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$400+ Cheap flights from Pasadena, CA to Belfast

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BHD
Nov 1 — Nov 81
Sat 11/1
Sat 11/8
1 adult, Economy
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Cheap flight deals from Pasadena to Belfast

Keep the following information in mind while searching for Pasadena to Belfast flight deals. Data was last updated October 2, 2025.

Round-trip from

$662
(Booking.com)

One-way from

$400
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$806
From Pasadena to Belfast
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One-way flight from Pasadena to Belfast
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Highest demand for flights based on searches. 18% potential increase in price ($216 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Pasadena to Belfast

Cheapest flights from Pasadena to Belfast
Explore the most affordable flight options available from Pasadena to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 2, 2025.

This American Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/38:35 amLAX - BHD
2 stops18h 05mAmerican Airlines
Sat 11/1511:35 amBHD - LAX
1 stop16h 50mAmerican Airlines
Deal found 10/1$668
This American Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/151:25 pmLAX - BHD
1 stop18h 10mAmerican Airlines
Thu 10/231:15 pmBHD - LAX
1 stop15h 00mAmerican Airlines
Deal found 9/30$672
This Delta deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/152:00 pmLAX - BHD
2 stops23h 15mDelta
Tue 11/185:20 pmBHD - LAX
1 stop26h 25mDelta
Deal found 10/1$690
This KLM deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/143:24 pmLAX - BHD
2 stops17h 31mKLM
Tue 10/216:30 amBHD - LAX
1 stop13h 20mKLM
Deal found 9/30$691
This Cheapflightsfares deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/39:00 pmLAX - BHD
1 stop15h 15mBritish Airways
Sat 11/156:35 amBHD - LAX
1 stop19h 55mBritish Airways
Deal found 10/1$706
This Mytrip deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/268:30 amLAX - BFS
3 stops23h 40mMultiple Airlines
Tue 12/28:55 pmBFS - LAX
2 stops26h 20mMultiple Airlines
Deal found 10/2$726
This Mytrip deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/165:30 amLAX - BFS
3 stops29h 25mMultiple Airlines
Sun 11/2311:05 pmBFS - LAX
3 stops47h 55mMultiple Airlines
Deal found 10/2$876
This Trip.com deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/34:30 pmLAX - BFS
1 stop19h 35mMultiple Airlines
Sat 10/1110:40 amBFS - LAX
1 stop35h 30mMultiple Airlines
Deal found 10/1$930
This Mytrip deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3112:35 pmLAX - BFS
1 stop18h 15mMultiple Airlines
Fri 11/77:50 amBFS - LAX
3 stops39h 10mMultiple Airlines
Deal found 10/1$977

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pasadena to Belfast 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, Cheapflights users made 2,558,603 searches. Data last updated October 2, 2025.
Use the filters below to find and compare flights from Pasadena to Belfast that are best for you.

Fly from

Pasadena

Fly to

Belfast

Route

Depart

Return

Price

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Mon 11/3

8:35 am-10:40 am

2 stops18h 05m

Belfast City

Sat 11/15

11:35 am-8:25 pm

1 stop16h 50m

$668

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Fri 1/23

8:15 am-10:30 am

2 stops18h 15m

Belfast City

Tue 2/3

10:00 am-3:50 pm

1 stop13h 50m

$671

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Fri 1/23

3:30 pm-2:15 pm

1 stop14h 45m

Belfast City

Tue 2/3

11:25 am-6:30 pm

1 stop15h 05m

$673

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Wed 10/15

1:25 pm-3:35 pm

1 stop18h 10m

Belfast City

Tue 11/18

8:45 am-3:20 pm

1 stop14h 35m

$673

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Wed 10/15

1:25 pm-3:35 pm

1 stop18h 10m

Belfast City

Thu 10/23

12:40 pm-10:59 pm

2 stops18h 19m

$682

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Wed 10/15

2:00 pm-9:15 pm

2 stops23h 15m

Belfast City

Tue 11/18

5:20 pm-11:45 am

1 stop26h 25m

$690

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Tue 10/14

3:24 pm-4:55 pm

2 stops17h 31m

Belfast City

Tue 10/21

6:30 am-11:50 am

1 stop13h 20m

$691

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Fri 1/23

8:10 am-10:30 am

2 stops18h 20m

Belfast City

Tue 2/3

8:45 am-3:20 pm

1 stop14h 35m

$691

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Wed 11/26

8:30 am-4:10 pm

3 stops23h 40m

Belfast Intl

Tue 12/2

8:55 pm-3:15 pm

2 stops26h 20m

$726

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Sun 11/16

5:30 am-6:55 pm

3 stops29h 25m

Belfast Intl

Sun 11/23

11:05 pm-3:00 pm

3 stops47h 55m

$876

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/30

Showing 1-10 of 18 results
1
2

Best time to book a flight from Pasadena to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast from Pasadena with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Pasadena to Belfast

What is the cheapest time of day to fly from P4S to BFS?

Find hourly flight availability from Pasadena to Belfast. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 2, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Pasadena to Belfast as you normally would.

Reviews of airlines servicing Belfast

Get insights into the airlines that provide service to Belfast. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Belfast. Reviews last updated October 2, 2025.
Get a feel of what it's like to fly with British Airways from Pasadena to Belfast by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,416 reviews

Overall

6.7

Food

6.3

Crew

7.6

Comfort

6.7

Boarding

6.9

Entertainment

6.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.
British Airways
6.7
Okay
7,416 reviews
British Airways
6.7
Okay
7,416 reviews

Overall

6.7

Food

6.3

Crew

7.6

Comfort

6.7

Boarding

6.9

Entertainment

6.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.

Related info for your journey

Find useful and relevant information for your journey from Pasadena to Belfast. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Pasadena to Belfast?

    For as low as $673, American Airlines can have you in Belfast from Pasadena in 14h 45m. Airlines will cover a distance of 5128 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Pasadena to Belfast that include hotel bookings?

    Yes. In addition to deals on Pasadena to Belfast flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pasadena to Belfast?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pasadena to Belfast.

  • Can I find deals for business class flights from Pasadena to Belfast?

    Yes. Cheapflights offers flight deals from Pasadena to Belfast by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Pasadena to Belfast?

    Currently, February is the cheapest month in which you can book a flight from Pasadena to Belfast (average of $657). Flying from Pasadena to Belfast in June is currently the most expensive (average of $1,189). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Pasadena to Belfast

Discover the top airline that operate flights from Pasadena to Belfast. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$599Average$830FlexibilityNo cancel feeOn-time70%

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