Belfast (BFS) → San Diego (SAN)

8,286 km
10h 51m flight
From $1130
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. February typically offers the best deals with average prices around $1567, while July sees the highest prices, averaging $2655. Savvy travelers can save up to 41% by choosing their travel dates wisely.

Best Time to Fly

Cheapest Month

February

Save up to 40% on average

Most Expensive

July

Peak season pricing

Book in Advance

94 days

For best prices

Booking Tips

For the best prices on Belfast to San Diego flights, we recommend booking 167 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

$2810

Business

$10960

First

$12850

American Airlines

AA

Economy

$2880

Business

$11160

First

$15690

Air France

AF

Economy

$2990

Business

$11820

First

$16220

Delta Air Lines

DL

Economy

$3390

Business

$11090

First

$17880

British Airways

BA

Economy

$3400

Business

$10920

First

$17370

Lufthansa

LH

Economy

$3450

Business

$10530

First

$17480

Emirates

EK

Economy

$3570

Business

$11080

First

$18050

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 139 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.