Title: Cheap flights from Cardiff to Lerwick (CWL to LSI) - Expedia.com ![Adobe](https://images.trvl-media.com/place/3120/6403c59f-db44-4f00-9331-39101cc69876.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/3120/6403c59f-db44-4f00-9331-39101cc69876.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Cardiff (CWL) to Lerwick (LSI) ## Popular airlines from Cardiff International Airport (CWL) to Lerwick (LSI-Sumburgh) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.com/Flights-Search?leg1=from:CWL,to:LSI,departure:4/20/2026TANYT&leg2=from:LSI,to:CWL,departure:4/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.com/Flights-Search?leg1=from:CWL,to:LSI,departure:4/20/2026TANYT&leg2=from:LSI,to:CWL,departure:4/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.com/Flights-Search?leg1=from:CWL,to:LSI,departure:4/20/2026TANYT&leg2=from:LSI,to:CWL,departure:4/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.com/Flights-Search?leg1=from:CWL,to:LSI,departure:4/20/2026TANYT&leg2=from:LSI,to:CWL,departure:4/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines [](https://www.expedia.com/Flights-Search?leg1=from:CWL,to:LSI,departure:4/20/2026TANYT&leg2=from:LSI,to:CWL,departure:4/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_B6.svg) JetBlue Airways [](https://www.expedia.com/Flights-Search?leg1=from:CWL,to:LSI,departure:4/20/2026TANYT&leg2=from:LSI,to:CWL,departure:4/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.com/Flights-Search?leg1=from:CWL,to:LSI,departure:4/20/2026TANYT&leg2=from:LSI,to:CWL,departure:4/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) ## Frequently asked questions ### How much does a flight from Cardiff Intl. Airport (CWL) to Sumburgh Airport (LSI) cost? ### What is the cheapest month to fly from Cardiff Intl. Airport (CWL) to Sumburgh Airport (LSI)? ### What is the cheapest airline that flies from Cardiff Intl. Airport (CWL) to Sumburgh Airport (LSI)? ### How many flights per day from Cardiff Intl. Airport (CWL) to Sumburgh Airport (LSI)? ### What day of the week has the most flights from CWL to LSI? ### What is the best time to fly from Cardiff Intl. Airport (CWL) to Sumburgh Airport (LSI)? ### Is it cheaper to buy a plane ticket from Cardiff Intl. Airport (CWL) to Sumburgh Airport (LSI) last-minute? ### Is it cheaper to book a CWL to LSI flight and hotel package? ### Can I cancel or change the date of my flight from Cardiff Intl. Airport (CWL) to Sumburgh Airport (LSI)? ## Travel information | Origin airport | Cardiff Intl. | | ------------------- | ------------- | | Destination airport | Sumburgh | | Distance | 591 mi | ## Book with confidence # Cardiff to Lerwick Flights The cheapest times to fly from Cardiff to Lerwick On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Cardiff to Lerwick are during the month of . You can find some of the cheapest flights from Cardiff to Lerwick with Expedia's search tool and vast selection of airlines. The best time to book a flight from Cardiff to Lerwick Sunday is one of the best days to book for cheap flights from Cardiff to Lerwick: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance. How to find cheap round-trip tickets from Cardiff to Lerwick Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Cardiff to Lerwick in 2026\. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference\*. This is available for a small fee, and is free to One Key Gold and Platinum tier members. Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Cardiff to Lerwick flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps. You could also save big by booking one of Expedia's [vacation packages](https://www.expedia.com/package-deals). Bundling together your Cardiff to Lerwick airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures. \*Terms apply. Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023\. 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