£242 Cheap Flights from San Francisco (SFO) to Belfast (BFS)

You can find one-way and return flights from SFO to BFS with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when SFO to BFS ticket fares go up or down.

The cheapest months to fly from SFO to BFS are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.

Enter SFO to BFS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

Skywest Air is one of the cheapest airlines offering connecting return flights from San Francisco, CA (SFO-San Francisco Intl.) to Belfast (BFS-Belfast Intl.), with prices starting from around £925 for flights that can be booked for departure within the next year. These flights typically include a layover in Los Angeles Intl. (LAX). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.

To find a cheap flight from San Francisco, CA (SFO-San Francisco 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.

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.

The earliest flight from San Francisco International Airport (SFO) to Belfast International Airport (BFS) typically departs around 12:55 AM local time. This service is operated by American Airlines and British Airways. This is a seasonal service, active in November. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

You'll typically find the most flights from San Francisco International Airport (SFO) to Belfast International Airport (BFS) on a Thursday, with around 46 flights available. This gives you a good selection of options for your journey. Major airlines on this route include American Airlines, British Airways, and Delta.

The most popular departure times for flights from San Francisco Intl. (SFO) to Belfast Intl. (BFS) are in the afternoon, from 3pm to 6pm. Many major carriers, including British Airways, Aer Lingus and American Airlines, offer flights during this window. Many travellers prefer this time as it allows for a full morning in San Francisco before heading to the airport, and you'll arrive in Belfast at a reasonable hour.

Yes, you can fly business class between SFO and BFS. Airlines that offer business class service on this route include:

* Air France
* Iberia
* Skywest Air
* KLM
* British Airways
* JetBlue Airways
* Virgin Atlantic
* Delta
* American Airlines

It's easy to earn miles on a San Francisco, CA (SFO-San Francisco 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.

If you're planning to travel to Belfast from San Francisco Intl. (SFO), you can fly directly into Belfast Intl. (BFS). Some flights may connect through major hubs like Dallas-Fort Worth Intl. (DFW), Los Angeles Intl. (LAX), or John F. Kennedy Intl. (JFK) before reaching Belfast. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from San Francisco, CA (SFO-San Francisco 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.

Securing a San Francisco, CA (SFO-San Francisco 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.

If you booked your San Francisco, CA (SFO-San Francisco 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.