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Cheap flights from California to Belfast from $316

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 9/21. 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
5:30 pm - 6:35 pm
SFO
-
BHD
17h 05m
1 stop
British Airways Logo
8:45 am - 6:45 pm
BHD
-
SFO
18h 00m
1 stop
$859British Airways
Mon, Nov 2 - Fri, Nov 13
British Airways Logo
4:35 pm - 3:30 pm
SFO
-
BHD
14h 55m
1 stop
British Airways Logo
8:35 pm - 1:50 pm
BHD
-
SFO
25h 15m
1 stop
$875British Airways
Mon, Sep 14 - Wed, Sep 16
British Airways Logo
4:35 pm - 3:30 pm
SFO
-
BHD
14h 55m
1 stop
British Airways Logo
8:35 pm - 1:50 pm
BHD
-
SFO
25h 15m
1 stop
$876British Airways
Mon, Sep 14 - Wed, Sep 16
British Airways Logo
10:10 pm - 6:45 pm
LAS
-
BHD
12h 35m
1 stop
British Airways Logo
9:35 am - 8:00 pm
BHD
-
LAS
18h 25m
1 stop
$876British Airways
Sun, Sep 6 - Thu, Sep 10
American Airlines Logo
6:30 pm - 6:40 pm
LAX
-
BHD
17h 10m
1 stop
American Airlines Logo
8:45 am - 8:15 pm
BHD
-
LAX
19h 30m
1 stop
$885American Airlines
Tue, Oct 27 - Tue, Nov 3
American Airlines Logo
2:06 pm - 4:05 pm
SFO
-
BHD
17h 59m
2 stops
American Airlines Logo
6:45 am - 6:24 pm
BHD
-
SFO
19h 39m
2 stops
$889American Airlines
Mon, Nov 2 - Fri, Nov 13
Multiple Airlines Logo
2:40 pm - 3:20 pm
SNA
-
BHD
16h 40m
2 stops
Multiple Airlines Logo
9:40 am - 7:35 pm
BHD
-
SNA
17h 55m
2 stops
$1,074Multiple Airlines
Tue, Aug 18 - Tue, Sep 1
KLM Logo
5:01 pm - 4:55 pm
SJC
-
BHD
15h 54m
2 stops
KLM Logo
9:50 am - 11:39 pm
BHD
-
SJC
21h 49m
2 stops
$1,145KLM
Wed, Jul 22 - Wed, Jul 29
Multiple Airlines Logo
6:30 am - 3:00 pm
SJC
-
BHD
24h 30m
2 stops
Multiple Airlines Logo
7:00 am - 9:09 pm
BHD
-
SJC
22h 09m
3 stops
$1,460Multiple Airlines
Wed, Jul 22 - Wed, Jul 29
KLM Logo
5:21 pm - 4:55 pm
ONT
-
BHD
15h 34m
2 stops
KLM Logo
9:50 am - 9:50 pm
BHD
-
ONT
20h 00m
2 stops
$4,187KLM
Wed, Jul 1 - Wed, Jul 15

British Airways flights from California to Belfast City Airport

Our best British Airways deals on California to Belfast City Airport flight tickets
British Airways
Nov 2
SFO5:30 pmSan Francisco
17h 05m
1 stop
BHD6:35 pmBelfast City
Nov 13
BHD8:45 amBelfast City
18h 00m
1 stop
SFO6:45 pmSan Francisco
$859
British Airways
Sep 14
SFO4:35 pmSan Francisco
14h 55m
1 stop
BHD3:30 pmBelfast City
Sep 16
BHD8:35 pmBelfast City
25h 15m
1 stop
SFO1:50 pmSan Francisco
$875
British Airways
Sep 6
LAS10:10 pmLas Vegas Harry Reid Intl
12h 35m
1 stop
BHD6:45 pmBelfast City
Sep 10
BHD9:35 amBelfast City
18h 25m
1 stop
LAS8:00 pmLas Vegas Harry Reid Intl
$876

American Airlines flights from California to Belfast City Airport

Our best American Airlines deals on California to Belfast City Airport flight tickets
American Airlines
Oct 27
LAX6:30 pmLos Angeles
17h 10m
1 stop
BHD6:40 pmBelfast City
Nov 3
BHD8:45 amBelfast City
19h 30m
1 stop
LAX8:15 pmLos Angeles
$885
American Airlines
Nov 2
SFO2:06 pmSan Francisco
17h 59m
2 stops
BHD4:05 pmBelfast City
Nov 13
BHD6:45 amBelfast City
19h 39m
2 stops
SFO6:24 pmSan Francisco
$889
American Airlines
Oct 27
LAX11:30 amLos Angeles
17h 00m
2 stops
BHD11:30 amBelfast City
Nov 3
BHD11:25 amBelfast City
16h 50m
1 stop
LAX8:15 pmLos Angeles
$890

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 May 9, 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

Mon 11/2

5:30 pm-6:35 pm

1 stop17h 05m

Belfast City

Fri 11/13

8:45 am-6:45 pm

1 stop18h 00m

$859

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Mon 9/14

4:35 pm-3:30 pm

1 stop14h 55m

Belfast City

Wed 9/16

8:35 pm-1:50 pm

1 stop25h 15m

$875

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Mon 9/14

4:35 pm-3:30 pm

1 stop14h 55m

Belfast City

Wed 9/16

8:35 pm-1:50 pm

1 stop25h 15m

$876
Quickest round-trip

Las VegasBelfast

LAS - BHD

LASBHD

Las Vegas Harry Reid Intl

Sun 9/6

10:10 pm-6:45 pm

1 stop12h 35m

Belfast City

Thu 9/10

9:35 am-8:00 pm

1 stop18h 25m

$876

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Tue 10/27

6:30 pm-6:40 pm

1 stop17h 10m

Belfast City

Tue 11/3

8:45 am-8:15 pm

1 stop19h 30m

$885

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Mon 11/2

2:06 pm-4:05 pm

2 stops17h 59m

Belfast City

Fri 11/13

6:45 am-6:24 pm

2 stops19h 39m

$889

Santa AnaBelfast

SNA - BHD

SNABHD

Santa Ana J. Wayne/Orange Cnty

Tue 8/18

2:40 pm-3:20 pm

2 stops16h 40m

Belfast City

Tue 9/1

9:40 am-7:35 pm

2 stops17h 55m

$1,074

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Wed 7/22

5:01 pm-4:55 pm

2 stops15h 54m

Belfast City

Wed 7/29

9:50 am-11:39 pm

2 stops21h 49m

$1,145

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Wed 7/22

6:30 am-3:00 pm

2 stops24h 30m

Belfast City

Wed 7/29

7:00 am-9:09 pm

3 stops22h 09m

$1,460

OntarioBelfast

ONT - BHD

ONTBHD

Ontario

Wed 7/1

5:21 pm-4:55 pm

2 stops15h 34m

Belfast City

Wed 7/15

9:50 am-9:50 pm

2 stops20h 00m

$4,187

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

What is the cheapest month to fly to Belfast City Airport?

In general, August is the cheapest month to fly from California to Belfast City Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you are unable to visit Belfast City Airport during the month of August, then departing from California during the month March is also very affordable. Most momondo users find prices during this month for around $583.

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

You could potentially save up to 22% 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 35m

Direct flights

None
The fastest flight from California to Belfast City Airport takes 12h 35m
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

Frequently asked questions about flying from California to Belfast City Airport

  • 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
7,954 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.

An easier way to manage your Belfast City Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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