Cheap flights from London to Phoenix from $318
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Phoenix departing on 9/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from London to Phoenix
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
United Airlines flights from London to Phoenix
Our best United Airlines deals on London to Phoenix flight tickets
Aer Lingus flights from London to Phoenix
Our best Aer Lingus deals on London to Phoenix flight tickets
See travel insights to Phoenix from
How to get the cheapest flight ticket from London to Phoenix
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between London and Phoenix?
What is the cheapest month to fly to Phoenix?
If you are unable to visit Phoenix during the month of September, then departing from London during the month February is also very affordable. Most momondo users find prices during this month for around $793.
What is the cheapest day to depart on your flight to Phoenix?
On average, the least expensive day to fly to Phoenix from London is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $931. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from London because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,085.
What is the cheapest time of day to depart on your flight to Phoenix?
The cheapest time of day to fly to Phoenix is in the morning when flights can be purchased for as low as $916. At noon is when there is more demand to fly to Phoenix, so prices are often more expensive at around $964 per ticket.
What is the cheapest London to Phoenix flight route?
Fly from London Heathrow to Phoenix Sky Harbor Intl for the best London - Phoenix flight prices
How far in advance should I book a flight to Phoenix?
You are more likely to see cheaper flights to Phoenix from London when booking 24 weeks ahead of your departure date. In general, you can expect to find flights to Phoenix for around $924 when searching 24 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phoenix from London for as low as $822 on momondo.
What cabin class options are available on London to Phoenix flights?
There are 3 cabin classes available to choose from on London to Phoenix flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from London to Phoenix?
WestJet and Air Transat are the most popular carriers operating from London to Phoenix
What airlines fly to Phoenix?
British Airways, American Airlines and Iberia are the top three most popular airlines that fly to Phoenix from London according to our data. British Airways is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Phoenix. Keep in mind that there are 4 different airlines that fly to Phoenix on a routine basis, so you have a few additional options to choose from.
How many flights depart from London to Phoenix on average per day?
The number of flights available between London and Phoenix is 8 per day as of June 2025. The most frequent departure time is 11:00AM, with 50% of daily flights leaving at noon.
How many flights depart from London to Phoenix on average per week?
The number of flights available between London and Phoenix is 56 per week as of June 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.
Cheap London to Phoenix flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London to Phoenix
How far is London to Phoenix by plane?
There are 5266.6 mi between London and Phoenix. Typically, this will take 10h 50m by plane in normal conditions.
When did momondo last update prices for flights from London to Phoenix?
Prices for flights from London to Phoenix are updated daily.
How many operators does momondo search for flights from London to Phoenix?
There are 4 operators available for flights from London to Phoenix as of June 2025.
How old do you have to be to fly from London to Phoenix?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Phoenix.
What documentation or ID do you need to fly to Phoenix?
The travel and health documents you'll need for your trip to Phoenix may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Phoenix. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from London to Phoenix
Compare and see reviews for airlines that fly from London to Phoenix with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $603 | Free Cancellation | Rating 7.3 2,925 reviews | |||
| PriceFrom $743 | Free Cancellation | Rating 6.6 7,008 reviews | |||
| PriceFrom $750 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $805 | Free Cancellation | Rating 7.0 2,776 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from London to Phoenix?
It is quick and easy to find London to Phoenix flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Phoenix that suits you.
Can I find flights from London to Phoenix with flexible booking policies on momondo?
All flight searches from London to Phoenix on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from London to Phoenix?
Once all potential London to Phoenix flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from London to Phoenix right now. Can momondo alert me if prices change?
Yes. momondo can track prices for London to Phoenix flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.