How do I get Price Alerts for flights from Belfast Intl Airport to California?

Search flight deals from Belfast Intl Airport to California . While viewing offers you’ll have the option to create a Price Alert.

How can I save money on flights from Belfast Intl Airport to California with momondo?

Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

How many operators does momondo search for flights from Belfast Intl Airport to California?

There are 2 operators available for flights from Belfast Intl Airport to California as of February 2026.

How old do you have to be to fly from Belfast Intl Airport to California?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast Intl Airport to California.

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

The necessary travel and health documents for your California trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£267 Cheap Flights from Belfast Intl Airport to California in 2026

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Find the cheapest flights from Belfast Intl Airport to California

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

14:10 - 15:35

BFS

SFO

32h 25m

3 stops

17:35 - 20:10

SFO

BFS

19h 35m

2 stops

£643Multiple Airlines

Sun, 8 Mar - Mon, 16 Mar

20:40 - 13:25

BFS

LAX

24h 45m

1 stop

20:10 - 08:30

LAX

BFS

28h 20m

2 stops

£660Multiple Airlines

Thu, 25 Jun - Wed, 15 Jul

20:40 - 13:25

BFS

LAX

24h 45m

1 stop

16:30 - 21:55

LAX

BFS

21h 25m

1 stop

£673Multiple Airlines

Thu, 25 Jun - Sun, 19 Jul

20:50 - 11:30

BFS

LAX

22h 40m

1 stop

16:25 - 23:30

LAX

BFS

23h 05m

1 stop

£674Multiple Airlines

Sun, 28 Jun - Thu, 16 Jul

20:40 - 13:25

BFS

LAX

24h 45m

1 stop

16:30 - 22:40

LAX

BFS

22h 10m

1 stop

£681Multiple Airlines

Thu, 25 Jun - Sat, 18 Jul

20:15 - 13:30

BFS

LAX

25h 15m

1 stop

16:30 - 18:25

LAX

BFS

17h 55m

2 stops

£696Multiple Airlines

Wed, 1 Jul - Sun, 19 Jul

20:40 - 13:25

BFS

LAX

24h 45m

1 stop

20:10 - 19:30

LAX

BFS

15h 20m

2 stops

£714Multiple Airlines

Thu, 25 Jun - Thu, 16 Jul

20:40 - 13:25

BFS

LAX

24h 45m

1 stop

16:30 - 17:55

LAX

BFS

17h 25m

1 stop

£715Multiple Airlines

Thu, 25 Jun - Wed, 15 Jul

06:10 - 13:30

BFS

LAX

15h 20m

1 stop

16:30 - 09:00

LAX

BFS

32h 30m

1 stop

£716Multiple Airlines

Thu, 2 Jul - Thu, 16 Jul

14:10 - 17:30

BFS

SFO

34h 20m

2 stops

20:25 - 21:10

SFO

BFS

17h 45m

2 stops

£718Multiple Airlines

Sun, 8 Mar - Mon, 16 Mar

momondo Fare Finder

Use the filters below to find and compare flights from Belfast Intl Airport to California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Sun 8/3

14:10-15:35

3 stops32h 25m

San Francisco

Mon 16/3

17:35-20:10

2 stops19h 35m

£643

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Thu 25/6

20:40-13:25

1 stop24h 45m

Los Angeles

Wed 15/7

20:10-08:30

2 stops28h 20m

£660

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Thu 25/6

20:40-13:25

1 stop24h 45m

Los Angeles

Sun 19/7

16:30-21:55

1 stop21h 25m

£673

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Sun 28/6

20:50-11:30

1 stop22h 40m

Los Angeles

Thu 16/7

16:25-23:30

1 stop23h 05m

£674

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Thu 25/6

20:40-13:25

1 stop24h 45m

Los Angeles

Sat 18/7

16:30-22:40

1 stop22h 10m

£681

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Wed 1/7

20:15-13:30

1 stop25h 15m

Los Angeles

Sun 19/7

16:30-18:25

2 stops17h 55m

£696

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Thu 25/6

20:40-13:25

1 stop24h 45m

Los Angeles

Thu 16/7

20:10-19:30

2 stops15h 20m

£714

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Thu 25/6

20:40-13:25

1 stop24h 45m

Los Angeles

Wed 15/7

16:30-17:55

1 stop17h 25m

£715

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Thu 2/7

06:10-13:30

1 stop15h 20m

Los Angeles

Thu 16/7

16:30-09:00

1 stop32h 30m

£716

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Sun 8/3

14:10-17:30

2 stops34h 20m

San Francisco

Mon 16/3

20:25-21:10

2 stops17h 45m

£718

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Cheap Belfast Intl Airport to California flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast Intl Airport to California

Fastest flight time	15h 05m
Direct flights	None

The fastest flight from Belfast Intl Airport to California takes 15h 05m

There are no direct flights from Belfast Intl Airport to California. There are no popular flight routes from Belfast Intl Airport to California.

Search flight deals

When did momondo last update prices for flights from Belfast Intl Airport to California?
Prices for flights from Belfast Intl Airport to California refresh daily.
How many operators does momondo search for flights from Belfast Intl Airport to California?
There are 2 operators available for flights from Belfast Intl Airport to California as of February 2026.
How old do you have to be to fly from Belfast Intl Airport to California?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast Intl Airport to California.
What documentation or ID do you need to fly to California?
The necessary travel and health documents for your California trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Belfast Intl Airport to California

Compare and see reviews for airlines that fly from Belfast Intl Airport to California with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom £392	Free Cancellation	Rating 6.7 7,719 reviews		Search British Airways flights
American Airlines	PriceFrom £466	Free Cancellation	Rating 7.2 11,247 reviews		Search American Airlines flights

How do I get Price Alerts for flights from Belfast Intl Airport to California?
Search flight deals from Belfast Intl Airport to California. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from Belfast Intl Airport to California with momondo?
Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Belfast to California. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to California from Belfast which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Belfast to California?

Once all potential Belfast to California flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to California from Belfast. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.