Belfast (BFS) → San Diego (SAN)

8,286 km
10h 51m flight
From $1110
San Diego destination photo

About Belfast to San Diego Flights

Discover the best flights from Belfast to San Diego, covering 8,286 km in approximately 10h 51m. Belfast (BFS) to San Diego (SAN) is one of the major long-haul routes connecting United Kingdom and United States. With 7 major airlines operating this route, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Belfast to San Diego.

12-Month Price History

Flight prices from Belfast to San Diego vary significantly throughout the year. January typically offers the best deals with average prices around $1669, while August sees the highest prices, averaging $2599. Savvy travelers can save up to 36% by choosing their travel dates wisely.

Best Time to Fly

Cheapest Month

January

Save up to 40% on average

Most Expensive

August

Peak season pricing

Book in Advance

108 days

For best prices

Booking Tips

For the best prices on Belfast to San Diego flights, we recommend booking 117 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.

Airlines Serving This Route

United Airlines

UA

Economy

$1350

Business

$4420

First

$7600

American Airlines

AA

Economy

$1360

Business

$5120

First

$7490

Delta Air Lines

DL

Economy

$1560

Business

$4940

First

$9720

Air France

AF

Economy

$1680

Business

$5540

First

$8990

Emirates

EK

Economy

$1720

Business

$5550

First

$10950

Lufthansa

LH

Economy

$1850

Business

$6030

First

$9840

British Airways

BA

Economy

$1870

Business

$4920

First

$7910

Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.

Alternative Flight Options

San Diego destination photo

DublinSan Diego

Dublin (DUB) to San Diego International (SAN)

Distance: 8,364 km

Average price: $1761

View this route →
San Diego destination photo

GlasgowSan Diego

Glasgow International (GLA) to San Diego International (SAN)

Distance: 8,299 km

Average price: $1748

View this route →
San Diego destination photo

GlasgowSan Diego

Glasgow International (GLA) to San Diego International (SAN)

Distance: 8,299 km

Average price: $1748

View this route →
Los Angeles destination photo

BelfastLos Angeles

Belfast International (BFS) to Los Angeles International (LAX)

Distance: 8,238 km

Average price: $1736

View this route →

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Frequently Asked Questions

How long is the flight from Belfast to San Diego?

The flight time from Belfast (BFS) to San Diego (SAN) is approximately 10 hours and 51 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.

What is the distance between Belfast and San Diego?

The aerial distance between Belfast and San Diego is 8,286 kilometers (5,149 miles). This is the straight-line distance, which is used to calculate flight times.

Which airlines fly from Belfast to San Diego?

Several airlines operate flights between Belfast and San Diego, including American Airlines, Delta Air Lines, United Airlines and 4 more airlines. Most flights on this route include one or more stops.

What is the cheapest month to fly from Belfast to San Diego?

Based on historical data, February typically offers the lowest airfares for flights from Belfast to San Diego. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.

How far in advance should I book my flight to San Diego?

For the best prices on Belfast to San Diego flights, we recommend booking 102 days in advance. International flights generally require earlier booking than domestic routes.

Do I need a visa to travel from Belfast to San Diego?

Visa requirements depend on your nationality and the purpose of your visit. Citizens of United Kingdom traveling to United States should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.

What is the time difference between Belfast and San Diego?

Belfast operates on Europe/London time zone, while San Diego is in the America/Los_Angeles time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.