$588 Cheap Flights from San Francisco (SFO) to Londonderry (LDY)

Popular airlines from San Francisco Intl. Airport (SFO) to Londonderry (LDY-City of Derry)

Cheap Flights from San Francisco to Londonderry (SFO-LDY)

Prices were available within the past 7 days and start at $588 for one-way flights and $923 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
British Airways
Aer Lingus
United
British Airways
British Airways
Aer Lingus
British Airways
United
Alaska Airlines

Frequently asked questions

How much does a flight from San Francisco Intl. Airport (SFO) to City of Derry Airport (LDY) cost?
Lock in a cheap one-way flight from $588 or cheap return flight from $923 from San Francisco Intl. Airport (SFO) to City of Derry Airport (LDY) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from San Francisco Intl. Airport (SFO) to City of Derry Airport (LDY)?
March is the least expensive month to fly from SFO to LDY. Traveling during an off-peak travel window is often the key to finding better fares.
What is the cheapest airline that flies from San Francisco Intl. Airport (SFO) to City of Derry Airport (LDY)?
To find the cheapest airline flying from SFO to LDY, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from San Francisco Intl. Airport (SFO) to City of Derry Airport (LDY)?
Nonstop flights from San Francisco Intl. Airport (SFO) to City of Derry Airport (LDY) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SFO to LDY?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Francisco Intl. Airport (SFO) to City of Derry Airport (LDY)?
To reach City of Derry Airport (LDY) on time, select a flight that leaves San Francisco Intl. Airport (SFO) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from San Francisco Intl. Airport (SFO) to City of Derry Airport (LDY) last-minute?
Waiting until just before your trip to book a ticket from SFO to LDY generally means paying more. While you may come across some last-minute offers, they're not always guaranteed. Keep your travel plans flexible for a better chance of landing a bargain.
Is it cheaper to book a SFO to LDY flight and hotel package?
You'll generally save money by booking a SFO to LDY flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. Once you've selected your preferred accommodations and flights, you can add extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to City of Derry Airport (LDY)?
If you reserved your SFO to LDY flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

Travel information

Origin airport
San Francisco Intl.
Destination airport
City of Derry
Airlines serving
British Airways
Roundtrip price
$923
Distance
4983 mi

Book with confidence

Explore a world of travel with Expedia

*Available to One Key members.