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Keflavik Intl

$197+ 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — KEF
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Riverside to Reykjavik Keflavik Intl are usually found in August or September, booked 22 days in advance, depart on a Tuesday or Monday and return on a Wednesday

Cheap 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 September 15, 2025.

Round-trip from

$646
(Kiwi.com)

One-way from

$197
(Trip.com)

Popular in

December

Cheapest in

August

Average price

$882
From Riverside to Reykjavik Keflavik Intl
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One-way flight from Riverside to Reykjavik Keflavik Intl
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Highest demand for flights based on searches. 4% potential increase in price ($50 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 15, 2025.

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.
Tue 11/116:44 amLAX - KEF
1 stop15h 21mMultiple Airlines
Thu 11/204:55 pmKEF - LAX
1 stop15h 14mMultiple Airlines
Deal found 9/13$646
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2910:00 pmLAX - KEF
2 stops28h 15mFinnair
Wed 11/510:00 amKEF - LAX
2 stops22h 52mFinnair
Deal found 9/14$647
This Air France deal was found by Cheapflights users on 9/12. 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 9/3012:00 pmLAX - KEF
1 stop11h 20mAir France
Tue 10/711:25 amKEF - LAX
1 stop14h 27mAir France
Deal found 9/12$648
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/113:00 pmLAX - KEF
2 stops39h 15mLufthansa
Tue 11/183:20 pmKEF - LAX
2 stops33h 49mLufthansa
Deal found 9/13$649
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/126:00 amLAX - KEF
3 stops19h 15mMultiple Airlines
Fri 10/243:05 pmKEF - LAX
3 stops38h 46mMultiple Airlines
Deal found 9/13$651
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 9/2011:02 pmLAX - KEF
1 stop22h 53mMultiple Airlines
Wed 10/13:05 pmKEF - LAX
1 stop24h 26mMultiple Airlines
Deal found 9/13$652
This Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2310:35 amLAX - KEF
1 stop15h 55mAir France
Tue 9/3011:25 amKEF - LAX
1 stop14h 25mAir France
Deal found 9/13$654
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1710:53 pmLAX - KEF
3 stops23h 02mMultiple Airlines
Fri 10/243:05 pmKEF - LAX
3 stops27h 29mMultiple Airlines
Deal found 9/13$655
This Finnair deal was found by Cheapflights users on 9/12. 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.
Thu 10/307:50 pmLAX - KEF
1 stop38h 25mFinnair
Wed 11/510:00 amKEF - LAX
2 stops22h 52mFinnair
Deal found 9/12$657

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 September 15, 2025.
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 10/13

12:09 am-4:55 am

2 stops21h 46m

Reykjavik Keflavik Intl

Tue 10/21

5:55 pm-3:30 pm

2 stops28h 35m

$661

Los AngelesReykjavik

LAX - KEF

LAXKEF

Los Angeles

Wed 10/8

7:00 am-8:15 am

1 stop18h 15m

Reykjavik Keflavik Intl

Tue 10/14

3:05 pm-7:57 pm

2 stops35h 52m

$675

Los AngelesReykjavik

LAX - KEF

LAXKEF

Los Angeles

Wed 10/8

5:30 pm-12:10 am

1 stop23h 40m

Reykjavik Keflavik Intl

Mon 10/13

12:25 am-1:00 pm

1 stop19h 35m

$687

Los AngelesReykjavik

LAX - KEF

LAXKEF

Los Angeles

Tue 10/28

7:50 pm-9:15 am

1 stop30h 25m

Reykjavik Keflavik Intl

Tue 11/4

10:00 am-12:52 am

2 stops22h 52m

$693

Los AngelesReykjavik

LAX - KEF

LAXKEF

Los Angeles

Thu 10/2

6:00 am-8:10 am

2 stops19h 10m

Reykjavik Keflavik Intl

Mon 10/6

12:25 am-1:00 pm

1 stop19h 35m

$693

Los AngelesReykjavik

LAX - KEF

LAXKEF

Los Angeles

Wed 10/8

7:00 am-8:15 am

1 stop18h 15m

Reykjavik Keflavik Intl

Sun 10/12

3:05 pm-8:17 am

1 stop24h 12m

$697

Los AngelesReykjavik

LAX - KEF

LAXKEF

Los Angeles

Fri 12/5

10:25 am-5:15 pm

2 stops22h 50m

Reykjavik Keflavik Intl

Sat 12/13

6:00 pm-5:05 pm

1 stop31h 05m

$704

Los AngelesReykjavik

LAX - KEF

LAXKEF

Los Angeles

Mon 11/24

7:30 pm-9:15 am

2 stops29h 45m

Reykjavik Keflavik Intl

Sat 12/6

10:00 am-11:59 pm

2 stops21h 59m

$708

Los AngelesReykjavik

LAX - KEF

LAXKEF

Los Angeles

Mon 10/20

10:34 pm-4:55 am

1 stop23h 21m

$197

Los AngelesReykjavik

LAX - KEF

LAXKEF

Los Angeles

Fri 10/17

10:34 pm-4:55 am

1 stop23h 21m

$198

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 16 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 September 12, 2025.

Booking 22 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, November is the cheapest month in which you can book a flight from Riverside to Reykjavik Keflavik Intl Airport (average of $328). Flying from Riverside 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.

What is the cheapest time of day to fly from R1V to KEF?

Find hourly flight availability from Riverside to Keflavik Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

When flying from Riverside to Reykjavik Keflavik Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Riverside to Reykjavik Keflavik Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Riverside to Keflavik Intl. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Riverside to Reykjavik Keflavik Intl Airport flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 September 15, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and WestJet 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.
Delta
8.0
Very good
7,956 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,956 reviews
Delta
8.0
Very good
7,956 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,931 reviews
Delta
8.0
Very good
7,956 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
WestJet
7.2
Good
3,091 reviews
Delta
8.0
Very good
7,956 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.1
Good
10,000 reviews
Delta
8.0
Very good
7,956 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Icelandair
7.0
Good
546 reviews
Delta
8.0
Very good
7,956 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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?

    Lufthansa and Finnair can get you from Riverside to Reykjavik Keflavik Intl Airport in just under 23h 40m. Your travel time can differ by up to 6h 45m. 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.

  • 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, November is the cheapest month in which you can book a flight from Riverside to Reykjavik Keflavik Intl Airport (average of $328). Flying from Riverside 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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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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$526Average$618FlexibilityNo cancel feeOn-time60%
American AirlinesCheapest$601Average$849FlexibilityNo cancel feeOn-time71%
DeltaCheapest$651Average$884FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$663Average$820FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$682Average$887FlexibilityNo cancel feeOn-time69%
Scandinavian AirlinesCheapest$683Average$989FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$683Average$914FlexibilityNo cancel feeOn-time67%
KLMCheapest$730Average$930FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$740Average$877FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$740Average$943FlexibilityNo cancel feeOn-time72%

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