Cheap flights from Belfast, United Kingdom to San Diego, CA
Flights starting at £243. Choose between easyJet, JetBlue Airways, or Spirit Airlines to find the best price.
Make your travel wishlist, we'll do the rest
Hidden deals
Kiwi-Code uncovers prices airlines don't want you to see.
Effortless booking
Use our flexible filters to tailor your search.
Travel hacking
Look out for the travel hack star icon for even cheaper fares.
Tips to know when travelling to San Diego
Receive exclusive deals by email
By subscribing you agree to receive offers according to the conditions described in our Privacy Policy.
Travelers usually depart from Belfast International, or George Best Belfast City when they travel from Belfast to San Diego. Book your trip to arrive at San Diego International, or McClellan–Palomar. The most popular airlines for this route are easyJet, JetBlue Airways, Spirit Airlines, Norse Atlantic Airways, and Alaska Airlines. Belfast and San Diego have 279 direct flights per week.
Check-in for a flight from Belfast to San Diego
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
easyJet | EZY | U2 | No | Opens 720 days before flight Closes 2 hours before flight |
JetBlue Airways | JBU | B6 | No | Opens 24 days before flight Closes 2 hours before flight |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
Norse Atlantic Airways | NBT | N0 | No | Opens 24 days before flight Closes 2 hours before flight |
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
Weather in San Diego
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 18°C | 10°C |
February | 17°C | 10°C |
March | 18°C | 11°C |
April | 19°C | 12°C |
May | 20°C | 14°C |
June | 22°C | 16°C |
July | 24°C | 18°C |
August | 25°C | 19°C |
September | 25°C | 19°C |
October | 23°C | 16°C |
November | 21°C | 13°C |
December | 17°C | 11°C |
14 day forecast
Frequently asked questions
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.
Explore alternative trips
Flights from Belfast
- Flights from Belfast to London
- Flights from Belfast to Manchester
- Flights from Belfast to Alicante
- Flights from Belfast to Birmingham
- Flights from Belfast to Barcelona
- Flights from Belfast to Tenerife
- Flights from Belfast to Kraków
- Flights from Belfast to Málaga
- Flights from Belfast to Berlin
- Flights from Belfast to Faro
- Flights from Belfast to Istanbul
- Flights from Belfast to Madrid
- Flights from Belfast to Edinburgh
- Flights from Belfast to Budapest
- Flights from Belfast to Amsterdam
- Flights from Belfast to Ibiza
- Flights from Belfast to Lanzarote
- Flights from Belfast to Warsaw
- Flights from Belfast to Glasgow
- Flights from Belfast to Prague
Flights to San Diego
- Flights from London to San Diego
- Flights from Edmonton to San Diego
- Flights from Manchester to San Diego
- Flights from Las Vegas to San Diego
- Flights from Dublin to San Diego
- Flights from Reykjavik to San Diego
- Flights from Bellingham to San Diego
- Flights from New York to San Diego
- Flights from San Jose to San Diego
- Flights from Paris to San Diego
- Flights from San Francisco to San Diego
- Flights from Calgary to San Diego
- Flights from Raleigh to San Diego
- Flights from Tampa to San Diego
- Flights from Austin to San Diego
- Flights from Naples to San Diego
- Flights from Glasgow to San Diego
- Flights from Denver to San Diego
- Flights from Frankfurt to San Diego
- Flights from Taipei to San Diego
Popular routes
- Flights from Cozumel to Mumbai
- Flights from Faisalabad District to Ahmedabad
- Flights from Lusaka to Amritsar
- Flights from Lahore to Kayseri
- Flights from London to Rome
- Flights from Las Vegas to Dresden
- Flights from Lviv to Riohacha
- Flights from Manila to Lanzarote
- Flights from Dammam to South Bend
- Flights from Pasto to Oslo
- Flights from Toronto to Vancouver
- Flights from Aracaju to Cox's Bazar