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Cheap flights from Northern Ireland to California from £569

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Northern Ireland to California departing on 24/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

Enter your travel dates to find the best prices.
Delta Logo
06:30 - 11:50BHD-SFO
13h 20m1 stop
Delta Logo
13:55 - 21:00SFO-BHD
23h 05m1 stop
£569Delta
Find Deal
Mon, 24 Nov - Mon, 1 Dec
Delta Logo
06:30 - 18:09BHD-SFO
19h 39m2 stops
Delta Logo
10:30 - 21:00SFO-BHD
26h 30m2 stops
£573Delta
Find Deal
Mon, 24 Nov - Mon, 1 Dec
American Airlines Logo
06:35 - 22:09BHD-SNA
22h 34m2 stops
American Airlines Logo
13:43 - 16:35SNA-BHD
19h 52m2 stops
£578American Airlines
Find Deal
Mon, 9 Mar - Wed, 11 Mar
American Airlines Logo
06:35 - 22:09BHD-SNA
22h 34m2 stops
American Airlines Logo
13:43 - 20:15SNA-BHD
23h 32m2 stops
£584American Airlines
Find Deal
Mon, 9 Mar - Wed, 11 Mar
American Airlines Logo
09:05 - 15:00BHD-SFO
13h 55m1 stop
American Airlines Logo
13:25 - 14:15SFO-BHD
17h 50m2 stops
£602American Airlines
Find Deal
Thu, 5 Mar - Mon, 9 Mar
American Airlines Logo
09:05 - 15:00BHD-SFO
13h 55m1 stop
American Airlines Logo
10:37 - 14:15SFO-BHD
20h 38m2 stops
£603American Airlines
Find Deal
Thu, 5 Mar - Mon, 9 Mar
American Airlines Logo
11:05 - 22:25BHD-SFO
19h 20m2 stops
American Airlines Logo
13:33 - 14:15SFO-BHD
17h 42m2 stops
£606American Airlines
Find Deal
Thu, 5 Mar - Mon, 9 Mar
Multiple Airlines Logo
12:40 - 11:50BFS-SFO
31h 10m2 stops
Multiple Airlines Logo
13:55 - 21:05SFO-BFS
23h 10m2 stops
£672Multiple Airlines
Find Deal
Mon, 24 Nov - Mon, 1 Dec
Multiple Airlines Logo
06:40 - 14:40BFS-SFO
16h 00m1 stop
Multiple Airlines Logo
16:30 - 17:00SFO-BFS
16h 30m1 stop
£680Multiple Airlines
Find Deal
Mon, 24 Nov - Mon, 1 Dec
Virgin Atlantic Logo
17:20 - 12:50BHD-SFO
26h 30m1 stop
Virgin Atlantic Logo
13:45 - 16:55SFO-BHD
19h 10m1 stop
£825Virgin Atlantic
Find Deal
Thu, 26 Mar - Mon, 30 Mar

Delta flights from Northern Ireland to California

Our best Delta deals on Northern Ireland to California flight tickets
Delta
24 Nov
BHD06:30Belfast City
13h 20m
1 stop
SFO11:50San Francisco
1 Dec
SFO13:55San Francisco
23h 05m
1 stop
BHD21:00Belfast City
£569
Find similar
Delta
24 Nov
BHD06:30Belfast City
19h 39m
2 stops
SFO18:09San Francisco
1 Dec
SFO10:30San Francisco
26h 30m
2 stops
BHD21:00Belfast City
£573
Find similar
Delta
26 Mar
BHD06:30Belfast City
13h 20m
1 stop
SFO12:50San Francisco
30 Mar
SFO06:45San Francisco
26h 10m
2 stops
BHD16:55Belfast City
£823
Find similar

American Airlines flights from Northern Ireland to California

Our best American Airlines deals on Northern Ireland to California flight tickets
American Airlines
9 Mar
BHD06:35Belfast City
22h 34m
2 stops
SNA22:09Santa Ana J. Wayne/Orange Cnty
11 Mar
SNA13:43Santa Ana J. Wayne/Orange Cnty
19h 52m
2 stops
BHD16:35Belfast City
£578
Find similar
American Airlines
9 Mar
BHD06:35Belfast City
22h 34m
2 stops
SNA22:09Santa Ana J. Wayne/Orange Cnty
11 Mar
SNA13:43Santa Ana J. Wayne/Orange Cnty
23h 32m
2 stops
BHD20:15Belfast City
£584
Find similar
American Airlines
5 Mar
BHD09:05Belfast City
13h 55m
1 stop
SFO15:00San Francisco
9 Mar
SFO13:25San Francisco
17h 50m
2 stops
BHD14:15Belfast City
£602
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Northern Ireland to California 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, momondo users made 279,928 searches. Data last updated 29 October 2025.
Use the filters below to find and compare flights from Northern Ireland to California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Mon 24/11

