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$237+ Cheap flights from Pasadena, CA to the United Kingdom

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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LHR
Apr 8 — Apr 151
Tue 4/8
Tue 4/15
1 adult, Economy
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Cheap flight deals from Pasadena to United Kingdom

Keep the following information in mind while searching for Pasadena to United Kingdom flight deals. Data was last updated April 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$582
(Finnair)

One-way from

$268
(Mytrip)

Popular in

June

Cheapest in

October

Average price

$645
Provider with most accurate pricing for Los Angeles-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-London (LON) flights.
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From Pasadena to United Kingdom
Search Deals
One-way flight from Pasadena to United Kingdom
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($119 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Pasadena to United Kingdom

Cheapest flights from Pasadena to United Kingdom
Explore the most affordable flight options available from Pasadena to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2025.

This Finnair deal was found by Cheapflights users on 4/2. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/301:20 pmLAX - LHR
Nonstop10h 40mFinnair
Sat 5/1010:20 amLHR - LAX
1 stop14h 45mFinnair
Deal found 4/2$582
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/29:25 pmLAX - LGW
1 stop14h 10mMultiple Airlines
Sun 5/189:10 pmLGW - LAX
2 stops29h 55mMultiple Airlines
Deal found 4/2$582
This Netflights deal was found by Cheapflights users on 4/2. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/38:05 amLAX - LHR
1 stop14h 25mAir Canada
Tue 5/132:05 pmLHR - LAX
1 stop17h 02mAir Canada
Deal found 4/2$583
This Booking.com deal was found by Cheapflights users on 4/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/88:15 pmLAX - LHR
1 stop16h 05mAer Lingus
Sat 8/237:40 amLHR - LAX
1 stop18h 45mAer Lingus
Deal found 4/1$584
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/254:30 pmLAX - LGW
Nonstop10h 25mNorse Atlantic UK
Fri 9/510:55 amLGW - LAX
Nonstop11h 15mNorse Atlantic UK
Deal found 4/1$586
This Cheapflightsfares deal was found by Cheapflights users on 4/1. 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.
Tue 4/151:18 pmLAX - LHR
1 stop13h 12mIberia
Sun 4/204:55 pmLHR - LAX
Nonstop11h 20mIberia
Deal found 4/1$588
This Mytrip deal was found by Cheapflights users on 4/2. 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 4/304:30 pmLAX - GLA
1 stop17h 10mMultiple Airlines
Wed 5/78:25 amGLA - LAX
2 stops21h 22mMultiple Airlines
Deal found 4/2$588
This World Air Fares deal was found by Cheapflights users on 4/2. 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 World Air Fares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/242:54 pmLAX - LHR
1 stop13h 26mLufthansa
Wed 5/71:05 pmLHR - LAX
Nonstop11h 10mLufthansa
Deal found 4/2$589
This Cheapflightsfares deal was found by Cheapflights users on 4/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/45:35 pmLAX - GLA
1 stop15h 00mBritish Airways
Wed 11/1211:35 amGLA - LAX
1 stop14h 50mBritish Airways
Deal found 4/2$590
This Mytrip deal was found by Cheapflights users on 3/31. 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.
Mon 4/217:55 pmLAX - LHR
1 stop33h 25mMultiple Airlines
Wed 5/78:40 amLHR - LAX
1 stop15h 50mMultiple Airlines
Deal found 3/31$591
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/289:25 pmLAX - LTN
1 stop16h 50mMultiple Airlines
Thu 5/86:05 amLTN - LAX
1 stop21h 00mMultiple Airlines
Deal found 4/1$591
This American Airlines deal was found by Cheapflights users on 4/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/83:40 pmLAX - LHR
Nonstop10h 25mAmerican Airlines
Sun 8/3110:20 amLHR - LAX
1 stop14h 45mAmerican Airlines
Deal found 4/2$592

Cheapflights Fare Finder

Customize your flight search to find flights from Pasadena to United Kingdom 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 April 3, 2025.
Use the filters below to find and compare flights from Pasadena to the United Kingdom that are best for you.

