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Cheap flights from Reykjavik Keflavik Intl Airport to San Diego from $582

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Reykjavik Keflavik Intl Airport to San Diego departing on 7/4. 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 San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
9:00 am - 2:10 pm
KEF
-
SAN
12h 10m
1 stop
WestJet Logo
3:30 pm - 7:40 am
SAN
-
KEF
33h 10m
1 stop
$730WestJet
Thu, May 21 - Thu, May 28
WestJet Logo
9:00 am - 2:10 pm
KEF
-
SAN
12h 10m
1 stop
WestJet Logo
3:30 pm - 7:40 am
SAN
-
KEF
33h 10m
1 stop
$810WestJet
Thu, May 21 - Tue, May 26
Multiple Airlines Logo
9:00 am - 2:10 pm
KEF
-
SAN
12h 10m
1 stop
Multiple Airlines Logo
4:55 pm - 7:40 am
SAN
-
KEF
31h 45m
3 stops
$824Multiple Airlines
Thu, May 21 - Tue, May 26
Multiple Airlines Logo
9:00 am - 2:10 pm
KEF
-
SAN
12h 10m
1 stop
Multiple Airlines Logo
4:17 pm - 7:40 am
SAN
-
KEF
32h 23m
2 stops
$834Multiple Airlines
Thu, May 21 - Thu, May 28
Multiple Airlines Logo
9:00 am - 2:10 pm
KEF
-
SAN
12h 10m
1 stop
Multiple Airlines Logo
4:55 pm - 7:40 am
SAN
-
KEF
31h 45m
3 stops
$869Multiple Airlines
Thu, May 21 - Thu, May 28
Multiple Airlines Logo
9:00 am - 2:10 pm
KEF
-
SAN
12h 10m
1 stop
Multiple Airlines Logo
10:07 pm - 9:25 am
SAN
-
KEF
28h 18m
2 stops
$961Multiple Airlines
Thu, May 21 - Tue, May 26
United Airlines Logo
12:00 pm - 6:41 pm
KEF
-
SAN
13h 41m
1 stop
United Airlines Logo
10:40 pm - 8:30 am
SAN
-
KEF
26h 50m
2 stops
$976United Airlines
Fri, May 15 - Fri, May 22
United Airlines Logo
12:00 pm - 4:05 pm
KEF
-
SAN
35h 05m
3 stops
United Airlines Logo
6:20 am - 8:30 am
SAN
-
KEF
19h 10m
2 stops
$3,595United Airlines
Fri, May 15 - Fri, May 22

WestJet flights from Reykjavik Keflavik Intl Airport to San Diego

Our best WestJet deals on Reykjavik Keflavik Intl Airport to San Diego flight tickets
WestJet
May 21
KEF9:00 amReykjavik Keflavik Intl
12h 10m
1 stop
SAN2:10 pmSan Diego
May 28
SAN3:30 pmSan Diego
33h 10m
1 stop
KEF7:40 amReykjavik Keflavik Intl
$730
WestJet
May 21
KEF9:00 amReykjavik Keflavik Intl
12h 10m
1 stop
SAN2:10 pmSan Diego
May 26
SAN3:30 pmSan Diego
33h 10m
1 stop
KEF7:40 amReykjavik Keflavik Intl
$810

United Airlines flights from Reykjavik Keflavik Intl Airport to San Diego

Our best United Airlines deals on Reykjavik Keflavik Intl Airport to San Diego flight tickets
United Airlines
May 15
KEF12:00 pmReykjavik Keflavik Intl
13h 41m
1 stop
SAN6:41 pmSan Diego
May 22
SAN10:40 pmSan Diego
26h 50m
2 stops
KEF8:30 amReykjavik Keflavik Intl
$976
United Airlines
May 15
KEF12:00 pmReykjavik Keflavik Intl
35h 05m
3 stops
SAN4:05 pmSan Diego
May 22
SAN6:20 amSan Diego
19h 10m
2 stops
KEF8:30 amReykjavik Keflavik Intl
$3,595

momondo Fare Finder

 
Customize your flight search to find flights from Reykjavik Keflavik Intl Airport to San Diego 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 April 2, 2026.
Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Thu 5/21

