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Cheap flights from San Diego (SAN) to Belfast

SAN — BHD
Dec 5 — Dec 121
Fri 12/5
Fri 12/12
1 adult, Economy
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Best time to book a flight from San Diego to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast from San Diego with our price prediction graph.
Estimated round-trip 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.

Reviews of airlines servicing Belfast

Get insights into the airlines that provide service to Belfast. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Belfast. Reviews last updated November 5, 2025.
Read reviews from past customers who have flown British Airways from San Diego to Belfast. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,496 reviews

Boarding

6.9

Entertainment

6.4

Comfort

6.7

Food

6.3

Overall

6.7

Crew

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.
British Airways
6.7
Okay
7,496 reviews
British Airways
6.7
Okay
7,496 reviews

Boarding

6.9

Entertainment

6.4

Comfort

6.7

Food

6.3

Overall

6.7

Crew

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.

Related info for your journey

Find useful and relevant information for your journey from San Diego to Belfast. 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 from for flights from San Diego to Belfast?

    Located just 2.6 mi from the city center, San Diego is the airport most travelers will use when flying to Belfast from San Diego. Booking flights from San Diego (SAN) to Belfast should be relatively easy as there are 0 daily outbound flights to Belfast from 1 airline.

  • What is the cheapest airline to fly from San Diego to Belfast round-trip?

    According to our current data, British Airways ($687), offers the cheapest pricing from San Diego to Belfast.

  • Can I find deals for flights from San Diego to Belfast that include hotel bookings?

    Yes. In addition to deals on San Diego to Belfast flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Belfast?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Belfast.

  • Can I find deals for business class flights from San Diego to Belfast?

    Yes. Cheapflights offers flight deals from San Diego to Belfast by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Top airline flying from San Diego to Belfast

Discover the top airline that operate flights from San Diego to Belfast. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$687Average$1,122FlexibilityNo cancel feeOn-time70%

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