Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from California to Belfast from $367

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.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from California to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:20 am - 11:20 pm
LAX
-
BFS
28h 00m
3 stops
Multiple Airlines Logo
11:30 pm - 10:05 pm
BFS
-
LAX
30h 35m
3 stops
$774Multiple Airlines
Mon, Apr 20 - Tue, May 5
Multiple Airlines Logo
4:30 pm - 11:20 pm
LAX
-
BFS
22h 50m
1 stop
Multiple Airlines Logo
2:40 pm - 10:00 am
BFS
-
LAX
27h 20m
1 stop
$796Multiple Airlines
Mon, Sep 7 - Mon, Sep 21
Multiple Airlines Logo
4:30 pm - 11:20 pm
LAX
-
BFS
22h 50m
1 stop
Multiple Airlines Logo
4:45 pm - 10:00 am
BFS
-
LAX
25h 15m
2 stops
$808Multiple Airlines
Mon, Sep 7 - Mon, Sep 21
Multiple Airlines Logo
4:30 pm - 8:40 pm
LAX
-
BFS
20h 10m
1 stop
Multiple Airlines Logo
6:10 am - 1:20 pm
BFS
-
LAX
15h 10m
1 stop
$815Multiple Airlines
Wed, Aug 19 - Mon, Aug 31
Multiple Airlines Logo
4:30 pm - 9:00 am
LAX
-
BFS
32h 30m
1 stop
Multiple Airlines Logo
6:40 pm - 1:35 pm
BFS
-
LAX
26h 55m
1 stop
$832Multiple Airlines
Thu, Jul 23 - Wed, Aug 12
Multiple Airlines Logo
8:15 am - 9:30 am
LAX
-
BFS
41h 15m
2 stops
Multiple Airlines Logo
2:45 pm - 5:30 pm
BFS
-
LAX
34h 45m
1 stop
$852Multiple Airlines
Mon, Apr 20 - Tue, May 5
Multiple Airlines Logo
1:25 pm - 11:10 pm
LAX
-
BFS
25h 45m
2 stops
Multiple Airlines Logo
6:45 am - 11:40 am
BFS
-
LAX
36h 55m
2 stops
$858Multiple Airlines
Mon, Apr 6 - Tue, Apr 14
Multiple Airlines Logo
12:00 pm - 3:15 pm
LAX
-
BFS
19h 15m
2 stops
Multiple Airlines Logo
2:40 pm - 10:00 am
BFS
-
LAX
27h 20m
1 stop
$864Multiple Airlines
Tue, Sep 15 - Mon, Sep 28
Multiple Airlines Logo
12:55 pm - 11:20 pm
SFO
-
BFS
26h 25m
2 stops
Multiple Airlines Logo
8:15 pm - 4:40 pm
BFS
-
SFO
28h 25m
2 stops
$867Multiple Airlines
Tue, May 5 - Tue, May 12
Multiple Airlines Logo
4:30 pm - 11:20 pm
LAX
-
BFS
22h 50m
1 stop
Multiple Airlines Logo
7:55 pm - 1:20 pm
BFS
-
LAX
25h 25m
1 stop
$879Multiple Airlines
Mon, Jun 1 - Fri, Jun 12

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 March 25, 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 - BFS

LAXBFS

Los Angeles

Mon 4/20

11:20 am-11:20 pm

3 stops28h 00m

Belfast Intl

Tue 5/5

11:30 pm-10:05 pm

3 stops30h 35m

$774

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Mon 9/7

4:30 pm-11:20 pm

1 stop22h 50m

Belfast Intl

Mon 9/21

2:40 pm-10:00 am

1 stop27h 20m

$796

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Mon 9/7

4:30 pm-11:20 pm

1 stop22h 50m

Belfast Intl

Mon 9/21

4:45 pm-10:00 am

2 stops25h 15m

$808
Quickest round-trip

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Wed 8/19

4:30 pm-8:40 pm

1 stop20h 10m

Belfast Intl

Mon 8/31

6:10 am-1:20 pm

1 stop15h 10m

$815

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Thu 7/23

4:30 pm-9:00 am

1 stop32h 30m

Belfast Intl

Wed 8/12

6:40 pm-1:35 pm

1 stop26h 55m

$832

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Mon 4/20

8:15 am-9:30 am

2 stops41h 15m

Belfast Intl

Tue 5/5

2:45 pm-5:30 pm

1 stop34h 45m

$852

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Mon 4/6

1:25 pm-11:10 pm

2 stops25h 45m

Belfast Intl

Tue 4/14

6:45 am-11:40 am

2 stops36h 55m

$858

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Tue 9/15

12:00 pm-3:15 pm

2 stops19h 15m

Belfast Intl

Mon 9/28

2:40 pm-10:00 am

1 stop27h 20m

$864

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Tue 5/5

12:55 pm-11:20 pm

2 stops26h 25m

Belfast Intl

Tue 5/12

8:15 pm-4:40 pm

2 stops28h 25m

$867

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Mon 6/1

4:30 pm-11:20 pm

1 stop22h 50m

Belfast Intl

Fri 6/12

7:55 pm-1:20 pm

1 stop25h 25m

$879

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 August is, on average, the cheapest month to fly to Belfast Intl Airport from California, with most prices found around $651. If you’re not able to fly to Belfast Intl Airport in August, then February is your next best option. Flight prices from California to Belfast Intl Airport during February average around $685.

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

14h 00m

Direct flights

None
The fastest flight from California to Belfast Intl Airport takes 14h 00m
There are no direct flights from California to Belfast Intl Airport. There are no popular flight routes from California to Belfast Intl Airport.
Search flight deals

  • 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
7,819 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
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.

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 4/24
Fri 5/1
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Belfast

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to London Heathrow Airportfrom $502
Flights to London Gatwick Airportfrom $423
Flights to London City Airportfrom $616
Flights to London Stansted Airportfrom $434
Flights to London Luton Airportfrom $515
Flights to Glasgow Intl Airportfrom $535
Flights to London Southend Airportfrom $723
Flights to Belfast City Airportfrom $638