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$172+ Cheap flights from Pasadena, CA to London, ON (YXU)

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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YXU
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from Pasadena to London

Keep the following information in mind while searching for Pasadena to London flight deals. Data was last updated July 31, 2025.

Round-trip from

$431
(oojo)

One-way from

$172
(Trip.com)

Popular in

July

Cheapest in

May

Average price

$558
From Pasadena to London
Search Deals
One-way flight from Pasadena to London
Search Deals
Highest demand for flights based on searches. 28% potential increase in price ($155 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
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Find flight deals from Pasadena to London

Cheapest flights from Pasadena to London
Explore the most affordable flight options available from Pasadena to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This oojo deal was found by Cheapflights users on 7/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/126:05 pmLAX - YXU
1 stop8h 07mWestJet
Sun 9/148:00 pmYXU - LAX
1 stop28h 46mWestJet
Deal found 7/29$431
This United deal was found by Cheapflights users on 7/30. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/287:24 pmLAX - YXU
2 stops16h 38mMultiple Airlines
Sun 8/313:40 pmYXU - LAX
1 stop8h 20mMultiple Airlines
Deal found 7/30$503
This Air Canada deal was found by Cheapflights users on 7/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/281:30 pmLAX - YXU
1 stop16h 47mAir Canada
Sun 8/313:40 pmYXU - LAX
1 stop8h 20mAir Canada
Deal found 7/30$579
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1112:56 amLAX - YXU
2 stops11h 21mUnited Airlines
Sun 9/146:10 amYXU - LAX
1 stop9h 18mUnited Airlines
Deal found 7/29$654

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pasadena to London 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 July 31, 2025.
Use the filters below to find and compare flights from Pasadena to London that are best for you.

Fly from

Pasadena

Fly to

London

Route

Depart

Return

Price

Los AngelesLondon

LAX - YXU

LAXYXU

Los Angeles

Fri 9/12

6:05 pm-5:12 am

1 stop8h 07m

London

Sun 9/14

8:00 pm-9:46 pm

1 stop28h 46m

$431

Los AngelesLondon

LAX - YXU

LAXYXU

Los Angeles

Thu 8/28

7:24 pm-3:02 pm

2 stops16h 38m

London

Sun 8/31

3:40 pm-9:00 pm

1 stop8h 20m

$503

Los AngelesLondon

LAX - YXU

LAXYXU

Los Angeles

Thu 8/28

1:30 pm-9:17 am

1 stop16h 47m

London

Sun 8/31

3:40 pm-9:00 pm

1 stop8h 20m

$579

Los AngelesLondon

LAX - YXU

LAXYXU

Los Angeles

Thu 9/11

12:56 am-3:17 pm

2 stops11h 21m

London

Sun 9/14

6:10 am-12:28 pm

1 stop9h 18m

$654

Los AngelesLondon

LAX - YXU

LAXYXU

Los Angeles

Mon 9/15

11:30 am-5:12 am

2 stops14h 42m

$172

Los AngelesLondon

LAX - YXU

LAXYXU

Los Angeles

Mon 9/15

7:00 am-7:07 pm

1 stop9h 07m

$183

Los AngelesLondon

LAX - YXU

LAXYXU

Los Angeles

Sun 9/14

12:56 am-3:17 pm

2 stops11h 21m

$260

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Best time to book a flight from Pasadena to London

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

How much does it cost to fly round-trip from Pasadena to London, Ontario?

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated July 31, 2025.
Peruse reviews from past customers who have flown with United Airlines, WestJet, and Air Canada from Pasadena to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,900 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Food

6.6

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,900 reviews
United Airlines
7.4
Good
8,900 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Food

6.6

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
WestJet
7.2
Good
2,978 reviews
United Airlines
7.4
Good
8,900 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Food

6.6

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
9,851 reviews
United Airlines
7.4
Good
8,900 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Food

6.6

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Pasadena to London. 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 into for flights to London from Pasadena?

    London (YXU), located 5.3 mi from the city center, is the airport you fly into when you book flights from Pasadena to London. 2 airlines have flights to London from Pasadena on a regular basis. Booking flights from Pasadena to London should not be difficult; the airport handles an average of 0 inbound flights from Pasadena per day.

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

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

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

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

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

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

See more FAQs

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Grand Bend

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Top 2 airlines flying from Pasadena to London

Discover the top 2 airlines that operate flights from Pasadena to London. 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$138Average$438FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$183Average$338FlexibilityNo cancel feeOn-time69%

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