Find flights
When to book
Airlines
FAQs

Cheap flights from the United Kingdom to Pasadena

LHR — LAX
29 Oct — 5 Nov1
1 adult
1 adult, Economy, 0 bags

Find flight deals from United Kingdom to Pasadena

Popular in

December

Cheapest in

February

Average price

£472
Highest demand for flights based on searches. 1% potential increase in price (£5 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to Pasadena

What is the cheapest time of day to fly from GB to P4S?

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

Reviews of airlines servicing Pasadena

Check out reviews from past customers who have flown with United Airlines,Virgin Atlantic, andAer Lingus from the United Kingdom to Pasadena to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,246 reviews
Check prices

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.7

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
10,246 reviews
United Airlines
7.4
Good
10,246 reviews
Check prices

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.7

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Virgin Atlantic
7.4
Good
694 reviews
United Airlines
7.4
Good
10,246 reviews
Check prices

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.7

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Aer Lingus
7.3
Good
1,795 reviews
United Airlines
7.4
Good
10,246 reviews
Check prices

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.7

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Lufthansa
6.8
Okay
8,247 reviews
United Airlines
7.4
Good
10,246 reviews
Check prices

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.7

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
British Airways
6.7
Okay
8,238 reviews
United Airlines
7.4
Good
10,246 reviews
Check prices

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.7

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

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

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as £172. Users have also found prices from £197 and £204 on LEVEL and Norse Atlantic UK, respectively.

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

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

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

    No one likes to see their flight delayed. When booking a flight from United Kingdom to Pasadena consider choosing SriLankan Airlines (95%), Malaysia Airlines (89%) or Fiji Airways (86%) as they are the most reliable in getting you off to your destination on time.

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

    While on average a flight from United Kingdom to Pasadena is generally £2,438, our data shows the cheapest flight currently is £339. When looking at the most popular route, (London Heathrow - Los Angeles), you can expect to pay £305 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from United Kingdom to Pasadena 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for United Kingdom to Pasadena

Heathrow to Los Angeles flights
Heathrow to San Francisco flights
Heathrow to Las Vegas flights
Gatwick to Los Angeles flights
Stansted to Los Angeles flights
London City to Los Angeles flights
Gatwick to San Francisco flights
Gatwick to Las Vegas flights
Stansted to San Francisco flights
London City to San Francisco flights
London City to Las Vegas flights
Heathrow to Ontario flights
Stansted to Las Vegas flights
Heathrow to San Diego flights
Luton to Los Angeles flights
Heathrow to Burbank flights
Luton to San Francisco flights
Heathrow to Long Beach flights
Manchester to Las Vegas flights
Luton to Las Vegas flights
Manchester to Los Angeles flights
Heathrow to San Jose flights
Heathrow to Santa Ana flights
Gatwick to San Diego flights
Manchester to San Francisco flights
Stansted to San Diego flights
London City to San Diego flights
Gatwick to Ontario flights
Manchester to Ontario flights
Edinburgh to Los Angeles flights
Edinburgh to Las Vegas flights
Birmingham to Los Angeles flights
Glasgow Intl to Los Angeles flights
Newcastle upon Tyne to Las Vegas flights
Newcastle upon Tyne to Los Angeles flights
Edinburgh to San Francisco flights
Glasgow Intl to Las Vegas flights
Leeds to Los Angeles flights
Gatwick to Burbank flights
Heathrow to Oakland flights
Gatwick to Oakland flights
Manchester to San Diego flights
Heathrow to Sacramento flights
Gatwick to San Jose flights
London City to Sacramento flights
Dublin to Las Vegas flights
Birmingham to Las Vegas flights
Birmingham to San Francisco flights

Top 10 airlines flying from United Kingdom to Pasadena

AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£172Average£595FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air FranceCheapest£239Average£713FlexibilityNo cancel feeOn-time77%
Search Air France flights
Brussels AirlinesCheapest£338Average£510FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
TAP AIR PORTUGALCheapest£349Average£505FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
SWISSCheapest£351Average£550FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Austrian AirlinesCheapest£354Average£493FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Aer LingusCheapest£358Average£703FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air CanadaCheapest£364Average£495FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapest£365Average£601FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£367Average£723FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

How does Cheapflights help users find flights from United Kingdom to Pasadena?

Deals for United Kingdom to Pasadena flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to Pasadena?

Millions of users choose and trust Cheapflights to book the best flight deals from United Kingdom to Pasadena for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from United Kingdom to Pasadena with no change fees?

Yes, we can. To see specific flights from United Kingdom to Pasadena with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from United Kingdom to Pasadena become cheaper?

Of course! You can now track prices for flights from United Kingdom to Pasadena and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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.