Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise 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 Portland, Maine to London
Cheap return flights
Cheap one-way flights
Cheap last-minute flights
Scandinavian Airlines flights from Portland, Maine to London
Our best Scandinavian Airlines deals on Portland, Maine to London flight tickets
JetBlue flights from Portland, Maine to London
Our best JetBlue deals on Portland, Maine to London flight tickets
See travel insights to London from
How to get the cheapest flight ticket from Portland, Maine to London
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 cheapest month to fly to London?
The cheapest month to fly to London from Portland, Maine is in November. Flight prices, which tend to average around £538, are often lower during this time because this is during the off-season. The month of October is another great option to travel to London, with average flight prices from Portland, Maine averaging around £541.
What is the cheapest day to depart on your flight to London?
Our data shows that Monday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £0. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Portland, Maine to London for around £559.
What is the cheapest airline that flies from Portland to London?
JetBlue, Lufthansa, and Finnair are the most popular carriers operating from Portland to London
Which airlines fly to London?
British Airways, Virgin Atlantic and Iberia are the top three most popular airlines that fly to London from Portland, Maine according to our data. British Airways is the first choice among our users, with 40% of people opting to fly with this airline when travelling to London. Keep in mind that there are 9 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.
When to book flights from Portland, Maine to London
Cheap Portland, Maine to London (PWM to LON) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to London
How far is Portland to London by plane?
A flight from Portland to London will travel around 3183.1 mi. Typically, this will take 9h 35m by plane in normal conditions.
When did momondo last update prices for flights from Portland Airport to London?
Prices for flights from Portland Airport to London refresh daily.
How old do you have to be to fly from Portland Airport to London?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to London.
What documentation or ID do you need to fly to London?
The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Travelling to a place near London?
Book flights to London if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Portland to London?
It is quick and easy to find Portland to London 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 London that suits you.
Can I find flights from Portland to London with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Portland to London flights to just show those with flexible booking policies.
How can momondo help me find flights from Portland to London?
momondo helps you find the best flight between Portland and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Portland to London right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Portland to London 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.