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$1,083+ Cheap flights from Rennes (RNS) to San Francisco (SFO)

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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
RNS — SFO
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Rennes to San Francisco

Cheapest flights from Rennes to San Francisco
Explore the most affordable flight options available from Rennes to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Expedia deal was found by Cheapflights users on 12/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/265:30 pmRNS - SFO
1 stop27h 20mAir France
Tue 12/303:40 pmSFO - RNS
1 stop33h 40mAir France
Deal found 12/11$1,299
This Delta deal was found by Cheapflights users on 12/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/265:30 pmRNS - SFO
1 stop27h 20mDelta
Tue 12/3012:11 pmSFO - RNS
2 stops37h 09mDelta
Deal found 12/11$1,303
This Mytrip deal was found by Cheapflights users on 12/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/265:30 pmRNS - SFO
3 stops30h 15mMultiple Airlines
Tue 12/307:30 amSFO - RNS
2 stops27h 05mMultiple Airlines
Deal found 12/11$1,514

Find flight deals from Rennes to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Rennes (RNS) 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,083
(Delta)
Provider with most accurate pricing for Rennes St Jacques-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Rennes St Jacques-San Francisco flights.
Search Deals
From Rennes St Jacques to San Francisco
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Rennes 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 December 12, 2025.
Use the filters below to find and compare flights from Rennes to San Francisco that are best for you.

Fly from

Rennes

Fly to

San Francisco

Route

Depart

Return

Price

RennesSan Francisco

RNS - SFO

RNSSFO

Rennes St Jacques

Sun 1/25

11:05 am-10:54 pm

2 stops20h 49m

San Francisco

Sun 2/1

6:00 am-10:20 am

2 stops19h 20m

$1,083

RennesSan Francisco

RNS - SFO

RNSSFO

Rennes St Jacques

Sun 1/25

11:05 am-10:54 pm

2 stops20h 49m

San Francisco

Sun 2/1

3:40 pm-10:20 am

1 stop33h 40m

$1,088

RennesSan Francisco

RNS - SFO

RNSSFO

Rennes St Jacques

Sun 1/25

11:05 am-1:25 pm

1 stop35h 20m

San Francisco

Sun 2/1

3:40 pm-10:20 am

1 stop33h 40m

$1,091

RennesSan Francisco

RNS - SFO

RNSSFO

Rennes St Jacques

Thu 4/30

11:05 am-12:15 am

2 stops22h 10m

San Francisco

Fri 5/8

8:55 am-12:55 pm

2 stops19h 00m

$1,106

RennesSan Francisco

RNS - SFO

RNSSFO

Rennes St Jacques

Thu 4/30

11:05 am-11:07 pm

2 stops21h 02m

San Francisco

Fri 5/8

3:05 pm-10:15 am

1 stop34h 10m

$1,108

RennesSan Francisco

RNS - SFO

RNSSFO

Rennes St Jacques

Thu 4/30

11:05 am-12:50 pm

1 stop34h 45m

San Francisco

Fri 5/8

3:05 pm-10:15 am

1 stop34h 10m

$1,135

RennesSan Francisco

RNS - SFO

RNSSFO

Rennes St Jacques

Sun 1/25

4:50 pm-4:30 pm

2 stops32h 40m

San Francisco

Sun 2/1

11:20 am-4:35 pm

3 stops20h 15m

$1,181

RennesSan Francisco

RNS - SFO

RNSSFO

Rennes St Jacques

Fri 12/26

5:30 pm-11:50 am

1 stop27h 20m

San Francisco

Tue 12/30

3:40 pm-10:20 am

1 stop33h 40m

$1,299

RennesSan Francisco

RNS - SFO

RNSSFO

Rennes St Jacques

Fri 12/26

5:30 pm-11:50 am

1 stop27h 20m

San Francisco

Tue 12/30

12:11 pm-10:20 am

2 stops37h 09m

$1,303

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Compare providers for flights from Rennes to San Francisco

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Rennes to San Francisco in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Rennes-San Francisco flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Rennes-San Francisco flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Rennes-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Rennes-San Francisco flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Rennes-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Rennes to San Francisco

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

What is the cheapest month to book a flight from Rennes to San Francisco?

Currently, January is the cheapest month in which you can book a flight from Rennes to San Francisco (average of $529). Flying from Rennes to San Francisco in July is currently the most expensive (average of $982). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Rennes to San Francisco. 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 Rennes to San Francisco?

    For as low as $1,083, Delta can have you in San Francisco from Rennes in 20h 49m. There are 5480 mi between Rennes and San Francisco. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Rennes to San Francisco?

    Currently, January is the cheapest month in which you can book a flight from Rennes to San Francisco (average of $529). Flying from Rennes to San Francisco in July is currently the most expensive (average of $982). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
South San Francisco
Santa Cruz
Livermore
Turlock
Manteca
Watsonville
Sunnyvale
Santa Clara
San Bruno
Redwood City
Daly City
Vallejo
Hollister
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Davis
San Ramon
Burlingame
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