Flights Philadelphia → London
As of October 2026, economy flights from Philadelphia to London have a typical range USD 1463–2362, median USD 1650. Full range across all 200 offers: USD 1234–4087. We analyzed 200 offers from 16 airlines in a single price check.
Preview snapshot — prices change. Search for live results.
Data collected by LetsFG's multi-source price checks — every airline and the major booking sites checked for this route. How we collect data →
Best offers by airline: Philadelphia → London
Based on 200 offers · October 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Philadelphia → London
Add-on pricing from the cheapest available offer per airline · October 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Iberia | Included | — | — |
| Frontier Airlines | — | — | — |
| Air Canada | Included | USD 30 | — |
| British Airways | Included | USD 65 | — |
| United | Included | USD 35 | — |
| Lufthansa | Included | USD 35 | — |
| Finnair | Included | USD 30 | — |
| Delta | Included | USD 35 | — |
| American Airlines | Included | USD 35 | — |
| KLM | Included | USD 35 | — |
| Air France | Included | USD 35 | — |
| Virgin Atlantic | Included | Included | — |
| Aer Lingus | Included | USD 30 | — |
| JetBlue | Included | Included | — |
Fees are estimates from the prices we checked and may not reflect your specific itinerary, booking class, or payment method. Run a live search for exact pricing.
How much do flights from Philadelphia to London cost?
Based on 200 offers · October 2026
Philadelphia to London flights ranged from USD 1234 to USD 4087 across 200 offers analyzed in October 2026. The chart below shows how prices distributed across all 200 offers.
These 200 offers (October 2026) span multiple departure dates and booking windows — your travel dates may fall anywhere in this distribution. Only a live search shows where your specific trip lands.
50% of offers priced between USD 1550 and USD 1734
What hidden fees do Philadelphia to London flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Philadelphia to London routes. The breakdown below is based on 200 offers analyzed in October 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| IB | 31 | 2% |
| F9 | 112 | 8% |
| AC | 41 | 3% |
| BA | 78 | 5% |
| UA | 45 | 3% |
| LH | 45 | 3% |
| AY | 32 | 2% |
| DL | 45 | 3% |
| AA | 45 | 3% |
| KL | 24 | 1% |
| AF | 37 | 2% |
| VS | 20 | 1% |
| EI | 54 | 2% |
| B6 | 10 | 0% |
Frontier Airlines: base ~USD 1215 + fees USD 112 = ~USD 1327 total. B6: base ~USD 3901 + fees USD 10 = ~USD 3911 total.
Frontier Airlines's USD 112 ancillary fees narrow the gap with B6's lower-fee model — the USD 2686 base difference shrinks to USD 2584 after fees. Always compare total cost, not just the advertised base fare.
Estimates based on median total minus average ancillary fee. Actual base fares vary by itinerary.Fee levels vary significantly across carriers on this route — some carriers charge 50%+ above the base fare in ancillary fees.
Run your search to see itemized fees for your itineraryWhich airline is cheapest from Philadelphia to London?
16 airlines flew Philadelphia to London in this dataset. Knowing the airline isn't enough — the typical fare range below shows how far prices swing on each one. Median and range include all fees we recorded.
Even on the cheapest airline (Frontier Airlines), fares ranged USD 1251–1465 in this snapshot. Your exact price depends on your dates and how far ahead you book — run a live search to see your number →
| Airline | Offers | Typical range (USD) | Median (USD) | Fees (USD) |
|---|---|---|---|---|
 Frontier Airlines | 17 | 1251–1465 | 1327 | 112 (8%) |
 American | 17 | 1463–1633 | 1470 | n/a |
 British Airways | 37 | 1489–1713 | 1570 | 78 (5%) |
 Air Canada | 32 | 1498–1725 | 1614 | 41 (3%) |
 Lufthansa | 6 | 1571–1898 | 1647 | 45 (3%) |
 Delta Air Lines | 7 | 1618–1740 | 1657 | 45 (3%) |
 United Airlines | 14 | 1525–1737 | 1697 | 45 (3%) |
 American Airlines | 15 | 1631–1730 | 1699 | 45 (3%) |
 Virgin Atlantic | 1 | — | 1713 | 20 (1%) |
 Iberia | 16 | 1574–1870 | 1715 | 31 (2%) |
 Finnair | 11 | 1573–2357 | 1765 | 32 (2%) |
 KLM | 9 | 1713–2497 | 2351 | 24 (1%) |
 Air France | 7 | 2096–2497 | 2497 | 37 (1%) |
 Aer Lingus | 8 | 2385–2532 | 2532 | 54 (2%) |
 B6 | 2 | — | 3911 | 10 (0%) |
 AM | 1 | — | 4087 | n/a |
Where do the best Philadelphia → London prices come from?
We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from meta-search sources, but the cheapest channel shifts by route and date — which is exactly why a live search across all of them wins.
We compare every airline and the major booking sites but never disclose which — that's our edge. Prices are the ones we observed and aren't official data from any platform. Run a live search and we bring you the cheapest, wherever it is.
Key facts: Philadelphia to London flights
- Full-service carriers on Philadelphia–London cost 0.8x more than budget airlines (USD 2001 vs USD 2619 median; overall median USD 1650).
- F9 charges 11.2x more in ancillary fees than B6 — USD 112 vs USD 10 avg per booking.
- The same route priced USD 1166 apart depending on where it was booked — the lowest median was USD 1331. We search every airline and the major booking sites at once so you always see that lowest price.
Frequently asked questions
- How much does a flight from Philadelphia to London cost?
- Based on 200 offers analyzed, Philadelphia to London flights range from USD 1234 to USD 4087, with a median price of USD 1650. Search for your specific dates →
- What hidden fees should I expect on Philadelphia to London flights?
- On average, ancillary fees (bags, seat selection) add USD 54 to the base fare on Philadelphia to London flights. See itemized fees for your itinerary →
- Which airline is cheapest on Philadelphia to London including all fees?
- Frontier Airlines has the lowest median fare on Philadelphia to London at USD 1327 (median across 17 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Philadelphia–London flights?
- It depends on your dates — no single site is always cheapest. We search every airline and the major booking sites at once (travel agencies and meta-search included) and surface whichever is lowest; the best median in this snapshot was USD 1331. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Philadelphia to London routes?
- Philadelphia to London has 16 airlines competing, creating a price range from USD 1234 to USD 4087 across 200 offers. Prices on this route change with booking timing, advance purchase, and ancillary add-ons. Find where your trip lands in the distribution →
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