$245 Cheap Flights from Reykjavik (KEF) to Las Vegas (LAS)

View $245 flight on Sat, Oct 4, 2025Opens in a new window

Popular airlines from Reykjavik–Keflavik Intl. Airport (KEF) to Harry Reid Intl. Airport (LAS)

Cheap Flights from Reykjavik to Las Vegas (KEF-LAS)

Prices were available within the past 7 days and start at $245 for one-way flights and $530 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

WestJet
Mon, Oct 6 - Sat, Oct 11
KEF
Reykjavik
LAS
Las Vegas
$530 Roundtrip, found 6 days ago
$530
Roundtrip
found 6 days ago
Select WestJet flight, departing Mon, Oct 6 from Reykjavik to Las Vegas, returning Sat, Oct 11, priced at $530 found 6 days ago
WestJet
Mon, Oct 6 - Sat, Oct 11
KEF
Reykjavik
LAS
Las Vegas
$646 Roundtrip, found 6 days ago
$646
Roundtrip
found 6 days ago
Select WestJet flight, departing Mon, Oct 6 from Reykjavik to Las Vegas, returning Sat, Oct 11, priced at $646 found 6 days ago
WestJet
Mon, Oct 6 - Sat, Oct 11
KEF
Reykjavik
LAS
Las Vegas
$809 Roundtrip, found 6 days ago
$809
Roundtrip
found 6 days ago
Select WestJet flight, departing Mon, Oct 6 from Reykjavik to Las Vegas, returning Sat, Oct 11, priced at $809 found 6 days ago
Icelandair
Mon, Nov 3 - Thu, Nov 6
KEF
Reykjavik
LAS
Las Vegas
$842 Roundtrip, found 5 days ago
$842
Roundtrip
found 5 days ago
Select Icelandair flight, departing Mon, Nov 3 from Reykjavik to Las Vegas, returning Thu, Nov 6, priced at $842 found 5 days ago
Icelandair
Tue, Dec 2 - Sun, Dec 7
KEF
Reykjavik
LAS
Las Vegas
$848 Roundtrip, found 1 day ago
$848
Roundtrip
found 1 day ago
Select Icelandair flight, departing Tue, Dec 2 from Reykjavik to Las Vegas, returning Sun, Dec 7, priced at $848 found 1 day ago
Air Canada
Sun, Sep 14 - Tue, Sep 30
KEF
Reykjavik
LAS
Las Vegas
$850 Roundtrip, found 2 days ago
$850
Roundtrip
found 2 days ago
Select Air Canada flight, departing Sun, Sep 14 from Reykjavik to Las Vegas, returning Tue, Sep 30, priced at $850 found 2 days ago
Icelandair
Tue, Dec 2 - Sun, Dec 7
KEF
Reykjavik
LAS
Las Vegas
$855 Roundtrip, found 1 day ago
$855
Roundtrip
found 1 day ago
Select Icelandair flight, departing Tue, Dec 2 from Reykjavik to Las Vegas, returning Sun, Dec 7, priced at $855 found 1 day ago
Air Canada
Sun, Sep 14 - Tue, Sep 30
KEF
Reykjavik
LAS
Las Vegas
$856 Roundtrip, found 2 days ago
$856
Roundtrip
found 2 days ago
Select Air Canada flight, departing Sun, Sep 14 from Reykjavik to Las Vegas, returning Tue, Sep 30, priced at $856 found 2 days ago
United
Sun, Sep 14 - Sun, Sep 21
KEF
Reykjavik
LAS
Las Vegas
$902 Roundtrip, found 2 days ago
$902
Roundtrip
found 2 days ago
Select United flight, departing Sun, Sep 14 from Reykjavik to Las Vegas, returning Sun, Sep 21, priced at $902 found 2 days ago
Delta
Thu, Sep 11 - Sun, Sep 14
KEF
Reykjavik
LAS
Las Vegas
$910 Roundtrip, found 6 days ago
$910
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Sep 11 from Reykjavik to Las Vegas, returning Sun, Sep 14, priced at $910 found 6 days ago

Find the cheapest month to fly from Reykjavik (KEF) to Las Vegas (LAS)

June is typically the cheapest month to fly

From $467 - $1,203 per traveler.

Graph displaying average flight prices per month

Alternative airports near Las Vegas

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to McCarran Intl. LAS. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $894
LAS
McCarran Intl.
CheapestClosest
Average driving time to city center6 min
Flights from $894
Flights from Reykjavik (KEF) to Las Vegas (LAS)
Origin airport
Keflavik Intl.
Destination airport
Harry Reid Intl.
Roundtrip price
$530
Distance
4082 mi

Reykjavik to Las Vegas Flights

The cheapest times to fly from Reykjavik to Las Vegas

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Reykjavik to Las Vegas are during the month of October. You can find some of the cheapest flights from Reykjavik to Las Vegas with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Reykjavik to Las Vegas

Sunday is one of the best days to book for cheap flights from Reykjavik to Las Vegas: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Reykjavik to Las Vegas

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Reykjavik to Las Vegas in 2025. You can also book with separate airlines for your outbound and return journeys, from $245 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Reykjavik to Las Vegas flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Reykjavik to Las Vegas airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Keflavik Intl. Airport (KEF) to Harry Reid Intl. Airport (LAS) cost?
Lock in a cheap one-way flight from $245 or cheap return flight from $530 from Keflavik Intl. Airport (KEF) to Harry Reid Intl. Airport (LAS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Keflavik Intl. Airport (KEF) to Harry Reid Intl. Airport (LAS)?
The cheapest month to fly from KEF to LAS is October, when demand is low. Off-peak months are generally when better flight deals are available between these airports.
What is the cheapest airline that flies from Keflavik Intl. Airport (KEF) to Harry Reid Intl. Airport (LAS)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest KEF to LAS flight.
How many flights per day from Keflavik Intl. Airport (KEF) to Harry Reid Intl. Airport (LAS)?
Nonstop flights from Keflavik Intl. Airport (KEF) to Harry Reid Intl. Airport (LAS) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from KEF to LAS?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Keflavik Intl. Airport (KEF) to Harry Reid Intl. Airport (LAS)?
To avoid possible delays on the Keflavik Intl. Airport (KEF) to Harry Reid Intl. Airport (LAS) route, aim to travel before 3 PM. Later flights are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Keflavik Intl. Airport (KEF) to Harry Reid Intl. Airport (LAS) last-minute?
Booking your ticket from KEF to LAS shortly before your getaway is usually more expensive. However, if there's some wiggle room with your travel times and dates, you could land a cheap last-minute fare.
Is it cheaper to book a KEF to LAS flight and hotel package?
Booking a KEF to LAS flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Choose from our extensive range of hotels and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Keflavik Intl. Airport (KEF) to Harry Reid Intl. Airport (LAS)?
Usually, it's possible to reschedule or cancel your KEF to LAS flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.