To Cardiff

Cheap Flights from San Diego to Cardiff

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

Deals from

San Diego

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

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from San Diego to Cardiff

Explore current cheapest deals departing from San Diego to Cardiff

Round trip

Sort by: Cheapest

September 8 - September 12

Cheapest

Best

SAN - Cardiff

$1,250

$892

Round trip

September 6 - September 12

Best

SAN - Cardiff

$1,216

$896

Round trip

September 6 - September 10

Best

SAN - Cardiff

$1,250

$901

Round trip

August 4 - September 1

Best

Earliest

SAN - Cardiff

$1,266

$918

Round trip

September 1 - September 8

SAN - Cardiff

$1,201

$937

Round trip

September 1 - September 12

SAN - Cardiff

$1,158

$994

Round trip

September 9 - September 12

SAN - Cardiff

$1,251

$1,011

Round trip

August 4 - September 3

Earliest

SAN - Cardiff

$1,266

$1,044

Round trip

September 2 - September 12

SAN - Cardiff

$1,160

$1,194

Round trip

August 5 - September 3

SAN - Cardiff

$1,265

$1,224

Round trip

Unlock all 500+ flight deals to Cardiff and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from San Diego to Cardiff

Most itineraries for flights from San Diego to Cardiff connect at least once. For these connecting routes, the typical number of connections is 2. This means that travelers should expect to make multiple stops on their journey.

Right now, fares for cheap flights from San Diego to Cardiff are above the typical level. Prices typically range from $478–$601, with a median of $501. Currently, 80% of recent fares are classified as a good price, indicating that while current prices are higher than usual, a significant portion still offers value.

When considering the cheapest time to fly from San Diego to Cardiff, September stands out as the most affordable month, with a median fare of $414. July is also a strong contender, offering a median fare of $416. Following these, August presents a median fare of $481, making these three months generally more economical for this route.

A typical journey from San Diego to Cardiff, including connections, takes approximately 29h 22m. This duration reflects the long-haul nature of the route and the necessity of connecting flights. Travelers should factor in this extensive travel time when planning their trip between these two cities.

The distance between San Diego and Cardiff is approximately 8657 kilometers, classifying this as a long-haul route. This considerable distance contributes to the longer flight times and the typical requirement for connecting itineraries.

How much is a round trip from San Diego to Cardiff

Regular price: $1,059 - $1,670

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

The regular price range for this route is between $1059 and $1670. The current lowest deal is $892 with Alaska Airlines, Inc. for travel from Sep 8-Sep 12.

now $892

Low $1,059

High $1,670

The cheapest time to fly from San Diego to Cardiff

The cheapest month to fly from San Diego to Cardiff is September, with a median price of $414. The most expensive month is March, with a median price of $760. Prices are generally lower from April to November.

September

Cheapest

Flights from $414

March

Most Expensive

Flights from $760

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Nov

Dec

Direct flights from San Diego to Cardiff

WestJet

Alaska Airlines, Inc.

Air Canada

Frontier Airlines

Last-minute flights going from San Diego to Cardiff

Tue, Aug 4

⌛ Last-Minute

SAN - Cardiff

San Diego (SAN) - Cardiff (CWL)

Frontier Airlines, WestJet

$1,266

$918

One-way

Tue, Aug 4

⌛ Last-Minute

SAN - Cardiff

San Diego (SAN) - Cardiff (CWL)

Alaska Airlines, Inc., WestJet

$1,266

$1,044

One-way

Wed, Aug 5

⌛ Last-Minute

SAN - Cardiff

San Diego (SAN) - Cardiff (CWL)

Alaska Airlines, Inc., WestJet

$1,265

$1,224

One-way

Tue, Sep 1

⌛ Last-Minute

SAN - Cardiff

San Diego (SAN) - Cardiff (CWL)

Frontier Airlines, WestJet

$1,201

$937

One-way

Tue, Sep 1

⌛ Last-Minute

SAN - Cardiff

San Diego (SAN) - Cardiff (CWL)

Frontier Airlines, WestJet

$1,158

$994

One-way

Wed, Sep 2

⌛ Last-Minute

SAN - Cardiff

San Diego (SAN) - Cardiff (CWL)

Alaska Airlines, Inc., Air Canada, WestJet

$1,160

$1,194

One-way

Biggest price drops on these dates for flights from San Diego to Cardiff

4 nights

Sep 8 - Sep 12

$1,250 → $892

29%

4 nights

Sep 6 - Sep 10

$1,250 → $901

28%

28 nights

Aug 4 - Sep 1

$1,266 → $918

27%

6 nights

Sep 6 - Sep 12

$1,216 → $896

26%

Popular Airports to fly from San Diego to Cardiff

San Diego - Cardiff route insights

💸 Price insights

Recent fares are above the typical level

Recent fares from San Diego to Cardiff are above the typical level, with 80% of deals considered good.

📅 Best time to fly

September is historically the cheapest month

Historically, September is the cheapest month to fly from San Diego to Cardiff, with a median price of $414.

⏱️ Flight duration

Connecting flights typically take 29h 22m

Flights from San Diego to Cardiff are long-haul, with connecting flights typically lasting 29h 22m.

✈️ Airlines & availability

No direct flights available

There are no direct flights available from San Diego to Cardiff. All routes include at least 2 stopovers.

🏆 Airline highlight

WestJet offers connecting flights

WestJet has historically offered connecting flights from San Diego to Cardiff, with 11 deals found.

🎯 Booking tip

Deals appear regularly

Deals for flights from San Diego to Cardiff appear regularly, with 0.2 deals per day.

San Diego main airports to depart from

San Diego International (SAN)

Cheapest

San Diego International Airport is a convenient option for flights from San Diego to Cardiff.

📍 ~5 km from city center (reachable by car)

💸 Flights from ~$892

McClellan–Palomar (CLD)

McClellan–Palomar Airport is an alternative departure point for your journey from San Diego to Cardiff.

📍 ~40 km from city center (reachable by car)

💸 Flights from ~$892

Cardiff main airports to arrive at

Cardiff (CWL)

Cheapest

Cardiff Airport is a convenient arrival point for travelers heading to Cardiff and the surrounding areas.

📍 ~15 km from city center (reachable by car)

💸 Flights from ~$885

Airports nearby Cardiff used as alternative

Bristol (BRS)

Bristol Airport can be a useful alternative arrival airport due to its proximity and extensive low-cost carrier network.

📍 ~40 km from Cardiff (reachable by bus)

💸 Flights from ~$877

Birmingham (BHX)

Birmingham Airport is a major international hub offering diverse global destinations and reliable long-haul flight options.

📍 ~135 km from Cardiff (reachable by rail)

💸 Flights from ~$912

Heathrow (LHR)

Cheapest

Heathrow Airport is the primary global gateway with the most extensive route network in the UK.

📍 ~190 km from Cardiff (reachable by coach)

💸 Flights from ~$815

Exeter (EXT)

Exeter Airport offers an alternative regional option with a less congested terminal experience.

📍 ~75 km from Cardiff (reachable by car)

💸 Flights from ~$982

Southampton (SOU)

Southampton Airport is useful for specific domestic and European short-haul routes with efficient transit times.

📍 ~130 km from Cardiff (reachable by car)

💸 Flights from ~$921

Business & First Class Flight Deals to Cardiff

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

Elite

Best Elite deals to Cardiff

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

From SAN

Elite

Aug 25

Cardiff, United Kingdom

89% AI deal score

$6,788

$4,800

Save $1,988

From SAN

Elite

Aug 25

Cardiff, United Kingdom

83% AI deal score

$6,537

$4,843

Save $1,694

From SAN

Elite

Aug 25

Cardiff, United Kingdom

83% AI deal score

$6,642

$4,898

Save $1,744

From SAN

Elite

Jul 26

Cardiff, United Kingdom

83% AI deal score

$6,947

$5,016

Save $1,931

From SAN

Elite

Jul 26

Cardiff, United Kingdom

83% AI deal score

$7,006

$5,092

Save $1,914

From SAN

Elite

Jul 26

Cardiff, United Kingdom

83% AI deal score

$6,947

$5,138

Save $1,809

From SAN

Elite

Jul 27

Cardiff, United Kingdom

83% AI deal score

$6,942

$5,161

Save $1,781

From SAN

Elite

Jul 26

Cardiff, United Kingdom

83% AI deal score

$7,212

$5,169

Save $2,043

From SAN

Elite

Jul 27

Cardiff, United Kingdom

83% AI deal score

$6,947

$5,205

Save $1,742

From SAN

Elite

Jul 26

Cardiff, United Kingdom

83% AI deal score

$6,942

$5,232

Save $1,710

From SAN

Elite

Sep 26

Cardiff, United Kingdom

83% AI deal score

$6,929

$5,262

Save $1,667

From SAN

Elite

Jul 27

Cardiff, United Kingdom

83% AI deal score

$7,375

$5,358

Save $2,017

From SAN

Elite

Oct 10

Cardiff, United Kingdom

82% AI deal score

$6,481

$5,143

Save $1,338

From SAN

Elite

Oct 18

Cardiff, United Kingdom

82% AI deal score

$6,622

$5,157

Save $1,465

From SAN

Elite

Oct 12

Cardiff, United Kingdom

82% AI deal score

$6,488

$5,158

Save $1,330

From SAN

Elite

Oct 12

Cardiff, United Kingdom

82% AI deal score

$6,488

$5,160

Save $1,328

From SAN

Elite

Oct 18

Cardiff, United Kingdom

82% AI deal score

$6,695

$5,160

Save $1,535

From SAN

Elite

Oct 14

Cardiff, United Kingdom

82% AI deal score

$6,485

$5,171

Save $1,314

From SAN

Elite

Oct 15

Cardiff, United Kingdom

82% AI deal score

$6,449

$5,196

Save $1,253

From SAN

Elite

Oct 15

Cardiff, United Kingdom

82% AI deal score

$6,466

$5,199

Save $1,267

From SAN

Elite

Nov 03

Cardiff, United Kingdom

82% AI deal score

$6,490

$5,226

Save $1,264

From SAN

Elite

Jul 27

Cardiff, United Kingdom

82% AI deal score

$7,020

$5,281

Save $1,739

From SAN

Elite

Jul 26

Cardiff, United Kingdom

82% AI deal score

$6,947

$5,318

Save $1,629

From SAN

Elite

Jul 27

Cardiff, United Kingdom

82% AI deal score

$6,947

$5,327

Save $1,620

From SAN

Elite

Jul 26

Cardiff, United Kingdom

82% AI deal score

$6,947

$5,341

Save $1,606

From SAN

Elite

Jul 26

Cardiff, United Kingdom

82% AI deal score

$7,030

$5,359

Save $1,671

From SAN

Elite

Jul 26

Cardiff, United Kingdom

82% AI deal score

$7,122

$5,359

Save $1,763

From SAN

Elite

Jul 26

Cardiff, United Kingdom

82% AI deal score

$7,130

$5,359

Save $1,771

From SAN

Elite

Aug 16

Cardiff, United Kingdom

82% AI deal score

$6,926

$5,460

Save $1,466

From SAN

Elite

Jul 27

Cardiff, United Kingdom

82% AI deal score

$6,974

$5,469

Save $1,505

From SAN

Elite

Nov 03

Cardiff, United Kingdom

81% AI deal score

$6,442

$5,227

Save $1,215

From SAN

Elite

Nov 03

Cardiff, United Kingdom

81% AI deal score

$6,495

$5,255

Save $1,240

From SAN

Elite

Oct 09

Cardiff, United Kingdom

81% AI deal score

$6,454

$5,310

Save $1,144

From SAN

Elite

Aug 11

Cardiff, United Kingdom

81% AI deal score

$6,499

$5,352

Save $1,147

From SAN

Elite

Aug 11

Cardiff, United Kingdom

81% AI deal score

$6,620

$5,353

Save $1,267

From SAN

Elite

Nov 01

Cardiff, United Kingdom

81% AI deal score

$6,464

$5,371

Save $1,093

From SAN

Elite

Aug 16

Cardiff, United Kingdom

81% AI deal score

$6,579

$5,459

Save $1,120

From SAN

Elite

Nov 03

Cardiff, United Kingdom

80% AI deal score

$6,318

$5,394

Save $924

From SAN

Elite

Aug 16

Cardiff, United Kingdom

80% AI deal score

$6,397

$5,450

Save $947

From SAN

Elite

Aug 16

Cardiff, United Kingdom

80% AI deal score

$6,788

$5,783

Save $1,005

From SAN

Elite

Aug 25

Cardiff, United Kingdom

80% AI deal score

$6,915

$5,827

Save $1,088

From SAN

Elite

Jul 28

Cardiff, United Kingdom

80% AI deal score

$6,933

$5,827

Save $1,106

From SAN

Elite

Jul 30

Cardiff, United Kingdom

80% AI deal score

$6,961

$5,872

Save $1,089

From SAN

Elite

Jul 30

Cardiff, United Kingdom

80% AI deal score

$6,931

$5,872

Save $1,059

From SAN

Elite

Aug 04

Cardiff, United Kingdom

77% AI deal score

$2,642

$2,512

Save $130

From SAN

Elite

Aug 15

Cardiff, United Kingdom

76% AI deal score

$2,636

$2,571

Save $65

From SAN

Elite

Aug 15

Cardiff, United Kingdom

76% AI deal score

$2,631

$2,571

Save $60

From SAN

Elite

Aug 15

Cardiff, United Kingdom

76% AI deal score

$2,636

$2,607

Save $29

From SAN

Elite

Aug 04

Cardiff, United Kingdom

76% AI deal score

$2,637

$2,608

Save $29

From SAN

Elite

Aug 15

Cardiff, United Kingdom

75% AI deal score

$2,667

From SAN

Elite

Aug 04

Cardiff, United Kingdom

75% AI deal score

$2,673

From SAN

Elite

Aug 15

Cardiff, United Kingdom

75% AI deal score

$2,733

From SAN

Elite

Aug 04

Cardiff, United Kingdom

75% AI deal score

$2,743

From SAN

Elite

Aug 04

Cardiff, United Kingdom

75% AI deal score

$2,778

From SAN

Elite

Aug 15

Cardiff, United Kingdom

75% AI deal score

$2,818

From SAN

Elite

Aug 04

Cardiff, United Kingdom

75% AI deal score

$2,937

From SAN

Elite

Aug 09

Cardiff, United Kingdom

75% AI deal score

$2,962

From SAN

Elite

Aug 09

Cardiff, United Kingdom

75% AI deal score

$2,962

From SAN

Elite

Aug 09

Cardiff, United Kingdom

75% AI deal score

$3,058

From SAN

Elite

Jul 02

Cardiff, United Kingdom

75% AI deal score

$3,111

From SAN

Elite

Aug 09

Cardiff, United Kingdom

74% AI deal score

$3,123

From SAN

Elite

Aug 09

Cardiff, United Kingdom

74% AI deal score

$3,193

From SAN

Elite

Sep 05

Cardiff, United Kingdom

74% AI deal score

$3,227

From SAN

Elite

Aug 04

Cardiff, United Kingdom

74% AI deal score

$3,243

From SAN

Elite

Sep 05

Cardiff, United Kingdom

74% AI deal score

$3,263

From SAN

Elite

Aug 15

Cardiff, United Kingdom

74% AI deal score

$3,302

From SAN

Elite

Aug 25

Cardiff, United Kingdom

74% AI deal score

$3,313

From SAN

Elite

Aug 25

Cardiff, United Kingdom

74% AI deal score

$3,313

From SAN

Elite

Jul 02

Cardiff, United Kingdom

74% AI deal score

$3,330

From SAN

Elite

Aug 25

Cardiff, United Kingdom

74% AI deal score

$3,349

From SAN

Elite

Aug 29

Cardiff, United Kingdom

74% AI deal score

$3,368

From SAN

Elite

Aug 29

Cardiff, United Kingdom

74% AI deal score

$3,368

From SAN

Elite

Aug 09

Cardiff, United Kingdom

74% AI deal score

$3,386

From SAN

Elite

Aug 29

Cardiff, United Kingdom

74% AI deal score

$3,404

From SAN

Elite

Aug 25

Cardiff, United Kingdom

74% AI deal score

$3,409

From SAN

Elite

Aug 29

Cardiff, United Kingdom

74% AI deal score

$3,464

From SAN

Elite

Sep 05

Cardiff, United Kingdom

74% AI deal score

$3,474

From SAN

Elite

Jul 28

Cardiff, United Kingdom

74% AI deal score

$3,475

From SAN

Elite

Jul 23

Cardiff, United Kingdom

74% AI deal score

$3,504

From SAN

Elite

Aug 04

Cardiff, United Kingdom

73% AI deal score

$3,494

From SAN

Elite

Aug 15

Cardiff, United Kingdom

73% AI deal score

$3,553

From SAN

Elite

Aug 05

Cardiff, United Kingdom

71% AI deal score

$4,481

From SAN

Elite

Jul 28

Cardiff, United Kingdom

71% AI deal score

$4,531

From SAN

Elite

Aug 05

Cardiff, United Kingdom

71% AI deal score

$4,550

From SAN

Elite

Jul 28

Cardiff, United Kingdom

71% AI deal score

$4,781

From SAN

Elite

Jul 28

Cardiff, United Kingdom

71% AI deal score

$4,789

From SAN

Elite

Jul 12

Cardiff, United Kingdom

70% AI deal score

$4,655

From SAN

Elite

Jul 28

Cardiff, United Kingdom

70% AI deal score

$4,782

From SAN

Elite

Aug 05

Cardiff, United Kingdom

70% AI deal score

$4,801

Frequently Asked Questions About Flights to Cardiff

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking platforms can often reveal better deals. Setting up price alerts may also help you catch drops in fares.

Booking flights in advance, often several months before your intended departure, can sometimes lead to lower prices. However, prices can fluctuate, so monitoring fares is usually a good strategy. Mid-week bookings may also offer slight advantages.

Yes, comparing nearby airports for both your origin and destination can sometimes uncover more economical flight options. While it may involve additional ground transportation, the overall cost savings can be significant. Always factor in the total travel time and expense.

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