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$178+ 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 11/29. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LHR
אוק' 15 — אוק' 221
ד' 10/15
ד' 10/22
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 ספטמבר 15, 2025.

Round-trip from

$500
(Gurufare)

One-way from

$178
(Booking.com)

Popular in

December

Cheapest in

September

Average price

$604
From Pasadena to United Kingdom
Search Deals
One-way flight from Pasadena to United Kingdom
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($100 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in September 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 ספטמבר 15, 2025.

This Gurufare deal was found by Cheapflights users on 9/14. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ש' 10/184:40 pmLAX - LHR
1 stop21h 20mTAP AIR PORTUGAL
ו' 10/317:55 pmLHR - LAX
1 stop27h 05mTAP AIR PORTUGAL
Deal found 9/14$500
This Connections by easyJet deal was found by Cheapflights users on 9/15. 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.
ב' 11/172:30 pmLAX - LGW
1 stop38h 15mMultiple Airlines
ש' 11/226:55 amLGW - LAX
1 stop21h 30mMultiple Airlines
Deal found 9/15$501
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/13. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ו' 10/244:40 pmLAX - LHR
1 stop21h 20mTAP AIR PORTUGAL
ו' 10/317:55 pmLHR - LAX
1 stop27h 05mTAP AIR PORTUGAL
Deal found 9/13$502
This Norse Atlantic Airways deal was found by Cheapflights users on 9/13. 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 Norse Atlantic Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ו' 10/104:30 pmLAX - LGW
Nonstop10h 25mNorse Atlantic UK
ו' 10/1710:55 amLGW - LAX
Nonstop11h 15mNorse Atlantic UK
Deal found 9/13$502
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
ב' 11/172:30 pmLAX - LTN
1 stop34h 00mMultiple Airlines
ש' 11/229:25 amLTN - LAX
1 stop19h 00mMultiple Airlines
Deal found 9/15$504
This Gurufare deal was found by Cheapflights users on 9/14. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ש' 10/184:40 pmLAX - LGW
1 stop33h 05mTAP AIR PORTUGAL
ו' 10/314:40 pmLGW - LAX
1 stop30h 20mTAP AIR PORTUGAL
Deal found 9/14$504
This Mytrip deal was found by Cheapflights users on 9/13. 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.
ו' 10/34:30 pmLAX - LGW
Nonstop10h 25mNorse Atlantic UK
ו' 10/1710:55 amLGW - LAX
Nonstop11h 15mNorse Atlantic UK
Deal found 9/13$506
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/15. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ו' 10/244:40 pmLAX - LGW
1 stop34h 10mTAP AIR PORTUGAL
ו' 10/314:40 pmLGW - LAX
1 stop30h 20mTAP AIR PORTUGAL
Deal found 9/15$507
This Gurufare deal was found by Cheapflights users on 9/13. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
א' 10/194:40 pmLAX - LHR
1 stop22h 15mTAP AIR PORTUGAL
ו' 10/318:15 amLHR - LAX
1 stop38h 45mTAP AIR PORTUGAL
Deal found 9/13$508
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
א' 10/124:30 pmLAX - LGW
Nonstop10h 25mNorse Atlantic UK
ד' 10/2210:55 amLGW - LAX
Nonstop11h 15mNorse Atlantic UK
Deal found 9/14$508
This Norse Atlantic Airways deal was found by Cheapflights users on 9/13. 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 Norse Atlantic Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ד' 9/244:30 pmLAX - LGW
Nonstop10h 25mNorse Atlantic UK
ד' 10/2210:55 amLGW - LAX
Nonstop11h 15mNorse Atlantic UK
Deal found 9/13$510
This CheapOair deal was found by Cheapflights users on 9/15. 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.
ו' 11/145:15 pmLAX - LGW
1 stop20h 10mMultiple Airlines
ש' 11/226:55 amLGW - LAX
1 stop21h 30mMultiple Airlines
Deal found 9/15$511

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 ספטמבר 15, 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 - STN

