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Cheap flights from California to Belfast from $330

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to Belfast departing on 9/17. 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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0 bags

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Find the cheapest flights from California to Belfast

Cheap round-trip flights

Logo
4:30 pm - 8:20 pmLAX-BFS
19h 50m1 stop
Logo
8:55 pm - 2:10 pmBFS-LAX
25h 15m1 stop
$524
Find Deal
Sun, Sep 21 - Tue, Sep 30
Logo
4:30 pm - 8:25 pmLAX-BHD
19h 55m1 stop
Logo
2:20 pm - 2:10 pmBHD-LAX
31h 50m1 stop
$532
Find Deal
Sun, Sep 21 - Tue, Sep 30
British Airways Logo
5:30 pm - 6:40 pmSFO-BHD
17h 10m1 stop
British Airways Logo
7:25 pm - 3:00 pmBHD-SFO
27h 35m1 stop
$630British Airways
Find Deal
Sun, Nov 23 - Tue, Dec 2
American Airlines Logo
9:00 am - 11:30 amSFO-BHD
18h 30m2 stops
American Airlines Logo
12:15 pm - 11:03 pmBHD-SFO
18h 48m2 stops
$669American Airlines
Find Deal
Sun, Sep 21 - Mon, Oct 6
British Airways Logo
8:40 pm - 8:15 pmSFO-BHD
15h 35m1 stop
British Airways Logo
7:25 pm - 3:00 pmBHD-SFO
27h 35m1 stop
$672British Airways
Find Deal
Sun, Nov 23 - Mon, Dec 1
KLM Logo
1:45 pm - 4:55 pmSFO-BHD
19h 10m1 stop
KLM Logo
5:25 pm - 11:45 amBHD-SFO
26h 20m1 stop
$709KLM
Find Deal
Sun, Sep 21 - Mon, Oct 6
American Airlines Logo
12:45 pm - 1:15 pmLAX-BHD
16h 30m2 stops
American Airlines Logo
10:40 am - 8:25 pmBHD-LAX
17h 45m1 stop
$711American Airlines
Find Deal
Sun, Nov 23 - Sun, Dec 7
Virgin Atlantic Logo
1:45 pm - 4:55 pmSFO-BHD
19h 10m1 stop
Virgin Atlantic Logo
6:30 am - 11:33 pmBHD-SFO
25h 03m2 stops
$711Virgin Atlantic
Find Deal
Sun, Sep 21 - Mon, Oct 6
KLM Logo
1:45 pm - 4:55 pmSFO-BHD
19h 10m1 stop
KLM Logo
5:20 pm - 12:50 pmBHD-SFO
26h 30m1 stop
$734KLM
Find Deal
Thu, Oct 23 - Thu, Oct 30
Virgin Atlantic Logo
1:55 pm - 4:50 pmSFO-BHD
18h 55m1 stop
Virgin Atlantic Logo
5:20 pm - 11:50 amBHD-SFO
26h 30m1 stop
$736Virgin Atlantic
Find Deal
Wed, Dec 3 - Sun, Dec 7

British Airways flights from California to Belfast

Our best British Airways deals on California to Belfast flight tickets
British Airways
Nov 23
SFO5:30 pmSan Francisco
17h 10m
1 stop
BHD6:40 pmBelfast City
Dec 2
BHD7:25 pmBelfast City
27h 35m
1 stop
SFO3:00 pmSan Francisco
$630
Find similar
British Airways
Nov 23
SFO8:40 pmSan Francisco
15h 35m
1 stop
BHD8:15 pmBelfast City
Dec 1
BHD7:25 pmBelfast City
27h 35m
1 stop
SFO3:00 pmSan Francisco
$672
Find similar
British Airways
Nov 3
LAX7:20 pmLos Angeles
15h 15m
1 stop
BHD6:35 pmBelfast City
Nov 15
BHD9:15 amBelfast City
14h 35m
1 stop
LAX3:50 pmLos Angeles
$680
Find similar

