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Cheap flights from San Francisco to Rennes from $687

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Rennes departing on 12/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from San Francisco to Rennes

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:00 am - 10:20 amSFO-RNS
18h 20m2 stops
Delta Logo
5:30 pm - 11:50 amRNS-SFO
27h 20m1 stop
$805Delta
Find Deal
Wed, Nov 19 - Wed, Nov 26
KLM Logo
1:55 pm - 5:05 pmSFO-RNS
18h 10m1 stop
KLM Logo
5:30 pm - 11:50 amRNS-SFO
27h 20m1 stop
$806KLM
Find Deal
Wed, Nov 19 - Wed, Nov 26
Delta Logo
7:00 am - 10:20 amSFO-RNS
18h 20m2 stops
Delta Logo
11:05 am - 11:23 pmRNS-SFO
21h 18m2 stops
$820Delta
Find Deal
Wed, Nov 19 - Wed, Nov 26
Delta Logo
8:50 am - 5:05 pmSFO-RNS
24h 15m2 stops
Delta Logo
5:10 pm - 12:50 pmRNS-SFO
27h 40m1 stop
$860Delta
Find Deal
Thu, Mar 12 - Mon, Mar 16
Delta Logo
11:05 am - 5:05 pmSFO-RNS
22h 00m2 stops
Delta Logo
5:10 pm - 4:29 pmRNS-SFO
31h 19m2 stops
$871Delta
Find Deal
Thu, Mar 12 - Mon, Mar 16
Delta Logo
2:20 pm - 5:05 pmSFO-RNS
42h 45m2 stops
Delta Logo
5:10 pm - 12:50 pmRNS-SFO
27h 40m1 stop
$876Delta
Find Deal
Thu, Mar 12 - Mon, Mar 16
KLM Logo
4:40 pm - 10:35 amSFO-RNS
33h 55m1 stop
KLM Logo
5:10 pm - 12:50 pmRNS-SFO
27h 40m1 stop
$904KLM
Find Deal
Thu, Mar 12 - Mon, Mar 16
Air France Logo
7:00 am - 10:20 amSFO-RNS
19h 20m2 stops
Air France Logo
5:10 pm - 12:50 pmRNS-SFO
27h 40m1 stop
$906Air France
Find Deal
Thu, Mar 12 - Mon, Mar 16
Air France Logo
7:00 am - 10:20 amSFO-RNS
19h 20m2 stops
Air France Logo
11:05 am - 11:12 pmRNS-SFO
20h 07m2 stops
$972Air France
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Thu, Mar 12 - Mon, Mar 16
Air France Logo
1:55 pm - 5:00 pmSFO-RNS
18h 05m1 stop
Air France Logo
11:05 am - 11:14 pmRNS-SFO
21h 09m2 stops
$1,797Air France
Find Deal
Sun, Dec 21 - Tue, Jan 6

Delta flights from San Francisco to Rennes

Our best Delta deals on San Francisco to Rennes flight tickets
Delta
Nov 19
SFO7:00 amSan Francisco
18h 20m
2 stops
RNS10:20 amRennes St Jacques
Nov 26
RNS5:30 pmRennes St Jacques
27h 20m
1 stop
SFO11:50 amSan Francisco
$805
Find similar
Delta
Nov 19
SFO7:00 amSan Francisco
18h 20m
2 stops
RNS10:20 amRennes St Jacques
Nov 26
RNS11:05 amRennes St Jacques
21h 18m
2 stops
SFO11:23 pmSan Francisco
$820
Find similar
Delta
Mar 12
SFO8:50 amSan Francisco
24h 15m
2 stops
RNS5:05 pmRennes St Jacques
Mar 16
RNS5:10 pmRennes St Jacques
27h 40m
1 stop
SFO12:50 pmSan Francisco
$860
Find similar

KLM flights from San Francisco to Rennes

Our best KLM deals on San Francisco to Rennes flight tickets
KLM
Nov 19
SFO1:55 pmSan Francisco
18h 10m
1 stop
RNS5:05 pmRennes St Jacques
Nov 26
RNS5:30 pmRennes St Jacques
27h 20m
1 stop
SFO11:50 amSan Francisco
$806
Find similar
KLM
Mar 12
SFO4:40 pmSan Francisco
33h 55m
1 stop
RNS10:35 amRennes St Jacques
Mar 16
RNS5:10 pmRennes St Jacques
27h 40m
1 stop
SFO12:50 pmSan Francisco
$904
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated October 6, 2025.
Use the filters below to find and compare flights from San Francisco to Rennes that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoRennes

SFO - RNS

SFORNS

San Francisco

Wed 11/19

7:00 am-10:20 am

2 stops18h 20m

Rennes St Jacques

Wed 11/26

5:30 pm-11:50 am

1 stop27h 20m

$805

San FranciscoRennes

SFO - RNS

SFORNS

San Francisco

Wed 11/19

1:55 pm-5:05 pm

1 stop18h 10m

Rennes St Jacques

Wed 11/26

5:30 pm-11:50 am

1 stop27h 20m

$806

San FranciscoRennes

SFO - RNS

SFORNS

San Francisco

Wed 11/19

7:00 am-10:20 am

2 stops18h 20m

Rennes St Jacques

Wed 11/26

11:05 am-11:23 pm

2 stops21h 18m

$820

San FranciscoRennes

SFO - RNS

SFORNS

San Francisco

Thu 3/12

8:50 am-5:05 pm

2 stops24h 15m

Rennes St Jacques

Mon 3/16

5:10 pm-12:50 pm

1 stop27h 40m

$860

San FranciscoRennes

SFO - RNS

SFORNS

San Francisco

Thu 3/12

11:05 am-5:05 pm

2 stops22h 00m

Rennes St Jacques

Mon 3/16

5:10 pm-4:29 pm

2 stops31h 19m

$871

San FranciscoRennes

SFO - RNS

SFORNS

San Francisco

Thu 3/12

2:20 pm-5:05 pm

2 stops42h 45m

Rennes St Jacques

Mon 3/16

5:10 pm-12:50 pm

1 stop27h 40m

$876

San FranciscoRennes

SFO - RNS

SFORNS

San Francisco

Thu 3/12

4:40 pm-10:35 am

1 stop33h 55m

Rennes St Jacques

Mon 3/16

5:10 pm-12:50 pm

1 stop27h 40m

$904

San FranciscoRennes

SFO - RNS

SFORNS

San Francisco

Thu 3/12

7:00 am-10:20 am

2 stops19h 20m

Rennes St Jacques

Mon 3/16

5:10 pm-12:50 pm

1 stop27h 40m

$906

San FranciscoRennes

SFO - RNS

SFORNS

San Francisco

Thu 3/12

7:00 am-10:20 am

2 stops19h 20m

Rennes St Jacques

Mon 3/16

11:05 am-11:12 pm

2 stops20h 07m

$972

San FranciscoRennes

SFO - RNS

SFORNS

San Francisco

Sun 12/21

1:55 pm-5:00 pm

1 stop18h 05m

Rennes St Jacques

Tue 1/6

11:05 am-11:14 pm

2 stops21h 09m

$1,797

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Rennes from

How to get the cheapest flight ticket from San Francisco to Rennes

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Rennes?

On average, the least expensive day to fly to Rennes from San Francisco is on a Thursday. momondo users have found tickets for Thursday departures for as low as $1,142. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Rennes on Friday is $1,620.

What is the cheapest time of day to depart on your flight to Rennes?

Our data shows that the cheapest San Francisco to Rennes flights are usually those with departure times in the afternoon. Our users have found flights to Rennes in the afternoon for as low as $1,066. Flights in the morning are often more expensive with an average ticket price of $1,527.

When to book flights from San Francisco to Rennes

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Rennes according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Francisco to Rennes (SFO to RNS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Rennes

Direct flights

None
There are no direct flights from San Francisco to Rennes. There are no popular flight routes from San Francisco to Rennes.
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  • How far is San Francisco to Rennes St Jacques by plane?

    The distance between San Francisco and Rennes St Jacques is about 5471.9 mi. By plane, this route typically takes 18h 05m.

  • When did momondo last update prices for flights from San Francisco Airport to Rennes St Jacques Airport?

    Prices for flights from San Francisco Airport to Rennes St Jacques Airport were last updated today.

  • How many operators does momondo search for flights from San Francisco Airport to Rennes St Jacques Airport?

  • How old do you have to be to fly from San Francisco Airport to Rennes St Jacques Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Rennes St Jacques Airport.

  • What documentation or ID do you need to fly to Rennes St Jacques Airport?

    The necessary travel and health documents for your Rennes St Jacques Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from San Francisco to Rennes?

Best airlines flying from San Francisco to Rennes

Compare and see reviews for airlines that fly from San Francisco to Rennes with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $940Free CancellationRating
7.9
7,967 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Rennes?

It is quick and easy to find San Francisco to Rennes flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Rennes that suits you.

Can I find flights from San Francisco to Rennes with flexible booking policies on momondo?

momondo does allow users to show only those flights to Rennes from San Francisco which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from San Francisco to Rennes?

momondo provides multiple filters to help you find the best flight to Rennes from San Francisco. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from San Francisco to Rennes right now. Can momondo alert me if prices change?

Yes. momondo can track prices for San Francisco to Rennes flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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