HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
United Kingdom

$210+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LHR
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Pasadena to United Kingdom with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 January 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Sat 1/314:45 pm
LAX
-
MAN
1 stop33h 50m
TAP AIR PORTUGAL
Mon 2/165:05 pm
MAN
-
LAX
1 stop29h 55m
TAP AIR PORTUGAL
Deal found 1/27$488
This oojo deal was found by Cheapflights users on 1/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/197:55 pm
LAX
-
MAN
1 stop31h 40m
TAP AIR PORTUGAL
Mon 3/305:55 pm
MAN
-
LAX
1 stop28h 50m
TAP AIR PORTUGAL
Deal found 1/28$560
This United Airlines deal was found by Cheapflights users on 1/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/410:45 pm
LAX
-
EDI
2 stops29h 25m
United Airlines
Wed 10/79:00 am
EDI
-
LAX
1 stop19h 38m
United Airlines
Deal found 1/28$563
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Wed 5/68:10 pm
LAX
-
MAN
1 stop12h 40m
Multiple Airlines
Wed 5/277:20 am
MAN
-
LAX
2 stops42h 50m
Multiple Airlines
Deal found 1/27$574
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 5/48:10 pm
LAX
-
EDI
1 stop15h 40m
Multiple Airlines
Thu 5/145:30 pm
EDI
-
LAX
1 stop32h 40m
Multiple Airlines
Deal found 1/27$585
This KAYAK deal was found by Cheapflights users on 1/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/28:15 am
LAX
-
EDI
2 stops19h 45m
Lufthansa
Wed 11/46:00 am
EDI
-
LAX
2 stops20h 01m
Lufthansa
Deal found 1/29$589
This KAYAK deal was found by Cheapflights users on 1/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/22:12 pm
LAX
-
EDI
2 stops42h 43m
Lufthansa
Thu 11/56:00 am
EDI
-
LAX
1 stop15h 05m
Lufthansa
Deal found 1/29$590
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Tue 5/58:10 pm
LAX
-
EDI
1 stop15h 40m
Multiple Airlines
Sat 5/165:55 am
EDI
-
LAX
1 stop21h 15m
Multiple Airlines
Deal found 1/27$592
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/168:10 pm
LAX
-
EDI
1 stop15h 40m
Multiple Airlines
Wed 8/267:25 am
EDI
-
LAX
2 stops17h 45m
Multiple Airlines
Deal found 1/28$593
This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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.
Mon 3/25:30 pm
LAX
-
LHR
1 stop14h 20m
Multiple Airlines
Fri 3/139:00 am
LHR
-
LAX
1 stop15h 35m
Multiple Airlines
Deal found 1/27$594
This FlightHub deal was found by Cheapflights users on 1/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/244:45 pm
LAX
-
LGW
1 stop33h 05m
TAP AIR PORTUGAL
Fri 3/64:40 pm
LGW
-
LAX
1 stop30h 20m
TAP AIR PORTUGAL
Deal found 1/28$594
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Sun 3/17:10 pm
LAX
-
LHR
1 stop14h 40m
SWISS
Mon 3/169:00 am
LHR
-
LAX
1 stop15h 35m
SWISS
Deal found 1/27$595

Find 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$560
(oojo)

One-way from

$210
(oojo)

Popular in

December

Cheapest in

September

Average price

$738
Provider with most accurate pricing for Los Angeles-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-London (LON) flights.
Search Deals
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 ($113 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 29, 2026.
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 - LTN

