Latest deals
When to book
FAQs
Price Alerts

Cheap flights from Philadelphia to Cardiff from $1,095

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Cardiff departing on 9/23. 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

Find the cheapest flights from Philadelphia to Cardiff

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air France Logo
12:29 pm - 4:45 pmPHL  Philadelphia-CWL Cardiff Wales
23h 16m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol
Air France Logo
5:15 pm - 10:21 pmCWL  Cardiff Wales-PHL Philadelphia
34h 06m2 stops Amsterdam Schiphol Boston Logan Intl
$1,095Air France
Wed, Sep 23 - Wed, Sep 30
Multiple Airlines Logo
8:25 pm - 10:25 pmPHL  Philadelphia-CWL Cardiff Wales
21h 00m1 stop Dublin
Multiple Airlines Logo
11:50 pm - 6:55 pmCWL  Cardiff Wales-PHL Philadelphia
24h 05m1 stop Dublin
$1,141Multiple Airlines
Wed, Sep 23 - Wed, Sep 30
KLM Logo
1:15 pm - 9:15 amPHL  Philadelphia-CWL Cardiff Wales
15h 00m2 stops Boston Logan Intl Amsterdam Schiphol
KLM Logo
5:15 pm - 4:13 pmCWL  Cardiff Wales-PHL Philadelphia
27h 58m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
$1,159KLM
Tue, Sep 1 - Mon, Sep 14
Multiple Airlines Logo
4:20 pm - 4:45 pmPHL  Philadelphia-CWL Cardiff Wales
19h 25m3 stops Toronto Pearson Intl Dublin Amsterdam Schiphol
Multiple Airlines Logo
5:15 pm - 3:41 pmCWL  Cardiff Wales-PHL Philadelphia
27h 26m3 stops Amsterdam Schiphol Dublin Toronto Pearson Intl
$1,177Multiple Airlines
Wed, Sep 23 - Wed, Sep 30
Multiple Airlines Logo
12:05 pm - 9:50 amPHL  Philadelphia-CWL Cardiff Wales
16h 45m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
Multiple Airlines Logo
10:20 am - 11:02 pmCWL  Cardiff Wales-PHL Philadelphia
17h 42m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$1,244Multiple Airlines
Tue, Dec 15 - Tue, Dec 29
Delta Logo
5:20 pm - 5:05 pmPHL  Philadelphia-CWL Cardiff Wales
18h 45m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol
Delta Logo
9:45 am - 11:56 pmCWL  Cardiff Wales-PHL Philadelphia
19h 11m2 stops Amsterdam Schiphol Minneapolis St Paul
$1,287Delta
Fri, Sep 4 - Fri, Sep 11
Multiple Airlines Logo
8:25 pm - 4:45 pmPHL  Philadelphia-CWL Cardiff Wales
15h 20m2 stops Dublin Amsterdam Schiphol
Multiple Airlines Logo
11:50 pm - 6:55 pmCWL  Cardiff Wales-PHL Philadelphia
24h 05m1 stop Dublin
$1,358Multiple Airlines
Wed, Sep 23 - Wed, Sep 30
Multiple Airlines Logo
8:25 pm - 8:55 amPHL  Philadelphia-CWL Cardiff Wales
31h 30m2 stops Dublin Malaga
Multiple Airlines Logo
10:45 pm - 6:55 pmCWL  Cardiff Wales-PHL Philadelphia
25h 10m1 stop Dublin
$1,424Multiple Airlines
Fri, Sep 4 - Fri, Sep 11
Multiple Airlines Logo
5:30 pm - 11:30 amPHL  Philadelphia-CWL Cardiff Wales
37h 00m3 stops Dublin Manchester Belfast City
Multiple Airlines Logo
12:00 pm - 4:15 pmCWL  Cardiff Wales-PHL Philadelphia
33h 15m2 stops Belfast City London Heathrow
$1,566Multiple Airlines
Tue, Dec 15 - Tue, Dec 29
Multiple Airlines Logo
8:25 pm - 11:30 amPHL  Philadelphia-CWL Cardiff Wales
34h 05m3 stops Dublin Glasgow Intl Belfast City
Multiple Airlines Logo
10:45 pm - 9:32 pmCWL  Cardiff Wales-PHL Philadelphia
27h 47m2 stops Dublin Montreal Pierre Elliott Trudeau Intl
$1,740Multiple Airlines
Fri, Sep 4 - Fri, Sep 11

