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Cheap flights from California to Belfast from $338

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 9/22. 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

Logo
4:30 pm - 9:55 amLAX-BFS
33h 25m1 stop
Logo
6:10 am - 2:10 pmBFS-LAX
16h 00m1 stop
$528
Find Deal
Sun, Sep 21 - Wed, Sep 24
Logo
9:25 pm - 9:55 amLAX-BFS
28h 30m2 stops
Logo
6:10 am - 2:10 pmBFS-LAX
16h 00m1 stop
$708
Find Deal
Sun, Sep 21 - Wed, Sep 24
Logo
4:30 pm - 11:10 pmLAX-BFS
22h 40m1 stop
Logo
6:10 am - 4:29 pmBFS-LAX
42h 19m3 stops
$735
Find Deal
Sun, Sep 21 - Wed, Sep 24
Logo
4:30 pm - 9:55 amLAX-BFS
33h 25m1 stop
Logo
6:30 am - 4:00 pmBFS-LAX
40h 30m2 stops
$796
Find Deal
Fri, Oct 24 - Fri, Oct 31
Logo
7:35 pm - 10:20 pmLAX-BFS
18h 45m2 stops
Logo
6:10 am - 4:29 pmBFS-LAX
42h 19m3 stops
$881
Find Deal
Sun, Sep 21 - Wed, Sep 24
Logo
11:30 am - 10:25 pmLAS-BFS
26h 55m3 stops
Logo
7:55 am - 9:05 pmBFS-LAS
44h 10m3 stops
$903
Find Deal
Wed, Oct 22 - Wed, Oct 29
Logo
12:05 pm - 7:05 pmLAS-BFS
23h 00m2 stops
Logo
7:55 am - 9:05 pmBFS-LAS
44h 10m3 stops
$940
Find Deal
Wed, Oct 22 - Wed, Oct 29
Logo
8:05 am - 10:20 pmLAX-BFS
30h 15m3 stops
Logo
6:10 am - 4:29 pmBFS-LAX
42h 19m3 stops
$946
Find Deal
Sun, Sep 21 - Wed, Sep 24
Logo
6:40 am - 9:00 pmLAX-BFS
30h 20m3 stops
Logo
6:30 am - 11:34 amBFS-LAX
36h 04m3 stops
$977
Find Deal
Fri, Oct 24 - Fri, Oct 31
Logo
4:40 pm - 11:05 pmLAX-BFS
22h 25m2 stops
Logo
1:15 pm - 4:00 pmBFS-LAX
33h 45m2 stops
$981
Find Deal
Fri, Oct 24 - Fri, Oct 31

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 September 9, 2025.
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

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Sun 9/21

4:30 pm-9:55 am

1 stop33h 25m

Belfast Intl

Wed 9/24

6:10 am-2:10 pm

1 stop16h 00m

$528

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Sun 9/21

9:25 pm-9:55 am

2 stops28h 30m

Belfast Intl

Wed 9/24

6:10 am-2:10 pm

1 stop16h 00m

$708

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Sun 9/21

4:30 pm-11:10 pm

1 stop22h 40m

Belfast Intl

Wed 9/24

6:10 am-4:29 pm

3 stops42h 19m

$735

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Fri 10/24

4:30 pm-9:55 am

1 stop33h 25m

Belfast Intl

Fri 10/31

6:30 am-4:00 pm

2 stops40h 30m

$796

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Sun 9/21

7:35 pm-10:20 pm

2 stops18h 45m

Belfast Intl

Wed 9/24

6:10 am-4:29 pm

3 stops42h 19m

$881

Las VegasBelfast

LAS - BFS

LASBFS

Las Vegas Harry Reid Intl

Wed 10/22

11:30 am-10:25 pm

3 stops26h 55m

Belfast Intl

Wed 10/29

7:55 am-9:05 pm

3 stops44h 10m

$903

Las VegasBelfast

LAS - BFS

LASBFS

Las Vegas Harry Reid Intl

Wed 10/22

12:05 pm-7:05 pm

2 stops23h 00m

Belfast Intl

Wed 10/29

7:55 am-9:05 pm

3 stops44h 10m

$940

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Sun 9/21

8:05 am-10:20 pm

3 stops30h 15m

Belfast Intl

Wed 9/24

6:10 am-4:29 pm

3 stops42h 19m

$946

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Fri 10/24

6:40 am-9:00 pm

3 stops30h 20m

Belfast Intl

Fri 10/31

6:30 am-11:34 am

3 stops36h 04m

$977

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Fri 10/24

4:40 pm-11:05 pm

2 stops22h 25m

Belfast Intl

Fri 10/31

1:15 pm-4:00 pm

2 stops33h 45m

$981

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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

What is the cheapest day to depart on your flight to Belfast Intl Airport?

The cheapest day to depart on your flight to Belfast Intl Airport is on a Friday when prices can be found for as low as $691. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from California to Belfast Intl Airport for around $1,143.

What is the cheapest time of day to depart on your flight to Belfast Intl Airport?

At noon is the cheapest time of day to fly from California to Belfast Intl Airport when you can find flight prices for as low as $681. Flying to Belfast Intl Airport at noon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Belfast Intl Airport is in the afternoon when prices are around $838.

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

Direct flights

None
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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  • 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 $588Free CancellationRating
6.7
7,358 reviews
Search British Airways flights
American AirlinesPriceFrom $635Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Newry
Armagh
Cookstown
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.

An easier way to manage your Belfast Intl 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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