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$1,022+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — RNS
ago. 3 — ago. 101
dom. 8/3
dom. 8/10
1 adult, Economy
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Cheap 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 julio 29, 2025.

Round-trip from

$1,022
(Kiwi.com)
From San Francisco to Rennes St Jacques
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Find 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 julio 29, 2025.

This KLM deal was found by Cheapflights users on 7/28. 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.
vie. 8/158:25 pmSFO - RNS
1 stop29h 40mMultiple Airlines
dom. 8/2411:45 amRNS - SFO
1 stop15h 30mMultiple Airlines
Deal found 7/28$1,112
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/157:29 amSFO - RNS
2 stops18h 36mDelta
dom. 8/2411:45 amRNS - SFO
1 stop15h 30mDelta
Deal found 7/28$1,116
This Air France deal was found by Cheapflights users on 7/27. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/63:05 pmSFO - RNS
1 stop13h 40mAir France
lun. 10/2011:45 amRNS - SFO
2 stops20h 28mAir France
Deal found 7/27$1,165

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 julio 29, 2025.
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

vie. 9/12

5:40 pm-6:10 pm

1 stop15h 30m

Rennes St Jacques

vie. 9/19

5:40 pm-6:13 pm

2 stops33h 33m

$1,022

San FranciscoRennes

SFO - RNS

SFORNS

San Francisco

vie. 8/15

7:29 am-11:05 am

2 stops18h 36m

Rennes St Jacques

dom. 8/24

11:45 am-6:15 pm

1 stop15h 30m

$1,116

San FranciscoRennes

SFO - RNS

SFORNS

San Francisco

lun. 10/6

3:05 pm-1:45 pm

1 stop13h 40m

Rennes St Jacques

lun. 10/20

11:45 am-11:13 pm

2 stops20h 28m

$1,165

San FranciscoRennes

SFO - RNS

SFORNS

San Francisco

vie. 9/12

1:45 pm-4:20 pm

1 stop17h 35m

Rennes St Jacques

vie. 9/19

10:45 am-6:15 pm

1 stop16h 30m

$1,230

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Rennes

What is the cheapest time of day to fly from SFO to RNS?

Find hourly flight availability from San Francisco to Rennes. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 29, 2025.

When flying from San Francisco to Rennes, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 31% versus a flight in the morning.

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 julio 29, 2025.
Read reviews from past customers who have flown Delta, KLM, and Air France 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
8.0
Very good
7,977 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

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
8.0
Very good
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

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.
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

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.
Air France
7.5
Good
1,465 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

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.

  • What are the cheapest airlines flying 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 $1,116 on this airline. Additional options worth looking into are Air France and KLM, starting at $1,165 and $1,230 round-trip.

  • 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

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Top 2 airlines flying from San Francisco to Rennes

Discover the top 2 airlines 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 julio 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$940Average$1,248FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$1,279Average$1,527FlexibilityNo cancel feeOn-time75%

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