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Cheap flights from London to Philadelphia

One-way from £293, found by travellers in the last 7 days. The live price is checked when you book.

Departure
Return
Prices for nearby dates
Thu, Nov 19Any priceFri, Nov 20Any priceSat, Nov 21Any priceSun, Nov 22£293Mon, Nov 23Any priceTue, Nov 24Any priceWed, Nov 25Any priceThu, Nov 26Any price

Cheapest one-way tickets

Recent finds on different dates, for 1 adult. Booking opens on Aviasales, which shows baggage, fare rules and the live price.

Cheapest
£293
Norse Atlantic UK, flight Z0 783Found 4 days ago, 1 adult
Check live price
09:40LondonSun, Nov 22
Travel time 12h 12m, 1 stopLGWPHL
16:52PhiladelphiaSun, Nov 22
£295
Ryanair, flight FR 2628Found 6 days ago, 1 adult
Check live price
08:30LondonWed, Nov 18
Travel time 15h 24m, 3 stopsSTNPHL
18:54PhiladelphiaWed, Nov 18
£353
Norse Atlantic UK, flight Z0 783Found 2 days ago, 1 adult
Check live price
09:45LondonWed, Feb 24
Travel time 13h 51m, 2 stopsLGWPHL
18:36PhiladelphiaWed, Feb 24
£390
Ryanair, flight FR 287Found 5 days ago, 1 adult
Check live price
17:10LondonMon, Nov 16
Travel time 16h 8m, 3 stopsSTNPHL
04:18PhiladelphiaTue, Nov 17
£395
easyJet, flight U2 8471Found 4 days ago, 1 adult
Check live price
08:45LondonSun, Dec 13
Travel time 10h 45m, 1 stopLGWPHL
14:30PhiladelphiaSun, Dec 13

Round trips

The cheapest return tickets found recently, price for the whole trip.

Plan the rest of the trip

  • Mobile data in United StatesTravel eSIM from $4, installed before you fly.
    Compare plans
  • Getting from the airportTransfers and car hire in Philadelphia, booked ahead at a fixed price.
    See options
  • Things to do in PhiladelphiaPopular tours from $29 per person.
    See ideas
  • Travel insuranceTravel insurance quotes for United States from EKTA; check what each policy covers.
    Get a quote
  • Flight delayed?Arrived 3+ hours late, cancelled at short notice or bumped? Up to £520 per person under UK261.
    Check

Price calendar

The lowest one-way fare found for each day over the next 60 days. A dash means no recent fare; you can still pick that day.

October 2026

MoTuWeThFrSaSu12345678910111213141516171819202122232425–26£50527–28–29–30–31–

November 2026

MoTuWeThFrSaSu1–2–3–4–5–6–7£4558–9£41410–11–12–13–14–15–16£39017–18£29519–20–21–22£29323–24–25–26–27–28–29–30–

December 2026

MoTuWeThFrSaSu1–2–3–4–5–6–7–8–9–10–11–12–13£39514–15–16–17–18–19–20–21–22–23–2425262728293031
£295 or lessGreen: the cheapest fifth of fares on this route. Lowest in these 60 days: Nov 22, £293.

Lowest fares by month

In the fares found this week, November has the lowest: from £293 one-way, against £505 in October. Pick a month to see its cheapest date.

  1. Oct£505
  2. Nov£293
  3. Dec£395
  4. Janno fares yet
  5. Feb£353
  6. Marno fares yet
  7. Aprno fares yet
  8. Mayno fares yet
  9. Junno fares yet
  10. Julno fares yet
  11. Augno fares yet
  12. Sepno fares yet
£0£200£400£600Oct£293NovDecJanFebMarAprMayJunJulAugSep
Show as a table
MonthCheapest one-wayDateStops
October£505Mon, Oct 264 stops
November£293Sun, Nov 221 stop
December£395Sun, Dec 131 stop
January 2027—
February 2027£353Wed, Feb 242 stops
March 2027—
April 2027—
May 2027—
June 2027—
July 2027—
August 2027—
September 2027—

Questions travellers ask

What is the cheapest month to fly from London to Philadelphia?

In the fares found this week, November has the lowest: from £293 one-way, against £505 in October.

Are there direct flights from London to Philadelphia?

None of the fares found recently are nonstop. The cheapest options have at least one stop.

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