$361+ Cheap flights from Reykjavik (REK) to San Francisco (SFO)
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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
REK — SFO
Aug 25 — Sep 11
Round-trip
1 adult, Economy
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Find cheap flights from Reykjavik to San Francisco 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 Reykjavik to San Francisco
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One-way
Cheapest flights from Reykjavik to San FranciscoExplore the most affordable flight options available from Reykjavik to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 26, 2026.
Explore the most affordable flight options available from Reykjavik to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 26, 2026.
This Trip.com deal was found by Cheapflights users on 7/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/39:00 am
KEF
- SFO
1 stop14h 40m
WestJet
Mon 9/146:00 am
SFO
- KEF
1 stop18h 40m
WestJet
Deal found 7/21![WestJet logo]()
$602
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 9/68:20 am
KEF
- SFO
2 stops20h 35m
WestJet
Sun 9/136:00 am
SFO
- KEF
1 stop18h 40m
WestJet
Deal found 7/24![WestJet logo]()
$617
This Mytrip deal was found by Cheapflights users on 7/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/39:00 am
KEF
- SFO
2 stops22h 07m
Multiple Airlines
Mon 9/146:00 am
SFO
- KEF
1 stop18h 40m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$654
This Mytrip deal was found by Cheapflights users on 7/24. 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 9/68:20 am
KEF
- SFO
3 stops20h 35m
Multiple Airlines
Sun 9/136:40 am
SFO
- KEF
2 stops18h 00m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$701
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Fri 8/289:00 am
KEF
- SFO
1 stop19h 55m
Multiple Airlines
Mon 8/317:00 am
SFO
- KEF
1 stop19h 00m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$743
Best flights from Reykjavik to San FranciscoDiscover carefully curated flight deals from Reykjavik to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 26, 2026.
Discover carefully curated flight deals from Reykjavik to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Fri 8/289:00 am
KEF
- SFO
1 stop19h 55m
Multiple Airlines
Mon 8/317:00 am
SFO
- KEF
1 stop19h 00m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$743
This oojo deal was found by Cheapflights users on 7/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:45 pm
KEF
- SFO
1 stop27h 11m
Icelandair
Tue 9/153:26 pm
SFO
- KEF
1 stop10h 59m
Icelandair
Deal found 7/26![Icelandair logo]()
$854
This Mytrip deal was found by Cheapflights users on 7/21. 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 9/39:00 am
KEF
- SFO
3 stops22h 07m
Multiple Airlines
Mon 9/146:40 am
SFO
- KEF
2 stops18h 00m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$747
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Fri 9/49:00 am
KEF
- SFO
1 stop34h 00m
Multiple Airlines
Fri 9/116:45 pm
SFO
- KEF
2 stops53h 55m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$769
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/89:00 am
KEF
- SFO
1 stop34h 00m
Multiple Airlines
Tue 9/151:10 pm
SFO
- KEF
2 stops35h 30m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$772
This Mytrip deal was found by Cheapflights users on 7/22. 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 8/279:00 am
KEF
- SFO
3 stops22h 07m
Multiple Airlines
Fri 9/116:00 am
SFO
- KEF
1 stop18h 40m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$792
This Mytrip deal was found by Cheapflights users on 7/25. 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 8/279:00 am
KEF
- SFO
3 stops22h 07m
Multiple Airlines
Wed 9/96:00 am
SFO
- KEF
1 stop18h 40m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$838
Last-minute flights from Reykjavik to San FranciscoDiscover last-minute flight deals from Reykjavik to San Francisco. Data last updated July 26, 2026 and is based on user searches.
Discover last-minute flight deals from Reykjavik to San Francisco. Data last updated July 26, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 8/119:00 am
KEF
- SFO
2 stops38h 06m
Multiple Airlines
Tue 8/256:00 am
SFO
- KEF
1 stop18h 40m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$770
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/279:00 am
KEF
- SFO
1 stop14h 40m
WestJet
Fri 9/111:00 pm
SFO
- KEF
1 stop11h 40m
WestJet
Deal found 7/22![WestJet logo]()
$750
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 8/279:00 am
KEF
- SFO
1 stop14h 40m
WestJet
Wed 9/96:00 am
SFO
- KEF
1 stop18h 40m
WestJet
Deal found 7/25![WestJet logo]()
$769
This Mytrip deal was found by Cheapflights users on 7/22. 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 8/279:00 am
KEF
- SFO
3 stops22h 07m
Multiple Airlines
Fri 9/116:00 am
SFO
- KEF
1 stop18h 40m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$792
This Mytrip deal was found by Cheapflights users on 7/25. 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 8/279:00 am
KEF
- SFO
2 stops16h 32m
Multiple Airlines
Wed 9/96:00 am
SFO
- KEF
1 stop18h 40m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$794
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Fri 8/289:00 am
KEF
- SFO
1 stop19h 55m
Multiple Airlines
Mon 8/317:00 am
SFO
- KEF
1 stop19h 00m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$743
One-way flights from Reykjavik to San FranciscoSearch for one-way flight options from Reykjavik to San Francisco. Find affordable one-way fares based on user searches. Data last updated July 26, 2026.
