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Cheap flights from Reykjavik Keflavik Intl Airport to Las Vegas from $636

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Reykjavik Keflavik Intl Airport to Las Vegas departing on 12/8. 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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Find the cheapest flights from Reykjavik Keflavik Intl Airport to Las Vegas

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:55 pm - 7:37 amKEF-LAS
22h 42m2 stops
Multiple Airlines Logo
12:59 am - 6:05 amLAS-KEF
21h 06m1 stop
$636Multiple Airlines
Find Deal
Mon, Dec 8 - Mon, Dec 15
Icelandair Logo
5:00 pm - 12:25 amKEF-LAS
15h 25m1 stop
Icelandair Logo
10:30 am - 6:05 amLAS-KEF
11h 35m1 stop
$884Icelandair
Find Deal
Mon, Dec 8 - Tue, Dec 16
Multiple Airlines Logo
5:00 pm - 12:37 amKEF-LAS
15h 37m1 stop
Multiple Airlines Logo
7:02 pm - 6:35 amLAS-KEF
27h 33m1 stop
$900Multiple Airlines
Find Deal
Sat, Dec 13 - Sat, Dec 20
Delta Logo
11:25 am - 10:05 pmKEF-LAS
17h 40m1 stop
Delta Logo
7:30 pm - 9:30 amLAS-KEF
31h 00m2 stops
$1,023Delta
Find Deal
Wed, Apr 1 - Sun, Apr 5
Delta Logo
11:25 am - 9:00 amKEF-LAS
28h 35m2 stops
Delta Logo
11:30 pm - 9:30 amLAS-KEF
27h 00m2 stops
$1,101Delta
Find Deal
Wed, Apr 1 - Sun, Apr 5
Delta Logo
11:25 am - 7:43 pmKEF-LAS
15h 18m1 stop
Delta Logo
11:36 pm - 9:30 amLAS-KEF
26h 54m1 stop
$1,109Delta
Find Deal
Wed, Apr 1 - Sun, Apr 5
American Airlines Logo
11:50 am - 6:50 pmKEF-LAS
15h 00m1 stop
American Airlines Logo
7:00 am - 10:45 amLAS-KEF
43h 45m2 stops
$1,146American Airlines
Find Deal
Mon, Dec 8 - Tue, Dec 16
American Airlines Logo
11:50 am - 9:13 pmKEF-LAS
41h 23m2 stops
American Airlines Logo
1:31 pm - 10:45 amLAS-KEF
37h 14m2 stops
$1,174American Airlines
Find Deal
Mon, Dec 8 - Tue, Dec 16
Austrian Airlines Logo
12:10 am - 7:48 pmKEF-LAS
26h 38m2 stops
Austrian Airlines Logo
5:20 pm - 11:20 pmLAS-KEF
47h 00m2 stops
$1,299Austrian Airlines
Find Deal
Tue, Mar 31 - Sun, Apr 5
Austrian Airlines Logo
12:10 am - 7:48 pmKEF-LAS
26h 38m2 stops
Austrian Airlines Logo
5:20 pm - 11:20 pmLAS-KEF
47h 00m2 stops
$1,302Austrian Airlines
Find Deal
Tue, Mar 31 - Sun, Apr 5

Austrian Airlines flights from Reykjavik Keflavik Intl Airport to Las Vegas

Our best Austrian Airlines deals on Reykjavik Keflavik Intl Airport to Las Vegas flight tickets
Austrian Airlines
Mar 31
KEF12:10 amReykjavik Keflavik Intl
26h 38m
2 stops
LAS7:48 pmLas Vegas Harry Reid Intl
Apr 5
LAS5:20 pmLas Vegas Harry Reid Intl
47h 00m
2 stops
KEF11:20 pmReykjavik Keflavik Intl
$1,299
Find similar
Austrian Airlines
Mar 31
KEF12:10 amReykjavik Keflavik Intl
26h 38m
2 stops
LAS7:48 pmLas Vegas Harry Reid Intl
Apr 5
LAS5:20 pmLas Vegas Harry Reid Intl
47h 00m
2 stops
KEF11:20 pmReykjavik Keflavik Intl
$1,302
Find similar

Delta flights from Reykjavik Keflavik Intl Airport to Las Vegas

Our best Delta deals on Reykjavik Keflavik Intl Airport to Las Vegas flight tickets
Delta
Apr 1
KEF11:25 amReykjavik Keflavik Intl
17h 40m
1 stop
LAS10:05 pmLas Vegas Harry Reid Intl
Apr 5
LAS7:30 pmLas Vegas Harry Reid Intl
31h 00m
2 stops
KEF9:30 amReykjavik Keflavik Intl
$1,023
Find similar
Delta
Apr 1
KEF11:25 amReykjavik Keflavik Intl
28h 35m
2 stops
LAS9:00 amLas Vegas Harry Reid Intl
Apr 5
LAS11:30 pmLas Vegas Harry Reid Intl
27h 00m
2 stops
KEF9:30 amReykjavik Keflavik Intl
$1,101
Find similar
Delta
Apr 1
KEF11:25 amReykjavik Keflavik Intl
15h 18m
1 stop
LAS7:43 pmLas Vegas Harry Reid Intl
Apr 5
LAS11:36 pmLas Vegas Harry Reid Intl
26h 54m
1 stop
KEF9:30 amReykjavik Keflavik Intl
$1,109
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Reykjavik Keflavik Intl Airport 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, momondo users made 832,500 searches. Data last updated October 30, 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

