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Cheap flights from California to Belfast from $313

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 9/1. 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

Enter your travel dates to find the best prices.
British Airways Logo
4:35 pm - 5:40 pm
SFO
-
BHD
17h 05m
1 stop
British Airways Logo
6:30 pm - 1:50 pm
BHD
-
SFO
27h 20m
1 stop
$819British Airways
Sun, Apr 26 - Mon, May 11
British Airways Logo
4:35 pm - 5:40 pm
SFO
-
BHD
17h 05m
1 stop
British Airways Logo
6:20 pm - 1:50 pm
BHD
-
SFO
27h 30m
1 stop
$822British Airways
Sun, Sep 6 - Wed, Sep 9
British Airways Logo
8:55 pm - 8:35 pm
LAX
-
BHD
15h 40m
1 stop
British Airways Logo
7:35 pm - 1:45 pm
BHD
-
LAX
26h 10m
1 stop
$829British Airways
Tue, Sep 15 - Mon, Sep 28
Multiple Airlines Logo
12:48 pm - 3:40 pm
LAS
-
BHD
18h 52m
2 stops
Multiple Airlines Logo
6:30 am - 8:00 pm
BHD
-
LAS
21h 30m
1 stop
$878Multiple Airlines
Wed, Aug 26 - Fri, Sep 4
Multiple Airlines Logo
12:48 pm - 3:40 pm
LAS
-
BHD
18h 52m
2 stops
Multiple Airlines Logo
6:30 am - 6:39 pm
BHD
-
LAS
20h 09m
2 stops
$888Multiple Airlines
Wed, Aug 26 - Fri, Sep 4
Virgin Atlantic Logo
1:45 pm - 4:55 pm
SFO
-
BHD
19h 10m
1 stop
Virgin Atlantic Logo
5:30 pm - 7:20 pm
BHD
-
SFO
33h 50m
2 stops
$895Virgin Atlantic
Sun, Apr 26 - Mon, May 11
American Airlines Logo
2:22 pm - 6:55 pm
ONT
-
BHD
20h 33m
2 stops
American Airlines Logo
9:40 am - 9:08 pm
BHD
-
ONT
19h 28m
2 stops
$897American Airlines
Tue, Aug 18 - Tue, Sep 1
American Airlines Logo
1:00 pm - 3:20 pm
ONT
-
BHD
18h 20m
2 stops
American Airlines Logo
9:40 am - 9:08 pm
BHD
-
ONT
19h 28m
2 stops
$898American Airlines
Tue, Aug 18 - Tue, Sep 1
Delta Logo
7:20 am - 4:55 pm
SJC
-
BHD
25h 35m
2 stops
Delta Logo
5:30 pm - 7:02 pm
BHD
-
SJC
33h 32m
2 stops
$921Delta
Sun, Apr 26 - Mon, May 11
Delta Logo
8:25 pm - 4:55 pm
LAS
-
BHD
12h 30m
1 stop
Delta Logo
9:50 am - 8:59 pm
BHD
-
LAS
43h 09m
2 stops
$962Delta
Sun, Apr 26 - Mon, May 4

American Airlines flights from California to Belfast City Airport

Our best American Airlines deals on California to Belfast City Airport flight tickets
American Airlines
Aug 18
ONT2:22 pmOntario
20h 33m
2 stops
BHD6:55 pmBelfast City
Sep 1
BHD9:40 amBelfast City
19h 28m
2 stops
ONT9:08 pmOntario
$897
American Airlines
Aug 18
ONT1:00 pmOntario
18h 20m
2 stops
BHD3:20 pmBelfast City
Sep 1
BHD9:40 amBelfast City
19h 28m
2 stops
ONT9:08 pmOntario
$898
American Airlines
May 1
LAS10:10 pmLas Vegas Harry Reid Intl
14h 25m
1 stop
BHD8:35 pmBelfast City
May 7
BHD12:45 pmBelfast City
17h 07m
2 stops
LAS9:52 pmLas Vegas Harry Reid Intl
$935

