Cheap Flights from San Diego (SAN) to Belfast (BFS)

Flight 1

Popular airlines from San Diego Intl. Airport (SAN) to Belfast International Airport (BFS)

  • Be in the know

    Get alerts if flight prices drop or rise*
  • Book smarter

    Save up to 25% on select hotels after you book a flight*
  • Earn twice

    Earn your airline miles on top of our rewards

Frequently asked questions

Which airlines fly direct from San Diego, CA (SAN-San Diego Intl.) to Belfast (BFS-Belfast Intl.)?
Enter SAN to BFS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from San Diego, CA (SAN-San Diego Intl.) to Belfast (BFS-Belfast Intl.)?
To find a cheap flight from San Diego, CA (SAN-San Diego Intl.) to Belfast (BFS-Belfast Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from San Diego, CA (SAN-San Diego Intl.) to Belfast (BFS-Belfast Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from San Diego, CA (SAN-San Diego Intl.) to Belfast (BFS-Belfast Intl.)?
The earliest flight from San Diego Intl. (SAN) to Belfast Intl. (BFS) typically departs at approximately 6:15 AM local time. This service is operated by American Airlines and British Airways. This is a seasonal service active in December. An early departure like this can help you maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from San Diego, CA (SAN-San Diego Intl.) to Belfast (BFS-Belfast Intl.)?
You'll typically find the most flights from San Diego Intl. (SAN) to Belfast Intl. (BFS) on a Tuesday, with around 55 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include American Airlines, Delta Air Lines, and Alaska Airlines.
What are the most popular departure times for flights from San Diego, CA (SAN-San Diego Intl.) to Belfast (BFS-Belfast Intl.)?
The most popular departure times for flights from San Diego Intl. (SAN) to Belfast Intl. (BFS) are in the morning, from 9am to 12pm. About 29% of passengers prefer this time. Many major carriers, including American Airlines, British Airways and KLM, offer flights during this window. This timing works well because it allows you to start your travel day without an extremely early wake-up, and you'll arrive at your destination with plenty of time to settle in.
Can you fly business or first class from San Diego, CA (SAN-San Diego Intl.) to Belfast (BFS-Belfast Intl.)?
Select the "Business class" and "First class" filters when looking for SAN to BFS flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a San Diego, CA (SAN-San Diego Intl.) to Belfast (BFS-Belfast Intl.) flight with Expedia?
It's easy to earn miles on a San Diego, CA (SAN-San Diego Intl.) to Belfast (BFS-Belfast Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Belfast from San Diego Intl. (SAN)?
When traveling from San Diego Intl. (SAN) to Belfast, you can fly into Belfast Intl. (BFS) and George Best Belfast City (BHD). Some flights may connect through major hubs like Dallas-Fort Worth Intl. (DFW), O'Hare Intl. (ORD), Philadelphia Intl. (PHL) before reaching Belfast. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from San Diego, CA (SAN-San Diego Intl.) to Belfast (BFS-Belfast Intl.) at the last minute?
Typically, booking a last minute flight from San Diego, CA (SAN-San Diego Intl.) to Belfast (BFS-Belfast Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a San Diego, CA (SAN-San Diego Intl.) to Belfast (BFS-Belfast Intl.) flight and hotel package?
Securing a San Diego, CA (SAN-San Diego Intl.) to Belfast (BFS-Belfast Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Diego, CA (SAN-San Diego Intl.) to Belfast (BFS-Belfast Intl.)?
If you booked your San Diego, CA (SAN-San Diego Intl.) to Belfast (BFS-Belfast Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
San Diego Intl.
Destination airport
Belfast Intl.
Distance
8238 km

Explore a world of travel with Expedia

*Available to Expedia members.