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Cheap flights from San Francisco to Rennes from $449

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 8/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from San Francisco to Rennes

Cheap round-trip flights

Logo
5:40 pm - 6:10 pmSFO-RNS
15h 30m1 stop
Logo
5:40 pm - 6:13 pmRNS-SFO
33h 33m2 stops
$1,022
Find Deal
Fri, Sep 12 - Fri, Sep 19
Logo
8:30 am - 4:30 pmSFO-RNS
23h 00m3 stops
Logo
6:50 pm - 7:51 pmRNS-SFO
34h 01m3 stops
$1,148
Find Deal
Sat, Sep 13 - Sat, Sep 20
Logo
3:05 pm - 1:45 pmSFO-RNS
13h 40m1 stop
Logo
11:45 am - 12:50 pmRNS-SFO
34h 05m1 stop
$1,206
Find Deal
Mon, Oct 6 - Mon, Oct 20
Logo
3:05 pm - 1:45 pmSFO-RNS
13h 40m1 stop
Logo
11:45 am - 12:50 pmRNS-SFO
34h 05m1 stop
$1,208
Find Deal
Mon, Oct 6 - Mon, Oct 20
Air France Logo
11:41 am - 1:45 pmSFO-RNS
17h 04m2 stops
Air France Logo
11:45 am - 12:50 pmRNS-SFO
34h 05m1 stop
$1,210Air France
Find Deal
Mon, Oct 6 - Mon, Oct 20
Air France Logo
11:41 am - 1:45 pmSFO-RNS
17h 04m2 stops
Air France Logo
11:45 am - 12:50 pmRNS-SFO
34h 05m1 stop
$1,212Air France
Find Deal
Mon, Oct 6 - Mon, Oct 20
KLM Logo
1:45 pm - 4:20 pmSFO-RNS
17h 35m1 stop
KLM Logo
10:45 am - 6:15 pmRNS-SFO
16h 30m1 stop
$1,230KLM
Find Deal
Fri, Sep 12 - Fri, Sep 19
Delta Logo
8:55 am - 4:20 pmSFO-RNS
22h 25m2 stops
Delta Logo
6:30 am - 8:28 pmRNS-SFO
22h 58m2 stops
$1,244Delta
Find Deal
Fri, Sep 12 - Fri, Sep 19
Delta Logo
12:45 am - 9:35 amSFO-RNS
23h 50m2 stops
Delta Logo
7:10 am - 12:50 pmRNS-SFO
14h 40m1 stop
$1,257Delta
Find Deal
Fri, Sep 12 - Sat, Sep 20
KLM Logo
1:45 pm - 4:30 pmSFO-RNS
17h 45m1 stop
KLM Logo
7:10 am - 12:50 pmRNS-SFO
14h 40m1 stop
$1,269KLM
Find Deal
Sat, Sep 13 - Sat, Sep 20

Air France flights from San Francisco to Rennes

Our best Air France deals on San Francisco to Rennes flight tickets
Air France
Oct 6
SFO11:41 amSan Francisco
17h 04m
2 stops
RNS1:45 pmRennes St Jacques
Oct 20
RNS11:45 amRennes St Jacques
34h 05m
1 stop
SFO12:50 pmSan Francisco
$1,210
Find similar
Air France
Oct 6
SFO11:41 amSan Francisco
17h 04m
2 stops
RNS1:45 pmRennes St Jacques
Oct 20
RNS11:45 amRennes St Jacques
34h 05m
1 stop
SFO12:50 pmSan Francisco
$1,212
Find similar
Air France
Oct 6
SFO11:35 amSan Francisco
17h 10m
2 stops
RNS1:45 pmRennes St Jacques
Oct 20
RNS11:45 amRennes St Jacques
34h 05m
1 stop
SFO12:50 pmSan Francisco
$1,213
Find similar

Delta flights from San Francisco to Rennes

Our best Delta deals on San Francisco to Rennes flight tickets
Delta
Sep 12
SFO8:55 amSan Francisco
22h 25m
2 stops
RNS4:20 pmRennes St Jacques
Sep 19
RNS6:30 amRennes St Jacques
22h 58m
2 stops
SFO8:28 pmSan Francisco
$1,244
Find similar
Delta
Sep 12
SFO12:45 amSan Francisco
23h 50m
2 stops
RNS9:35 amRennes St Jacques
Sep 20
RNS7:10 amRennes St Jacques
14h 40m
1 stop
SFO12:50 pmSan Francisco
$1,257
Find similar
Delta
Sep 12
SFO12:45 amSan Francisco
23h 50m
2 stops
RNS9:35 amRennes St Jacques
Sep 20
RNS7:10 amRennes St Jacques
19h 08m
2 stops
SFO5:18 pmSan Francisco
$1,267
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 July 31, 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

Fri 9/12

5:40 pm-6:10 pm

1 stop15h 30m

Rennes St Jacques

Fri 9/19

5:40 pm-6:13 pm

2 stops33h 33m

$1,022

San FranciscoRennes

SFO - RNS

SFORNS

San Francisco

Sat 9/13

8:30 am-4:30 pm

3 stops23h 00m

Rennes St Jacques

Sat 9/20

6:50 pm-7:51 pm

3 stops34h 01m

$1,148

San FranciscoRennes

SFO - RNS

SFORNS

San Francisco

Mon 10/6

3:05 pm-1:45 pm

1 stop13h 40m

Rennes St Jacques

Mon 10/20

11:45 am-12:50 pm

1 stop34h 05m

$1,206

San FranciscoRennes

SFO - RNS

SFORNS

San Francisco

Mon 10/6

3:05 pm-1:45 pm

1 stop13h 40m

Rennes St Jacques

Mon 10/20

11:45 am-12:50 pm

1 stop34h 05m

$1,208

San FranciscoRennes

SFO - RNS

SFORNS

San Francisco

Mon 10/6

11:41 am-1:45 pm

2 stops17h 04m

Rennes St Jacques

Mon 10/20

11:45 am-12:50 pm

1 stop34h 05m

$1,210

San FranciscoRennes

SFO - RNS

SFORNS

San Francisco

Mon 10/6

11:41 am-1:45 pm

2 stops17h 04m

Rennes St Jacques

Mon 10/20

11:45 am-12:50 pm

1 stop34h 05m

$1,212

San FranciscoRennes

SFO - RNS

SFORNS

San Francisco

Fri 9/12

1:45 pm-4:20 pm

1 stop17h 35m

Rennes St Jacques

Fri 9/19

10:45 am-6:15 pm

1 stop16h 30m

$1,230

San FranciscoRennes

SFO - RNS

SFORNS

San Francisco

Fri 9/12

8:55 am-4:20 pm

2 stops22h 25m

Rennes St Jacques

Fri 9/19

6:30 am-8:28 pm

2 stops22h 58m

$1,244

San FranciscoRennes

SFO - RNS

SFORNS

San Francisco

Fri 9/12

12:45 am-9:35 am

2 stops23h 50m

Rennes St Jacques

Sat 9/20

7:10 am-12:50 pm

1 stop14h 40m

$1,257

San FranciscoRennes

SFO - RNS

SFORNS

San Francisco

Sat 9/13

1:45 pm-4:30 pm

1 stop17h 45m

Rennes St Jacques

Sat 9/20

7:10 am-12:50 pm

1 stop14h 40m

$1,269

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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

Best Price Found

$449

Fastest flight time

13h 40m

Direct flights

None

Airports in Rennes

1 airport
The best one-way flight to Rennes from San Francisco in the past 72 hours is $449. The best round-trip flight deal from San Francisco to Rennes found on momondo in the last 72 hours is $1,022.
The fastest flight from San Francisco to Rennes takes 13h 40m
There are no direct flights from San Francisco to Rennes. Popular non-direct route for this connection is San Francisco Airport - Rennes St Jacques Airport.
There is 1 airport near Rennes: Rennes St Jacques (RNS)
Search flight deals

  • 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 13h 40m.

  • 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
8.0
7,981 reviews
Search Delta flights
KLMPriceFrom $1,279Free CancellationRating
7.8
1,383 reviews
Search KLM 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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