Fly to

Route

Depart

Return

Price

ReykjavikLas Vegas

KEF - LAS

KEFLAS

Reykjavik Keflavik Intl

Mon 12/8

4:55 pm-7:37 am

2 stops22h 42m

Las Vegas Harry Reid Intl

Mon 12/15

12:59 am-6:05 am

1 stop21h 06m

$636

ReykjavikLas Vegas

KEF - LAS

KEFLAS

Reykjavik Keflavik Intl

Mon 12/8

5:00 pm-12:25 am

1 stop15h 25m

Las Vegas Harry Reid Intl

Tue 12/16

10:30 am-6:05 am

1 stop11h 35m

$884

ReykjavikLas Vegas

KEF - LAS

KEFLAS

Reykjavik Keflavik Intl

Sat 12/13

5:00 pm-12:37 am

1 stop15h 37m

Las Vegas Harry Reid Intl

Sat 12/20

7:02 pm-6:35 am

1 stop27h 33m

$900

ReykjavikLas Vegas

KEF - LAS

KEFLAS

Reykjavik Keflavik Intl

Wed 4/1

11:25 am-10:05 pm

1 stop17h 40m

Las Vegas Harry Reid Intl

Sun 4/5

7:30 pm-9:30 am

2 stops31h 00m

$1,023

ReykjavikLas Vegas

KEF - LAS

KEFLAS

Reykjavik Keflavik Intl

Wed 4/1

11:25 am-9:00 am

2 stops28h 35m

Las Vegas Harry Reid Intl

Sun 4/5

11:30 pm-9:30 am

2 stops27h 00m

$1,101

ReykjavikLas Vegas

KEF - LAS

KEFLAS

Reykjavik Keflavik Intl

Wed 4/1

11:25 am-7:43 pm

1 stop15h 18m

Las Vegas Harry Reid Intl

Sun 4/5

11:36 pm-9:30 am

1 stop26h 54m

$1,109

ReykjavikLas Vegas

KEF - LAS

KEFLAS

Reykjavik Keflavik Intl

Mon 12/8

11:50 am-6:50 pm

1 stop15h 00m

Las Vegas Harry Reid Intl

Tue 12/16

7:00 am-10:45 am

2 stops43h 45m

$1,146

ReykjavikLas Vegas

KEF - LAS

KEFLAS

Reykjavik Keflavik Intl

Mon 12/8

11:50 am-9:13 pm

2 stops41h 23m

Las Vegas Harry Reid Intl

Tue 12/16

1:31 pm-10:45 am

2 stops37h 14m

$1,174

ReykjavikLas Vegas

KEF - LAS

KEFLAS

Reykjavik Keflavik Intl

Tue 3/31

12:10 am-7:48 pm

2 stops26h 38m

Las Vegas Harry Reid Intl

Sun 4/5

5:20 pm-11:20 pm

2 stops47h 00m

$1,299

ReykjavikLas Vegas

KEF - LAS

KEFLAS

Reykjavik Keflavik Intl

Tue 3/31

12:10 am-7:48 pm

2 stops26h 38m

Las Vegas Harry Reid Intl

Sun 4/5

5:20 pm-11:20 pm

2 stops47h 00m

$1,302

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Las Vegas from

How to get the cheapest flight ticket from Reykjavik Keflavik Intl Airport to Las Vegas

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 day to depart on your flight to Las Vegas?

Our data shows that Wednesday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $791. Flights from Reykjavik Keflavik Intl Airport to Las Vegas on a Monday will generally be more expensive and average around $989. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Las Vegas?

The cheapest time of day to fly to Las Vegas is in the morning when flights can be purchased for as low as $904. Flights to Las Vegas are more costly in the afternoon, with an average ticket price of $1,016. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Reykjavik Keflavik Intl Airport to Las Vegas flights?

You could potentially save up to 37% on your flight if you consider stops on a Reykjavik Keflavik Intl Airport to Las Vegas flight.

When to book flights from Reykjavik Keflavik Intl Airport to Las Vegas

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

Cheap Reykjavik Keflavik Intl Airport to Las Vegas (KEF to LAS) flight deals and tips

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

Direct flights

None
There are no direct flights from Reykjavik Keflavik Intl Airport to Las Vegas. There are no popular flight routes from Reykjavik Keflavik Intl Airport to Las Vegas.
Search flight deals

  • How far is Reykjavik Keflavik Intl to Las Vegas Harry Reid Intl by plane?

    Reykjavik Keflavik Intl and Las Vegas Harry Reid Intl are 4074.7 mi apart from one another. Typically, this will take 11h 50m by plane in normal conditions.

  • When did momondo last update prices for flights from Reykjavik Keflavik Intl Airport to Las Vegas Harry Reid Intl Airport?

    Prices for flights from Reykjavik Keflavik Intl Airport to Las Vegas Harry Reid Intl Airport refresh daily.

  • How old do you have to be to fly from Reykjavik Keflavik Intl Airport to Las Vegas Harry Reid Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Reykjavik Keflavik Intl Airport to Las Vegas Harry Reid Intl Airport.

  • What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

    The required travel and health documents for your Las Vegas Harry Reid 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 Las Vegas Harry Reid Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Laughlin
Mount Charleston
Henderson
Mesquite
Paradise
North Las Vegas
Kingman
Pahrump
Primm
Furnace Creek
Boulder City
Sunrise Manor
Winchester
Needles

Why use momondo?

Why should I use momondo to find a flight deal from Reykjavik to Las Vegas?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Las Vegas from Reykjavik.

Can I find flights from Reykjavik to Las Vegas with flexible booking policies on momondo?

All flight searches from Reykjavik to Las Vegas on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Reykjavik to Las Vegas?

Once all potential Reykjavik to Las Vegas flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Reykjavik to Las Vegas flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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