$211 Cheap Flights from Rennes (RNS) to Dublin (DUB)

View $211 flight on Sat, Nov 8, 2025Opens in a new window

Popular airlines from Rennes (RNS-Saint-Jacques) to Dublin Airport (DUB)

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Cheap Flights from Rennes to Dublin (RNS-DUB)

Prices were available within the past 7 days and start at $211 for one-way flights and $383 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Sat, Nov 8 - Sun, Nov 9
RNS
Rennes
DUB
Dublin
$383 Roundtrip, found 6 days ago
$383
Roundtrip
found 6 days ago
Select KLM flight, departing Sat, Nov 8 from Rennes to Dublin, returning Sun, Nov 9, priced at $383 found 6 days ago
KLM
Sat, Nov 8 - Sun, Nov 9
RNS
Rennes
DUB
Dublin
$413 Roundtrip, found 6 days ago
$413
Roundtrip
found 6 days ago
Select KLM flight, departing Sat, Nov 8 from Rennes to Dublin, returning Sun, Nov 9, priced at $413 found 6 days ago
KLM
Mon, Oct 20 - Mon, Oct 27
RNS
Rennes
DUB
Dublin
$440 Roundtrip, found 6 days ago
$440
Roundtrip
found 6 days ago
Select KLM flight, departing Mon, Oct 20 from Rennes to Dublin, returning Mon, Oct 27, priced at $440 found 6 days ago
KLM
Mon, Oct 20 - Mon, Oct 27
RNS
Rennes
DUB
Dublin
$442 Roundtrip, found 6 days ago
$442
Roundtrip
found 6 days ago
Select KLM flight, departing Mon, Oct 20 from Rennes to Dublin, returning Mon, Oct 27, priced at $442 found 6 days ago
KLM
Mon, Oct 20 - Mon, Oct 27
RNS
Rennes
DUB
Dublin
$448 Roundtrip, found 6 days ago
$448
Roundtrip
found 6 days ago
Select KLM flight, departing Mon, Oct 20 from Rennes to Dublin, returning Mon, Oct 27, priced at $448 found 6 days ago
KLM
Mon, Oct 20 - Mon, Oct 27
RNS
Rennes
DUB
Dublin
$450 Roundtrip, found 6 days ago
$450
Roundtrip
found 6 days ago
Select KLM flight, departing Mon, Oct 20 from Rennes to Dublin, returning Mon, Oct 27, priced at $450 found 6 days ago
KLM
Mon, Oct 20 - Mon, Oct 27
RNS
Rennes
DUB
Dublin
$460 Roundtrip, found 6 days ago
$460
Roundtrip
found 6 days ago
Select KLM flight, departing Mon, Oct 20 from Rennes to Dublin, returning Mon, Oct 27, priced at $460 found 6 days ago
KLM
Mon, Oct 20 - Mon, Oct 27
RNS
Rennes
DUB
Dublin
$467 Roundtrip, found 6 days ago
$467
Roundtrip
found 6 days ago
Select KLM flight, departing Mon, Oct 20 from Rennes to Dublin, returning Mon, Oct 27, priced at $467 found 6 days ago
KLM
Mon, Oct 20 - Mon, Oct 27
RNS
Rennes
DUB
Dublin
$473 Roundtrip, found 6 days ago
$473
Roundtrip
found 6 days ago
Select KLM flight, departing Mon, Oct 20 from Rennes to Dublin, returning Mon, Oct 27, priced at $473 found 6 days ago
Air France
Sat, Nov 8 - Sun, Nov 9
RNS
Rennes
DUB
Dublin
$496 Roundtrip, found 6 days ago
$496
Roundtrip
found 6 days ago
Select Air France flight, departing Sat, Nov 8 from Rennes to Dublin, returning Sun, Nov 9, priced at $496 found 6 days ago

Frequently asked questions

How much does a flight from Saint-Jacques Airport (RNS) to Dublin Airport (DUB) cost?
Snag a cheap one-way flight from $211 or cheap return flight from $383 from Saint-Jacques Airport (RNS) to Dublin Airport (DUB) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Saint-Jacques Airport (RNS) to Dublin Airport (DUB)?
November is the most affordable month to fly from RNS to DUB. Traveling during an off-peak travel window is often the key to landing a great deal.
What is the cheapest airline that flies from Saint-Jacques Airport (RNS) to Dublin Airport (DUB)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest RNS to DUB flight.
How many flights per day from Saint-Jacques Airport (RNS) to Dublin Airport (DUB)?
You'll have to hop on a flight with a layover if you're traveling from Saint-Jacques Airport (RNS) to Dublin Airport (DUB). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from RNS to DUB?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* However, this can change based on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Saint-Jacques Airport (RNS) to Dublin Airport (DUB)?
To arrive at Dublin Airport (DUB) on schedule, choose a flight that leaves Saint-Jacques Airport (RNS) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Saint-Jacques Airport (RNS) to Dublin Airport (DUB) last-minute?
Booking your flight from RNS to DUB shortly before your journey is typically more expensive. But if there's some wiggle room with your itinerary, you could grab a cheap last-minute fare.
Is it cheaper to book a RNS to DUB flight and hotel package?
Compared with arranging flights and hotels separately, booking a RNS to DUB flight and hotel package with Expedia could result in significant savings. Better still, having it all in one place will take the hassle out of planning your trip. Simply pick your flights and select from our extensive range of hotels, then tailor your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Saint-Jacques Airport (RNS) to Dublin Airport (DUB)?
You can usually cancel or reschedule your RNS to DUB flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Saint-Jacques
Destination airport
Dublin
Roundtrip price
$383
Distance
419 mi

Book with confidence

Rennes to Dublin Flights

The cheapest times to fly from Rennes to Dublin

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Rennes to Dublin are during the month of November. You can find some of the cheapest flights from Rennes to Dublin with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Rennes to Dublin

Sunday is one of the best days to book for cheap flights from Rennes to Dublin: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Rennes to Dublin

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Rennes to Dublin in 2025. You can also book with separate airlines for your outbound and return journeys, from $211 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Rennes to Dublin flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Rennes to Dublin airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Rennes to Dublin Flights
*Available to One Key members.