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

Direct flights offer convenience and save time, but they are not always the cheapest option. Flights with layovers can sometimes be more affordable, depending on the route and airline. Consider your priorities for cost versus travel time when choosing.

Can flexible travel dates help on Cardiff to London flights?

Being flexible with your travel dates can significantly impact flight prices. Mid-week flights or traveling during off-peak seasons often present lower fares. Adjusting your departure or return by a day or two may reveal more economical choices.

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. Also, consider the cost of transportation to and from the airports at both your origin and destination. These can add to the total travel expense.

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 today

462 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Sep 15, 2026.)

Today’s best flight deals from Cardiff to London

Explore current cheapest deals departing from Cardiff to London

2026-09-16 – 2026-09-23
CWL - London
74% AI deal score
£212
£72
Round trip
2026-09-21 – 2026-09-24
CWL - London
75% AI deal score
£233
£72
Round trip
2026-09-25 – 2026-09-29
CWL - London
74% AI deal score
£191
£90
Round trip
2026-09-25 – 2026-09-30
CWL - London
73% AI deal score
£205
£108
Round trip
2026-09-18 – 2026-09-25
CWL - London
71% AI deal score
£209
£113
Round trip
2026-09-24 – 2026-09-28
CWL - London
72% AI deal score
£196
£113
Round trip
2026-09-16 – 2026-09-18
CWL - London
70% AI deal score
£263
£115
Round trip
2026-09-29 – 2026-10-10
CWL - London
45% AI deal score
£148
£116
Round trip
2026-09-18 – 2026-09-21
CWL - London
74% AI deal score
£258
£119
Round trip
2026-09-29 – 2026-10-03
CWL - London
67% AI deal score
£178
£123
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. Given that most itineraries connect at least once, with a median of 2 stopovers when connecting, this duration reflects the time spent on the entire travel path.

For travelers seeking cheap flights from Cardiff to London, prices right now are above the typical level. Fares typically range from $199–$351, with a median of $278. Currently, about 17% of recent fares are classified as a good price, and new deals appear almost daily.

The cheapest time to fly from Cardiff to London is typically in December, when the median fare is $121. September also offers lower prices, with a median of $150. Even July presents a more affordable option compared to the overall median, with fares around $232.

The route from Cardiff to London covers a distance of 253 kilometers, classifying it as a short-haul journey. This relatively short distance means that while flight times can be extended by connections, the direct travel component is brief.

How much is a round trip from Cardiff to London

Regular price: £115 - £322

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

Regular prices for flights from Cardiff to London typically range from 115 GBP to 322 GBP. The current lowest deal is 68 GBP with Ryanair, for travel from Oct 15-Oct 22.

now £68

Low £115

High £322

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

easyJet UK

Vueling Airlines

Aer Lingus

Wizz Air UK

Last-minute flights going from Cardiff to London

Wed, Sep 16

⌛ Last-Minute

CWL - London

Cardiff (CWL) - London (STN)

Ryanair

£209

£72

One-way

Wed, Sep 16

⌛ Last-Minute

CWL - London

Cardiff (CWL) - London (LTN)

Ryanair

£259

£116

One-way

Thu, Sep 17

⌛ Last-Minute

CWL - London

Cardiff (CWL) - London (LTN)

TUI Airways

£212

£130

One-way

Thu, Sep 17

⌛ Last-Minute

CWL - London

Cardiff (CWL) - London (LTN)

Vueling Airlines

£259

£202

One-way

Thu, Sep 17

⌛ Last-Minute

CWL - London

Cardiff (CWL) - London (STN)

Ryanair

£255

£223

One-way

Fri, Sep 18

⌛ Last-Minute

CWL - London

Cardiff (CWL) - London (STN)

Ryanair

£209

£113

One-way

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

3 nights

Sep 21 - Sep 24

£233 → £72

69%

2 nights

Sep 16 - Sep 18

£263 → £115

56%

7 nights

Sep 16 - Sep 23

£215 → £73

66%

3 nights

Sep 18 - Sep 21

£258 → £153

41%

Popular Airports to fly from Cardiff to London

Cardiff - London route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from Cardiff to London are below the typical level, with prices around $68.