LAXSTN

Los Angeles

א' 11/9

8:45 am-11:30 am

2 stops18h 45m

London Stansted

ג' 11/18

8:25 pm-4:35 pm

2 stops28h 10m

$519

Los AngelesLondon

LAX - LTN

LAXLTN

Los Angeles

ה' 11/13

1:00 pm-9:05 pm

1 stop24h 05m

London Luton

ה' 11/20

9:50 pm-3:15 pm

1 stop25h 25m

$527

Los AngelesLondon

LAX - STN

LAXSTN

Los Angeles

ג' 11/11

8:45 am-1:50 pm

2 stops21h 05m

London Stansted

ג' 11/18

8:25 pm-4:35 pm

2 stops28h 10m

$537

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

ג' 11/18

6:50 pm-10:35 pm

1 stop19h 45m

London Gatwick

א' 11/23

7:25 am-12:30 pm

1 stop37h 05m

$548

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

ד' 9/24

4:40 pm-11:10 am

Nonstop10h 30m

London Heathrow

ד' 10/22

8:40 am-4:30 pm

1 stop15h 50m

$554

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

ג' 11/4

5:45 pm-12:20 pm

Nonstop10h 35m

London Heathrow

ג' 11/25

10:20 am-5:05 pm

1 stop14h 45m

$557

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

ה' 10/30

4:25 pm-9:40 pm

2 stops22h 15m

London Heathrow

ה' 11/6

6:40 am-5:00 pm

1 stop18h 20m

$558

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

ד' 12/3

10:25 am-8:15 am

1 stop13h 50m

London Heathrow

ג' 12/16

7:30 am-5:05 pm

1 stop17h 35m

$561

Los AngelesGlasgow

LAX - GLA

LAXGLA

Los Angeles

ג' 10/14

9:30 pm-7:40 pm

1 stop14h 10m

Glasgow Intl

ג' 10/28

9:50 am-9:15 pm

1 stop18h 25m

$562

Los AngelesGlasgow

LAX - GLA

LAXGLA

Los Angeles

ד' 10/15

9:30 pm-7:45 pm

1 stop14h 15m

Glasgow Intl

ד' 10/22

8:40 am-8:15 pm

1 stop19h 35m

$563

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

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 ספטמבר 15, 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 ספטמבר 15, 2025.

The most flights from P4S to GB0 are scheduled on a Monday (56 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (52 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 ספטמבר 15, 2025.
Get a feel of what it's like to fly with Delta, American Airlines, and Norse Atlantic UK 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
7,954 reviews

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

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
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

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.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,954 reviews

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

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.
Norse Atlantic UK
7.1
Good
Delta
8.0
Very good
7,954 reviews

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

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.
Iberia
7.0
Good
2,924 reviews
Delta
8.0
Very good
7,954 reviews

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

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.
British Airways
6.7
Okay
7,361 reviews
Delta
8.0
Very good
7,954 reviews

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

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.

  • How long is the flight from Pasadena to United Kingdom?

    For as low as $554, United Airlines can have you in United Kingdom from Pasadena in 10h 30m. Pasadena and United Kingdom are separated by a distance of 5439 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $179. Users have also found prices from $180 and $243 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 (94%), Air France (94%) or Delta (94%) 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 $3,098, our data indicates the cheapest price to be $347. The most popular route (Los Angeles - London Heathrow), is priced around $479.

  • 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 ספטמבר 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$272Average$1,047FlexibilityNo cancel feeOn-time60%
JetBlueCheapest$273Average$899FlexibilityNo cancel feeOn-time62%
SWISSCheapest$336Average$740FlexibilityNo cancel feeOn-time79%
Norse Atlantic UKCheapest$352Average$680FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$363Average$963FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$375Average$660FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$419Average$594FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$469Average$1,003FlexibilityNo cancel feeOn-time72%
Aer LingusCheapest$475Average$867FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$492Average$704FlexibilityNo cancel feeOn-time76%

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