Quick summary
British Airways will launch a five-weekly Heathrow–Bergen service from April 15 to October 30, 2027, operating from Terminal 3, while moving Skiathos to Heathrow Terminal 5 and Perugia to London City. Its regional arm, BA Cityflyer, adds once-weekly Glasgow–Nice and Edinburgh–Split summer links.
Bergen is summer-only, not a year-round addition. Two existing London routes change airport entirely — so travelers who book by habit may arrive at the wrong terminal.
British Airways is redrawing its summer 2027 short-haul map, and for anyone who books London departures on autopilot, two routes will leave from a different airport than they did last year.
The headline addition is Bergen: five weekly flights from Heathrow Terminal 3, running April 15 to October 30, 2027. It gives the Norwegian fjords a direct Heathrow link timed for onward US connections. The reshuffle is the catch. Skiathos moves from London City to Heathrow Terminal 5, and Perugia does the reverse — Heathrow to London City — from May 1.
Book the wrong London airport and the fjords are not the problem — the check-in desk is.
Scottish travelers get the cleaner win. BA Cityflyer will fly Glasgow–Nice once weekly from mid-May to October 3, and Edinburgh–Split once weekly in two blocks: May 15 to June 19 and September 4 to October 2. All five changes apply to summer 2027 only; nothing here alters the current winter schedule.
What the summer 2027 schedule actually changes
Bergen becomes British Airways’ newest Heathrow destination, and the timing is deliberate. Monday’s departure leaves at 07:45, with Wednesday at 08:40 and Thursday, Saturday and Sunday at 08:25 — early enough to feed Heathrow’s morning transatlantic bank.
That matters because five weekly departures is not a token schedule. It is enough frequency to make Bergen a genuine connection point rather than a weekend novelty, and British Airways confirms passengers can make same-airport transfers onto its US-bound flights to New York, Boston, Miami and Chicago.
The caveat is through-ticketing.
A separate Bergen–Heathrow ticket and a separate Heathrow–US ticket are two unrelated contracts. If the first flight is late, the second is not protected, and the airline owes you nothing beyond the value of the unused leg. The schedule announcement sets out the dates and flight numbers, but it does not change how connection liability works.
Then there are the airport switches. Skiathos moves to Heathrow Terminal 5 with three weekly flights from May 20 to September 11. Perugia moves the other way, to London City, with five weekly flights from May 1 to September 28 and a flight time of roughly two hours 25 minutes, per the airline’s Perugia destination page. For a traveler who chose a route because it left from City, that is a different journey to the airport, not just a different gate.
| Route | Carrier | Frequency | Operating dates | Airport / terminal |
|---|---|---|---|---|
| Heathrow–Bergen | British Airways | 5 weekly | Apr 15 – Oct 30, 2027 | Heathrow Terminal 3 |
| Heathrow–Skiathos | British Airways | 3 weekly | May 20 – Sep 11, 2027 | Heathrow Terminal 5 |
| London City–Perugia | British Airways | 5 weekly | May 1 – Sep 28, 2027 | London City |
| Glasgow–Nice | BA Cityflyer | 1 weekly | Mid-May – Oct 3, 2027 | Glasgow |
| Edinburgh–Split | BA Cityflyer | 1 weekly | May 15 – Jun 19; Sep 4 – Oct 2, 2027 | Edinburgh |
The Scottish additions are seasonal leisure flying, and the Split schedule deserves a second look. It runs in two blocks with a gap from late June to early September — the exact window most Croatian summer trips are booked for. A traveler who assumes a continuous summer service will find no direct Edinburgh option in July or August.
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Why airlines move routes between London airports
Airlines rarely shift a route between London airports for passenger convenience. They shift it because a Heathrow slot is worth more deployed elsewhere — and Heathrow is slot-constrained, so every new arrival forces a decision about what leaves.
That is the logic behind the 2027 plan: one new Heathrow destination, two Scottish leisure links and two airport transfers, rather than capacity added everywhere at once. Seasonal flying is how carriers test demand without committing aircraft year-round. If Bergen fills, expect a longer season; if it does not, the route quietly disappears from the 2028 timetable.
For travelers, the practical split is simple. Heathrow buys network — connections, lounges, US departures. London City buys proximity to central London. The Skiathos and Perugia switches trade one for the other, and the right answer depends on whether the trip ends at the destination or continues past it.
Fares for the new routes have not been published, though Air Traveler Club’s European fare tracking flags temporary drops on UK–Scandinavia and UK–Mediterranean routes when they surface.
How to book around the 2027 airport switches
Two London routes change airport and one Scottish route has a summer gap — check these four things before you pay.
- Confirm the airport, not just the city. Skiathos departs Heathrow Terminal 5 in 2027; Perugia departs London City. Verify in British Airways’ timetable at the point of booking, not from memory.
- Book Bergen as one itinerary. Search the full British Airways routing through Heathrow rather than two separate tickets, and confirm the connection airport, terminal and minimum-connection time before payment.
- Mind the Split gap. Edinburgh–Split runs May 15–June 19 and September 4–October 2 only. A July or August Croatian trip has no direct option on this route.
- Wait for the Glasgow–Nice date to settle. The inaugural is listed as May 15 in one schedule and May 16 in another; confirm against the carrier’s timetable before locking in a departure day.
Watch: British Airways’ full summer 2027 timetable, which should confirm the Glasgow–Nice inaugural date and whether Bergen returns for winter 2027–28.
Questions? Answers.
Will the Heathrow–Bergen route run year-round?
No. British Airways lists it as a seasonal service running April 15 to October 30, 2027. Whether it returns for winter 2027–28 has not been confirmed.
Which London airport will Skiathos and Perugia use in summer 2027?
Skiathos departs Heathrow Terminal 5, three times weekly from May 20 to September 11, 2027. Perugia departs London City, five times weekly from May 1 to September 28, 2027 — the reverse of their previous arrangements.
Can I connect from Bergen to a US flight at Heathrow?
Yes, if the trip is booked as a single through-ticketed itinerary. British Airways confirms same-airport transfers onto its New York, Boston, Miami and Chicago services, but minimum-connection rules still apply and separate tickets carry no protection.