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Cheap flights from California to Belfast from $360

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 8/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from California to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
6:00 pm - 4:35 pm
LAX
-
BHD
14h 35m
1 stop
British Airways Logo
9:15 am - 3:50 pm
BHD
-
LAX
14h 35m
1 stop
$836British Airways
Wed, Nov 4 - Wed, Nov 11
British Airways Logo
12:45 pm - 2:35 pm
LAX
-
BHD
17h 50m
2 stops
British Airways Logo
6:35 am - 1:30 pm
BHD
-
LAX
14h 55m
1 stop
$840British Airways
Wed, Nov 4 - Wed, Nov 11
British Airways Logo
12:45 pm - 2:15 pm
LAX
-
BHD
17h 30m
2 stops
British Airways Logo
11:25 am - 11:28 pm
BHD
-
LAX
20h 03m
2 stops
$850British Airways
Wed, Nov 4 - Wed, Nov 11
Multiple Airlines Logo
7:30 am - 9:10 pm
LAX
-
BFS
29h 40m
3 stops
Multiple Airlines Logo
5:55 am - 9:31 pm
BFS
-
LAX
23h 36m
2 stops
$862Multiple Airlines
Wed, Sep 16 - Wed, Sep 23
Multiple Airlines Logo
7:30 am - 5:05 pm
LAX
-
BFS
25h 35m
3 stops
Multiple Airlines Logo
8:15 pm - 8:20 am
BFS
-
LAX
44h 05m
3 stops
$875Multiple Airlines
Wed, Sep 16 - Wed, Sep 23
Delta Logo
7:00 am - 9:10 am
SFO
-
BHD
18h 10m
2 stops
Delta Logo
5:20 pm - 11:45 am
BHD
-
SFO
26h 25m
1 stop
$893Delta
Mon, Nov 16 - Mon, Nov 23
Delta Logo
1:50 pm - 9:10 am
SFO
-
BHD
35h 20m
1 stop
Delta Logo
9:40 am - 12:50 am
BHD
-
SFO
23h 10m
2 stops
$898Delta
Sun, Nov 8 - Fri, Nov 13
American Airlines Logo
2:58 pm - 3:40 pm
SFO
-
BHD
16h 42m
2 stops
American Airlines Logo
6:30 am - 7:11 pm
BHD
-
SFO
20h 41m
2 stops
$905American Airlines
Wed, Sep 9 - Thu, Sep 17
KLM Logo
12:40 pm - 9:20 am
SJC
-
BHD
36h 40m
2 stops
KLM Logo
5:30 pm - 8:24 pm
BHD
-
SJC
34h 54m
2 stops
$961KLM
Wed, Aug 5 - Mon, Aug 17
American Airlines Logo
8:20 am - 10:45 am
SJC
-
BHD
18h 25m
2 stops
American Airlines Logo
6:30 am - 6:31 pm
BHD
-
SJC
20h 01m
2 stops
$1,525American Airlines
Tue, Jul 14 - Fri, Jul 17

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British Airways flights from California to Belfast

Our best British Airways deals on California to Belfast flight tickets
British Airways
Nov 2
SFO5:25 pmSan Francisco
14h 40m
1 stop
BHD4:05 pmBelfast City
Nov 10
BHD6:35 amBelfast City
16h 20m
1 stop
SFO2:55 pmSan Francisco
$870
British Airways
Nov 4
SFO2:12 pmSan Francisco
16h 23m
2 stops
BHD2:35 pmBelfast City
Nov 10
BHD8:45 amBelfast City
14h 10m
1 stop
SFO2:55 pmSan Francisco
$886
British Airways
Nov 18
SFO9:12 amSan Francisco
17h 03m
2 stops
BHD10:15 amBelfast City
Nov 25
BHD9:15 amBelfast City
20h 57m
2 stops
SFO10:12 pmSan Francisco
$894

American Airlines flights from California to Belfast

Our best American Airlines deals on California to Belfast flight tickets
American Airlines
Sep 9
SFO2:58 pmSan Francisco
16h 42m
2 stops
BHD3:40 pmBelfast City
Sep 17
BHD6:30 amBelfast City
20h 41m
2 stops
SFO7:11 pmSan Francisco
$905
American Airlines
Nov 19
SFO5:25 pmSan Francisco
17h 25m
1 stop
BHD6:50 pmBelfast City
Nov 24
BHD8:45 amBelfast City
19h 29m
2 stops
SFO8:14 pmSan Francisco
$928
American Airlines
Aug 3
LAX6:10 pmLos Angeles
16h 35m
1 stop
BHD6:45 pmBelfast City
Aug 19
BHD6:30 amBelfast City
19h 14m
2 stops
LAX5:44 pmLos Angeles
$944

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 4, 2026.
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

Cheapest round-trip
Quickest round-trip

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Wed 11/4

6:00 pm-4:35 pm

1 stop14h 35m

Belfast City

Wed 11/11

9:15 am-3:50 pm

1 stop14h 35m

$836

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Wed 11/4

12:45 pm-2:35 pm

2 stops17h 50m

Belfast City

Wed 11/11

6:35 am-1:30 pm

1 stop14h 55m

$840

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Wed 11/4

12:45 pm-2:15 pm

2 stops17h 30m

Belfast City

Wed 11/11

11:25 am-11:28 pm

2 stops20h 03m

$850

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Wed 9/16

7:30 am-9:10 pm

3 stops29h 40m

Belfast Intl

Wed 9/23

5:55 am-9:31 pm

2 stops23h 36m

$862

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Wed 9/16

7:30 am-5:05 pm

3 stops25h 35m

Belfast Intl

Wed 9/23

8:15 pm-8:20 am

3 stops44h 05m

$875

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Mon 11/16

7:00 am-9:10 am

2 stops18h 10m

Belfast City

Mon 11/23

5:20 pm-11:45 am

1 stop26h 25m

$893

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 11/8

1:50 pm-9:10 am

1 stop35h 20m

Belfast City

Fri 11/13

9:40 am-12:50 am

2 stops23h 10m

$898

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 9/9

2:58 pm-3:40 pm

2 stops16h 42m

Belfast City

Thu 9/17

6:30 am-7:11 pm

2 stops20h 41m

$905

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Wed 8/5

12:40 pm-9:20 am

2 stops36h 40m

Belfast City

Mon 8/17

5:30 pm-8:24 pm

2 stops34h 54m

$961

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Tue 7/14

8:20 am-10:45 am

2 stops18h 25m

Belfast City

Fri 7/17

6:30 am-6:31 pm

2 stops20h 01m

$1,525

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 month to fly to Belfast?

In general, August is the cheapest month to fly from California to Belfast. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you don’t want to visit Belfast in August, then you should wait until March to fly from California, when ticket prices are also cheap, with an average price of $583.

Cheap California to Belfast flight deals and tips

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

Fastest flight time

13h 50m

Direct flights

None
The fastest flight from California to Belfast takes 13h 50m
There are no direct flights from California to Belfast. There are no popular flight routes from California to Belfast.
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Frequently asked questions about flying from California to Belfast

  • 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 $583Free CancellationRating
6.7
8,095 reviews
Search British Airways 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