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Cheap flights from California to Belfast from $285

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 4/14. 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
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
9:00 pm - 7:30 am
LAX
-
BHD
26h 30m
1 stop
British Airways Logo
6:30 am - 3:50 pm
BHD
-
LAX
17h 20m
1 stop
$640British Airways
Wed, Mar 4 - Sun, Mar 8
British Airways Logo
5:20 pm - 3:30 pm
LAS
-
BHD
14h 10m
1 stop
British Airways Logo
6:30 am - 8:00 pm
BHD
-
LAS
21h 30m
1 stop
$641British Airways
Mon, Apr 13 - Fri, Apr 24
British Airways Logo
11:51 am - 5:30 pm
LAS
-
BHD
21h 39m
2 stops
British Airways Logo
6:30 am - 8:00 pm
BHD
-
LAS
21h 30m
1 stop
$642British Airways
Mon, Apr 13 - Fri, Apr 24
American Airlines Logo
12:00 pm - 2:15 pm
SFO
-
BHD
18h 15m
2 stops
American Airlines Logo
10:00 am - 10:40 pm
BHD
-
SFO
20h 40m
2 stops
$663American Airlines
Mon, Feb 16 - Tue, Mar 3
Delta Logo
1:55 pm - 4:50 pm
SFO
-
BHD
18h 55m
1 stop
Delta Logo
6:30 am - 12:50 pm
BHD
-
SFO
13h 20m
1 stop
$671Delta
Tue, Feb 17 - Thu, Mar 19
Delta Logo
9:10 am - 4:50 pm
SFO
-
BHD
23h 40m
2 stops
Delta Logo
5:20 pm - 11:50 am
BHD
-
SFO
26h 30m
1 stop
$676Delta
Mon, Feb 16 - Mon, Feb 23
American Airlines Logo
8:20 pm - 7:40 pm
LAX
-
BHD
15h 20m
1 stop
American Airlines Logo
6:30 am - 8:20 pm
BHD
-
LAX
21h 50m
1 stop
$695American Airlines
Tue, Apr 14 - Sun, Apr 19
Multiple Airlines Logo
5:35 pm - 9:15 pm
SFO
-
BFS
19h 40m
2 stops
Multiple Airlines Logo
12:35 pm - 1:50 pm
BFS
-
SFO
33h 15m
1 stop
$866Multiple Airlines
Fri, May 15 - Fri, May 29
KLM Logo
11:30 am - 4:55 pm
SJC
-
BHD
21h 25m
2 stops
KLM Logo
5:30 pm - 5:04 pm
BHD
-
SJC
31h 34m
2 stops
$882KLM
Tue, Jun 9 - Mon, Jun 15
Multiple Airlines Logo
9:10 am - 7:35 pm
LAS
-
BFS
26h 25m
2 stops
Multiple Airlines Logo
6:15 am - 8:35 pm
BFS
-
LAS
22h 20m
2 stops
$897Multiple Airlines
Wed, Apr 22 - Wed, Apr 29

American Airlines flights from California to Belfast

Our best American Airlines deals on California to Belfast flight tickets
American Airlines
Feb 16
SFO12:00 pmSan Francisco
18h 15m
2 stops
BHD2:15 pmBelfast City
Mar 3
BHD10:00 amBelfast City
20h 40m
2 stops
SFO10:40 pmSan Francisco
$663
American Airlines
Apr 14
LAX8:20 pmLos Angeles
15h 20m
1 stop
BHD7:40 pmBelfast City
Apr 19
BHD6:30 amBelfast City
21h 50m
1 stop
LAX8:20 pmLos Angeles
$695
American Airlines
Apr 14
LAX8:20 pmLos Angeles
14h 35m
1 stop
BHD6:55 pmBelfast City
Apr 19
BHD11:00 amBelfast City
18h 56m
2 stops
LAX9:56 pmLos Angeles
$705

British Airways flights from California to Belfast

Our best British Airways deals on California to Belfast flight tickets
British Airways
Mar 4
LAX9:00 pmLos Angeles
26h 30m
1 stop
BHD7:30 amBelfast City
Mar 8
BHD6:30 amBelfast City
17h 20m
1 stop
LAX3:50 pmLos Angeles
$640
British Airways
Apr 13
LAS5:20 pmLas Vegas Harry Reid Intl
14h 10m
1 stop
BHD3:30 pmBelfast City
Apr 24
BHD6:30 amBelfast City
21h 30m
1 stop
LAS8:00 pmLas Vegas Harry Reid Intl
$641
British Airways
Mar 4
LAX3:30 pmLos Angeles
32h 00m
1 stop
BHD7:30 amBelfast City
Mar 8
BHD9:10 amBelfast City
14h 40m
1 stop
LAX3:50 pmLos Angeles
$642

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 February 6, 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

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Wed 3/4

9:00 pm-7:30 am

1 stop26h 30m

Belfast City

Sun 3/8

6:30 am-3:50 pm

1 stop17h 20m

$640

Las VegasBelfast

LAS - BHD

LASBHD

Las Vegas Harry Reid Intl

Mon 4/13

5:20 pm-3:30 pm

1 stop14h 10m

Belfast City

Fri 4/24

6:30 am-8:00 pm

1 stop21h 30m

$641

Las VegasBelfast

LAS - BHD

LASBHD

Las Vegas Harry Reid Intl

Mon 4/13

11:51 am-5:30 pm

2 stops21h 39m

Belfast City

Fri 4/24

6:30 am-8:00 pm

1 stop21h 30m

$642

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Mon 2/16

12:00 pm-2:15 pm

2 stops18h 15m

Belfast City

Tue 3/3

10:00 am-10:40 pm

2 stops20h 40m

$663

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 2/17

1:55 pm-4:50 pm

1 stop18h 55m

Belfast City

Thu 3/19

6:30 am-12:50 pm

1 stop13h 20m

$671

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Mon 2/16

9:10 am-4:50 pm

2 stops23h 40m

Belfast City

Mon 2/23

5:20 pm-11:50 am

1 stop26h 30m

$676

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Tue 4/14

8:20 pm-7:40 pm

1 stop15h 20m

Belfast City

Sun 4/19

6:30 am-8:20 pm

1 stop21h 50m

$695

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Fri 5/15

5:35 pm-9:15 pm

2 stops19h 40m

Belfast Intl

Fri 5/29

12:35 pm-1:50 pm

1 stop33h 15m

$866

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Tue 6/9

11:30 am-4:55 pm

2 stops21h 25m

Belfast City

Mon 6/15

5:30 pm-5:04 pm

2 stops31h 34m

$882

Las VegasBelfast

LAS - BFS

LASBFS

Las Vegas Harry Reid Intl

Wed 4/22

9:10 am-7:35 pm

2 stops26h 25m

Belfast Intl

Wed 4/29

6:15 am-8:35 pm

2 stops22h 20m

$897

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 month to fly to Belfast?

In general, October 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 $633. If you don’t want to visit Belfast in October, then you should wait until February to fly from California, when ticket prices are also cheap, with an average price of $685.

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.
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 $586Free CancellationRating
6.7
7,716 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