Iberia flights from London to Philadelphia (LON - PHL)

LON — PHL
13 Apr — 20 Apr1
1 adult
1 adult, Economy, 0 bags

Cheapflights users flying from London to Philadelphia on Iberia typically fly into Philadelphia and depart from London Heathrow. Select your dates above for pricing.

Iberia flights from London to Philadelphia in 2026

Find detailed information about Iberia flights from London to Philadelphia. Explore the options provided by Iberia to plan your journey from London to Philadelphia. Data last updated 14 March 2026.

One-way from

£400

Return from

£578

Popular in

December

Cheapest in

September

Average price (all airlines)

£608
Iberia
  • Iberia
  • 12/5
  • 1 total stop
  • 26h 00m total
  • London to Philadelphia
Iberia
  • Iberia
  • 10/6-15/6
  • 1 total stop
  • 21h 41m total
  • London to Philadelphia
Highest demand for flights from London to Philadelphia; 3% potential price increase.
Best time to find cheap flights from London to Philadelphia; 2% potential price drop.
Average price for all London to Philadelphia flights (one-way and round-trip).
  • How do most travelers feel about Iberia?

    Iberia has received a 7.0/10 rating from 3,134 Cheapflights user reviews. If you wish to plan your next trip from London to Philadelphia with Iberia, enter your preferred travel dates above!

  • Can I get a flight from London to Philadelphia on Iberia for under £678?

    Iberia offers 14 flights from London to Philadelphia for under £678. Prices vary by date and time. To see all prices and select your dates, click here.

Find Iberia flight deals from London to Philadelphia

Enter your travel dates to find the best prices.

Cheapest Iberia flights from London to Philadelphia
Explore the most affordable Iberia flight options available from London to Philadelphia. Find the lowest fares with prices last updated on 14 March 2026.

Mon 27/409:15
LHR
-
PHL
Nonstop7h 55m
Iberia
Tue 12/517:55
PHL
-
LHR
1 stop9h 05m
Iberia
Deal found 10/3£613
Wed 29/406:30
LHR
-
PHL
1 stop14h 20m
Iberia
Mon 11/522:05
PHL
-
LHR
Nonstop7h 15m
Iberia
Deal found 10/3£620
Sun 26/419:00
LHR
-
PHL
1 stop23h 55m
Iberia
Thu 14/519:35
PHL
-
LHR
Nonstop7h 15m
Iberia
Deal found 10/3£625

What is the cheapest month to book a flight from London to Philadelphia with Iberia?

Currently, the most affordable month to book a Iberia flight from London to Philadelphia in December, with an average price of £180. Conversely, traveling with Iberia from London to Philadelphia in October will be the most expensive, with an average cost of £376. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Weekly Iberia flight availability from London to Philadelphia

The most Iberia flights from LON to PHL are scheduled on a Monday (2 on average). You will have fewer Iberia flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Philadelphia ranges from 69.0 - 112.0 inches per month. July is typically the wettest month, when rainfall can reach 112.0 mm. February is typically the driest time to visit Philadelphia when rainfall is around 69.0 mm.

Temperature in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

Best time to book a flight from London to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from London with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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Fly from London to Philadelphia on another airline

Consider alternative airlines that service the Philadelphia area. Flight routes are based on user searches made on Cheapflights and were last updated on 14 March 2026.

See what others are saying about Iberia

Read reviews and see what other travellers are saying about their experiences with Iberia. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing Iberia for your next flight. Reviews last updated 14 March 2026.
Iberia
7.0
Good
3,134 reviews
Overview

Food

6.4

Entertainment

6.6

Crew

7.7

Boarding

7.1

Comfort

6.8

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