$538+ Cheap flights from Keflavik Intl (KEF) to San Diego (SAN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — SAN
Oct 12 — Oct 191
Round-trip
1 adult, Economy
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Find cheap flights from Keflavik Intl to San Diego with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Keflavik Intl to San Diego
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Cheapest flights from Keflavik Intl to San DiegoExplore the most affordable flight options available from Keflavik Intl to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2026.
Explore the most affordable flight options available from Keflavik Intl to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2026.
This oojo deal was found by Cheapflights users on 9/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:45 pm -
1 stop34h 41m
Fri 10/307:27 pm -
1 stop27h 48m
Deal found 9/8![Icelandair logo]()
$839
This Gotogate deal was found by Cheapflights users on 9/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:45 pm -
1 stop34h 13m
Tue 10/2012:10 pm -
1 stop14h 15m
Deal found 9/9![Icelandair logo]()
$927
This oojo deal was found by Cheapflights users on 9/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/264:50 pm -
1 stop27h 22m
Mon 11/27:14 pm -
1 stop26h 51m
Deal found 9/11![Icelandair logo]()
$940
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2612:00 pm -
2 stops19h 19m
Mon 11/25:00 pm -
2 stops57h 00m
Deal found 9/11![United Airlines logo]()
$1,004
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:15 am -
2 stops30h 50m
Fri 10/3012:39 pm -
2 stops14h 21m
Deal found 9/8![United Airlines logo]()
$1,005
This Justfly.com deal was found by Cheapflights users on 9/7. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:05 pm -
2 stops37h 54m
Mon 11/1611:05 am -
2 stops39h 45m
Deal found 9/7![Scandinavian Airlines logo]()
$1,050
This Mytrip deal was found by Cheapflights users on 9/9. 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.
Thu 10/1510:00 am -
3 stops35h 10m
Tue 10/203:30 pm -
3 stops34h 15m
Deal found 9/9![Multiple Airlines logo]()
$1,111
This lol.travel deal was found by Cheapflights users on 9/9. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:40 am -
2 stops21h 39m
Tue 10/201:12 pm -
2 stops20h 18m
Deal found 9/9![Finnair logo]()
$1,123
This Icelandair deal was found by Cheapflights users on 9/7. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:00 pm -
1 stop14h 15m
Tue 11/39:20 am -
2 stops12h 45m
Deal found 9/7![Multiple Airlines logo]()
$1,129
This Kiwi.com deal was found by Cheapflights users on 9/7. 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.
Wed 11/1112:30 pm -
2 stops53h 05m
Mon 11/168:03 am -
1 stop14h 02m
Deal found 9/7![Multiple Airlines logo]()
$1,174
Best flights from Keflavik Intl to San DiegoDiscover carefully curated flight deals from Keflavik Intl to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.
Discover carefully curated flight deals from Keflavik Intl to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.
This oojo deal was found by Cheapflights users on 9/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:45 pm -
1 stop34h 41m
Fri 10/307:27 pm -
1 stop27h 48m
Deal found 9/8![Icelandair logo]()
$839
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2612:00 pm -
2 stops19h 19m
Mon 11/25:00 pm -
2 stops57h 00m
Deal found 9/11![United Airlines logo]()
$1,004
This Justfly.com deal was found by Cheapflights users on 9/7. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:05 pm -
2 stops37h 54m
Mon 11/1611:05 am -
2 stops39h 45m
Deal found 9/7![Scandinavian Airlines logo]()
$1,050
This Mytrip deal was found by Cheapflights users on 9/9. 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.
