Are direct flights from Cardiff to London always the best option?

Direct flights offer convenience and save time by avoiding layovers. However, connecting flights can sometimes be more affordable, depending on the route and airline. The 'best' option often depends on your priorities, whether it's cost savings or travel time.

Can flexible travel dates help on Cardiff to London flights?

Yes, being flexible with your travel dates can often lead to finding more economical flight options. Prices can vary significantly between different days of the week or even specific times of day. Adjusting your itinerary by a day or two might result in better deals.

What extra costs should I check before booking Cardiff to London flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines may also charge for printing boarding passes at the airport. Factor these into your total travel budget to avoid surprises.

Flights From Cardiff

To London

Cheap Flights from Cardiff to London

Browse current best options from Cardiff. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Cardiff

RatePunk searches hundreds of travel sites at once for deals on flights to London

Prices updated 2 days ago

405 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 26, 2026.)

Today’s best flight deals from Cardiff to London

Explore current cheapest deals departing from Cardiff to London

2026-08-19 – 2026-08-25
CWL - London
73% AI deal score
£190
£75
Round trip
2026-09-07 – 2026-09-14
CWL - London
70% AI deal score
£164
£75
Round trip
2026-09-11 – 2026-09-17
CWL - London
71% AI deal score
£183
£76
Round trip
2026-08-21 – 2026-08-27
CWL - London
72% AI deal score
£188
£77
Round trip
2026-09-04 – 2026-09-11
CWL - London
74% AI deal score
£159
£77
Round trip
2026-10-01 – 2026-10-08
CWL - London
74% AI deal score
£166
£80
Round trip
2026-08-05 – 2026-08-12
CWL - London
72% AI deal score
£203
£81
Round trip
2026-08-12 – 2026-08-18
CWL - London
72% AI deal score
£210
£82
Round trip
2026-09-08 – 2026-09-15
CWL - London
74% AI deal score
£164
£82
Round trip
2026-09-25 – 2026-09-30
CWL - London
70% AI deal score
£187
£83
Round trip

Cardiff to London: Overview

Insights for flights from Cardiff to London

A typical journey from Cardiff to London takes about 16h 33m, including connections. This extended duration reflects that most itineraries connect at least once, with a median of 2 stopovers for connecting flights. This is a short-haul route, covering a distance of 253 kilometers.

If you are looking for cheap flights from Cardiff to London, right now, fares are above the typical level. Prices for this route typically range from $199–$351, with a median of $278. Currently, 17% of recent fares are classified as a good price, and new deals appear almost daily.

When is the cheapest time to fly from Cardiff to London? The most affordable month to fly is typically December, with a median fare of just $121. Following closely, September also offers competitive prices, with a median fare of $150. Even in July, you can find relatively good value, with a median fare of $232.

How much is a round trip from Cardiff to London

Regular price: £148 - £360

Prices for flights from Cardiff to London are currently below the regular range.

The regular price range for flights from Cardiff to London is typically between 148 GBP and 360 GBP. Currently, the lowest deal found is 75 GBP with Ryanair, for travel from Aug 19-Aug 25.

now £75

Low £148

High £360

The cheapest time to fly from Cardiff to London

The cheapest month to fly from Cardiff to London is December, with a median price of $139. The most expensive month is February, with a median price of $455. Prices are generally lower from May to December.

December

Cheapest

Flights from £139

February

Most Expensive

Flights from £455

Feb

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Cardiff to London

Ryanair

Vueling Airlines

TUI Airways

easyJet UK

Last-minute flights going from Cardiff to London

Sun, Jul 26

⌛ Last-Minute

CWL - London

Cardiff (CWL) - London (LGW)

Ryanair

£254

£168

One-way

Mon, Jul 27

⌛ Last-Minute

CWL - London

Cardiff (CWL) - London (LGW)

Ryanair

£255

£215

One-way

Mon, Jul 27

⌛ Last-Minute

CWL - London

Cardiff (CWL) - London (STN)

