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$403+ 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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BHD
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Round-trip from

$593
(Cheapflightsfares)

One-way from

$403
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$846
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. 12% potential increase in price ($118 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/158:05 pmLAX - BHD
1 stop14h 35mBritish Airways
Thu 10/231:15 pmBHD - LAX
1 stop15h 00mBritish Airways
Deal found 4/30$593
This American Airlines deal was found by Cheapflights users on 4/30. 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 10/153:07 pmLAX - BHD
2 stops16h 28mAmerican Airlines
Thu 10/2312:40 pmBHD - LAX
1 stop15h 35mAmerican Airlines
Deal found 4/30$621
This KLM deal was found by Cheapflights users on 5/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/241:50 pmLAX - BHD
1 stop19h 05mKLM
Tue 9/305:25 pmBHD - LAX
1 stop26h 25mKLM
Deal found 5/1$734
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/284:30 pmLAX - BFS
1 stop21h 55mMultiple Airlines
Thu 8/148:20 amBFS - LAX
2 stops21h 50mMultiple Airlines
Deal found 4/30$751
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/14:30 pmLAX - BHD
1 stop19h 55mMultiple Airlines
Sat 8/166:55 amBHD - LAX
2 stops23h 15mMultiple Airlines
Deal found 4/30$793
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/276:00 amLAX - BHD
2 stops31h 15mDelta
Thu 8/146:30 amBHD - LAX
1 stop16h 20mDelta
Deal found 4/30$832
This FlightHub deal was found by Cheapflights users on 4/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/298:15 pmLAX - BHD
2 stops16h 35mAer Lingus
Wed 8/137:00 amBHD - LAX
2 stops19h 25mAer Lingus
Deal found 4/30$985
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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.
Thu 7/311:30 pmLAX - BHD
1 stop13h 40mFinnair
Wed 8/278:15 pmBHD - LAX
2 stops28h 50mFinnair
Deal found 4/29$1,810
This KAYAK deal was found by Cheapflights users on 5/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/210:37 amLAX - BHD
2 stops17h 18mIberia
Sun 7/206:50 amBHD - LAX
2 stops20h 50mIberia
Deal found 5/1$3,385

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 May 1, 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

Wed 10/15

8:05 pm-6:40 pm

1 stop14h 35m

Belfast City

Thu 10/23

1:15 pm-8:15 pm

1 stop15h 00m

$593

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Wed 10/15

3:07 pm-3:35 pm

2 stops16h 28m

Belfast City

Thu 10/23

12:40 pm-8:15 pm

1 stop15h 35m

$621

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Wed 9/24

1:50 pm-4:55 pm

1 stop19h 05m

Belfast City

Tue 9/30

5:25 pm-11:50 am

1 stop26h 25m

$734

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Mon 7/28

4:30 pm-10:25 pm

1 stop21h 55m

Belfast Intl

Thu 8/14

8:20 am-10:10 pm

2 stops21h 50m

$751

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Fri 8/1

4:30 pm-8:25 pm

1 stop19h 55m

Belfast City

Sat 8/16

6:55 am-10:10 pm

2 stops23h 15m

$793

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Sun 7/27

7:00 am-9:15 pm

2 stops30h 15m

Belfast City

Tue 8/12

5:25 pm-2:50 pm

1 stop29h 25m

$832

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Tue 7/29

8:15 pm-8:50 pm

2 stops16h 35m

Belfast City

Wed 8/13

7:00 am-6:25 pm

2 stops19h 25m

$985

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Thu 7/31

1:30 pm-11:10 am

1 stop13h 40m

Belfast City

Wed 8/27

8:15 pm-5:05 pm

2 stops28h 50m

$1,810

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Wed 7/2

10:37 am-11:55 am

2 stops17h 18m

Belfast City

Sun 7/20

6:50 am-7:40 pm

2 stops20h 50m

$3,385

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Sun 6/15

9:10 pm-4:40 pm

3 stops59h 30m

$403

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 11 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 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.

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 May 1, 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.

Rainfall in Belfast by month

Plan your trip to Belfast by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Belfast ranges from 2.0 - 3.5 inches per month. October is typically the wettest month, when rainfall can reach 3.5 in. April is typically the driest time to visit Belfast when rainfall is around 2.0 in.

Temperature in Belfast by month

Plan your trip to Belfast by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Belfast, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 May 1, 2025.
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Aer Lingus
7.0
Good
1,076 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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 2 airlines flying from Pasadena to Belfast

Discover the top 2 airlines 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$599Average$956FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$703Average$934FlexibilityNo cancel feeOn-time71%

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