Thu 10/1510:00 am -
3 stops35h 10m
Tue 10/203:30 pm -
3 stops34h 15m
Deal found 9/9![Multiple Airlines logo]()
$1,111
This lol.travel deal was found by Cheapflights users on 9/9. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:40 am -
2 stops21h 39m
Tue 10/201:12 pm -
2 stops20h 18m
Deal found 9/9![Finnair logo]()
$1,123
This Gotogate deal was found by Cheapflights users on 9/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:45 pm -
1 stop34h 13m
Tue 10/2012:10 pm -
1 stop14h 15m
Deal found 9/9![Icelandair logo]()
$927
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:15 am -
2 stops33h 10m
Fri 10/302:08 pm -
1 stop12h 52m
Deal found 9/8![United Airlines logo]()
$1,005
This Icelandair deal was found by Cheapflights users on 9/7. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:00 pm -
1 stop14h 15m
Tue 11/39:20 am -
2 stops12h 45m
Deal found 9/7![Multiple Airlines logo]()
$1,129
Last-minute flights from Keflavik Intl to San DiegoDiscover last-minute flight deals from Keflavik Intl to San Diego. Data last updated September 12, 2026 and is based on user searches.
Discover last-minute flight deals from Keflavik Intl to San Diego. Data last updated September 12, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 9/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:45 pm -
1 stop34h 13m
Tue 10/2012:10 pm -
1 stop14h 15m
Deal found 9/9![Icelandair logo]()
$927
This Mytrip deal was found by Cheapflights users on 9/9. 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.
Thu 10/1510:00 am -
3 stops35h 10m
Tue 10/203:30 pm -
3 stops34h 15m
Deal found 9/9![Multiple Airlines logo]()
$1,111
This lol.travel deal was found by Cheapflights users on 9/9. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:40 am -
2 stops21h 39m
Tue 10/201:12 pm -
2 stops20h 18m
Deal found 9/9![Finnair logo]()
$1,123
This Virgin Atlantic deal was found by Cheapflights users on 9/9. 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.
Thu 10/1511:25 am -
1 stop16h 14m
Tue 10/206:15 am -
2 stops20h 15m
Deal found 9/9![Virgin Atlantic logo]()
$1,206
This oojo deal was found by Cheapflights users on 9/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:45 pm -
1 stop34h 41m
Fri 10/307:27 pm -
1 stop27h 48m
Deal found 9/8![Icelandair logo]()
$839
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:15 am -
2 stops30h 50m
Fri 10/3012:39 pm -
2 stops14h 21m
Deal found 9/8![United Airlines logo]()
$1,005
This oojo deal was found by Cheapflights users on 9/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/264:50 pm -
1 stop27h 22m
Mon 11/27:14 pm -
1 stop26h 51m
Deal found 9/11![Icelandair logo]()
$940
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2612:00 pm -
2 stops19h 19m
Mon 11/25:00 pm -
2 stops57h 00m
Deal found 9/11![United Airlines logo]()
$1,004
This Icelandair deal was found by Cheapflights users on 9/7. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:00 pm -
1 stop14h 15m
Tue 11/39:20 am -
2 stops12h 45m
Deal found 9/7![Multiple Airlines logo]()
$1,129
This Finnair deal was found by Cheapflights users on 9/7. 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 10/296:00 pm -
2 stops33h 04m
Tue 11/311:08 am -
2 stops38h 07m
Deal found 9/7![Finnair logo]()
$1,223
One-way flights from Keflavik Intl to San DiegoSearch for one-way flight options from Keflavik Intl to San Diego. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
Search for one-way flight options from Keflavik Intl to San Diego. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
This oojo deal was found by Cheapflights users on 9/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:00 pm -
1 stop13h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Icelandair logo]()
$538
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Wed 11/1110:00 am -
3 stops58h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$562
This Kiwi.com deal was found by Cheapflights users on 9/7. 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.
Wed 10/216:45 pm -
3 stops32h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$572
This oojo deal was found by Cheapflights users on 9/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/105:00 pm -
1 stop12h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Icelandair logo]()
$597
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/204:45 pm -
2 stops38h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$645
This Kiwi.com deal was found by Cheapflights users on 9/7. 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.
