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Cheap flights from Philadelphia to Cardiff from £256

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Cardiff departing on 29/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
Voted winner of Europe's Best Travel App 2023

Find the cheapest flights from Philadelphia to Cardiff

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
17:40 - 22:20
PHL
-
CWL
23h 40m
2 stops
Multiple Airlines Logo
23:15 - 18:55
CWL
-
PHL
24h 40m
1 stop
£756Multiple Airlines
Thu, 6 Aug - Wed, 26 Aug
KLM Logo
13:15 - 09:15
PHL
-
CWL
15h 00m
2 stops
KLM Logo
17:15 - 16:17
CWL
-
PHL
28h 02m
2 stops
£763KLM
Tue, 1 Sep - Wed, 9 Sep
Multiple Airlines Logo
10:50 - 22:20
PHL
-
CWL
30h 30m
3 stops
Multiple Airlines Logo
23:15 - 21:34
CWL
-
PHL
27h 19m
3 stops
£771Multiple Airlines
Thu, 6 Aug - Wed, 26 Aug
KLM Logo
12:10 - 09:15
PHL
-
CWL
16h 05m
2 stops
KLM Logo
17:15 - 17:34
CWL
-
PHL
29h 19m
2 stops
£799KLM
Thu, 6 Aug - Wed, 26 Aug
Multiple Airlines Logo
20:25 - 06:55
PHL
-
CWL
29h 30m
1 stop
Multiple Airlines Logo
23:15 - 18:55
CWL
-
PHL
24h 40m
1 stop
£816Multiple Airlines
Thu, 6 Aug - Wed, 26 Aug
KLM Logo
18:55 - 16:45
PHL
-
CWL
16h 50m
2 stops
KLM Logo
17:15 - 16:17
CWL
-
PHL
28h 02m
2 stops
£829KLM
Tue, 1 Sep - Mon, 14 Sep
Delta Logo
18:59 - 16:45
PHL
-
CWL
16h 46m
2 stops
Delta Logo
09:45 - 22:16
CWL
-
PHL
17h 31m
2 stops
£867Delta
Thu, 6 Aug - Wed, 26 Aug
Multiple Airlines Logo
20:25 - 06:55
PHL
-
CWL
29h 30m
1 stop
Multiple Airlines Logo
23:15 - 18:03
CWL
-
PHL
23h 48m
2 stops
£972Multiple Airlines
Thu, 6 Aug - Wed, 26 Aug
Multiple Airlines Logo
10:50 - 22:20
PHL
-
CWL
30h 30m
3 stops
Multiple Airlines Logo
23:15 - 16:05
CWL
-
PHL
21h 50m
2 stops
£1,523Multiple Airlines
Thu, 6 Aug - Wed, 26 Aug

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KLM flights from Philadelphia to Cardiff

Our best KLM deals on Philadelphia to Cardiff flight tickets
KLM
1 Sept
PHL18:55Philadelphia
16h 50m
2 stops
CWL16:45Cardiff Wales
14 Sept
CWL17:15Cardiff Wales
28h 02m
2 stops
PHL16:17Philadelphia
£762
KLM
6 Aug
PHL12:10Philadelphia
16h 05m
2 stops
CWL09:15Cardiff Wales
26 Aug
CWL17:15Cardiff Wales
29h 19m
2 stops
PHL17:34Philadelphia
£799
KLM
1 Sept
PHL18:55Philadelphia
16h 50m
2 stops
CWL16:45Cardiff Wales
14 Sept
CWL17:15Cardiff Wales
28h 02m
2 stops
PHL16:17Philadelphia
£829