06:30-11:50

1 stop13h 20m

San Francisco

Mon 1/12

13:55-21:00

1 stop23h 05m

£569

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Mon 24/11

06:30-18:09

2 stops19h 39m

San Francisco

Mon 1/12

10:30-21:00

2 stops26h 30m

£573

BelfastSanta Ana

BHD - SNA

BHDSNA

Belfast City

Mon 9/3

06:35-22:09

2 stops22h 34m

Santa Ana J. Wayne/Orange Cnty

Wed 11/3

13:43-16:35

2 stops19h 52m

£578

BelfastSanta Ana

BHD - SNA

BHDSNA

Belfast City

Mon 9/3

06:35-22:09

2 stops22h 34m

Santa Ana J. Wayne/Orange Cnty

Wed 11/3

13:43-20:15

2 stops23h 32m

£584

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 5/3

09:05-15:00

1 stop13h 55m

San Francisco

Mon 9/3

13:25-14:15

2 stops17h 50m

£602

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 5/3

09:05-15:00

1 stop13h 55m

San Francisco

Mon 9/3

10:37-14:15

2 stops20h 38m

£603

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 5/3

11:05-22:25

2 stops19h 20m

San Francisco

Mon 9/3

13:33-14:15

2 stops17h 42m

£606

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Mon 24/11

12:40-11:50

2 stops31h 10m

San Francisco

Mon 1/12

13:55-21:05

2 stops23h 10m

£672

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Mon 24/11

06:40-14:40

1 stop16h 00m

San Francisco

Mon 1/12

16:30-17:00

1 stop16h 30m

£680

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 26/3

17:20-12:50

1 stop26h 30m

San Francisco

Mon 30/3

13:45-16:55

1 stop19h 10m

£825

Flights are sorted by cheapest return flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
1
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See travel insights to California from

How to get the cheapest flight ticket from Northern Ireland to California

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to California?

The cheapest day to depart on your flight to California is on a Saturday when prices can be found for as low as £552. This is often the case because there is less demand to fly during this day of the week. On the other hand, Friday is the most expensive day to depart from Northern Ireland because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £810.

What is the cheapest time of day to depart on your flight to California?

The cheapest time of day to fly to California is in the afternoon when flights can be purchased for as low as £534. In contrast, the most expensive time of day to depart to California is in the morning when prices are around £622.

Can stopping save me money on Northern Ireland to California flights?

You could potentially save up to 23% on your flight if you consider stops on a Northern Ireland to California flight.

Cheap Northern Ireland to California flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Northern Ireland to California

Direct flights

None
There are no direct flights from Northern Ireland to California. There are no popular flight routes from Northern Ireland to California.
Search flight deals

  • When did momondo last update prices for flights from Northern Ireland to California?

    Prices for flights from Northern Ireland to California are refreshed on a daily basis.

  • How many operators does momondo search for flights from Northern Ireland to California?

  • How old do you have to be to fly from Northern Ireland to California?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Northern Ireland to California.

  • What documentation or ID do you need to fly to California?

    The travel and health documents required for your trip to California can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at California. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Northern Ireland to California

Compare and see reviews for airlines that fly from Northern Ireland to California with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £371Free CancellationRating
6.7
7,483 reviews
Search British Airways flights
American AirlinesPriceFrom £476Free CancellationRating
7.2
11,033 reviews
Search American Airlines flights
KLMPriceFrom £510Free CancellationRating
7.7
1,406 reviews
Search KLM flights

Why use momondo?

Why should I use momondo to find a flight deal from Northern Ireland to California?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Northern Ireland to California for you.

Can I find flights from Northern Ireland to California with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to California from Northern Ireland with this policy.

How can momondo help me find flights from Northern Ireland to California?

momondo provides multiple filters to help you find the best flight to California from Northern Ireland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Northern Ireland to California right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Northern Ireland to California flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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