Thu 10/157:45 pm -
1 stop34h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$653
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/177:45 pm -
1 stop21h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$654
This Kiwi.com deal was found by Cheapflights users on 9/7. 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.
Sun 10/187:45 pm -
1 stop21h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$656
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Sun 1/108:15 pm -
3 stops32h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$668
Find flight deals from Keflavik Intl to San Diego
Discover tips and strategies to find the most affordable flight options for your journey from Keflavik Intl (KEF) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $839 (oojo) |
One-way from | $538 (oojo) |
Cheapflights Fare Finder
Customize your flight search to find flights from Keflavik Intl 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, Cheapflights users made 7,457,451 searches. Data last updated September 12, 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
Cheapest round-trip
ReykjavikSan Diego
KEF Reykjavik Keflavik Intl - SAN San Diego
KEFSAN
Reykjavik Keflavik Intl
Wed 11/11
12:30 pm-12:40 pm
2 stops56h 10m
San Diego
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$566
Quickest round-trip
ReykjavikSan Diego
KEF Reykjavik Keflavik Intl - SAN San Diego
KEFSAN
Reykjavik Keflavik Intl
Sun 1/10
5:00 pm-9:44 pm
1 stop12h 44m
San Diego
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$597
ReykjavikSan Diego
KEF Reykjavik Keflavik Intl - SAN San Diego
KEFSAN
Reykjavik Keflavik Intl
Sat 10/17
7:45 pm-10:06 am
1 stop21h 21m
San Diego
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$654
ReykjavikSan Diego
KEF Reykjavik Keflavik Intl - SAN San Diego
KEFSAN
Reykjavik Keflavik Intl
Thu 10/15
7:45 pm-4:49 pm
2 stops52h 04m
San Diego
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$655
ReykjavikSan Diego
KEF Reykjavik Keflavik Intl - SAN San Diego
KEFSAN
Reykjavik Keflavik Intl
Sun 1/10
8:15 pm-8:30 pm
3 stops32h 15m
San Diego
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$668
ReykjavikSan Diego
KEF Reykjavik Keflavik Intl - SAN San Diego
KEFSAN
Reykjavik Keflavik Intl
Wed 10/21
5:00 pm-11:56 pm
2 stops37h 56m
San Diego
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$670
ReykjavikSan Diego
KEF Reykjavik Keflavik Intl - SAN San Diego
KEFSAN
Reykjavik Keflavik Intl
Wed 10/7
4:50 pm-11:26 pm
1 stop13h 36m
San Diego
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$672
ReykjavikSan Diego
KEF Reykjavik Keflavik Intl - SAN San Diego
KEFSAN
Reykjavik Keflavik Intl
Fri 10/16
7:50 pm-1:12 pm
2 stops24h 22m
San Diego
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$694
ReykjavikSan Diego
KEF Reykjavik Keflavik Intl - SAN San Diego
KEFSAN
Reykjavik Keflavik Intl
Fri 10/23
7:45 pm-11:26 pm
1 stop34h 41m
San Diego
Fri 10/30
7:27 pm-6:15 am
1 stop27h 48m
$839
ReykjavikSan Diego
KEF Reykjavik Keflavik Intl - SAN San Diego
KEFSAN
Reykjavik Keflavik Intl
Thu 10/15
7:45 pm-10:58 pm
1 stop34h 13m
San Diego
Tue 10/20
12:10 pm-9:25 am
1 stop14h 15m
$927
Showing 1-10 of 16 resultsSorted by cheapest first
Best time to book a flight from Keflavik Intl to San Diego
Have a flexible travel schedule? Discover the best time to fly to San Diego from Keflavik Intl with our price prediction graph.
KEF-SAN
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.
Related info for your journey
Find useful and relevant information for your journey from Keflavik Intl to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
National City
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Coronado
Poway
San Ysidro
La Mesa
Santee
Julian
Lemon Grove
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