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Rennes

$1,091+ Cheap flights from San Francisco (SFO) to Rennes (RNS)

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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — RNS
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from San Francisco to Rennes

Cheapest flights from San Francisco to Rennes
Explore the most affordable flight options available from San Francisco to Rennes. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This Air France deal was found by Cheapflights users on 1/25. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:10 pm
SFO
-
RNS
1 stop29h 10m
Air France
Wed 4/292:25 pm
RNS
-
SFO
1 stop30h 20m
Air France
Deal found 1/25$1,091
This KLM deal was found by Cheapflights users on 1/25. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:25 am
SFO
-
RNS
2 stops17h 55m
Multiple Airlines
Wed 4/292:25 pm
RNS
-
SFO
1 stop30h 20m
Multiple Airlines
Deal found 1/25$1,094
This Air France deal was found by Cheapflights users on 1/26. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/163:05 pm
SFO
-
RNS
1 stop34h 15m
Air France
Thu 5/282:25 pm
RNS
-
SFO
1 stop30h 20m
Air France
Deal found 1/26$1,661
This KLM deal was found by Cheapflights users on 1/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/163:05 pm
SFO
-
RNS
1 stop34h 15m
KLM
Thu 5/282:25 pm
RNS
-
SFO
1 stop30h 20m
KLM
Deal found 1/27$1,663
This KLM deal was found by Cheapflights users on 1/25. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/163:05 pm
SFO
-
RNS
2 stops17h 30m
Multiple Airlines
Thu 5/282:25 pm
RNS
-
SFO
2 stops19h 59m
Multiple Airlines
Deal found 1/25$1,994

Find flight deals from San Francisco to Rennes

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Rennes (RNS). 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 January 27, 2026.

Round-trip from

$1,091
(Air France)
From San Francisco to Rennes St Jacques
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Rennes 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 January 27, 2026.
Use the filters below to find and compare flights from San Francisco to Rennes that are best for you.

Fly from

San Francisco

Fly to

Rennes

Route

Depart

Return

Price

San FranciscoRennes

SFO - RNS

SFORNS

San Francisco

Wed 4/15

8:10 pm-10:20 am

1 stop29h 10m

Rennes St Jacques

Wed 4/29

2:25 pm-11:45 am

1 stop30h 20m

$1,091

San FranciscoRennes

SFO - RNS

SFORNS

San Francisco

Wed 4/15

7:25 am-10:20 am

2 stops17h 55m

Rennes St Jacques

Wed 4/29

2:25 pm-11:45 am

1 stop30h 20m

$1,094

San FranciscoRennes

SFO - RNS

SFORNS

San Francisco

Sat 5/16

8:10 pm-10:20 am

1 stop29h 10m

Rennes St Jacques

Thu 5/28

2:25 pm-11:45 am

1 stop30h 20m

$1,661

San FranciscoRennes

SFO - RNS

SFORNS

San Francisco

Sat 5/16

3:05 pm-10:20 am

1 stop34h 15m

Rennes St Jacques

Thu 5/28

2:25 pm-11:45 am

1 stop30h 20m

$1,663

San FranciscoRennes

SFO - RNS

SFORNS

San Francisco

Sat 5/16

3:05 pm-5:35 pm

2 stops17h 30m

Rennes St Jacques

Thu 5/28

2:25 pm-1:24 am

2 stops19h 59m

$1,994

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Best time to book a flight from San Francisco to Rennes

Have a flexible travel schedule? Discover the best time to fly to Rennes from San Francisco 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.

Reviews of airlines servicing Rennes

Get insights into the airlines that provide service to Rennes. 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 Rennes. Reviews last updated January 27, 2026.
Read reviews from past customers who have flown Delta from San Francisco to Rennes. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,118 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Crew

8.5

Food

7.2

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
7.9
Good
8,118 reviews
Delta
7.9
Good
8,118 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Crew

8.5

Food

7.2

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 San Francisco to Rennes. 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 San Francisco to Rennes?

    Departing from San Francisco to Rennes will take you 29h 10m. The distance from San Francisco to Rennes is about 5480 mi.

  • What is the cheapest airline to fly from San Francisco to Rennes round-trip?

    Our cheapest airline available from San Francisco to Rennes is Delta. Our recent data shows that you can find tickets from as low as $1,028 on this airline.

  • Can I find deals for flights from San Francisco to Rennes that include hotel bookings?

    Yes. In addition to deals on San Francisco to Rennes flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Rennes?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Rennes.

  • Can I find deals for business class flights from San Francisco to Rennes?

    Yes. Cheapflights offers flight deals from San Francisco to Rennes by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from San Francisco to Rennes

Discover the top airline that operate flights from San Francisco to Rennes. 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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,028Average$1,299FlexibilityNo cancel feeOn-timeN/A

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