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Cheap flights from Belfast Intl Airport to California from £692

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Belfast Intl Airport to California departing on 23/12. 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.
Multiple Airlines Logo
14:15 - 16:30BFS-SFO
34h 15m2 stops
Multiple Airlines Logo
19:25 - 22:20SFO-BFS
18h 55m2 stops
£692Multiple Airlines
Find Deal
Tue, 23 Dec - Thu, 8 Jan
Multiple Airlines Logo
05:45 - 10:31BFS-LAS
36h 46m2 stops
Multiple Airlines Logo
21:05 - 21:55LAS-BFS
16h 50m1 stop
£708Multiple Airlines
Find Deal
Tue, 18 Nov - Sun, 30 Nov
Multiple Airlines Logo
13:55 - 17:00BFS-LAX
35h 05m2 stops
Multiple Airlines Logo
20:40 - 22:35LAX-BFS
17h 55m2 stops
£725Multiple Airlines
Find Deal
Tue, 9 Dec - Tue, 16 Dec
Multiple Airlines Logo
06:00 - 10:07BFS-LAS
36h 07m2 stops
Multiple Airlines Logo
21:05 - 21:30LAS-BFS
16h 25m1 stop
£737Multiple Airlines
Find Deal
Fri, 14 Nov - Sun, 30 Nov
Multiple Airlines Logo
10:50 - 22:31BFS-LAS
43h 41m3 stops
Multiple Airlines Logo
07:05 - 17:55LAS-BFS
26h 50m3 stops
£743Multiple Airlines
Find Deal
Mon, 8 Dec - Mon, 15 Dec
Multiple Airlines Logo
05:45 - 10:31BFS-LAS
36h 46m2 stops
Multiple Airlines Logo
20:30 - 07:25LAS-BFS
26h 55m1 stop
£746Multiple Airlines
Find Deal
Tue, 18 Nov - Sat, 29 Nov
Multiple Airlines Logo
06:40 - 10:31BFS-LAS
35h 51m2 stops
Multiple Airlines Logo
21:05 - 21:30LAS-BFS
16h 25m1 stop
£761Multiple Airlines
Find Deal
Mon, 17 Nov - Sun, 30 Nov
Multiple Airlines Logo
08:50 - 12:40BFS-SFO
35h 50m3 stops
Multiple Airlines Logo
19:25 - 23:45SFO-BFS
20h 20m2 stops
£763Multiple Airlines
Find Deal
Tue, 23 Dec - Thu, 8 Jan
Multiple Airlines Logo
07:05 - 14:30BFS-SFO
39h 25m3 stops
Multiple Airlines Logo
16:40 - 22:20SFO-BFS
21h 40m2 stops
£765Multiple Airlines
Find Deal
Tue, 23 Dec - Thu, 8 Jan
Multiple Airlines Logo
07:05 - 14:30BFS-SFO
39h 25m3 stops
Multiple Airlines Logo
07:30 - 14:00SFO-BFS
22h 30m3 stops
£766Multiple Airlines
Find Deal
Tue, 23 Dec - Thu, 8 Jan

momondo Fare Finder

 
Customise your flight search to find flights from Belfast Intl Airport 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 27 October 2025.
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

Tue 23/12

14:15-16:30

2 stops34h 15m

San Francisco

Thu 8/1

19:25-22:20

2 stops18h 55m

£692

BelfastLas Vegas

BFS - LAS

BFSLAS

Belfast Intl

Tue 18/11

05:45-10:31

2 stops36h 46m

Las Vegas Harry Reid Intl

Sun 30/11

21:05-21:55

1 stop16h 50m

£708

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Tue 9/12

13:55-17:00

2 stops35h 05m

Los Angeles

Tue 16/12

20:40-22:35

2 stops17h 55m

£725

BelfastLas Vegas

BFS - LAS

BFSLAS

Belfast Intl

Fri 14/11

06:00-10:07

2 stops36h 07m

Las Vegas Harry Reid Intl

Sun 30/11

21:05-21:30

1 stop16h 25m

£737

BelfastLas Vegas

BFS - LAS

BFSLAS

Belfast Intl

Mon 8/12

10:50-22:31

3 stops43h 41m

Las Vegas Harry Reid Intl

Mon 15/12

07:05-17:55

3 stops26h 50m

£743

BelfastLas Vegas

BFS - LAS

BFSLAS

Belfast Intl

Tue 18/11

05:45-10:31

2 stops36h 46m

Las Vegas Harry Reid Intl

Sat 29/11

20:30-07:25

1 stop26h 55m

£746

BelfastLas Vegas

BFS - LAS

BFSLAS

Belfast Intl

Mon 17/11

06:40-10:31

2 stops35h 51m

Las Vegas Harry Reid Intl

Sun 30/11

21:05-21:30

1 stop16h 25m

£761

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Tue 23/12

08:50-12:40

3 stops35h 50m

San Francisco

Thu 8/1

19:25-23:45

2 stops20h 20m

£763

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Tue 23/12

07:05-14:30

3 stops39h 25m

San Francisco

Thu 8/1

16:40-22:20

2 stops21h 40m

£765

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Tue 23/12

07:05-14:30

3 stops39h 25m

San Francisco

Thu 8/1

07:30-14:00

3 stops22h 30m

£766

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to California from

How to get the cheapest flight ticket from Belfast Intl Airport 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 Belfast Intl Airport 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 £533. In contrast, the most expensive time of day to depart to California is in the morning when prices are around £622.

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

Direct flights

None
There are no direct flights from Belfast Intl Airport to California. There are no popular flight routes from Belfast Intl Airport to California.
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  • 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?

  • 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 AirwaysPriceFrom £400Free CancellationRating
6.7
7,476 reviews
Search British Airways flights
American AirlinesPriceFrom £476Free CancellationRating
7.2
11,031 reviews
Search American Airlines flights

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.

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