Fly from

Pasadena

Fly to

United Kingdom

Route

Depart

Return

Price

Los AngelesGlasgow

LAX - GLA

LAXGLA

Los Angeles

Sun 5/4

9:25 pm-2:50 pm

1 stop33h 25m

Glasgow Intl

Wed 5/14

8:00 pm-7:05 pm

1 stop31h 05m

$558

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Fri 5/2

9:25 pm-4:05 pm

Nonstop10h 40m

London Heathrow

Mon 5/19

7:30 am-5:05 pm

1 stop17h 35m

$582

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

Fri 5/2

9:25 pm-7:35 pm

1 stop14h 10m

London Gatwick

Sun 5/18

9:10 pm-7:05 pm

2 stops29h 55m

$582

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Sat 5/3

8:05 am-6:30 am

1 stop14h 25m

London Heathrow

Tue 5/13

2:05 pm-11:07 pm

1 stop17h 02m

$583

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Fri 4/18

8:15 pm-8:20 pm

1 stop16h 05m

London Heathrow

Tue 5/13

12:00 pm-6:25 pm

1 stop14h 25m

$585

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

Mon 8/25

4:30 pm-10:55 am

Nonstop10h 25m

London Gatwick

Sun 9/7

10:55 am-2:10 pm

Nonstop11h 15m

$586

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Wed 4/16

9:25 pm-4:05 pm

Nonstop10h 40m

London Heathrow

Fri 4/25

2:45 pm-6:05 pm

Nonstop11h 20m

$588

Los AngelesGlasgow

LAX - GLA

LAXGLA

Los Angeles

Mon 5/5

3:40 pm-12:50 pm

1 stop13h 10m

Glasgow Intl

Thu 5/15

7:00 am-6:05 pm

1 stop19h 05m

$594

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

Thu 4/24

9:05 am-9:20 am

1 stop16h 15m

London Gatwick

Wed 5/7

3:05 pm-11:48 pm

1 stop16h 43m

$595

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Tue 4/22

12:30 pm-10:50 am

1 stop14h 20m

London Heathrow

Tue 5/13

10:20 am-5:05 pm

1 stop14h 45m

$597

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 60 results
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Best time to book a flight from Pasadena to United Kingdom

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

What is the cheapest month to book a flight from Pasadena to United Kingdom?

Currently, November is the cheapest month in which you can book a flight from Pasadena to United Kingdom (average of $661). Flying from Pasadena to United Kingdom in June is currently the most expensive (average of $1,110). 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 GB?

Find hourly flight availability from Pasadena to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 3, 2025.

When flying from Pasadena to United Kingdom, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Pasadena to United Kingdom

Explore weekly flight availability from Pasadena to United Kingdom. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 3, 2025.

The most flights from P4S to GB0 are scheduled on a Monday (58 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (43 on average).

Rainfall in United Kingdom by month

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

In terms of precipitation, rainfall in United Kingdom ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit United Kingdom when rainfall is around 1.6 in.

Temperature in United Kingdom by month

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

If weather is an important factor for your trip to United Kingdom, 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing United Kingdom

Get insights into the airlines that provide service to United Kingdom. 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 United Kingdom. Reviews last updated April 3, 2025.
See what other customers who have flown with Delta, KLM and Air Transat from Pasadena to United Kingdom have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,897 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

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
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

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
1,323 reviews
Delta
8.0
Very good
7,897 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

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.
Air Transat
7.8
Good
382 reviews
Delta
8.0
Very good
7,897 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

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
1,267 reviews
Delta
8.0
Very good
7,897 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

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.
SWISS
7.5
Good
1,574 reviews
Delta
8.0
Very good
7,897 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

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 United Kingdom. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Pasadena to United Kingdom one-way?

    For one-way options, check prices for Norse Atlantic UK. According to our data, you can fly for as low as $268. Users have also found prices from $270 and $303 on TAP AIR PORTUGAL and WestJet, respectively.

  • What are the most popular routes from Pasadena to United Kingdom?

    The most popular route from Pasadena to United Kingdom is Los Angeles - London Heathrow. You may also consider Los Angeles - London City or Los Angeles - London Gatwick.

  • What are the most reliable airlines from Pasadena to United Kingdom?

    No one likes to see their flight delayed. When booking a flight from Pasadena to United Kingdom consider choosing KLM (91%), Air Canada (88%) or Austrian Airlines (88%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Pasadena to United Kingdom?

    Looking for the cheapest flight from Pasadena to United Kingdom? While on average our users pay $3,212, our data indicates the cheapest price to be $448. The most popular route (Los Angeles - London Heathrow), is priced around $477.

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

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

  • How can I find direct flights from Pasadena to United Kingdom?

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

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

    Yes. Cheapflights offers flight deals from Pasadena to United Kingdom 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 United Kingdom?

    Currently, November is the cheapest month in which you can book a flight from Pasadena to United Kingdom (average of $661). Flying from Pasadena to United Kingdom in June is currently the most expensive (average of $1,110). 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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Alternative routes for Pasadena to United Kingdom

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Pasadena to United Kingdom

Discover the top 10 airlines that operate flights from Pasadena to United Kingdom. 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 April 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$272Average$903FlexibilityNo cancel feeOn-time60%
Norse Atlantic UKCheapest$383Average$676FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$414Average$724FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$418Average$984FlexibilityNo cancel feeOn-time72%
Air FranceCheapest$447Average$876FlexibilityNo cancel feeOn-time77%
KLMCheapest$463Average$982FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$467Average$1,012FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$514Average$691FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$533Average$809FlexibilityNo cancel feeOn-time79%
DeltaCheapest$551Average$987FlexibilityNo cancel feeOn-timeN/A

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