This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/12. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — SAN
11 Dec — 18 Dec1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheap flight deals from Belfast to San Diego
Enter your travel dates to find the best prices.
One-way
One-way flights from Belfast to San Diego
Search for one-way flight options from Belfast to San Diego. Find affordable one-way fares based on user searches. Data last updated 11 November 2026.
Thu 31/1216:00 -
3 stops49h 46m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/11£621
Mon 30/1108:00 -
3 stops58h 12m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 7/11£642
Thu 31/1206:45 -
2 stops23h 49m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/11£792
Mon 30/1119:40 -
2 stops28h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 7/11£845
Mon 30/1111:40 -
1 stop36h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 7/11£992
Thu 31/1206:30 -
1 stop17h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/11£1,082
Cheapflights Fare Finder
Customise your flight search to find flights from Belfast to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated 11 November 2026.
Use the filters below to find and compare flights from Belfast to San Diego that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest return flight
BelfastSan Diego
BHD Belfast City - SAN San Diego
BHDSAN
Belfast City
Thu 31/12
16:00-09:46
3 stops49h 46m
San Diego
Wed 31/12
00:00-09:00
Nonstop0h 00m
£621
BelfastSan Diego
BHD Belfast City - SAN San Diego
BHDSAN
Belfast City
Mon 30/11
08:00-10:12
3 stops58h 12m
San Diego
Wed 31/12
00:00-09:00
Nonstop0h 00m
£642
BelfastSan Diego
BHD Belfast City - SAN San Diego
BHDSAN
Belfast City
Thu 31/12
06:45-22:34
2 stops23h 49m
San Diego
Wed 31/12
00:00-09:00
Nonstop0h 00m
£792
BelfastSan Diego
BHD Belfast City - SAN San Diego
BHDSAN
Belfast City
Mon 30/11
19:40-15:50
2 stops28h 10m
San Diego
Wed 31/12
00:00-09:00
Nonstop0h 00m
£845
BelfastSan Diego
BHD Belfast City - SAN San Diego
BHDSAN
Belfast City
Mon 30/11
11:40-16:10
1 stop36h 30m
San Diego
Wed 31/12
00:00-09:00
Nonstop0h 00m
£992
Fastest return journey
BelfastSan Diego
BHD Belfast City - SAN San Diego
BHDSAN
Belfast City
Thu 31/12
06:30-16:10
1 stop17h 40m
San Diego
Wed 31/12
00:00-09:00
Nonstop0h 00m
£1,082
Flights are sorted by cheapest return flights first.
Deals found on 6/11
Sorted by cheapest first
Best time to book a flight from Belfast to San Diego
Have a flexible travel schedule? Discover the best time to fly to San Diego from Belfast with our price prediction graph.
BF1-SAN
BHD-SAN
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Belfast to San Diego
BF1-SAN
BHD-SAN
No data available for this route at this time. Please check back soon.
Related info for your journey
Find useful and relevant information for your journey from Belfast to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly into for flights to San Diego from Belfast?
If you book a flight to San Diego from Belfast, you will be flying to San Diego, which is the city’s only airport. San Diego (SAN) is located 2.6 mi from the center of San Diego. There are 0 flights from Belfast to San Diego per day from 0 different airlines.
Can I find deals for flights from Belfast to San Diego that include hotel bookings?
Yes. In addition to deals on Belfast to San Diego flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Belfast to San Diego?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast to San Diego.
Can I find deals for business class flights from Belfast to San Diego?
Yes. Cheapflights offers flight deals from Belfast to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
Explore flights to San Diego departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 11 November 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Belfast to San Diego?
When you search for this flight from Belfast to San Diego, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Belfast to San Diego?
Millions of users choose and trust Cheapflights to book the best flight deals from Belfast to San Diego for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Can Cheapflights find flights from Belfast to San Diego with no change fees?
Need flexible booking options for your flight to San Diego from Belfast? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Belfast to San Diego become cheaper?
Yes, Cheapflights offers price alerts on Belfast to San Diego flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.
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