Cheapflights Tip: The best prices from London to Pasadena are usually found in February or September, booked 61 days in advance, depart on a Thursday or Friday and return on a Wednesday
Find flight deals from London to Pasadena
Keep the following information in mind while searching for London to Pasadena flight deals. Data was last updated 23 September 2026.
Popular in
December
Cheapest in
February
Average price
£467
Highest demand for flights based on searches. 1% potential increase in price (£7 potential increase over avg. return price).
Everything you need to know about your flight from London to Pasadena
Prices
Airlines
What is the cheapest time of day to fly from LON to P4S?
Find hourly flight availability from London to Pasadena. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 September 2026.
When flying from London 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.
Weekly flight availability from London to Pasadena
Explore weekly flight availability from London to Pasadena. 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 23 September 2026.
The most flights from LON to P4S are scheduled on a Monday (56 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (56 on average).
Reviews of airlines servicing Pasadena
Get insights into the airlines that provide service to Pasadena. 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 Pasadena. Reviews last updated 23 September 2026.
Check out reviews from past customers who have flown with Finnair,United Airlines, andVirgin Atlantic from London 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.
baggage allowance was different between the outgoing and inbound flights
Related info for your journey
Find useful and relevant information for your journey from London to Pasadena. 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 London to Pasadena one-way?
One-way options have recently been found by users for as low as £171 on WestJet. Other airlines that offer cheap prices include SWISS from £309 and Aer Lingus from £313 one-way.
What are the most popular routes from London to Pasadena?
When deciding which route to take from London to Pasadena consider London Heathrow - Los Angeles, London Gatwick - Los Angeles or London City - Los Angeles as they are the most popular.
What are the most reliable airlines from London to Pasadena?
Before booking your flight to Pasadena from London, check out the most reliable airlines to get you to your destination on time: SriLankan Airlines (95%), Malaysia Airlines (89%), Fiji Airways( 86%).
What are the cheapest flights from London to Pasadena?
On average you can expect to pay £2,402 for a flight from London to Pasadena. The cheapest flight overall is £337 while the most popular route, (London Heathrow - Los Angeles) is currently priced at £301.
Can I find deals for business class flights from London to Pasadena?
Yes. Cheapflights offers flight deals from London 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.
Browse through other flights departing from London. Flights are based on user searches made on Cheapflights and were last updated on 23 September 2026.
Discover the top 10 airlines that operate flights from London to Pasadena. 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 7,457,451 searches. Data last updated 23 September 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from London to Pasadena?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from London to Pasadena. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from London to Pasadena?
Cheapflights simply makes it quick and affordable to book flights from London to Pasadena by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from London to Pasadena with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from London to Pasadena, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from London to Pasadena become cheaper?
Yes, Cheapflights offers price alerts on London to Pasadena flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.
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