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Cheap flights from California to Belfast from $733

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from California to Belfast departing on 12/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:10 pm - 10:50 pmLAX-BFS
19h 40m2 stops
Multiple Airlines Logo
5:15 pm - 3:15 pmBFS-LAX
30h 00m2 stops
$733Multiple Airlines
Find Deal
Mon, Dec 1 - Sun, Dec 7
Multiple Airlines Logo
7:45 am - 1:10 pmLAX-BFS
21h 25m3 stops
Multiple Airlines Logo
11:05 pm - 4:35 pmBFS-LAX
25h 30m2 stops
$760Multiple Airlines
Find Deal
Mon, Dec 1 - Sun, Dec 7
Multiple Airlines Logo
10:15 am - 9:40 pmSFO-BFS
27h 25m3 stops
Multiple Airlines Logo
8:35 am - 2:30 pmBFS-SFO
37h 55m3 stops
$768Multiple Airlines
Find Deal
Tue, Jan 20 - Tue, Jan 27
Multiple Airlines Logo
9:10 am - 1:40 pmLAS-BFS
20h 30m2 stops
Multiple Airlines Logo
8:40 am - 8:39 pmBFS-LAS
19h 59m2 stops
$776Multiple Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 8
Multiple Airlines Logo
10:15 am - 9:40 pmSFO-BFS
27h 25m3 stops
Multiple Airlines Logo
8:55 pm - 3:35 pmBFS-SFO
26h 40m2 stops
$782Multiple Airlines
Find Deal
Tue, Jan 20 - Tue, Jan 27
Multiple Airlines Logo
1:00 pm - 9:40 pmSFO-BFS
24h 40m2 stops
Multiple Airlines Logo
8:55 pm - 3:35 pmBFS-SFO
26h 40m2 stops
$828Multiple Airlines
Find Deal
Tue, Jan 20 - Tue, Jan 27
Multiple Airlines Logo
6:20 pm - 9:40 pmLAX-BFS
19h 20m1 stop
Multiple Airlines Logo
6:30 am - 4:05 pmBFS-LAX
17h 35m1 stop
$838Multiple Airlines
Find Deal
Mon, Dec 1 - Sun, Dec 7
Multiple Airlines Logo
6:40 pm - 9:40 pmSFO-BFS
19h 00m1 stop
Multiple Airlines Logo
9:35 pm - 8:10 pmBFS-SFO
30h 35m2 stops
$887Multiple Airlines
Find Deal
Tue, Jan 20 - Tue, Jan 27
Multiple Airlines Logo
8:20 am - 9:05 pmLAX-BFS
28h 45m3 stops
Multiple Airlines Logo
10:05 pm - 1:05 pmBFS-LAX
23h 00m2 stops
$899Multiple Airlines
Find Deal
Mon, Dec 1 - Sun, Dec 14
Multiple Airlines Logo
10:30 pm - 8:20 amLAX-BFS
25h 50m1 stop
Multiple Airlines Logo
6:30 am - 10:03 pmBFS-LAX
23h 33m2 stops
$930Multiple Airlines
Find Deal
Mon, Dec 1 - Sun, Dec 7

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 November 3, 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

Mon 12/1

7:10 pm-10:50 pm

2 stops19h 40m

Belfast Intl

Sun 12/7

5:15 pm-3:15 pm

2 stops30h 00m

$733

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Mon 12/1

7:45 am-1:10 pm

3 stops21h 25m

Belfast Intl

Sun 12/7

11:05 pm-4:35 pm

2 stops25h 30m

$760

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Tue 1/20

10:15 am-9:40 pm

3 stops27h 25m

Belfast Intl

Tue 1/27

8:35 am-2:30 pm

3 stops37h 55m

$768

Las VegasBelfast

LAS - BFS

LASBFS

Las Vegas Harry Reid Intl

Thu 12/4

9:10 am-1:40 pm

2 stops20h 30m

Belfast Intl

Mon 12/8

8:40 am-8:39 pm

2 stops19h 59m

$776

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Tue 1/20

10:15 am-9:40 pm

3 stops27h 25m

Belfast Intl

Tue 1/27

8:55 pm-3:35 pm

2 stops26h 40m

$782

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Tue 1/20

1:00 pm-9:40 pm

2 stops24h 40m

Belfast Intl

Tue 1/27

8:55 pm-3:35 pm

2 stops26h 40m

$828

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Mon 12/1

6:20 pm-9:40 pm

1 stop19h 20m

Belfast Intl

Sun 12/7

6:30 am-4:05 pm

1 stop17h 35m

$838

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Tue 1/20

6:40 pm-9:40 pm

1 stop19h 00m

Belfast Intl

Tue 1/27

9:35 pm-8:10 pm

2 stops30h 35m

$887

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Mon 12/1

8:20 am-9:05 pm

3 stops28h 45m

Belfast Intl

Sun 12/14

10:05 pm-1:05 pm

2 stops23h 00m

$899

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Mon 12/1

10:30 pm-8:20 am

1 stop25h 50m

Belfast Intl

Sun 12/7

6:30 am-10:03 pm

2 stops23h 33m

$930

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 month to fly to Belfast Intl Airport?

The month of October is, on average, the cheapest month to fly to Belfast Intl Airport from California, with most prices found around $633. If you’re not able to fly to Belfast Intl Airport in October, then February is your next best option. Flight prices from California to Belfast Intl Airport during February average around $685.

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 $621Free CancellationRating
6.7
7,494 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
Cookstown
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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