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Cheap flights from California to Belfast from $526

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 8/26. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from California to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:20 am - 8:15 pmLAX  Los Angeles-BFS Belfast Intl
25h 55m2 stops Casablanca Mohamed V London Gatwick
Multiple Airlines Logo
6:20 am - 8:20 amBFS  Belfast Intl-LAX Los Angeles
34h 00m2 stops London Gatwick Casablanca Mohamed V
$807Multiple Airlines
Sun, Sep 13 - Sat, Sep 19
Multiple Airlines Logo
8:10 am - 7:20 pmSFO  San Francisco-BFS Belfast Intl
27h 10m3 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat Birmingham
Multiple Airlines Logo
3:05 pm - 3:55 pmBFS  Belfast Intl-SFO San Francisco
32h 50m2 stops Malaga Dublin
$951Multiple Airlines
Mon, Oct 5 - Mon, Oct 19
Multiple Airlines Logo
10:20 am - 9:30 pmLAX  Los Angeles-BFS Belfast Intl
27h 10m2 stops Casablanca Mohamed V Manchester
Multiple Airlines Logo
8:50 am - 6:25 pmBFS  Belfast Intl-LAX Los Angeles
41h 35m3 stops London Stansted Berlin Brandenburg Dublin
$953Multiple Airlines
Sun, Sep 13 - Tue, Sep 29
Multiple Airlines Logo
8:10 pm - 9:20 pmLAX  Los Angeles-BFS Belfast Intl
17h 10m2 stops Dublin Manchester
Multiple Airlines Logo
7:35 am - 6:25 pmBFS  Belfast Intl-LAX Los Angeles
18h 50m2 stops Manchester Dublin
$1,008Multiple Airlines
Tue, Sep 29 - Tue, Oct 6
Multiple Airlines Logo
3:15 pm - 11:20 pmSFO  San Francisco-BFS Belfast Intl
24h 05m2 stops Rome Fiumicino London Heathrow
Multiple Airlines Logo
6:15 am - 8:50 pmBFS  Belfast Intl-SFO San Francisco
22h 35m1 stop Paris Charles de Gaulle
$1,025Multiple Airlines
Mon, Sep 14 - Wed, Sep 30
Multiple Airlines Logo
3:15 pm - 9:30 pmLAX  Los Angeles-BFS Belfast Intl
22h 15m2 stops Paris Charles de Gaulle Manchester
Multiple Airlines Logo
12:20 pm - 3:15 pmBFS  Belfast Intl-LAX Los Angeles
34h 55m2 stops London Stansted Munich Franz Josef Strauss
$1,038Multiple Airlines
Sun, Sep 27 - Sun, Oct 4
Multiple Airlines Logo
10:20 am - 9:50 pmLAX  Los Angeles-BFS Belfast Intl
27h 30m2 stops Casablanca Mohamed V Manchester
Multiple Airlines Logo
9:15 pm - 8:55 pmBFS  Belfast Intl-LAX Los Angeles
31h 40m2 stops Glasgow Intl Toronto Pearson Intl
$1,060Multiple Airlines
Sun, Sep 13 - Tue, Sep 29
Multiple Airlines Logo
10:20 am - 9:55 pmLAX  Los Angeles-BFS Belfast Intl
27h 35m3 stops Casablanca Mohamed V Madrid Barajas London Stansted
Multiple Airlines Logo
12:20 pm - 3:15 pmBFS  Belfast Intl-LAX Los Angeles
34h 55m2 stops London Stansted Munich Franz Josef Strauss
$1,062Multiple Airlines
Sun, Sep 27 - Sun, Oct 4
Multiple Airlines Logo
4:30 pm - 8:25 pmSFO  San Francisco-BFS Belfast Intl
19h 55m2 stops Frankfurt am Main London Gatwick
Multiple Airlines Logo
3:05 pm - 3:55 pmBFS  Belfast Intl-SFO San Francisco
32h 50m2 stops Malaga Dublin
$1,089Multiple Airlines
Mon, Oct 5 - Mon, Oct 19
Multiple Airlines Logo
5:35 pm - 11:05 pmSFO  San Francisco-BFS Belfast Intl
21h 30m2 stops Dublin Edinburgh Turnhouse
Multiple Airlines Logo
5:55 am - 3:55 pmBFS  Belfast Intl-SFO San Francisco
18h 00m2 stops Edinburgh Turnhouse Dublin
$1,089Multiple Airlines
Mon, Sep 14 - Wed, Sep 30

