€137 Cheap Flights Rennes to London (RNS-LHR)

View €137 flight on Wed, 17 Jun 2026Opens in a new window

Popular airlines from Rennes (RNS-Saint-Jacques) to Heathrow Airport (LHR)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 15% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap flights from Rennes to London (RNS-LHR)

Prices were available within the past 7 days and start at €137 for one-way flights and €336 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air France
Tue, 22 Dec - Sat, 26 Dec
RNS
Rennes
LHR
London
€336 Return, found 3 days ago
€336
Return
found 3 days ago
Select Air France flight, departing Tue, 22 Dec from Rennes to London, returning Sat, 26 Dec, priced at €336 found 3 days ago
KLM
Tue, 22 Dec - Sat, 26 Dec
RNS
Rennes
LHR
London
€347 Return, found 3 days ago
€347
Return
found 3 days ago
Select KLM flight, departing Tue, 22 Dec from Rennes to London, returning Sat, 26 Dec, priced at €347 found 3 days ago
Air France
Tue, 22 Dec - Sat, 26 Dec
RNS
Rennes
LHR
London
€349 Return, found 3 days ago
€349
Return
found 3 days ago
Select Air France flight, departing Tue, 22 Dec from Rennes to London, returning Sat, 26 Dec, priced at €349 found 3 days ago
Air France
Tue, 22 Dec - Sat, 26 Dec
RNS
Rennes
LHR
London
€351 Return, found 3 days ago
€351
Return
found 3 days ago
Select Air France flight, departing Tue, 22 Dec from Rennes to London, returning Sat, 26 Dec, priced at €351 found 3 days ago
Air France
Tue, 22 Dec - Sat, 26 Dec
RNS
Rennes
LHR
London
€355 Return, found 3 days ago
€355
Return
found 3 days ago
Select Air France flight, departing Tue, 22 Dec from Rennes to London, returning Sat, 26 Dec, priced at €355 found 3 days ago
Air France
Tue, 22 Dec - Sat, 26 Dec
RNS
Rennes
LHR
London
€360 Return, found 3 days ago
€360
Return
found 3 days ago
Select Air France flight, departing Tue, 22 Dec from Rennes to London, returning Sat, 26 Dec, priced at €360 found 3 days ago
Air France
Tue, 22 Dec - Sat, 26 Dec
RNS
Rennes
LHR
London
€362 Return, found 3 days ago
€362
Return
found 3 days ago
Select Air France flight, departing Tue, 22 Dec from Rennes to London, returning Sat, 26 Dec, priced at €362 found 3 days ago
Air France
Tue, 22 Dec - Sat, 26 Dec
RNS
Rennes
LHR
London
€364 Return, found 3 days ago
€364
Return
found 3 days ago
Select Air France flight, departing Tue, 22 Dec from Rennes to London, returning Sat, 26 Dec, priced at €364 found 3 days ago
KLM
Tue, 22 Dec - Sat, 26 Dec
RNS
Rennes
LHR
London
€366 Return, found 3 days ago
€366
Return
found 3 days ago
Select KLM flight, departing Tue, 22 Dec from Rennes to London, returning Sat, 26 Dec, priced at €366 found 3 days ago
KLM
Fri, 12 Jun - Sun, 14 Jun
RNS
Rennes
LHR
London
€367 Return, found 18 hours ago
€367
Return
found 18 hours ago
Select KLM flight, departing Fri, 12 Jun from Rennes to London, returning Sun, 14 Jun, priced at €367 found 18 hours ago

Frequently asked questions

How much is a flight from RNS to Heathrow Airport?
If you're planning on travelling between Rennes–Saint-Jacques Airport and LHR, round-trip flights start from €336. This price is based on fares advertised within the last 7 days on Expedia for flights departing within the next year, so don't wait around. Book now and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from RNS to Heathrow Airport?
The majority of flights can be cancelled online, but each air carrier has its own terms and conditions. If you do have to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from Saint-Jacques Airport (RNS) to LHR that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for RNS to Heathrow Airport (LHR) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Rennes–Saint-Jacques Airport to LHR?
It's only 390 kilometres between Saint-Jacques-de-la-Lande and Hounslow. It's quite possible that you'll spend more time travelling to and from the airport than actually flying!
Which airlines fly direct from RNS to Heathrow Airport?
If you want to travel straight from RNS to Heathrow Airport (LHR), you'll have to book a flight with at least one stop. Unfortunately, there are no airlines that fly directly between these airports.
Are Rennes–Saint-Jacques Airport to London Heathrow flight tickets cheaper when they're purchased at the last minute?
It is possible to nab a great last-minute deal from Rennes–Saint-Jacques Airport to Heathrow Airport, but it's also possible to miss out altogether! As many airlines advertise prices up to a year in advance, it's worth keeping an eye on fares early and being ready to book when you spot a bargain. Expedia compares carrier prices and updates flight deals often, so you can rest assured you're always seeing the latest offers.

Travel information

Origin airport
Saint-Jacques
Destination airport
Heathrow
Airlines serving
Air France, KLM
Return price
€336
Distance
387 km

Explore a world of travel with Expedia

*Available to Expedia members.