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Cheap flights from Reykjavik Keflavik Intl Airport to San Diego from $489

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 8/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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.
Multiple Airlines Logo
9:00 am - 11:51 pm
KEF
-
SAN
45h 51m
2 stops
Multiple Airlines Logo
1:59 pm - 9:00 am
SAN
-
KEF
12h 01m
1 stop
$786Multiple Airlines
Thu, Jul 23 - Tue, Jul 28
Multiple Airlines Logo
9:00 am - 2:10 pm
KEF
-
SAN
12h 10m
1 stop
Multiple Airlines Logo
1:59 pm - 9:00 am
SAN
-
KEF
12h 01m
1 stop
$806Multiple Airlines
Thu, Jul 23 - Tue, Jul 28
Multiple Airlines Logo
9:00 am - 2:10 pm
KEF
-
SAN
12h 10m
1 stop
Multiple Airlines Logo
8:40 am - 9:00 am
SAN
-
KEF
17h 20m
1 stop
$824Multiple Airlines
Thu, Jul 23 - Tue, Jul 28
Multiple Airlines Logo
4:55 pm - 2:15 pm
KEF
-
SAN
29h 20m
1 stop
Multiple Airlines Logo
7:00 am - 6:15 am
SAN
-
KEF
15h 15m
1 stop
$914Multiple Airlines
Sat, Nov 21 - Tue, Dec 1
United Airlines Logo
12:00 pm - 10:30 pm
KEF
-
SAN
18h 30m
2 stops
United Airlines Logo
9:55 pm - 10:00 am
SAN
-
KEF
28h 05m
2 stops
$956United Airlines
Sat, Nov 21 - Tue, Dec 1
United Airlines Logo
11:00 am - 10:47 pm
KEF
-
SAN
18h 47m
2 stops
United Airlines Logo
9:49 am - 8:50 am
SAN
-
KEF
16h 01m
2 stops
$969United Airlines
Fri, Aug 14 - Fri, Aug 21
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
$982Multiple Airlines
Thu, Jul 23 - Tue, Jul 28
Multiple Airlines Logo
9:00 am - 11:53 am
KEF
-
SAN
33h 53m
2 stops
Multiple Airlines Logo
4:55 pm - 8:45 am
SAN
-
KEF
32h 50m
2 stops
$1,013Multiple Airlines
Thu, Jul 23 - Tue, Jul 28
Multiple Airlines Logo
9:00 am - 11:53 am
KEF
-
SAN
33h 53m
2 stops
Multiple Airlines Logo
4:55 pm - 7:40 am
SAN
-
KEF
31h 45m
3 stops
$1,019Multiple Airlines
Thu, Jul 23 - Tue, Jul 28
Multiple Airlines Logo
9:00 am - 2:10 pm
KEF
-
SAN
12h 10m
1 stop
Multiple Airlines Logo
10:25 pm - 7:55 am
SAN
-
KEF
26h 30m
2 stops
$1,029Multiple Airlines
Thu, Jul 23 - Tue, Jul 28

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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
Nov 21
KEF12:00 pmReykjavik Keflavik Intl
20h 19m
3 stops
SAN12:19 amSan Diego
Dec 1
SAN9:55 pmSan Diego
28h 05m
2 stops
KEF10:00 amReykjavik Keflavik Intl
$956
United Airlines
Aug 14
KEF11:00 amReykjavik Keflavik Intl
18h 47m
2 stops
SAN10:47 pmSan Diego
Aug 21
SAN9:49 amSan Diego
16h 01m
2 stops
KEF8:50 amReykjavik Keflavik Intl
$969
United Airlines
Aug 14
KEF12:00 pmReykjavik Keflavik Intl
19h 29m
3 stops
SAN12:29 amSan Diego
Aug 21
SAN2:24 pmSan Diego
35h 06m
2 stops
KEF8:30 amReykjavik Keflavik Intl
$7,739

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 July 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 7/23

9:00 am-11:51 pm

2 stops45h 51m

San Diego

Tue 7/28

1:59 pm-9:00 am

1 stop12h 01m

$786
Quickest round-trip

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Thu 7/23

9:00 am-2:10 pm

1 stop12h 10m

San Diego

Tue 7/28

1:59 pm-9:00 am

1 stop12h 01m

$806

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Thu 7/23

9:00 am-2:10 pm

1 stop12h 10m

San Diego

Tue 7/28

8:40 am-9:00 am

1 stop17h 20m

$824

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Sat 11/21

4:55 pm-2:15 pm

1 stop29h 20m

San Diego

Tue 12/1

7:00 am-6:15 am

1 stop15h 15m

$914

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Sat 11/21

12:00 pm-10:30 pm

2 stops18h 30m

San Diego

Tue 12/1

9:55 pm-10:00 am

2 stops28h 05m

$956

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Fri 8/14

11:00 am-10:47 pm

2 stops18h 47m

San Diego

Fri 8/21

9:49 am-8:50 am

2 stops16h 01m

$969

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Thu 7/23

9:00 am-2:10 pm

1 stop12h 10m

San Diego

Tue 7/28

4:55 pm-7:40 am

3 stops31h 45m

$982

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Thu 7/23

9:00 am-11:53 am

2 stops33h 53m

San Diego

Tue 7/28

4:55 pm-8:45 am

2 stops32h 50m

$1,013

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Thu 7/23

9:00 am-11:53 am

2 stops33h 53m

San Diego

Tue 7/28

4:55 pm-7:40 am

3 stops31h 45m

$1,019

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Thu 7/23

9:00 am-2:10 pm

1 stop12h 10m

San Diego

Tue 7/28

10:25 pm-7:55 am

2 stops26h 30m

$1,029

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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

What is the cheapest airline that flies from Reykjavik Keflavik Intl to San Diego?

Icelandair and WestJet are the most popular carriers operating from Reykjavik Keflavik Intl to San Diego

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

12h 10m

Direct flights

None
The fastest flight from Reykjavik Keflavik Intl Airport to San Diego takes 12h 10m
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 12h 10m.

  • 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
Chula Vista
Coronado
El Cajon
Julian
National City
La Mesa
Poway
San Ysidro
Imperial Beach
Borrego Springs
Santee
Lemon Grove
Alpine

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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