9:00 am-2:10 pm

1 stop12h 10m

San Diego

Thu 5/28

3:30 pm-7:40 am

1 stop33h 10m

$730

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Thu 5/21

9:00 am-2:10 pm

1 stop12h 10m

San Diego

Tue 5/26

3:30 pm-7:40 am

1 stop33h 10m

$810

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Thu 5/21

9:00 am-2:10 pm

1 stop12h 10m

San Diego

Tue 5/26

4:55 pm-7:40 am

3 stops31h 45m

$824

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Thu 5/21

9:00 am-2:10 pm

1 stop12h 10m

San Diego

Thu 5/28

4:17 pm-7:40 am

2 stops32h 23m

$834

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Thu 5/21

9:00 am-2:10 pm

1 stop12h 10m

San Diego

Thu 5/28

4:55 pm-7:40 am

3 stops31h 45m

$869
Quickest round-trip

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Thu 5/21

9:00 am-2:10 pm

1 stop12h 10m

San Diego

Tue 5/26

10:07 pm-9:25 am

2 stops28h 18m

$961

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Fri 5/15

12:00 pm-6:41 pm

1 stop13h 41m

San Diego

Fri 5/22

10:40 pm-8:30 am

2 stops26h 50m

$976

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Fri 5/15

12:00 pm-4:05 pm

3 stops35h 05m

San Diego

Fri 5/22

6:20 am-8:30 am

2 stops19h 10m

$3,595
Cheapest one-way

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Sat 7/4

9:30 am-3:25 pm

3 stops36h 55m

$582

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Sat 7/4

9:30 am-3:25 pm

2 stops36h 55m

$589

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to San Diego from

How to get the cheapest flight ticket from Reykjavik Keflavik Intl Airport to San Diego

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

Can stopping save me money on Reykjavik Keflavik Intl Airport to San Diego flights?

You could potentially save up to 39% on your flight if you consider stops on a Reykjavik Keflavik Intl Airport to San Diego flight.

When to book flights from Reykjavik Keflavik Intl Airport to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from Reykjavik Keflavik Intl Airport to San Diego 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 San Diego (KEF to SAN) flight deals and tips

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

Fastest flight time

45h 50m

Direct flights

None
The fastest flight from Reykjavik Keflavik Intl Airport to San Diego takes 45h 50m
There are no direct flights from Reykjavik Keflavik Intl Airport to San Diego. There are no popular flight routes from Reykjavik Keflavik Intl Airport to San Diego.
Search flight deals

Frequently asked questions about flying from Reykjavik Keflavik Intl Airport to San Diego

  • How far is Reykjavik Keflavik Intl to San Diego by plane?

    There are 4339.1 mi between Reykjavik Keflavik Intl and San Diego. A reasonable flight in good conditions will take 45h 50m.

  • When did momondo last update prices for flights from Reykjavik Keflavik Intl Airport to San Diego Airport?

    Prices for flights from Reykjavik Keflavik Intl Airport to San Diego Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Reykjavik Keflavik Intl Airport to San Diego 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 San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The travel and health documents required for your trip to San Diego Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Diego Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Coronado
Chula Vista
El Cajon
Julian
National City
Poway
San Ysidro
La Mesa
Imperial Beach
Borrego Springs
Alpine
Santee
Lemon Grove

Why use momondo?

Why should I use momondo to find a flight deal from Reykjavik to San Diego?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Reykjavik to San Diego. momondo saves you time and could save you money on your trip.

Can I find flights from Reykjavik to San Diego with flexible booking policies on momondo?

momondo does allow users to show only those flights to San Diego from Reykjavik which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Reykjavik to San Diego?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Diego from Reykjavik.

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

Yes. momondo can track prices for Reykjavik to San Diego flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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