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated August 9, 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 round-trip

PhiladelphiaCardiff

PHL Philadelphia - CWL Cardiff Wales

PHLCWL

Philadelphia

Wed 9/23

12:29 pm-4:45 pm

2 stops23h 16m

Cardiff Wales

Wed 9/30

5:15 pm-10:21 pm

2 stops34h 06m

$1,095

PhiladelphiaCardiff

PHL Philadelphia - CWL Cardiff Wales

PHLCWL

Philadelphia

Wed 9/23

8:25 pm-10:25 pm

1 stop21h 00m

Cardiff Wales

Wed 9/30

11:50 pm-6:55 pm

1 stop24h 05m

$1,141

PhiladelphiaCardiff

PHL Philadelphia - CWL Cardiff Wales

PHLCWL

Philadelphia

Tue 9/1

1:15 pm-9:15 am

2 stops15h 00m

Cardiff Wales

Mon 9/14

5:15 pm-4:13 pm

2 stops27h 58m

$1,159

PhiladelphiaCardiff

PHL Philadelphia - CWL Cardiff Wales

PHLCWL

Philadelphia

Wed 9/23

4:20 pm-4:45 pm

3 stops19h 25m

Cardiff Wales

Wed 9/30

5:15 pm-3:41 pm

3 stops27h 26m

$1,177
Quickest round-trip

PhiladelphiaCardiff

PHL Philadelphia - CWL Cardiff Wales

PHLCWL

Philadelphia

Tue 12/15

12:05 pm-9:50 am

2 stops16h 45m

Cardiff Wales

Tue 12/29

10:20 am-11:02 pm

2 stops17h 42m

$1,244

PhiladelphiaCardiff

PHL Philadelphia - CWL Cardiff Wales

PHLCWL

Philadelphia

Fri 9/4

5:20 pm-5:05 pm

2 stops18h 45m

Cardiff Wales

Fri 9/11

9:45 am-11:56 pm

2 stops19h 11m

$1,287

PhiladelphiaCardiff

PHL Philadelphia - CWL Cardiff Wales

PHLCWL

Philadelphia

Wed 9/23

8:25 pm-4:45 pm

2 stops15h 20m

Cardiff Wales

Wed 9/30

11:50 pm-6:55 pm

1 stop24h 05m

$1,358

PhiladelphiaCardiff

PHL Philadelphia - CWL Cardiff Wales

PHLCWL

Philadelphia

Fri 9/4

8:25 pm-8:55 am

2 stops31h 30m

Cardiff Wales

Fri 9/11

10:45 pm-6:55 pm

1 stop25h 10m

$1,424

PhiladelphiaCardiff

PHL Philadelphia - CWL Cardiff Wales

PHLCWL

Philadelphia

Tue 12/15

5:30 pm-11:30 am

3 stops37h 00m

Cardiff Wales

Tue 12/29

12:00 pm-4:15 pm

2 stops33h 15m

$1,566

PhiladelphiaCardiff

PHL Philadelphia - CWL Cardiff Wales

PHLCWL

Philadelphia

Fri 9/4

8:25 pm-11:30 am

3 stops34h 05m

Cardiff Wales

Fri 9/11

10:45 pm-9:32 pm

2 stops27h 47m

$1,740

Flights are sorted by cheapest round-trip 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 round-trip 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

16h 45m

Direct flights

None
The fastest flight from Philadelphia to Cardiff takes 16h 45m
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 straight-line distance from Philadelphia to Cardiff Wales is 3414.0 mi. In terms of flight time, this usually takes a little over 16h 45m.

  • 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 refresh daily.

  • 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.

Frequently asked questions about flying from Philadelphia to Cardiff

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

    Price Alerts will notify you by email when the price for flights to Cardiff from Philadelphia decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

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

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Traveling to a place near Cardiff?

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

Why use momondo?

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

Finding the right flight to Cardiff from Philadelphia is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Cardiff quick and easy, saving you time and money.

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

Flights from Philadelphia to Cardiff with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to Cardiff from Philadelphia. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Cardiff from Philadelphia are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Cardiff trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 9/8
Tue 9/15
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom

Fly your favorite airline to Cardiff

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Aer Lingus