Search for one-way flight options from Reykjavik to San Francisco. Find affordable one-way fares based on user searches. Data last updated July 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/129:00 am
KEF
- SFO
2 stops19h 12m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/119:00 am
KEF
- SFO
2 stops38h 06m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/119:00 am
KEF
- SFO
1 stop14h 40m
WestJet
Deal found 7/22![WestJet logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/139:00 am
KEF
- SFO
2 stops38h 06m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$533
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 9/87:05 pm
KEF
- SFO
3 stops50h 25m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$536
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 9/226:00 pm
KEF
- SFO
3 stops53h 20m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$544
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/159:00 am
KEF
- SFO
1 stop14h 40m
WestJet
Deal found 7/22![WestJet logo]()
$546
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/159:00 am
KEF
- SFO
2 stops30h 43m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$556
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/139:00 am
KEF
- SFO
1 stop19h 55m
WestJet
Deal found 7/22![WestJet logo]()
$560
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Fri 8/219:00 am
KEF
- SFO
2 stops30h 40m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$570
This oojo deal was found by Cheapflights users on 7/25. 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.
Tue 9/85:10 pm
KEF
- SFO
1 stop14h 42m
Icelandair
Deal found 7/25![Icelandair logo]()
$588
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 10/15:35 pm
KEF
- SFO
3 stops50h 42m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$591
Find flight deals from Reykjavik to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from Reykjavik (REK) to San Francisco (SFO). 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 July 26, 2026.
Round-trip from | $602 (Trip.com) |
|---|---|
One-way from | $346 (Mytrip) |
Cheapflights Fare Finder
Customize your flight search to find flights from Reykjavik to San Francisco 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 July 26, 2026.
Use the filters below to find and compare flights from Reykjavik to San Francisco that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ReykjavikSan Francisco
KEF - SFO
KEFSFO
Reykjavik Keflavik Intl
Fri 8/28
9:00 am-9:55 pm
1 stop19h 55m
San Francisco
Mon 8/31
7:00 am-9:00 am
1 stop19h 00m
$743
ReykjavikSan Francisco
KEF - SFO
KEFSFO
Reykjavik Keflavik Intl
Thu 9/3
9:00 am-12:07 am
3 stops22h 07m
San Francisco
Mon 9/14
6:40 am-7:40 am
2 stops18h 00m
$747
ReykjavikSan Francisco
KEF - SFO
KEFSFO
Reykjavik Keflavik Intl
Fri 9/4
9:00 am-12:00 pm
1 stop34h 00m
San Francisco
Fri 9/11
6:45 pm-7:40 am
2 stops53h 55m
$769
ReykjavikSan Francisco
KEF - SFO
KEFSFO
Reykjavik Keflavik Intl
Tue 9/8
9:00 am-12:00 pm
1 stop34h 00m
San Francisco
Tue 9/15
1:10 pm-7:40 am
2 stops35h 30m
$772
ReykjavikSan Francisco
KEF - SFO
KEFSFO
Reykjavik Keflavik Intl
Thu 8/27
9:00 am-12:07 am
3 stops22h 07m
San Francisco
Fri 9/11
6:00 am-7:40 am
1 stop18h 40m
$792
ReykjavikSan Francisco
KEF - SFO
KEFSFO
Reykjavik Keflavik Intl
Thu 8/27
9:00 am-12:07 am
3 stops22h 07m
San Francisco
Wed 9/9
6:00 am-7:40 am
1 stop18h 40m
$838
Quickest round-trip
ReykjavikSan Francisco
KEF - SFO
KEFSFO
Reykjavik Keflavik Intl
Tue 9/8
7:45 pm-3:56 pm
1 stop27h 11m
San Francisco
Tue 9/15
3:26 pm-9:25 am
1 stop10h 59m
$854
Cheapest one-way
ReykjavikSan Francisco
KEF - SFO
KEFSFO
Reykjavik Keflavik Intl
Wed 8/12
9:00 am-9:12 pm
2 stops19h 12m
$361
ReykjavikSan Francisco
KEF - SFO
KEFSFO
Reykjavik Keflavik Intl
Tue 9/8
7:05 pm-2:30 pm
3 stops50h 25m
$536
ReykjavikSan Francisco
KEF - SFO
KEFSFO
Reykjavik Keflavik Intl
Fri 8/21
9:00 am-8:40 am
2 stops30h 40m
$570
Showing 1-10 of 15 resultsSorted by cheapest first
Best time to book a flight from Reykjavik to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Reykjavik with our price prediction graph.
REK-SFO
KEF-SFO
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 Reykjavik to San Francisco
REK-SFO
KEF-SFO
No data available for this route at this time. Please check back soon.
Related info for your journey
Find useful and relevant information for your journey from Reykjavik to San Francisco. 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 Francisco?
Book flights to San Francisco if you plan to visit one of these locationsSouth San Francisco
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Santa Cruz
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Rancho Cordova
San Bruno
Cupertino
Emeryville
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Watsonville
Hayward
Redwood City
San Carlos
San Ramon
Turlock
Vallejo
San Lorenzo
Davis
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Reykjavik and San Francisco flights
Browse other Reykjavik and San Francisco flight options. Last updated on July 26, 2026.
Other flights from Reykjavik
Browse through other flights departing from Reykjavik. Flights are based on user searches made on Cheapflights and were last updated on July 26, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Other flights to San Francisco
Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 26, 2026.
Top airline flying from Reykjavik to San Francisco
Discover the top airline that operate flights from Reykjavik to San Francisco. 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 July 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$883 | Average$963 | FlexibilityNo cancel fee | On-time76% |