10/86:27 pmLAS - KEF
2 stops22h 43mLufthansa
Deal found 9/14$1,277

Cheapflights Fare Finder

 
Customize your flight search to find flights from Keflavik Intl to Las Vegas 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 September 15, 2025.
Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to Las Vegas that are best for you.

Fly from

Keflavik Intl

Fly to

Las Vegas

Route

Depart

Return

Price

ReykjavikLas Vegas

KEF - LAS

KEFLAS

Reykjavik Keflavik Intl

Sat 10/4

9:35 am-8:21 pm

2 stops17h 46m

Las Vegas Harry Reid Intl

Wed 10/8

8:00 am-8:15 am

1 stop17h 15m

$527

ReykjavikLas Vegas

KEF - LAS

KEFLAS

Reykjavik Keflavik Intl

Sat 10/4

9:35 am-9:29 pm

1 stop18h 54m

Las Vegas Harry Reid Intl

Wed 10/8

7:25 am-8:15 am

3 stops17h 50m

$536

ReykjavikLas Vegas

KEF - LAS

KEFLAS

Reykjavik Keflavik Intl

Fri 10/3

12:25 am-8:27 pm

2 stops27h 02m

Las Vegas Harry Reid Intl

Wed 10/8

6:27 pm-12:10 am

2 stops22h 43m

$1,277

ReykjavikLas Vegas

KEF - LAS

KEFLAS

Reykjavik Keflavik Intl

Sat 10/4

10:00 am-10:07 am

2 stops31h 07m

Las Vegas Harry Reid Intl

Wed 10/8

10:05 pm-9:40 am

1 stop28h 35m

$1,290

ReykjavikLas Vegas

KEF - LAS

KEFLAS

Reykjavik Keflavik Intl

Sat 10/4

11:25 am-10:20 pm

1 stop17h 55m

Las Vegas Harry Reid Intl

Wed 10/8

3:15 pm-6:20 am

1 stop32h 05m

$1,731

ReykjavikLas Vegas

KEF - LAS

KEFLAS

Reykjavik Keflavik Intl

Sat 10/4

7:40 am-10:20 pm

2 stops21h 40m

Las Vegas Harry Reid Intl

Wed 10/8

9:17 am-4:20 pm

3 stops24h 03m

$1,891

ReykjavikLas Vegas

KEF - LAS

KEFLAS

Reykjavik Keflavik Intl

Tue 10/7

9:35 am-9:29 pm

1 stop18h 54m

$254

ReykjavikLas Vegas

KEF - LAS

KEFLAS

Reykjavik Keflavik Intl

Tue 10/7

9:35 am-10:41 am

2 stops32h 06m

$284

ReykjavikLas Vegas

KEF - LAS

KEFLAS

Reykjavik Keflavik Intl

Mon 10/6

3:05 pm-10:41 am

2 stops26h 36m

$302

ReykjavikLas Vegas

KEF - LAS

KEFLAS

Reykjavik Keflavik Intl

Sun 10/5

3:05 pm-10:05 am

1 stop26h 00m

$388

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 11 results
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Best time to book a flight from Keflavik Intl to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Keflavik Intl 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 Keflavik Intl to Las Vegas. 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 into for flights to Las Vegas from Reykjavik Keflavik Intl?

    Las Vegas Harry Reid Intl (LAS), located 6.2 mi from the city center, is the airport you fly into when you book flights from Reykjavik Keflavik Intl to Las Vegas. 0 airlines have flights to Harry Reid Intl from Reykjavik Keflavik Intl on a regular basis. Booking flights from Reykjavik Keflavik Intl to Las Vegas Harry Reid Intl should not be difficult; the airport handles an average of 0 inbound flights from Reykjavik Keflavik Intl per day.

  • How long is the flight from Reykjavik Keflavik Intl Airport to Las Vegas?

    For as low as $527, WestJet can have you in Las Vegas from Reykjavik Keflavik Intl Airport in 17h 46m. Reykjavik Keflavik Intl Airport and Las Vegas are separated by a distance of 4080 mi.

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

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

  • How can I find direct flights from Keflavik Intl to Las Vegas?

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

  • Can I find deals for business class flights from Keflavik Intl to Las Vegas?

    Yes. Cheapflights offers flight deals from Keflavik Intl to Las Vegas 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 Reykjavik Keflavik Intl Airport to Las Vegas?

    Currently, August is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to Las Vegas (average of $198). Flying from Reykjavik Keflavik Intl Airport to Las Vegas in March is currently the most expensive (average of $269). 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

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