Cheap flights from Maine (ME) to London (LON)

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How to find the cheapest flight from
Maine to London (LON)

All the information you need to plan the best null to LON flight in 2022: compare Maine to London flight prices with the expected peak season, weather and rainfall in London.
How far in advance should I book a flight from Maine to London?

Travelers have found it’s best to book a flight 61 days in advance to save up to 25% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 61 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Maine to London 1-2 weeks in advance for as low as $848, or $969 for flights within the next 24 hours.

What is the cheapest month to fly from Maine to London?

The best pricing can be found in the month of February. Prices to London from Maine average $736. You can even find prices in February for less than $736, as users have found deals to London from as low as $538. The month of July appears to be one of the more expensive times to travel to London from Maine. Flying in the targeted month can save you up to 20%.

When is the cheapest time to fly from Maine to London (ME - LON)?

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

Cheap flights from Maine to London in August, September 2022

The best prices found for Maine to LON flights for August, September
20 Sep - 27 Sep
$728pp
PWM
Portland
American Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
American Airlines
   
2 STOPS
PWM
Portland
28 Sep - 5 Oct
$732pp
BGR
Bangor
United Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
United Airlines
   
2 STOPS
BGR
Bangor
20 Sep - 27 Sep
$735pp
PWM
Portland
American Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
American Airlines
   
2 STOPS
PWM
Portland

Maine to London 2022 flight deals

Cheap flights to London from Maine found for this year
12 Oct - 19 Oct
$722pp
PWM
Portland
American Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
American Airlines
   
2 STOPS
PWM
Portland
12 Oct - 19 Oct
$723pp
PWM
Portland
American Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
American Airlines
   
2 STOPS
PWM
Portland
1 Nov - 8 Nov
$726pp
PWM
Portland
American Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
American Airlines
   
2 STOPS
PWM
Portland

Cheap United Airlines flights from Maine to London

28 Sep - 5 Oct
$732pp
BGR
Bangor
United Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
United Airlines
   
2 STOPS
BGR
Bangor
23 Jan - 29 Jan
$782pp
BGR
Bangor
United Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
United Airlines
   
2 STOPS
BGR
Bangor
1 Sep - 16 Sep
$1,152pp
BGR
Bangor
United Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
United Airlines
 
1 STOP
BGR
Bangor

Cheap Delta flights from Maine to London

24 Sep - 28 Sep
$784pp
PWM
Portland
Delta
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Delta
   
2 STOPS
PWM
Portland
24 Sep - 28 Sep
$802pp
PWM
Portland
Delta
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Delta
 
1 STOP
PWM
Portland
23 Nov - 27 Nov
$827pp
PWM
Portland
Delta
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Delta
 
1 STOP
PWM
Portland

Last minute flights from Maine to London

Late deals on round-trip flights to London from Maine, departing today and this week
16 Aug - 23 Aug
$1,501pp
PWM
Portland
JetBlue
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
JetBlue
 
1 STOP
PWM
Portland
16 Aug - 23 Aug
$1,749pp
PWM
Portland
Multiple Airlines
   
2 STOPS
LGW
London Gatwick
LGW
London Gatwick
Multiple Airlines
   
2 STOPS
PWM
Portland
16 Aug - 23 Aug
$1,773pp
PWM
Portland
Multiple Airlines
   
2 STOPS
LCY
London City
LCY
London City
Multiple Airlines
   
2 STOPS
PWM
Portland

One-way flights to London from Maine

The cheapest one-way flights from Maine to London
6:24 am - 12:05 pm
Turkish Airlines
2 Stops
24h 41m
PWM - LGW
Turkish Airlines
$630
JustFly
5:51 am - 8:45 am
TAP AIR PORTUGAL
2 Stops
45h 54m
PWM - LHR
TAP AIR PORTUGAL
$709
Tripmonster
7:40 am - 4:05 am
KLM
1 Stop
15h 25m
BGR - LHR
KLM
$710
KLM

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Maine</span> to <span class="emphasized">London</span> flights.

Flight FAQs

From Maine to London

Which airlines flying from Maine to London have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Maine to London that may be offering flexible cancellation policies are American Airlines, Delta, and United Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Maine to London for under $800 on Cheapflights?

Yes, there are multiple flights from Maine to London for under $800. The cheapest flight booked recently is on American Airlines for just $722, but on average you can expect to pay $750.

Are there last-minute flights available from Maine to London for under $1,600?

There are currently 18+ open flights from Maine to London within the next 7 days for less than $1,600.

What are the cheapest airlines to fly from Maine to London one-way?

For one-way options, check prices for Turkish Airlines. According to our data, you can fly for as low as $573. Users have also found prices from $709 and $710 on TAP AIR PORTUGAL and KLM, respectively.

What are the cheapest flights from Maine to London?

The cheapest flight price from Maine to London is $709. On average you can expect to pay $989. The most popular route, (Portland - London Heathrow), can usually be booked for $733.

What are the most popular routes from Maine to London?

Most travelers choose Portland - London Heathrow, Portland - London Gatwick or Bangor - London Heathrow when deciding on the best route from Maine to London.

What are the most popular airlines that fly from Maine to London?

When booking a flight from Maine to London, you may want to consider flying on American Airlines, Delta or United Airlines as they are the most popular for this route.

COVID Restrictions

View COVID Travel Restrictions for London, England

Do I need a COVID test to fly to London from Maine?

Information is based on travel restrictions from Maine to London

Most visitors from Maine can enter London without restrictions.

COVID-19 testing requirements
Visitors from Maine are not required to present a negative COVID-19 PCR test or antigen result upon entering London.

Quarantine requirements
Visitors from Maine are not required to quarantine after entering London.

Do I need a test to fly back to Maine from London?

Returning to Maine from London

COVID-19 testing requirements
Visitors from London are not required to present a negative COVID-19 PCR test or antigen result upon entering Maine.

Quarantine requirements
Visitors from London are not required to quarantine after entering Maine.

Hide COVID Travel Restrictions for London, England

Departure points for flights from Maine to London

Select to see more specific information for flights to London from all departure points in Maine.

Top 3 airlines flying from Maine to London

The chart below displays the airlines Cheapflights users traveling from Maine to London choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
American Airlines
$599 $875 No cancel fee 71%
United Airlines
$603 $985 No cancel fee 69%
Delta
$749 $915 No cancel fee N/A