HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Francisco

$993+ 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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
RNS — SFO
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Rennes 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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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 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 September 11, 2025.

Round-trip from

$993
(Expedia)
From Rennes St Jacques to San Francisco
Search Deals

Find 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 September 11, 2025.

This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2710:55 amRNS - SFO
2 stops20h 08mAir France
Wed 10/18:25 pmSFO - RNS
1 stop28h 40mAir France
Deal found 9/11$993
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/277:10 amRNS - SFO
1 stop14h 40mKLM
Wed 10/18:25 pmSFO - RNS
1 stop28h 40mKLM
Deal found 9/11$1,064
This Delta deal was found by Cheapflights users on 9/10. 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.
Sat 10/47:10 amRNS - SFO
2 stops19h 50mDelta
Fri 10/101:45 pmSFO - RNS
1 stop17h 35mDelta
Deal found 9/10$1,074
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/277:10 amRNS - SFO
2 stops19h 37mDelta
Wed 10/18:55 amSFO - RNS
2 stops19h 50mDelta
Deal found 9/11$1,105
This Expedia deal was found by Cheapflights users on 9/10. 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.
Sat 10/47:10 amRNS - SFO
1 stop14h 40mAir France
Fri 10/101:45 pmSFO - RNS
1 stop17h 35mAir France
Deal found 9/10$1,112
This Mytrip deal was found by Cheapflights users on 9/10. 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.
Sat 10/44:50 pmRNS - SFO
3 stops29h 35mMultiple Airlines
Fri 10/109:20 pmSFO - RNS
2 stops33h 15mMultiple Airlines
Deal found 9/10$1,501
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/277:10 amRNS - SFO
3 stops23h 14mMultiple Airlines
Wed 10/17:10 amSFO - RNS
3 stops21h 35mMultiple Airlines
Deal found 9/11$1,780

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 September 11, 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

Sat 9/27

10:55 am-10:03 pm

2 stops20h 08m

San Francisco

Wed 10/1

8:25 pm-10:05 am

1 stop28h 40m

$993

RennesSan Francisco

RNS - SFO

RNSSFO

Rennes St Jacques

Wed 3/4

5:30 pm-11:50 am

1 stop27h 20m

San Francisco

Sun 3/8

11:00 pm-10:20 am

2 stops27h 20m

$1,053

RennesSan Francisco

RNS - SFO

RNSSFO

Rennes St Jacques

Sat 9/27

7:10 am-12:50 pm

1 stop14h 40m

San Francisco

Wed 10/1

8:25 pm-10:05 am

1 stop28h 40m

$1,064

RennesSan Francisco

RNS - SFO

RNSSFO

Rennes St Jacques

Sat 10/4

7:10 am-6:00 pm

2 stops19h 50m

San Francisco

Fri 10/10

10:35 am-4:20 pm

2 stops20h 45m

$1,074

RennesSan Francisco

RNS - SFO

RNSSFO

Rennes St Jacques

Sat 10/4

7:10 am-12:50 pm

1 stop14h 40m

San Francisco

Fri 10/10

1:45 pm-4:20 pm

1 stop17h 35m

$1,112

RennesSan Francisco

RNS - SFO

RNSSFO

Rennes St Jacques

Sat 10/4

4:50 pm-1:25 pm

3 stops29h 35m

San Francisco

Fri 10/10

9:20 pm-3:35 pm

2 stops33h 15m

$1,501

RennesSan Francisco

RNS - SFO

RNSSFO

Rennes St Jacques

Sat 9/27

7:10 am-9:24 pm

3 stops23h 14m

San Francisco

Wed 10/1

7:10 am-1:45 pm

3 stops21h 35m

$1,780

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

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 $276). Flying from Rennes to San Francisco in June is currently the most expensive (average of $357). 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 $1,064, Air France can have you in San Francisco from Rennes in 14h 40m. 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 $276). Flying from Rennes to San Francisco in June is currently the most expensive (average of $357). 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
Santa Cruz
Livermore
South San Francisco
Turlock
Antioch
Watsonville
Manteca
Santa Clara
Sunnyvale
Hollister
Vacaville
Foster City
Vallejo
Burlingame
Redwood City
Union City
San Leandro
San Mateo
Lathrop

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.