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$168+ 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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LHR
ago. 5 — ago. 121
mar. 8/5
mar. 8/12
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 julio 31, 2025.

Round-trip from

$506
(Iberia)

One-way from

$168
(Booking.com)

Popular in

December

Cheapest in

October

Average price

$779
From Pasadena to United Kingdom
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One-way flight from Pasadena to United Kingdom
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Highest demand for flights based on searches. 10% potential increase in price ($86 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julio 31, 2025.

This Iberia deal was found by Cheapflights users on 7/31. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/248:00 amLAX - LHR
1 stop16h 05mIberia
mar. 9/28:50 pmLHR - LAX
2 stops34h 09mIberia
Deal found 7/31$506
This United Airlines deal was found by Cheapflights users on 7/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/234:13 pmLAX - LHR
1 stop33h 27mUnited Airlines
mar. 9/29:30 amLHR - LAX
1 stop33h 35mUnited Airlines
Deal found 7/31$507
This United deal was found by Cheapflights users on 7/31. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/2011:00 amLAX - LHR
1 stop17h 20mMultiple Airlines
mié. 8/276:50 amLHR - LAX
2 stops20h 50mMultiple Airlines
Deal found 7/31$508
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/104:30 pmLAX - LGW
Nonstop10h 25mNorse Atlantic UK
vie. 9/1910:55 amLGW - LAX
Nonstop11h 15mNorse Atlantic UK
Deal found 7/30$510
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/228:05 amLAX - STN
2 stops19h 45mMultiple Airlines
lun. 9/299:30 pmSTN - LAX
3 stops30h 10mMultiple Airlines
Deal found 7/29$510
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/153:40 pmLAX - LHR
Nonstop10h 25mBritish Airways
mar. 10/2111:40 amLHR - LAX
Nonstop11h 15mBritish Airways
Deal found 7/30$511
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/159:25 pmLAX - LGW
1 stop17h 10mMultiple Airlines
mié. 10/2210:55 amLGW - LAX
Nonstop11h 15mMultiple Airlines
Deal found 7/30$511
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/209:48 amLAX - LHR
1 stop16h 02mDelta
mié. 8/279:00 amLHR - LAX
1 stop17h 10mDelta
Deal found 7/31$512
This SWISS deal was found by Cheapflights users on 7/31. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/17:35 pmLAX - LGW
1 stop14h 20mSWISS
mié. 10/156:35 pmLGW - LAX
1 stop29h 55mSWISS
Deal found 7/31$512
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/87:35 pmLAX - LCY
1 stop13h 40mSWISS
mié. 10/229:25 amLCY - LAX
1 stop15h 05mSWISS
Deal found 7/29$515
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/810:54 amLAX - LHR
1 stop18h 26mAir Canada
mié. 10/229:30 amLHR - LAX
2 stops19h 58mAir Canada
Deal found 7/29$517
This Connections by easyJet deal was found by Cheapflights users on 7/28. 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 Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/89:25 pmLAX - LTN
1 stop17h 10mMultiple Airlines
mar. 10/143:25 pmLTN - LAX
1 stop35h 40mMultiple Airlines
Deal found 7/28$518

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 julio 31, 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 AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

dom. 8/24

8:00 am-8:05 am

1 stop16h 05m

London Heathrow

mar. 9/2

8:50 pm-10:59 pm

2 stops34h 09m

$506

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

sáb. 8/23

4:13 pm-9:40 am

1 stop33h 27m

London Heathrow

mar. 9/2

9:30 am-11:05 am

1 stop33h 35m

$507

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

mié. 8/20

11:00 am-12:20 pm

1 stop17h 20m

London Heathrow

mié. 8/27

6:50 am-7:40 pm

2 stops20h 50m

$508

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

mar. 8/12

1:30 pm-8:00 am

Nonstop10h 30m

London Heathrow

mar. 8/26

11:40 am-2:55 pm

Nonstop11h 15m

$510

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

mié. 9/10

7:50 pm-10:25 pm

1 stop18h 35m

London Gatwick

mar. 9/23

9:45 pm-6:05 pm

1 stop28h 20m

$510

Los AngelesLondon

LAX - STN

LAXSTN

Los Angeles

lun. 9/22

8:05 am-11:50 am

2 stops19h 45m

London Stansted

lun. 9/29

9:30 pm-7:40 pm

3 stops30h 10m

$510

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

mié. 10/15

9:25 pm-10:35 pm

1 stop17h 10m

London Gatwick

mié. 10/22

10:55 am-2:10 pm

Nonstop11h 15m

$511

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

mié. 8/20

9:48 am-9:50 am

1 stop16h 02m

London Heathrow

mié. 8/27

9:00 am-6:10 pm

1 stop17h 10m

$512

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

mié. 10/1

7:35 pm-5:55 pm

1 stop14h 20m

London Gatwick

mié. 10/15

6:35 pm-4:30 pm

1 stop29h 55m

$512

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

jue. 9/4

4:30 pm-10:55 am

Nonstop10h 25m

London Gatwick

dom. 9/14

10:55 am-2:10 pm

Nonstop11h 15m

$515

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

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 $1,097). 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 julio 31, 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 julio 31, 2025.

The most flights from P4S to GB0 are scheduled on a Monday (59 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (44 on average).

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 julio 31, 2025.
Get a feel of what it's like to fly with Delta, KLM, and Austrian Airlines from Pasadena to the United Kingdom by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

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
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

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
1,383 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

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.
Austrian Airlines
7.6
Good
823 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

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
1,316 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

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
1,686 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

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 TAP AIR PORTUGAL. According to our data, you can fly for as low as $168. Users have also found prices from $177 and $234 on Norse Atlantic UK 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 (89%), Air France (89%) or Delta (89%) 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 $3,320, our data indicates the cheapest price to be $377. The most popular route (Los Angeles - London Heathrow), is priced around $425.

  • 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 $1,097). 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 julio 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$272Average$1,047FlexibilityNo cancel feeOn-time60%
JetBlueCheapest$273Average$906FlexibilityNo cancel feeOn-time62%
SWISSCheapest$336Average$810FlexibilityNo cancel feeOn-time79%
Norse Atlantic UKCheapest$362Average$686FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$375Average$673FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$418Average$592FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$427Average$995FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$476Average$881FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$540Average$708FlexibilityNo cancel feeOn-time76%
IberiaCheapest$546Average$785FlexibilityNo cancel feeOn-time77%

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