LAXLTN

Los Angeles

Wed 3/11

7:35 am-6:15 pm

3 stops27h 40m

London Luton

Wed 3/18

6:55 pm-4:15 pm

2 stops28h 20m

$596

Los AngelesLondon

LAX - STN

LAXSTN

Los Angeles

Tue 2/24

4:45 pm-11:10 pm

2 stops22h 25m

London Stansted

Thu 3/5

6:30 am-11:00 am

3 stops36h 30m

$597

Los AngelesLondon

LAX - STN

LAXSTN

Los Angeles

Sun 3/1

7:35 am-4:10 pm

3 stops24h 35m

London Stansted

Fri 3/6

7:30 am-10:00 pm

2 stops22h 30m

$603

Los AngelesManchester

LAX - MAN

LAXMAN

Los Angeles

Wed 3/4

2:20 pm-4:55 pm

2 stops18h 35m

Manchester

Tue 3/10

6:25 am-4:15 pm

1 stop16h 50m

$605

Los AngelesGlasgow

LAX - GLA

LAXGLA

Los Angeles

Thu 3/5

6:00 pm-5:50 pm

1 stop15h 50m

Glasgow Intl

Mon 3/9

6:35 am-7:30 pm

1 stop19h 55m

$610

Los AngelesGlasgow

LAX - GLA

LAXGLA

Los Angeles

Sun 3/15

10:00 pm-9:25 pm

1 stop16h 25m

Glasgow Intl

Sun 3/22

3:55 pm-7:30 pm

1 stop34h 35m

$610

Los AngelesEdinburgh

LAX - EDI

LAXEDI

Los Angeles

Tue 5/5

5:05 pm-4:30 pm

1 stop15h 25m

Edinburgh Turnhouse

Tue 5/12

11:25 am-6:38 pm

1 stop15h 13m

$617

Los AngelesManchester

LAX - MAN

LAXMAN

Los Angeles

Sun 3/1

7:30 pm-9:30 am

1 stop30h 00m

Manchester

Tue 3/10

6:35 pm-6:00 pm

2 stops30h 25m

$618

Los AngelesManchester

LAX - MAN

LAXMAN

Los Angeles

Thu 3/19

10:00 pm-10:15 pm

1 stop17h 15m

Manchester

Mon 3/23

6:05 am-7:30 pm

1 stop20h 25m

$618

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Thu 3/12

8:00 pm-1:30 pm

Nonstop10h 30m

London Heathrow

Thu 3/19

6:35 am-4:15 pm

1 stop16h 40m

$619

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 60 results
1
2
3
...
6

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, October is the cheapest month in which you can book a flight from Pasadena to United Kingdom (average of $222). Flying from Pasadena to United Kingdom in June is currently the most expensive (average of $569). 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 January 29, 2026.

When flying from Pasadena to United Kingdom, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 33% versus a flight in the morning.

What is the cheapest day to fly from Pasadena to United Kingdom?

Use this chart to determine the cheapest time to fly round-trip from Pasadena to United Kingdom. Price data was last updated on January 24, 2026.

Travelers seeking maximum savings on their Pasadena to United Kingdom flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 January 29, 2026.

The most flights from P4S to GB0 are scheduled on a Thursday (51 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (27 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 January 29, 2026.
Get a feel of what it's like to fly with Delta, Virgin Atlantic, and American 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
7.9
Good
8,127 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

7.9

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
7.9
Good
8,127 reviews
Delta
7.9
Good
8,127 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

7.9

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.
Virgin Atlantic
7.5
Good
678 reviews
Delta
7.9
Good
8,127 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

7.9

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
11,206 reviews
Delta
7.9
Good
8,127 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

7.9

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
7.2
Good
Delta
7.9
Good
8,127 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

7.9

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
7,705 reviews
Delta
7.9
Good
8,127 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

7.9

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 $610, Lufthansa can have you in United Kingdom from Pasadena in 15h 50m. Pasadena and United Kingdom are separated by a distance of 5120 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 $139. Users have also found prices from $168 and $212 on TAP AIR PORTUGAL and British Airways, 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 Gatwick or Los Angeles - London Stansted.

  • 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 Air Canada (93%), Austrian Airlines (93%) or United Airlines (93%) 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 $3,136, our data indicates the cheapest price to be $254. The most popular route (Los Angeles - London Heathrow), is priced around $460.

  • 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, October is the cheapest month in which you can book a flight from Pasadena to United Kingdom (average of $222). Flying from Pasadena to United Kingdom in June is currently the most expensive (average of $569). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Pasadena to United Kingdom

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Heathrow flights
San Francisco to Heathrow flights
Los Angeles to Charles de Gaulle flights
San Francisco to Charles de Gaulle flights
Los Angeles to Leonardo da Vinci/Fiumicino flights
San Francisco to Leonardo da Vinci/Fiumicino flights
Los Angeles to Istanbul flights
Los Angeles to Madrid flights
Los Angeles to Gatwick flights
San Francisco to Gatwick flights
San Francisco to Barcelona-El Prat flights
Los Angeles to Stansted flights
Los Angeles to Barcelona-El Prat flights
Los Angeles to London City flights
San Francisco to Istanbul flights
Los Angeles to Orly flights
Los Angeles to Dublin flights
Los Angeles to Amsterdam flights
San Francisco to Dublin flights
San Francisco to London City flights
San Francisco to Lisbon flights
Los Angeles to Frankfurt flights
San Francisco to Stansted flights
Los Angeles to Athens flights
San Francisco to Amsterdam flights
San Francisco to Frankfurt flights
San Francisco to Madrid flights
San Francisco to Zurich flights
San Francisco to Athens flights
San Diego to Heathrow flights
San Francisco to Orly flights
Ontario to Heathrow flights
Ontario to Charles de Gaulle flights
Los Angeles to Zurich flights
Los Angeles to Copenhagen flights
San Francisco to Malpensa flights
Los Angeles to Malpensa flights
Ontario to Leonardo da Vinci/Fiumicino flights
San Francisco to Linate flights
Santa Ana to Charles de Gaulle flights
Las Vegas to Heathrow flights
Los Angeles to Luton flights
Santa Ana to Leonardo da Vinci/Fiumicino flights
Los Angeles to Lisbon flights
San Francisco to Munich flights
Los Angeles to Sabiha Gokcen flights
San Francisco to Copenhagen flights
Los Angeles to Linate flights
Los Angeles to Frederic Chopin flights
Burbank to Charles de Gaulle flights

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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$273Average$917FlexibilityNo cancel feeOn-time62%
SWISSCheapest$336Average$775FlexibilityNo cancel feeOn-time79%
Norse Atlantic UKCheapest$352Average$680FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$375Average$571FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$468Average$653FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$476Average$861FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$485Average$698FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$531Average$908FlexibilityNo cancel feeOn-time67%
DeltaCheapest$540Average$947FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$549Average$897FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.