📅 Best time to fly

December is historically cheapest

Historically, the cheapest month to fly from Cardiff to London is December, with a median price of $121.

⏱️ Flight duration

Connecting flights average 16h 33m

Connecting flights from Cardiff to London typically have a median duration of 16h 33m.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights are dominant on this route, with a median of 2 stopovers historically.

🏆 Airline highlight

easyJet UK offers many deals

easyJet UK has historically offered 60 direct deals, making it a frequent option for travelers.

🎯 Booking tip

Deals appear frequently

Deals for flights on this route appear frequently, with new offers emerging within 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 good value.

📍 ~15 km from Cardiff (reachable by car)

💸 Flights from ~£65

London main airports to arrive at

London Stansted (STN)

Cheapest

London Stansted Airport offers a convenient arrival option for flights from Cardiff to London.

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

💸 Flights from ~£64

Airports nearby London used as alternative

Birmingham (BHX)

Cheapest

Consider Birmingham as an alternative due to its wide variety of destinations and excellent rail connectivity to London.

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

💸 Flights from ~£68

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 28

London, United Kingdom

40% AI deal score

$2,019

KLM, +1

Business Class

From CWL

Elite

Nov 26

London, United Kingdom

39% AI deal score

$1,867

KLM, +1

Business Class

From CWL

Elite

Dec 12

London, United Kingdom

39% AI deal score

$1,889

KLM, +1

Business Class

From CWL

Elite

Oct 19

London, United Kingdom

37% AI deal score

$1,874

KLM, +1

Business Class

From CWL

Elite

Sep 28

London, United Kingdom

37% AI deal score

$2,165

KLM, +1

Business Class

From CWL

Elite

Oct 21

London, United Kingdom

36% AI deal score

$1,986

KLM, +1

Business Class

From CWL

Elite

Sep 29

London, United Kingdom

36% AI deal score

$2,168

KLM, +1

Business Class

From CWL

Elite

Feb 20

London, United Kingdom

35% AI deal score

$2,117

KLM, +1

Business Class

From CWL

Elite

Sep 26

London, United Kingdom

35% AI deal score

$2,193

KLM, +1

Business Class

From CWL

Elite

Nov 27

London, United Kingdom

34% AI deal score

$2,052

KLM, +1

Business Class

Frequently Asked Questions About Flights to London

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices from various airlines and booking in advance can often help secure better deals. Utilizing flight comparison websites may also reveal more economical options.

Booking flights in advance often leads to better prices, especially for popular routes. Prices may fluctuate, so monitoring fares over time can help you identify a good booking window. Avoiding last-minute bookings usually results in higher costs.

Comparing nearby airports can sometimes uncover more affordable flight options or different schedules. While it may add to travel time, the potential savings could be significant. Always factor in ground transportation costs and time when considering alternative airports.

Cardiff to London: Overview

Insights for flights from Cardiff to London

How much is a round trip from Cardiff to London

Regular price: £115 - £322

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

Regular prices for flights from Cardiff to London typically range from 115 GBP to 322 GBP. The current lowest deal is 68 GBP with Ryanair, for travel from Oct 15-Oct 22.

now £68

Low £115

High £322

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

Direct flights from Cardiff to London

easyJet UK

Vueling Airlines

Aer Lingus

Wizz Air UK

Last-minute flights going from Cardiff to London

Wed, Sep 16

⌛ Last-Minute

CWL - London

Cardiff (CWL) - London (STN)

Ryanair

£209

£72

One-way

Wed, Sep 16

⌛ Last-Minute

CWL - London

Cardiff (CWL) - London (LTN)

Ryanair

£259

£116

One-way

Thu, Sep 17

⌛ Last-Minute

CWL - London

Cardiff (CWL) - London (LTN)

TUI Airways

£212

£130

One-way

Thu, Sep 17

⌛ Last-Minute

CWL - London

Cardiff (CWL) - London (LTN)

Vueling Airlines

£259

£202

One-way

Thu, Sep 17

⌛ Last-Minute

CWL - London

Cardiff (CWL) - London (STN)

