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Keflavik Intl

$337+ Cheap flights from Riverside, CA 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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — KEF
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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Cheap flight deals from Riverside to Keflavik Intl

Cheapest flights from Riverside to Keflavik Intl
Explore the most affordable flight options available from Riverside to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2026.

This Delta deal was found by Cheapflights users on 1/27. 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.
Tue 4/147:00 am
LAX
-
KEF
1 stop19h 30m
Delta
Wed 4/2211:25 am
KEF
-
LAX
1 stop19h 02m
Delta
Deal found 1/27$490
This American Airlines deal was found by Cheapflights users on 1/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/68:25 pm
LAX
-
KEF
1 stop30h 35m
American Airlines
Wed 4/1511:00 am
KEF
-
LAX
1 stop31h 30m
American Airlines
Deal found 1/26$491
This Air France deal was found by Cheapflights users on 1/27. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1411:00 am
LAX
-
KEF
2 stops15h 30m
Multiple Airlines
Wed 4/2211:25 am
KEF
-
LAX
1 stop19h 00m
Multiple Airlines
Deal found 1/27$495
This Finnair deal was found by Cheapflights users on 1/27. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/276:05 pm
LAX
-
KEF
2 stops30h 45m
Finnair
Fri 5/88:35 am
KEF
-
LAX
1 stop15h 35m
Finnair
Deal found 1/27$504
This Delta deal was found by Cheapflights users on 1/26. 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.
Mon 4/271:00 pm
LAX
-
KEF
1 stop13h 30m
Delta
Tue 5/511:25 am
KEF
-
LAX
1 stop13h 59m
Delta
Deal found 1/26$505
This Finnair deal was found by Cheapflights users on 1/27. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/149:00 am
LAX
-
KEF
2 stops24h 30m
Finnair
Wed 4/228:35 am
KEF
-
LAX
2 stops20h 17m
Finnair
Deal found 1/27$507
This Delta deal was found by Cheapflights users on 1/26. 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 4/2511:59 pm
LAX
-
KEF
2 stops26h 31m
Delta
Wed 5/611:25 am
KEF
-
LAX
1 stop15h 26m
Delta
Deal found 1/26$509
This Virgin Atlantic deal was found by Cheapflights users on 1/27. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/277:05 am
LAX
-
KEF
2 stops19h 25m
Virgin Atlantic
Fri 5/88:50 am
KEF
-
LAX
2 stops19h 13m
Virgin Atlantic
Deal found 1/27$510
This KAYAK deal was found by Cheapflights users on 1/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/213:05 pm
LAX
-
KEF
1 stop25h 20m
Lufthansa
Thu 4/301:10 am
KEF
-
LAX
1 stop21h 05m
Lufthansa
Deal found 1/26$529
This KLM deal was found by Cheapflights users on 1/26. 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.
Mon 4/137:00 am
LAX
-
KEF
1 stop19h 30m
KLM
Mon 4/2011:25 am
KEF
-
LAX
1 stop14h 00m
KLM
Deal found 1/26$531

Find flight deals from Riverside to Keflavik Intl

Keep the following information in mind while searching for Riverside to Keflavik Intl flight deals. Data was last updated January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$490
(Delta)

One-way from

$337
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$965
Provider with most accurate pricing for Los Angeles-Reykjavik (REK) flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Reykjavik (REK) flights.
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From Riverside to Reykjavik Keflavik Intl
Search Deals
One-way flight from Riverside to Reykjavik Keflavik Intl
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($61 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Riverside 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 January 28, 2026.
Use the filters below to find and compare flights from Riverside to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Riverside

Fly to

Keflavik Intl

Route

Depart

Return

Price

Los AngelesReykjavik

LAX - KEF

LAXKEF

Los Angeles

Mon 4/27

6:00 am-9:30 am

1 stop20h 30m

Reykjavik Keflavik Intl

Fri 5/8

9:30 am-9:03 pm

1 stop18h 33m

$505

Los AngelesReykjavik

LAX - KEF

LAXKEF

Los Angeles

Wed 4/22

1:00 pm-9:30 am

1 stop13h 30m

Reykjavik Keflavik Intl

Sun 4/26

11:25 am-6:24 pm

1 stop13h 59m

$540

Los AngelesReykjavik

LAX - KEF

LAXKEF

Los Angeles

Mon 4/13

6:00 am-9:30 am

1 stop20h 30m

Reykjavik Keflavik Intl

Mon 4/20

11:25 am-6:24 pm

1 stop13h 59m

$540

Los AngelesReykjavik

LAX - KEF

LAXKEF

Los Angeles

Tue 4/21

1:00 pm-9:30 am

1 stop13h 30m

Reykjavik Keflavik Intl

Sun 4/26

11:25 am-6:24 pm

1 stop13h 59m

$540

Los AngelesReykjavik

LAX - KEF

LAXKEF

Los Angeles

Fri 5/1

1:00 pm-9:30 am

1 stop13h 30m

Reykjavik Keflavik Intl

Fri 5/8

9:30 am-5:43 pm

1 stop15h 13m

$555

Los AngelesReykjavik

LAX - KEF

LAXKEF

Los Angeles

Fri 5/1

1:00 pm-9:30 am

1 stop13h 30m

Reykjavik Keflavik Intl

Sat 5/9

11:25 am-12:57 am

1 stop20h 32m

$605

Los AngelesReykjavik

LAX - KEF

LAXKEF

Los Angeles

Sat 5/2

12:00 pm-9:30 am

1 stop14h 30m

Reykjavik Keflavik Intl

Sat 5/9

11:25 am-6:43 pm

1 stop14h 18m

$605

Los AngelesReykjavik

LAX - KEF

LAXKEF

Los Angeles

Thu 4/30

1:00 pm-9:30 am

1 stop13h 30m

Reykjavik Keflavik Intl

Sun 5/10

11:25 am-9:35 pm

1 stop17h 10m

$605

Los AngelesReykjavik

LAX - KEF

LAXKEF

Los Angeles

Sat 5/2

12:00 pm-9:30 am

1 stop14h 30m

Reykjavik Keflavik Intl

Sun 5/10

8:50 am-4:21 pm

1 stop14h 31m

$605

Los AngelesReykjavik

LAX - KEF

LAXKEF

Los Angeles

Fri 5/1

1:00 pm-9:30 am

1 stop13h 30m

Reykjavik Keflavik Intl

Sun 5/10

9:30 am-11:49 pm

2 stops21h 19m

$609

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 21 results
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Best time to book a flight from Riverside to Keflavik Intl

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

Cheapflights Insights

Everything you need to know about your flight from Riverside to Reykjavik Keflavik Intl Airport

How far ahead should I book a flight from Riverside to Reykjavik Keflavik Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Riverside to Keflavik Intl. Price data was last updated on January 23, 2026.

Booking 42 days in advance of your planned departure date is, on average, the best time to get cheap flights from Riverside to Reykjavik Keflavik Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Riverside to Reykjavik Keflavik Intl Airport?

Currently, January is the cheapest month in which you can book a flight from Riverside to Reykjavik Keflavik Intl Airport (average of $399). Flying from Riverside to Reykjavik Keflavik Intl Airport in December is currently the most expensive (average of $885). 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.

Reviews of airlines servicing Keflavik Intl

Get insights into the airlines that provide service to Keflavik Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Keflavik Intl. Reviews last updated January 28, 2026.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and United Airlines from Riverside to Reykjavik Keflavik Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,799 reviews

Entertainment

7.0

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,799 reviews
Alaska Airlines
8.0
Very good
11,799 reviews

Entertainment

7.0

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,123 reviews
Alaska Airlines
8.0
Very good
11,799 reviews

Entertainment

7.0

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,208 reviews
Alaska Airlines
8.0
Very good
11,799 reviews

Entertainment

7.0

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
WestJet
7.2
Good
3,251 reviews
Alaska Airlines
8.0
Very good
11,799 reviews

Entertainment

7.0

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Icelandair
7.1
Good
603 reviews
Alaska Airlines
8.0
Very good
11,799 reviews

Entertainment

7.0

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Related info for your journey

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

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

    KLM and Delta can get you from Riverside to Reykjavik Keflavik Intl Airport in just under 13h 30m. Your travel time can differ by up to 7h. Riverside and Reykjavik Keflavik Intl Airport are separated by a distance of 4301 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Riverside to Reykjavik Keflavik Intl Airport one-way?

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at $245. KLM flights start at $529 while deals on Air Canada start at $531 one-way.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Riverside to Reykjavik Keflavik Intl Airport (average of $399). Flying from Riverside to Reykjavik Keflavik Intl Airport in December is currently the most expensive (average of $885). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Riverside to Keflavik Intl

Discover the top 10 airlines that operate flights from Riverside to Keflavik Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$526Average$615FlexibilityNo cancel feeOn-time60%
DeltaCheapest$554Average$882FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$604Average$772FlexibilityNo cancel feeOn-time70%
Alaska AirlinesCheapest$658Average$1,084FlexibilityNo cancel feeOn-time75%
KLMCheapest$671Average$917FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$681Average$884FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$683Average$895FlexibilityNo cancel feeOn-time69%
Virgin AtlanticCheapest$729Average$970FlexibilityNo cancel feeOn-time72%
Air FranceCheapest$743Average$894FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$900Average$1,089FlexibilityNo cancel feeOn-time76%

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