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Cheap flights from London, ON to Pasadena from C$ 369

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 16/12. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — LAX
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from London to Pasadena

Enter your travel dates to find the best prices.

Cheapest flights from London to Pasadena
Explore the most affordable flight options available from London to Pasadena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 November 2025.

Tue 23/129:25 a.m.YXU - LAX
2 stops16h 30mUnited Airlines
Wed 31/126:40 a.m.LAX - YXU
2 stops23h 06mUnited Airlines
Deal found 5/11C$ 831
Mon 10/115:15 a.m.YXU - LAX
1 stop8h 17mUnited Airlines
Thu 18/128:55 a.m.LAX - YXU
2 stops20h 51mUnited Airlines
Deal found 3/11C$ 1,036
Tue 23/128:10 p.m.YXU - LAX
2 stops16h 55mMultiple Airlines
Wed 31/1210:50 a.m.LAX - YXU
3 stops16h 44mMultiple Airlines
Deal found 5/11C$ 1,095
Mon 10/118:10 p.m.YXU - LAX
1 stop28h 53mWestJet
Thu 18/127:00 a.m.LAX - YXU
1 stop20h 34mWestJet
Deal found 3/11C$ 1,267
Thu 6/119:25 a.m.YXU - LAX
1 stop8h 52mUnited Airlines
Sun 9/1112:25 a.m.LAX - YXU
2 stops13h 40mUnited Airlines
Deal found 4/11C$ 1,405
Tue 23/129:25 a.m.YXU - LAX
1 stop15h 03mAir Canada
Wed 31/1210:55 p.m.LAX - YXU
1 stop6h 51mAir Canada
Deal found 5/11C$ 1,439

Cheap flight deals from London to Pasadena

Keep the following information in mind while searching for London to Pasadena flight deals. Data was last updated 5 November 2025.

Round-trip from

C$ 400

One-way from

C$ 369

Popular in

October

Cheapest in

June

Average price

C$ 566
WestJet
  • WestJet
  • 16/1-25/1
  • 2 total stops
  • 26h 45m total
  • London to Pasadena
Search Deals
United Airlines
  • United Airlines
  • 16/12
  • 2 total stops
  • 15h 15m total
  • London to Pasadena
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (C$ 178 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from London to Pasadena 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 629,999 searches. Data last updated 5 November 2025.
Use the filters below to find and compare flights from London to Pasadena that are best for you.

Fly from

London

Fly to

Pasadena

Route

Depart

Return

Price

LondonLos Angeles

YXU - LAX

YXULAX

London

Fri 16/1

7:30 a.m.-10:03 p.m.

1 stop17h 33m

Los Angeles

Sun 25/1

7:00 a.m.-7:12 p.m.

1 stop9h 12m

C$ 400

LondonLos Angeles

YXU - LAX

YXULAX

London

Sun 22/2

8:10 p.m.-11:00 a.m.

2 stops17h 50m

Los Angeles

Thu 26/2

11:50 a.m.-6:35 a.m.

2 stops15h 45m

C$ 497

LondonLos Angeles

YXU - LAX

YXULAX

London

Fri 16/1

5:10 a.m.-10:32 a.m.

1 stop8h 22m

Los Angeles

Sat 24/1

12:40 a.m.-5:05 p.m.

2 stops13h 25m

C$ 546

LondonLos Angeles

YXU - LAX

YXULAX

London

Sun 22/2

9:25 a.m.-6:45 p.m.

2 stops12h 20m

Los Angeles

Wed 25/2

12:55 a.m.-5:05 p.m.

2 stops13h 10m

C$ 553

LondonLos Angeles

YXU - LAX

YXULAX

London

Sun 22/2

5:10 a.m.-3:35 p.m.

2 stops13h 25m

Los Angeles

Thu 26/2

5:05 a.m.-5:05 p.m.

2 stops9h 00m

C$ 555

LondonLos Angeles

YXU - LAX

YXULAX

London

Fri 19/12

5:10 a.m.-7:20 p.m.

2 stops17h 10m

C$ 431

LondonLos Angeles

YXU - LAX

YXULAX

London

Tue 11/11

8:10 p.m.-5:44 p.m.

3 stops48h 34m

C$ 605

LondonLos Angeles

YXU - LAX

YXULAX

London

Tue 11/11

9:25 a.m.-3:17 p.m.

1 stop8h 52m

C$ 639

LondonLos Angeles

YXU - LAX

YXULAX

London

Fri 19/12

7:30 a.m.-4:58 p.m.

1 stop12h 28m

C$ 863

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/11

Best time to book a flight from London to Pasadena

Have a flexible travel schedule? Discover the best time to fly to Pasadena from London 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 London to Pasadena

What is the cheapest month to book a flight from London, Ontario to Pasadena?

Currently, August is the cheapest month in which you can book a flight from London, Ontario to Pasadena (average of C$ 113). Flying from London, Ontario to Pasadena in January is currently the most expensive (average of C$ 298). 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 YXU to P4S?

Find hourly flight availability from London to Pasadena. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 5 November 2025.

A simple way to save on the total cost of your ticket is to fly from London, Ontario to Pasadena in the evening. If you’re flexible enough to do this you can expect to save up to 32% on your trip compared to booking a flight at noon.

Reviews of airlines servicing Pasadena

Get insights into the airlines that provide service to Pasadena. 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 Pasadena. Reviews last updated 5 November 2025.
Get a feel of what it's like to fly with United Airlines,WestJet, andAir Canada from London to Pasadena by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,002 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
9,002 reviews
United Airlines
7.4
Good
9,002 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
WestJet
7.2
Good
3,153 reviews
United Airlines
7.4
Good
9,002 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Air Canada
7.1
Good
10,408 reviews
United Airlines
7.4
Good
9,002 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

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

  • What airport do you fly from for flights from London to Pasadena?

    London (YXU) is the airport you will fly out of if you book a flight from London to Pasadena. You should not have trouble finding flights to Pasadena from London; the airport handles an average of 0 outbound flights to Pasadena per day. You should also have plenty of airline options to choose from since 3 airlines have flights from the London airport to Pasadena. It is only a 8.6 km journey to London (YXU) from London’s city centre.

  • How long is the flight from London, Ontario to Pasadena?

    WestJet and United Airlines can get you from London, Ontario to Pasadena in just under 8h 22m. Your travel time can differ by up to 9h 11m. The distance between London, Ontario and Pasadena is about 3364 km. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London to Pasadena 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 London, Ontario to Pasadena?

    Currently, August is the cheapest month in which you can book a flight from London, Ontario to Pasadena (average of C$ 113). Flying from London, Ontario to Pasadena in January is currently the most expensive (average of C$ 298). 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

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Top 3 airlines flying from London to Pasadena

Discover the top 3 airlines that operate flights from London to Pasadena. 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 629,999 searches. Data last updated 5 November 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 291AverageC$ 386FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 346AverageC$ 442FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 349AverageC$ 528FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Pasadena?

Cheapflights helps you search for flights from London to Pasadena via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from London to Pasadena?

Cheapflights helps you find that perfect flight to Pasadena from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from London to Pasadena with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to Pasadena flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from London to Pasadena become cheaper?

Yes, Cheapflights offers price alerts on London to Pasadena flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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