Ryanair

£255

£223

One-way

Fri, Sep 18

⌛ Last-Minute

CWL - London

Cardiff (CWL) - London (STN)

Ryanair

£209

£113

One-way

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

3 nights

Sep 21 - Sep 24

£233 → £72

69%

2 nights

Sep 16 - Sep 18

£263 → £115

56%

7 nights

Sep 16 - Sep 23

£215 → £73

66%

3 nights

Sep 18 - Sep 21

£258 → £153

41%

Popular Airports to fly from Cardiff to London

Cardiff - London route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from Cardiff to London are below the typical level, with prices around $68.

📅 Best time to fly

December is historically cheapest

Historically, the cheapest month to fly from Cardiff to London is December, with a median price of $121.

⏱️ Flight duration

Connecting flights average 16h 33m

Connecting flights from Cardiff to London typically have a median duration of 16h 33m.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights are dominant on this route, with a median of 2 stopovers historically.

🏆 Airline highlight

easyJet UK offers many deals

easyJet UK has historically offered 60 direct deals, making it a frequent option for travelers.

🎯 Booking tip

Deals appear frequently

Deals for flights on this route appear frequently, with new offers emerging within 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 good value.

📍 ~15 km from Cardiff (reachable by car)

💸 Flights from ~£65

London main airports to arrive at

London Stansted (STN)

Cheapest

London Stansted Airport offers a convenient arrival option for flights from Cardiff to London.

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

💸 Flights from ~£64

Airports nearby London used as alternative

Birmingham (BHX)

Cheapest

Consider Birmingham as an alternative due to its wide variety of destinations and excellent rail connectivity to London.

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

💸 Flights from ~£68

London, United Kingdom

34% AI deal score

$2,052

KLM, +1

Business Class

Frequently Asked Questions About Flights to London

Cheap Flights from Cardiff to London

Today’s best flight deals from Cardiff to London

Cardiff to London: Overview

Insights for flights from Cardiff to London

How much is a round trip from Cardiff to London

The cheapest time to fly from Cardiff to London

Direct flights from Cardiff to London

Last-minute flights going from Cardiff to London

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

Popular Airports to fly from Cardiff to London

Cardiff - London route insights

Recent fares are below the typical level

December is historically cheapest

Connecting flights average 16h 33m

Connecting flights are dominant

easyJet UK offers many deals

Deals appear frequently

Cardiff main airports to depart from

London main airports to arrive at

Airports nearby London used as alternative

Business & First Class Flight Deals to London

Best Elite deals to London

Sep 28

Nov 26

Dec 12

Oct 19

Sep 28

Oct 21

Sep 29

Feb 20

Sep 26

Nov 27

Frequently Asked Questions About Flights to London

How can I find cheap flights from Cardiff to London?

When should I book flights from Cardiff to London?

Should I compare nearby airports for flights from Cardiff to London?

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

Can flexible travel dates help on Cardiff to London flights?

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

Related routes

More routes from Cardiff

Flights to London from other cities

Cardiff to London: Overview

Insights for flights from Cardiff to London

How much is a round trip from Cardiff to London

The cheapest time to fly from Cardiff to London

Direct flights from Cardiff to London

Last-minute flights going from Cardiff to London

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

Popular Airports to fly from Cardiff to London

Cardiff - London route insights

Recent fares are below the typical level

December is historically cheapest

Connecting flights average 16h 33m

Connecting flights are dominant

easyJet UK offers many deals

Deals appear frequently

Cardiff main airports to depart from

London main airports to arrive at

Airports nearby London used as alternative

Business & First Class Flight Deals to London

Best Elite deals to London

Sep 28

Nov 26

Dec 12

Oct 19

Sep 28

Oct 21

Sep 29

Feb 20

Sep 26

Nov 27

Frequently Asked Questions About Flights to London

How can I find cheap flights from Cardiff to London?

When should I book flights from Cardiff to London?

Should I compare nearby airports for flights from Cardiff to London?

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

Can flexible travel dates help on Cardiff to London flights?

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

Related routes