Delta flights from Philadelphia to Cardiff

Our best Delta deals on Philadelphia to Cardiff flight tickets
Delta
6 Aug
PHL18:59Philadelphia
16h 46m
2 stops
CWL16:45Cardiff Wales
26 Aug
CWL09:45Cardiff Wales
17h 31m
2 stops
PHL22:16Philadelphia
£867
Delta
8 Jul
PHL13:10Philadelphia
22h 35m
2 stops
CWL16:45Cardiff Wales
12 Jul
CWL09:50Cardiff Wales
20h 09m
2 stops
PHL00:59Philadelphia
£910

momondo Fare Finder

 
Customise your flight search to find flights from Philadelphia to Cardiff that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 2 July 2026.
Use the filters below to find and compare flights from Philadelphia to Cardiff that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Thu 6/8

17:40-22:20

2 stops23h 40m

Cardiff Wales

Wed 26/8

23:15-18:55

1 stop24h 40m

£756

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Tue 1/9

13:15-09:15

2 stops15h 00m

Cardiff Wales

Wed 9/9

17:15-16:17

2 stops28h 02m

£762

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Thu 6/8

10:50-22:20

3 stops30h 30m

Cardiff Wales

Wed 26/8

23:15-21:34

3 stops27h 19m

£771

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Thu 6/8

12:10-09:15

2 stops16h 05m

Cardiff Wales

Wed 26/8

17:15-17:34

2 stops29h 19m

£799

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Thu 6/8

20:25-06:55

1 stop29h 30m

Cardiff Wales

Wed 26/8

23:15-18:55

1 stop24h 40m

£816

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Tue 1/9

18:55-16:45

2 stops16h 50m

Cardiff Wales

Mon 14/9

17:15-16:17

2 stops28h 02m

£829
Fastest return journey

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Thu 6/8

18:59-16:45

2 stops16h 46m

Cardiff Wales

Wed 26/8

09:45-22:16

2 stops17h 31m

£867

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Thu 6/8

20:25-06:55

1 stop29h 30m

Cardiff Wales

Wed 26/8

23:15-18:03

2 stops23h 48m

£972

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Thu 6/8

10:50-22:20

3 stops30h 30m

Cardiff Wales

Wed 26/8

23:15-16:05

2 stops21h 50m

£1,523
Cheapest one-way

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Sat 29/8

20:37-22:00

3 stops44h 23m

£256

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

See travel insights to Cardiff from

How to get the cheapest flight ticket from Philadelphia to Cardiff

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Philadelphia to Cardiff Wales?

Delta is the most popular carrier operating from Philadelphia to Cardiff Wales

When to book flights from Philadelphia to Cardiff

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Cardiff according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Philadelphia to Cardiff (PHL to CWL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Cardiff

Fastest flight time

15h 00m

Direct flights

None
The fastest flight from Philadelphia to Cardiff takes 15h 00m
There are no direct flights from Philadelphia to Cardiff. There are no popular flight routes from Philadelphia to Cardiff.
Search flight deals

Frequently asked questions about flying from Philadelphia to Cardiff

  • How far is Philadelphia to Cardiff Wales by plane?

    The distance between Philadelphia and Cardiff Wales is about 3414.0 mi. By plane, this route typically takes 15h 00m.

  • When did momondo last update prices for flights from Philadelphia Airport to Cardiff Wales Airport?

    Prices for flights from Philadelphia Airport to Cardiff Wales Airport were last updated today.

  • How old do you have to be to fly from Philadelphia Airport to Cardiff Wales Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Philadelphia Airport to Cardiff Wales Airport.

  • What documentation or ID do you need to fly to Cardiff Wales Airport?

    The travel and health documents you'll need for your trip to Cardiff Wales Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Cardiff Wales Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Cardiff?

Book flights to Cardiff if you plan to visit one of these locations
Barry
Bridgend

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Cardiff?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Philadelphia to Cardiff . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Philadelphia to Cardiff with flexible booking policies on momondo?

All flight searches from Philadelphia to Cardiff on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Philadelphia to Cardiff?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Cardiff from Philadelphia.

I’m not ready to book a flight from Philadelphia to Cardiff right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Philadelphia to Cardiff flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Cardiff trip

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Find better results for your trip to the United Kingdom

Airports servicing Wales

Holyhead Anglesey Airport