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Find cheap one-way flights from Rennes to Belfast starting at US$53.

Discover our range of affordable one-way and round-trip flights from Rennes to Belfast and kick-start your next adventure today!

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Rennes to Belfast Flight time & Schedules

Flight info.
Departure
Arrival
Weekly Schedule
  1. U28394

    09:45

    RNS

    1.0h

    09:45

    LGW

    ----TF-
  2. U2833

    19:05

    LGW

    1.5h

    20:35

    BFS

    -MTWT--
  3. U28394

    09:45

    RNS

    1.0h

    09:45

    LGW

    ----TF-
  4. U2805

    19:05

    LGW

    1.4h

    20:30

    BHD

    SMTWTFS
  5. U28394

    09:45

    RNS

    1.0h

    09:45

    LGW

    ----TF-
  6. U2016

    08:40

    LTN

    1.3h

    10:00

    BFS

    S-T--F-
  7. KL1416

    16:50

    RNS

    1.5h

    18:20

    AMS

    SMTWTFS
  8. KL951

    20:45

    AMS

    1.5h

    21:15

    BHD

    SMTWTFS
  9. U28396

    17:40

    RNS

    1.1h

    17:45

    LGW

    S-T-T--
  10. U2038

    12:30

    STN

    1.3h

    13:50

    BFS

    SMTWT--
  11. U28396

    17:40

    RNS

    1.1h

    17:45

    LGW

    S-T-T--
  12. U2629

    07:05

    LTN

    1.3h

    08:25

    BFS

    SMTWTFS
  13. U28396

    17:40

    RNS

    1.1h

    17:45

    LGW

    S-T-T--
  14. U2641

    07:15

    LTN

    1.5h

    08:45

    BHD

    S---TF-
  15. U28396

    17:40

    RNS

    1.1h

    17:45

    LGW

    S-T-T--
  16. U2823

    07:30

    LGW

    1.5h

    09:00

    BFS

    SM--TFS
  17. U28396

    17:40

    RNS

    1.1h

    17:45

    LGW

    S-T-T--
  18. U2837

    06:10

    LGW

    1.5h

    07:40

    BFS

    -----F-
  19. U24914

    17:50

    RNS

    1.3h

    19:05

    TLS

    SMTWTFS
  20. KL1454

    17:00

    TLS

    2.0h

    19:00

    AMS

    SMTWTFS
  21. KL951

    20:45

    AMS

    1.5h

    21:15

    BHD

    SMTWTFS

When is the cheapest time to book flights from Rennes to Belfast?

Explore the best time to buy affordable tickets to Belfast with our price trend chart, which predicts how flight prices will change in the coming weeks from previous data.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Rennes (RNS) to Belfast (BFS) the cheapest?

    Airlines adjust prices for flights from Rennes to Belfast based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from Rennes (RNS) to Belfast (BFS) cost?

    According to Trip.com's data, the lowest price is around $632.
  • What is the transportation method from the main airport to downtown in Belfast?

    • The distance from Belfast International Airport to downtown is about 19 km. It takes about 30 minutes by taxi.
    • The distance from George Best Belfast City Airport to downtown is about 4 km. It takes about 20 minutes by taxi.

How to find a cheap flight from Rennes to Belfast

If you don’t know some of the key things to look out for when buying flight tickets, prices can often end up sky high or, worse, sold out! We’ve carefully compiled our six most important steps to help ensure you’re getting the best deals when planning your next journey.
1
Being flexible with your dates to get the cheapest Rennes to Belfast ticket.
Tap "Date" on flight search bar to scan through the calender for Rennes to Belfast airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Mon, Mar 24 at US$53 for one-way flights.
2
Compare cheap Rennes to Belfast flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from Rennes to Belfast. The cheapest airline operating is easyJet.
3
Set up a Price Alert
By setting up a Price Alert for your Rennes to Belfast route, you can easily track the price of your airline tickets from Rennes to Belfast without manually checking every day.
4
Don't miss cheap Rennes to Belfast flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights for cheap flights. If registering a free membership, you can receive more deals for your flights.
5
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
6
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com free app and search for cheap flight tickets from Rennes to Belfast to get exclusive deals for you.

Rennes to Belfast Flight Information

Cheapest nonstop flight price$53
Off-season for travelJanuary
Peak season for travelNovember
Flight distance778.66 km
Popular airlineAir France