Aer Lingus flights from California to Belfast

Our best Aer Lingus deals on California to Belfast flight tickets
Aer Lingus
Nov 22
SFO8:40 pmSan Francisco
15h 00m
1 stop
BHD7:40 pmBelfast City
Nov 30
BHD5:55 pmBelfast City
29h 40m
2 stops
SFO3:35 pmSan Francisco
$1,057
Find similar
Aer Lingus
Aug 25
SFO5:40 pmSan Francisco
18h 15m
2 stops
BHD7:55 pmBelfast City
Aug 28
BHD6:50 pmBelfast City
29h 00m
2 stops
SFO3:50 pmSan Francisco
$1,249
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from California to Belfast 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 832,500 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from California to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Sun 9/21

4:30 pm-8:20 pm

1 stop19h 50m

Belfast Intl

Tue 9/30

8:55 pm-2:10 pm

1 stop25h 15m

$524

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Sun 9/21

4:30 pm-8:25 pm

1 stop19h 55m

Belfast City

Tue 9/30

2:20 pm-2:10 pm

1 stop31h 50m

$532

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 11/23

5:30 pm-6:40 pm

1 stop17h 10m

Belfast City

Tue 12/2

7:25 pm-3:00 pm

1 stop27h 35m

$630

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 9/21

9:00 am-11:30 am

2 stops18h 30m

Belfast City

Mon 10/6

12:15 pm-11:03 pm

2 stops18h 48m

$669

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 11/23

8:40 pm-8:15 pm

1 stop15h 35m

Belfast City

Mon 12/1

7:25 pm-3:00 pm

1 stop27h 35m

$672

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 9/21

1:45 pm-4:55 pm

1 stop19h 10m

Belfast City

Mon 10/6

5:25 pm-11:45 am

1 stop26h 20m

$709

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Sun 11/23

12:45 pm-1:15 pm

2 stops16h 30m

Belfast City

Sun 12/7

10:40 am-8:25 pm

1 stop17h 45m

$711

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 9/21

1:45 pm-4:55 pm

1 stop19h 10m

Belfast City

Mon 10/6

6:30 am-11:33 pm

2 stops25h 03m

$711

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Thu 10/23

1:45 pm-4:55 pm

1 stop19h 10m

Belfast City

Thu 10/30

5:20 pm-12:50 pm

1 stop26h 30m

$734

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 12/3

1:55 pm-4:50 pm

1 stop18h 55m

Belfast City

Sun 12/7

5:20 pm-11:50 am

1 stop26h 30m

$736

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Belfast from

How to get the cheapest flight ticket from California to Belfast

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 Belfast?

The cheapest day to depart from California to Belfast is on a Friday when prices can be found for as low as $691. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from California to Belfast for around $1,143.

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

Our data shows that the cheapest California to Belfast flights are usually those with departure times at noon. Our users have found flights to Belfast at noon for as low as $681. Try not to purchase tickets in the afternoon because they tend to be around $838. Of course, these prices can vary depending on the time of year and what airport you fly to.

Cheap California to Belfast flight deals and tips

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

Best Price Found

$330

Fastest flight time

13h 20m

Direct flights

None

Airports in Belfast

2 airports
The best one-way flight to Belfast from California in the past 72 hours is $330. The best round-trip flight deal from California to Belfast found on momondo in the last 72 hours is $524.
The fastest flight from California to Belfast takes 13h 20m
There are no direct flights from California to Belfast. Popular non-direct routes for this connection are Los Angeles Airport - Belfast Intl Airport, Los Angeles Airport - Belfast City Airport and San Francisco Airport - Belfast Intl Airport.
There are 2 airports near Belfast: Belfast Intl (BFS), Belfast City (BHD)
Search flight deals

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

    Prices for flights from California to Belfast are updated daily.

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

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

    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 California to Belfast.

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

    The travel and health documents you'll need for your trip to Belfast may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from California to Belfast

Compare and see reviews for airlines that fly from California to Belfast with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $588Free CancellationRating
6.6
7,222 reviews
Search British Airways flights
American AirlinesPriceFrom $635Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Why use momondo?

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

It is quick and easy to find California to Belfast flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Belfast that suits you.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Belfast from California.

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

If you are not ready to book a flight from California to Belfast now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Belfast and let you know when they change.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 12.2 mi from Belfast
Belfast Intl Airport
Belfast City Airport