Good to know

Low season	May	Best time to beat the crowds with an average 7% drop in price.
High season	July	Most popular time to fly with an average 19% increase in price.
Average price of a round-trip	$1226	(avg. price over the last 2 weeks)
Good deal for a round-trip	$516	or less

FAQs for booking Pennsylvania to London flights

How does KAYAK’s flight Price Forecast tool help me choose the right time to buy?

Book cheap flights from Pennsylvania to London (round-trip)

Airports

Origin

Destination

Multiple Airlines

Tue, Jun 16

16h 10m

Tue, Jun 23

15h 14m

$471

Trip: 8 days

Based on null reviews

Aer Lingus

Thu, Oct 22

10h 20m

Sun, Nov 1

13h 05m

$521

Trip: 11 days

Based on null reviews

Aer Lingus

Sat, Nov 7

9h 20m

Sat, Nov 14

32h 55m

$526

Trip: 8 days

Based on null reviews

Aer Lingus

Thu, Oct 22

10h 00m

Sun, Nov 1

12h 40m

$526

Trip: 11 days

Based on null reviews

Aer Lingus

Tue, Nov 3

14h 45m

Tue, Nov 10

11h 25m

$528

Trip: 8 days

Based on null reviews

Aer Lingus

Tue, Sep 8

11h 30m

Mon, Sep 21

14h 30m

$530

Trip: 14 days

Based on null reviews

Aer Lingus

Fri, Jun 12

13h 25m

Mon, Jun 15

14h 30m

$531

Trip: 4 days

Based on null reviews

Aer Lingus

Sat, Nov 7

11h 40m

Sat, Nov 14

28h 00m

$532

Trip: 8 days

Based on null reviews

Multiple Airlines

Tue, Sep 15

15h 10m

Thu, Sep 24

16h 55m

$533

Trip: 10 days

Based on null reviews

Aer Lingus

Tue, Nov 3

18h 05m

Tue, Nov 10

14h 25m

$536

Trip: 8 days

Based on null reviews

Aer Lingus

Tue, Sep 8

9h 55m

Mon, Sep 21

12h 35m

$544

Trip: 14 days

Based on null reviews

Aer Lingus

Sun, Jun 7

11h 30m

Sun, Jun 14

27h 30m

$545

Trip: 8 days

Based on null reviews

Aer Lingus

Fri, Jun 12

9h 55m

Mon, Jun 15

12h 35m

$545

Trip: 4 days

Based on null reviews

Aer Lingus

Tue, Sep 8

11h 30m

Tue, Sep 22

24h 45m

$546

Trip: 15 days

Based on null reviews

Aer Lingus

Fri, Jun 12

11h 15m

Mon, Jun 15

12h 25m

$547

Trip: 4 days

Based on null reviews

Aer Lingus

Thu, Sep 10

11h 30m

Tue, Sep 22

24h 45m

$547

Trip: 13 days

Based on null reviews

Multiple Airlines

Fri, Jul 3

15h 59m

Tue, Jul 7

15h 37m

$547

Trip: 5 days

Based on null reviews

Aer Lingus

Wed, Sep 23

11h 30m

Sun, Oct 4

25h 55m

$548

Trip: 12 days

Based on null reviews

Aer Lingus

Sun, Sep 13

10h 20m

Sun, Sep 20

23h 15m

$549

Trip: 8 days

Based on null reviews

Aer Lingus

Sun, Sep 13

10h 20m

Sun, Sep 20

23h 15m

$550

Trip: 8 days

Based on null reviews

Book cheap flights from Pennsylvania to London (one-way)

Airports

Origin

Destination

Aer Lingus

Wed, Jun 3

9h 20m

$205

Based on null reviews

Aer Lingus

Wed, Jun 3

10h 00m

$221

Based on null reviews

Multiple Airlines

Thu, Jun 18

15h 25m

$236

Based on null reviews

Multiple Airlines

Thu, Jul 2

13h 45m

$249

Based on null reviews

Aer Lingus

Fri, Jun 19

11h 15m

$276

Based on null reviews

Multiple Airlines

Thu, Jul 2

31h 10m

$277

Based on null reviews

Multiple Airlines

Tue, Jul 7

18h 40m

$278

Based on null reviews

Multiple Airlines

Sat, Jul 18

22h 40m

$290

Based on null reviews

Aer Lingus

Fri, Jun 19

9h 55m

$292

Based on null reviews

Multiple Airlines

Tue, Jul 7

31h 55m

$294

Based on null reviews

Multiple Airlines

Wed, Jul 15

41h 10m

$296

Based on null reviews

Multiple Airlines

Wed, Aug 5

30h 45m

$312

Based on null reviews

Multiple Airlines

Sun, Aug 2

42h 51m

$317

Based on null reviews

Multiple Airlines

Wed, Jul 15

54h 45m

$318

Based on null reviews

Multiple Airlines

Thu, Jul 16

30h 05m

$325

Based on null reviews

Multiple Airlines

Wed, Jul 15

44h 30m

$336

Based on null reviews

Aer Lingus

Mon, Jun 15

11h 30m

$337

Based on null reviews

Aer Lingus

Mon, Jun 1

11h 15m

$339

Based on null reviews

Multiple Airlines

Wed, Jul 29

58h 10m

$343

Based on null reviews

Multiple Airlines

Wed, Jul 15

26h 35m

$347

Based on null reviews

Top airlines flying from Pennsylvania to London

Scores according to KAYAK customer reviews

8.1

SWISS

Overall score based on 8,958 reviews

8.3

Boarding

7.9

Comfort

8.7

Crew

7.8

Entertainment

8.0

Food

Airline reviews

Flights to London

Return flight deals:

London - Pennsylvania

Cabin classes:

$4204

First

$3342

Business

Prem Econ

$31

Economy

Browse origins:

$1131

Allentown

$2744

Erie

$923

Harrisburg

$520

Philadelphia

$600

Pittsburgh

$876

Scranton

$617

State College

$1276

Williamsport

Browse destinations:

$543

London City

$535

London Gatwick Airport

$520

London Heathrow Airport

$713

London Luton Airport

$735

London Southend

$708

London Stansted Airport

Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Find cheap flights from Pennsylvania to London

Good to know

Low season

High season

Average price of a round-trip

Good deal for a round-trip

FAQs for booking Pennsylvania to London flights

How does KAYAK’s flight Price Forecast tool help me choose the right time to buy?

Book cheap flights from Pennsylvania to London (round-trip)

Book cheap flights from Pennsylvania to London (one-way)

Top airlines flying from Pennsylvania to London

Flights to London

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