Ryanair

£235

£231

One-way

Tue, Jul 28

⌛ Last-Minute

CWL - London

Cardiff (CWL) - London (LGW)

Ryanair

£253

£149

One-way

Tue, Jul 28

⌛ Last-Minute

CWL - London

Cardiff (CWL) - London (LGW)

Ryanair

£253

£151

One-way

Tue, Jul 28

⌛ Last-Minute

CWL - London

Cardiff (CWL) - London (LTN)

Ryanair

£231

£161

One-way

Biggest price drops on these dates for flights from Cardiff to London

2 nights

Aug 12 - Aug 14

£229 → £87

62%

2 nights

Aug 3 - Aug 5

£278 → £137

51%

5 nights

Aug 5 - Aug 10

£241 → £106

56%

7 nights

Aug 4 - Aug 11

£217 → £88

60%

Popular Airports to fly from Cardiff to London

Cardiff - London route insights

💸 Price insights

Recent fares are above the typical level

Recent fares from Cardiff to London are above the typical level at $75.

📅 Best time to fly

Fly in December for the best prices

Historically, December is the cheapest month to fly from Cardiff to London, with a median price of $139.

⏱️ Flight duration

Connecting flights average 16h 33m

Connecting flights from Cardiff to London typically take 16h 33m, with 2 stopovers.

✈️ Airlines & availability

Connecting flights are dominant

No direct flights are available. Connecting flights are offered by multiple airlines.

🏆 Airline highlight

Ryanair offers connecting flights

Ryanair has 84 connecting deals from Cardiff to London, making it a frequent option.

🎯 Booking tip

Deals are frequent on this route

Deals on flights from Cardiff to London are frequent, appearing often in a 30-day window.

Cardiff main airports to depart from

Cardiff (CWL)

Cheapest

Cardiff Airport is a convenient departure point for flights to London, offering competitive prices.

📍 ~15 km from Cardiff (reachable by car)

💸 Flights from ~£69

London main airports to arrive at

London Stansted (STN)

Cheapest

London Stansted is a good option for flights to London, offering a balance of price and convenience.

📍 ~49 km from London city center (reachable by car)

💸 Flights from ~£69

Airports nearby London used as alternative

Birmingham (BHX)

Birmingham Airport is a major international hub, offering a wide variety of short and long-haul destinations.

📍 ~160 km from London (reachable by direct train)

💸 Flights from ~£71

Business & First Class Flight Deals to London

Discover luxury on the budget with premium cabin class on flights from Cardiff to London.

Elite

Best Elite deals to London

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From CWL

Elite

Sep 19

London, United Kingdom

43% AI deal score

$1,860

$1,800

Save $60

Frequently Asked Questions About Flights to London

To find more affordable flights, consider being flexible with your travel dates and times. Using flight comparison sites can help you see various options across different airlines. Sometimes, booking in advance or looking at flights during off-peak seasons may also yield better prices.

Booking flights in advance often provides more options and potentially lower prices, especially for popular routes. However, last-minute deals can sometimes appear, so it's wise to monitor prices. There isn't a single best time, as prices can fluctuate based on demand and other factors.

Comparing nearby airports can sometimes uncover different flight options or prices. While it may add to your travel time, the potential savings could make it worthwhile. Always consider the total cost and convenience when evaluating this option.

Cardiff to London: Overview

Insights for flights from Cardiff to London

How much is a round trip from Cardiff to London

Regular price: £148 - £360

Prices for flights from Cardiff to London are currently below the regular range.

The regular price range for flights from Cardiff to London is typically between 148 GBP and 360 GBP. Currently, the lowest deal found is 75 GBP with Ryanair, for travel from Aug 19-Aug 25.

now £75

Low £148

High £360

The cheapest time to fly from Cardiff to London

December

Cheapest

Flights from £139

February

Most Expensive

Flights from £455

Feb

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec