Title: CA $313 Cheap Flights from Cardiff (CWL) to London (LHR) - Expedia.ca ![](https://images.trvl-media.com/place/178279/2a1d5619-553b-468a-a773-e81b88024741.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178279/2a1d5619-553b-468a-a773-e81b88024741.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # CA $313 Cheap Flights from Cardiff (CWL) to London (LHR) [View CA $313 flight on Mon, Mar 9, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:CWL,to:LHR,departure:09/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:312.50&airProductToken=AQpFCiAIxZIBEgQzNjIxGMJdIOEZKJCUhwMw5ZSHAzhBQABYAQohCMKCARIEMTQwMxjhGSDriQEo6ZaHAzC5l4cDOE9AAVgBEgoIARABGAEqAkVJGAEiBAgBEAEoCCgEMAE) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Cardiff International Airport (CWL) to Heathrow Airport (LHR) - ![Air Canada](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.ca/Flights-Search?leg1=from:cwl,to:lhr,departure:22/10/2025TANYT&leg2=from:lhr,to:cwl,departure:29/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![WestJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WS.svg) WestJet [](https://www.expedia.ca/Flights-Search?leg1=from:cwl,to:lhr,departure:22/10/2025TANYT&leg2=from:lhr,to:cwl,departure:29/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}]) - ![Flair Airlines](https://a.travel-assets.com/air/airlines/f8_sq.svg) Flair Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:cwl,to:lhr,departure:22/10/2025TANYT&leg2=from:lhr,to:cwl,departure:29/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F8"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:cwl,to:lhr,departure:22/10/2025TANYT&leg2=from:lhr,to:cwl,departure:29/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:cwl,to:lhr,departure:22/10/2025TANYT&leg2=from:lhr,to:cwl,departure:29/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:cwl,to:lhr,departure:22/10/2025TANYT&leg2=from:lhr,to:cwl,departure:29/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![Porter Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_PD.svg) Porter Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:cwl,to:lhr,departure:22/10/2025TANYT&leg2=from:lhr,to:cwl,departure:29/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"PD"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Cheap flights from Cardiff (CWL) to London (LHR) Prices were available within the past 7 days and start at CA $313 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip Flight from Cardiff to London (CWL - LHR) route information | Origin airport | Cardiff Intl. | | --- | --- | | Destination airport | Heathrow | | Distance | 199 km | ## Cardiff to London Flights **The easy way to book your flights from Cardiff to London**  With Expedia, it’s simple to find and book flights to London from Cardiff whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 13 airlines that cover this route. There are nonstop flights to Heathrow, too.   Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Cardiff to London today, tomorrow, or this week.   **Save dollars with cheap flights from Cardiff Intl., CWL to Heathrow, LHR**  Sort your search results by price to find great deals on your flight from Cardiff to London—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to London from Cardiff currently is just rising to .   Here are more money-saving tips:  - Fly in when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to London   - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times  - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!  **Reasons to choose Expedia for your flight to London from Cardiff**  Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to London with Expedia today. ## Frequently asked questions ### How much is a flight from Cardiff Intl. Airport (CWL) to London Heathrow? > Round-trip journeys between Cardiff Intl. Airport (CWL) and Heathrow Airport start from . This is based on fares advertised within the last 7 days on Expedia for flights departing within the next year — book now so you don't miss out. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Cardiff Intl. Airport (CWL) to London Heathrow? > Most flights can be cancelled online, but each airline has different terms and conditions. If you do need to cancel your flight, go to our [Customer Service Portal](https://www.expedia.ca/helpcenter) and follow the instructions. ### How do I find cheap flights from Cardiff Airport to Heathrow Airport that have flexible change policies? > Plenty of airlines offer the option to reschedule your flight without charging a fee. All you pay is the cost difference between flights. When looking for Cardiff Intl. Airport (CWL) to LHR flights, you'll find a "No change fees" box for you to tick. ### How many hours is the flight from CWL to Heathrow Airport? > With the average flight time between CWL and Heathrow Airport just 2 hours and 48 minutes, you'll be discovering the sights of Hounslow in no time. ### How far is the flight from CWL to LHR? > A flight distance of just 200 kilometres separates Barry and Hounslow. Once you're up in the skies, you won't have time to do much more than browse the magazine in your seat-back pocket. ### Which airlines fly direct from CWL to London Heathrow? > If you want to fly straight from Cardiff Intl. Airport (CWL) to Heathrow Airport, you'll need to book a flight with at least one stop. Unfortunately, there are no airlines that fly directly between these airports. ### Are CWL to London Heathrow flight tickets cheaper when they're purchased at the last minute? > Flight prices always go up and down, so it's no sure thing. While last-minute flight deals between Cardiff Airport and Heathrow Airport are possible, it's also a good idea to monitor prices well before you fly. In fact, some air carriers publish their prices up to 12 months prior to the departure date. Expedia is constantly updating the biggest bargains around, so check back often and be ready to secure your seat when the fares dip. ## Explore a world of travel with Expedia - Flights ### Flights - [Flights from Hanoi to Kingston Upon Thames](https://www.expedia.ca/lp/flights/1428/4380/hanoi-to-kingston-upon-thames) - [Flights from Atlanta to West London](https://www.expedia.ca/lp/flights/178232/6047457/atlanta-to-west-london) - [Flights from Atlanta to North London](https://www.expedia.ca/lp/flights/178232/6196832/atlanta-to-north-london) - [Flights from Auckland to Windsor](https://www.expedia.ca/lp/flights/178233/5479/auckland-to-windsor) - [Flights from Indianapolis to Windsor](https://www.expedia.ca/lp/flights/178266/5479/indianapolis-to-windsor) - [Flights from Sydney to Windsor](https://www.expedia.ca/lp/flights/178312/5479/sydney-to-windsor) - [Flights from Vancouver to Kingston Upon Thames](https://www.expedia.ca/lp/flights/178315/4380/vancouver-to-kingston-upon-thames) - [Flights from Vancouver to Windsor](https://www.expedia.ca/lp/flights/178315/5479/vancouver-to-windsor) - 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