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$911+ 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
RNS — SFO
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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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 July 29, 2025.

Round-trip from

$911
(KLM)
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 July 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.
Thu 9/1111:45 amRNS - SFO
1 stop15h 30mKLM
Thu 9/183:05 pmSFO - RNS
1 stop13h 50mKLM
Deal found 7/28$911
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.
Thu 9/1111:45 amRNS - SFO
2 stops20h 44mDelta
Thu 9/189:54 amSFO - RNS
2 stops19h 01mDelta
Deal found 7/28$1,103
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1111:45 amRNS - SFO
1 stop35h 05mMultiple Airlines
Fri 8/1510:07 pmSFO - RNS
2 stops51h 58mMultiple Airlines
Deal found 7/27$1,324

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 July 29, 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

Thu 9/11

11:45 am-6:15 pm

1 stop15h 30m

San Francisco

Thu 9/18

3:05 pm-1:55 pm

1 stop13h 50m

$911

RennesSan Francisco

RNS - SFO

RNSSFO

Rennes St Jacques

Thu 9/11

11:45 am-11:29 pm

2 stops20h 44m

San Francisco

Thu 9/18

9:54 am-1:55 pm

2 stops19h 01m

$1,103

RennesSan Francisco

RNS - SFO

RNSSFO

Rennes St Jacques

Mon 8/11

11:45 am-1:50 pm

1 stop35h 05m

San Francisco

Fri 8/15

10:07 pm-11:05 am

2 stops51h 58m

$1,324

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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 $358). 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.

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated July 29, 2025.
Get a feel of what it's like to fly with Delta and KLM from Rennes to San Francisco by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,979 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,979 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • What are the cheapest airlines flying from Rennes to San Francisco round-trip?

    Cheapflights users have booked flights from Rennes to San Francisco round-trip from $911. Another airline that can offer you cheap pricing is Delta.

  • 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 $358). 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
Mountain View
Santa Cruz
South San Francisco
Livermore
Turlock
Manteca
Antioch
Hollister
Watsonville
Sunnyvale
Newark
Milpitas
Campbell
Foster City
Capitola
Santa Clara
San Leandro
Burlingame
Redwood City

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