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momondo Fare Finder

 
Customize your flight search to find flights from California to Belfast Intl 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 August 17, 2026.
Use the filters below to find and compare flights from California to Belfast Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Los AngelesBelfast

LAX Los Angeles - BFS Belfast Intl

LAXBFS

Los Angeles

Sun 9/13

10:20 am-8:15 pm

2 stops25h 55m

Belfast Intl

Sat 9/19

6:20 am-8:20 am

2 stops34h 00m

$807

San FranciscoBelfast

SFO San Francisco - BFS Belfast Intl

SFOBFS

San Francisco

Mon 10/5

8:10 am-7:20 pm

3 stops27h 10m

Belfast Intl

Mon 10/19

3:05 pm-3:55 pm

2 stops32h 50m

$951

Los AngelesBelfast

LAX Los Angeles - BFS Belfast Intl

LAXBFS

Los Angeles

Sun 9/13

10:20 am-9:30 pm

2 stops27h 10m

Belfast Intl

Tue 9/29

8:50 am-6:25 pm

3 stops41h 35m

$953
Quickest round-trip

Los AngelesBelfast

LAX Los Angeles - BFS Belfast Intl

LAXBFS

Los Angeles

Tue 9/29

8:10 pm-9:20 pm

2 stops17h 10m

Belfast Intl

Tue 10/6

7:35 am-6:25 pm

2 stops18h 50m

$1,008

San FranciscoBelfast

SFO San Francisco - BFS Belfast Intl

SFOBFS

San Francisco

Mon 9/14

3:15 pm-11:20 pm

2 stops24h 05m

Belfast Intl

Wed 9/30

6:15 am-8:50 pm

1 stop22h 35m

$1,025

Los AngelesBelfast

LAX Los Angeles - BFS Belfast Intl

LAXBFS

Los Angeles

Sun 9/27

3:15 pm-9:30 pm

2 stops22h 15m

Belfast Intl

Sun 10/4

12:20 pm-3:15 pm

2 stops34h 55m

$1,038

Los AngelesBelfast

LAX Los Angeles - BFS Belfast Intl

LAXBFS

Los Angeles

Sun 9/13

10:20 am-9:50 pm

2 stops27h 30m

Belfast Intl

Tue 9/29

9:15 pm-8:55 pm

2 stops31h 40m

$1,060

Los AngelesBelfast

LAX Los Angeles - BFS Belfast Intl

LAXBFS

Los Angeles

Sun 9/27

10:20 am-9:55 pm

3 stops27h 35m

Belfast Intl

Sun 10/4

12:20 pm-3:15 pm

2 stops34h 55m

$1,062

San FranciscoBelfast

SFO San Francisco - BFS Belfast Intl

SFOBFS

San Francisco

Mon 10/5

4:30 pm-8:25 pm

2 stops19h 55m

Belfast Intl

Mon 10/19

3:05 pm-3:55 pm

2 stops32h 50m

$1,089

San FranciscoBelfast

SFO San Francisco - BFS Belfast Intl

SFOBFS

San Francisco

Mon 9/14

5:35 pm-11:05 pm

2 stops21h 30m

Belfast Intl

Wed 9/30

5:55 am-3:55 pm

2 stops18h 00m

$1,089

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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 Intl 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

How long does it take to fly to Belfast Intl Airport?

On average, it takes 13h 45m to fly from California to Belfast Intl Airport if you fly out of Los Angeles (the most popular airport in California) and into Belfast Intl Airport (the most popular airport in Belfast Intl Airport). If you’re flying out of San Francisco and into Belfast Intl Airport, then the flight time is around 17h 05m.

Cheap California to Belfast Intl Airport flight deals and tips

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

Fastest flight time

13h 45m

Direct flights

None
The fastest flight from California to Belfast Intl Airport takes 13h 45m
There are no direct flights from California to Belfast Intl Airport. There are no popular flight routes from California to Belfast Intl Airport.
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Frequently asked questions about flying from California to Belfast Intl Airport

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

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

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

  • How old do you have to be to fly from California to Belfast Intl 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 Intl Airport.

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

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

Compare and see reviews for airlines that fly from California to Belfast Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $586Free CancellationRating
6.7
8,170 reviews
Search British Airways flights

Traveling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Armagh
Ballymena
Newry
Dungannon

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 for California to Belfast flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for California to Belfast flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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