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Cheap flights from Philadelphia to Cardiff from £810

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Cardiff departing on 7/5. 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
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Find the cheapest flights from Philadelphia to Cardiff

Cheap return flights

Enter your travel dates to find the best prices.
KLM Logo
13:44 - 09:15
PHL
-
CWL
14h 31m
2 stops
KLM Logo
09:45 - 00:57
CWL
-
PHL
20h 12m
2 stops
£810KLM
Thu, 7 May - Thu, 14 May
KLM Logo
13:44 - 09:15
PHL
-
CWL
14h 31m
2 stops
KLM Logo
09:45 - 00:57
CWL
-
PHL
20h 12m
2 stops
£818KLM
Thu, 7 May - Thu, 14 May
Multiple Airlines Logo
20:25 - 22:20
PHL
-
CWL
20h 55m
1 stop
Multiple Airlines Logo
09:00 - 18:55
CWL
-
PHL
38h 55m
2 stops
£875Multiple Airlines
Thu, 7 May - Thu, 14 May
Multiple Airlines Logo
20:25 - 06:55
PHL
-
CWL
29h 30m
1 stop
Multiple Airlines Logo
22:50 - 18:55
CWL
-
PHL
25h 05m
1 stop
£892Multiple Airlines
Thu, 7 May - Thu, 14 May
Multiple Airlines Logo
20:25 - 06:55
PHL
-
CWL
29h 30m
1 stop
Multiple Airlines Logo
22:50 - 18:55
CWL
-
PHL
25h 05m
1 stop
£906Multiple Airlines
Thu, 7 May - Thu, 14 May
Multiple Airlines Logo
18:31 - 06:55
PHL
-
CWL
31h 24m
2 stops
Multiple Airlines Logo
22:50 - 18:55
CWL
-
PHL
25h 05m
1 stop
£911Multiple Airlines
Thu, 7 May - Thu, 14 May
Multiple Airlines Logo
11:36 - 22:20
PHL
-
CWL
29h 44m
3 stops
Multiple Airlines Logo
22:50 - 09:49
CWL
-
PHL
39h 59m
3 stops
£1,064Multiple Airlines
Thu, 7 May - Thu, 14 May
Multiple Airlines Logo
17:40 - 22:20
PHL
-
CWL
23h 40m
2 stops
Multiple Airlines Logo
17:15 - 18:55
CWL
-
PHL
30h 40m
3 stops
£1,066Multiple Airlines
Thu, 7 May - Thu, 14 May
Multiple Airlines Logo
10:25 - 09:15
PHL
-
CWL
17h 50m
2 stops
Multiple Airlines Logo
17:15 - 21:33
CWL
-
PHL
33h 18m
3 stops
£1,083Multiple Airlines
Thu, 7 May - Thu, 14 May
Multiple Airlines Logo
10:05 - 09:15
PHL
-
CWL
18h 10m
3 stops
Multiple Airlines Logo
17:15 - 21:33
CWL
-
PHL
33h 18m
3 stops
£1,085Multiple Airlines
Thu, 7 May - Thu, 14 May

KLM flights from Philadelphia to Cardiff

Our best KLM deals on Philadelphia to Cardiff flight tickets
KLM
7 May
PHL13:44Philadelphia
14h 31m
2 stops
CWL09:15Cardiff Wales
14 May
CWL09:45Cardiff Wales
20h 12m
2 stops
PHL00:57Philadelphia
£810
KLM
7 May
PHL13:44Philadelphia
14h 31m
2 stops
CWL09:15Cardiff Wales
14 May
CWL09:45Cardiff Wales
20h 12m
2 stops
PHL00:57Philadelphia
£818
KLM
28 Mar
PHL13:15Philadelphia
15h 00m
2 stops
CWL08:15Cardiff Wales
30 Mar
CWL17:15Cardiff Wales
28h 18m
2 stops
PHL16:33Philadelphia
£1,055

Delta flights from Philadelphia to Cardiff

Our best Delta deals on Philadelphia to Cardiff flight tickets
Delta
30 Mar
PHL18:54Philadelphia
33h 21m
2 stops
CWL09:15Cardiff Wales
6 Apr
CWL09:45Cardiff Wales
35h 48m
2 stops
PHL16:33Philadelphia
£829
Delta
29 Mar
PHL06:00Philadelphia
22h 15m
2 stops
CWL09:15Cardiff Wales
6 Apr
CWL09:45Cardiff Wales
40h 38m
2 stops
PHL21:23Philadelphia
£830
Delta
28 Mar
PHL17:18Philadelphia
34h 57m
2 stops
CWL08:15Cardiff Wales
6 Apr
CWL09:45Cardiff Wales
35h 48m
2 stops
PHL16:33Philadelphia
£835

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 27 March 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
Fastest return journey

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Thu 7/5

13:44-09:15

2 stops14h 31m

Cardiff Wales

Thu 14/5

09:45-00:57

2 stops20h 12m

£810

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Thu 7/5

13:44-09:15

2 stops14h 31m

Cardiff Wales

Thu 14/5

09:45-00:57

2 stops20h 12m

£818

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Thu 7/5

20:25-22:20

1 stop20h 55m

Cardiff Wales

Thu 14/5

09:00-18:55

2 stops38h 55m

£875

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Thu 7/5

20:25-06:55

1 stop29h 30m

Cardiff Wales

Thu 14/5

22:50-18:55

1 stop25h 05m

£892

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Thu 7/5

20:25-06:55

1 stop29h 30m

Cardiff Wales

Thu 14/5

22:50-18:55

1 stop25h 05m

£906

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Thu 7/5

18:31-06:55

2 stops31h 24m

Cardiff Wales

Thu 14/5

22:50-18:55

1 stop25h 05m

£911

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Thu 7/5

11:36-22:20

3 stops29h 44m

Cardiff Wales

Thu 14/5

22:50-09:49

3 stops39h 59m

£1,064

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Thu 7/5

17:40-22:20

2 stops23h 40m

Cardiff Wales

Thu 14/5

17:15-18:55

3 stops30h 40m

£1,066

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Thu 7/5

10:25-09:15

2 stops17h 50m

Cardiff Wales

Thu 14/5

17:15-21:33

3 stops33h 18m

£1,083

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Thu 7/5

10:05-09:15

3 stops18h 10m

Cardiff Wales

Thu 14/5

17:15-21:33

3 stops33h 18m

£1,085

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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

14h 31m

Direct flights

None
The fastest flight from Philadelphia to Cardiff takes 14h 31m
There are no direct flights from Philadelphia to Cardiff. There are no popular flight routes from Philadelphia to Cardiff.
Search flight deals

  • 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 14h 31m.

  • 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.

  • How do I get Price Alerts for flights from Philadelphia to Cardiff?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Philadelphia from Cardiff. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Philadelphia to Cardiff with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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