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$149+ 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 7/17. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YXU
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$351
(Trip.com)

One-way from

$149
(oojo)

Popular in

May

Cheapest in

February

Average price

$592
Provider with most accurate pricing for Los Angeles-London flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-London flights.
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From Pasadena to London
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One-way flight from Pasadena to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($73 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($18 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 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 May 1, 2025.

This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/166:05 pmLAX - YXU
1 stop8h 09mWestJet
Sat 6/216:00 amYXU - LAX
1 stop18h 47mWestJet
Deal found 4/30$351
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/149:10 pmLAX - YXU
2 stops29h 04mMultiple Airlines
Sat 6/216:15 amYXU - LAX
1 stop7h 15mMultiple Airlines
Deal found 4/30$365
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/253:40 pmLAX - YXU
1 stop14h 37mUnited Airlines
Fri 6/276:15 amYXU - LAX
2 stops16h 06mUnited Airlines
Deal found 4/30$413
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/1512:30 amLAX - YXU
2 stops11h 29mAir Canada
Sat 6/216:15 amYXU - LAX
2 stops11h 43mAir Canada
Deal found 4/30$620

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 May 1, 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

Mon 6/16

6:05 pm-5:14 am

1 stop8h 09m

London

Sat 6/21

6:00 am-9:47 pm

1 stop18h 47m

$351

Los AngelesLondon

LAX - YXU

LAXYXU

Los Angeles

Sat 6/14

9:10 pm-5:14 am

2 stops29h 04m

London

Sat 6/21

6:15 am-10:30 am

1 stop7h 15m

$365

Los AngelesLondon

LAX - YXU

LAXYXU

Los Angeles

Wed 6/25

3:40 pm-9:17 am

1 stop14h 37m

London

Fri 6/27

6:15 am-7:21 pm

2 stops16h 06m

$413

Los AngelesLondon

LAX - YXU

LAXYXU

Los Angeles

Sun 6/15

12:30 am-2:59 pm

2 stops11h 29m

London

Sat 6/21

6:15 am-2:58 pm

2 stops11h 43m

$620

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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

Rainfall in London by month

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

In terms of precipitation, rainfall in London, Ontario ranges from 2.8 - 3.9 inches per month. January is typically the wettest month, when rainfall can reach 3.9 in. March is typically the driest time to visit London, Ontario when rainfall is around 2.8 in.

Temperature in London by month

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

If weather is an important factor for your trip to London, Ontario, 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 68.0 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 21.2 F).

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 May 1, 2025.
Read reviews from past customers who have flown United Airlines, WestJet and Air Canada from Pasadena to London. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,696 reviews

Overall

7.4

Comfort

7.3

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
8,696 reviews
United Airlines
7.4
Good
8,696 reviews

Overall

7.4

Comfort

7.3

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
2,826 reviews
United Airlines
7.4
Good
8,696 reviews

Overall

7.4

Comfort

7.3

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
7.0
Good
9,245 reviews
United Airlines
7.4
Good
8,696 reviews

Overall

7.4

Comfort

7.3

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.

  • What are the cheapest airlines to fly from Pasadena to London, Ontario one-way?

    One-way options have recently been found by users for as low as $149 on WestJet. Other airlines that offer cheap prices include Air Canada from $268 and United Airlines from $483 one-way.

  • 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

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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$183Average$322FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$230Average$546FlexibilityNo cancel feeOn-time67%

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