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Iberia flights from London Heathrow Airport to Philadelphia (LHR - PHL)

LHR — PHL
14 Apr — 21 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 Heathrow to Philadelphia in 2026

Find detailed information about Iberia flights from Heathrow to Philadelphia. Explore the options provided by Iberia to plan your journey from Heathrow to Philadelphia. Data last updated 15 March 2026.

One-way from

£405

Return from

£580

Popular in

July

Cheapest in

September

Average price (all airlines)

£564
Iberia
  • Iberia
  • 3/5
  • 1 total stop
  • 24h 45m total
  • London to Philadelphia
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Iberia
  • Iberia
  • 10/6-15/6
  • 1 total stop
  • 21h 41m total
  • London to Philadelphia
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Highest demand for flights from London Heathrow to Philadelphia; 8% potential price increase.
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Best time to find cheap flights from London Heathrow to Philadelphia; 1% potential price drop.
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Average price for all London Heathrow to Philadelphia flights (one-way and round-trip).
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  • How do most travelers feel about Iberia?

    Cheapflights users who travel with Iberia (a popular airline from London Heathrow Airport to Philadelphia) have rated them a 7.0/10. This rating comes from 3,136 reviews. If you are looking to travel LHR-PHL, search your dates above.

  • Can I get a flight from London Heathrow Airport to Philadelphia on Iberia for under £605?

    Iberia offers 9 flights from London Heathrow Airport to Philadelphia for under £605. Prices vary by date and time. To see all prices and select your dates, click here.

Find Iberia flight deals from Heathrow to Philadelphia

Enter your travel dates to find the best prices.

Cheapest Iberia flights from Heathrow to Philadelphia
Explore the most affordable Iberia flight options available from Heathrow to Philadelphia. Find the lowest fares with prices last updated on 15 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£615
Wed 29/406:30
LHR
-
PHL
1 stop14h 20m
Iberia
Mon 11/522:05
PHL
-
LHR
Nonstop7h 15m
Iberia
Deal found 10/3£623
Sun 26/419:00
LHR
-
PHL
1 stop23h 55m
Iberia
Thu 14/519:35
PHL
-
LHR
Nonstop7h 15m
Iberia
Deal found 10/3£627

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

Currently, the most affordable month to book a Iberia flight from London Heathrow Airport to Philadelphia in December, with an average price of £181. Conversely, traveling with Iberia from London Heathrow Airport to Philadelphia in October will be the most expensive, with an average cost of £377. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Best time to book a flight from Heathrow to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Heathrow 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 Heathrow 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 15 March 2026.
British Airways flights from London Heathrow to Philadelphia

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 15 March 2026.
Iberia
7.0
Good
3,136 reviews
Check prices
Overview

Crew

7.7

Food

6.4

Entertainment

6.6

Comfort

6.8

Boarding

7.1

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