British Airways flights from California to Belfast City Airport

Our best British Airways deals on California to Belfast City Airport flight tickets
British Airways
Apr 26
SFO4:35 pmSan Francisco
17h 05m
1 stop
BHD5:40 pmBelfast City
May 11
BHD6:30 pmBelfast City
27h 20m
1 stop
SFO1:50 pmSan Francisco
$819
British Airways
Sep 6
SFO4:35 pmSan Francisco
17h 05m
1 stop
BHD5:40 pmBelfast City
Sep 9
BHD6:20 pmBelfast City
27h 30m
1 stop
SFO1:50 pmSan Francisco
$822
British Airways
Sep 15
LAX8:55 pmLos Angeles
15h 40m
1 stop
BHD8:35 pmBelfast City
Sep 28
BHD7:35 pmBelfast City
26h 10m
1 stop
LAX1:45 pmLos Angeles
$829

momondo Fare Finder

 
Customize your flight search to find flights from California to Belfast City Airport 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 March 28, 2026.
Use the filters below to find and compare flights from California to Belfast City Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 4/26

4:35 pm-5:40 pm

1 stop17h 05m

Belfast City

Mon 5/11

6:30 pm-1:50 pm

1 stop27h 20m

$819

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 9/6

4:35 pm-5:40 pm

1 stop17h 05m

Belfast City

Wed 9/9

6:20 pm-1:50 pm

1 stop27h 30m

$822

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Tue 9/15

8:55 pm-8:35 pm

1 stop15h 40m

Belfast City

Mon 9/28

7:35 pm-1:45 pm

1 stop26h 10m

$829

Las VegasBelfast

LAS - BHD

LASBHD

Las Vegas Harry Reid Intl

Wed 8/26

12:48 pm-3:40 pm

2 stops18h 52m

Belfast City

Fri 9/4

6:30 am-8:00 pm

1 stop21h 30m

$878

Las VegasBelfast

LAS - BHD

LASBHD

Las Vegas Harry Reid Intl

Wed 8/26

12:48 pm-3:40 pm

2 stops18h 52m

Belfast City

Fri 9/4

6:30 am-6:39 pm

2 stops20h 09m

$888

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 4/26

1:45 pm-4:55 pm

1 stop19h 10m

Belfast City

Mon 5/11

5:30 pm-7:20 pm

2 stops33h 50m

$895

OntarioBelfast

ONT - BHD

ONTBHD

Ontario

Tue 8/18

2:22 pm-6:55 pm

2 stops20h 33m

Belfast City

Tue 9/1

9:40 am-9:08 pm

2 stops19h 28m

$897
Quickest round-trip

OntarioBelfast

ONT - BHD

ONTBHD

Ontario

Tue 8/18

1:00 pm-3:20 pm

2 stops18h 20m

Belfast City

Tue 9/1

9:40 am-9:08 pm

2 stops19h 28m

$898

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Sun 4/26

7:20 am-4:55 pm

2 stops25h 35m

Belfast City

Mon 5/11

5:30 pm-7:02 pm

2 stops33h 32m

$921

Las VegasBelfast

LAS - BHD

LASBHD

Las Vegas Harry Reid Intl

Sun 4/26

8:25 pm-4:55 pm

1 stop12h 30m

Belfast City

Mon 5/4

9:50 am-8:59 pm

2 stops43h 09m

$962

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 City Airport

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

Can stopping save me money on California to Belfast City Airport flights?

You could potentially save up to 37% on your flight if you consider stops on a California to Belfast City Airport flight.

Cheap California to Belfast City Airport flight deals and tips

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

Fastest flight time

12h 30m

Direct flights

None
The fastest flight from California to Belfast City Airport takes 12h 30m
There are no direct flights from California to Belfast City Airport. There are no popular flight routes from California to Belfast City Airport.
Search flight deals

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

    Prices for flights from California to Belfast City Airport are updated daily.

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

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

    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 City Airport.

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

    The travel and health documents you'll need for your trip to Belfast City Airport 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 City Airport. 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 City Airport

Compare and see reviews for airlines that fly from California to Belfast City Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $583Free CancellationRating
6.7
7,825 reviews
Search British Airways flights

Traveling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Newcastle
Bangor

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from California to Belfast. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

momondo helps you find the best flight between California and Belfast by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Belfast from California are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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