Cheap flights from Maine to London from $163
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Maine to London departing on 7/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Maine to London Heathrow Airport
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 Heathrow Airport?
The month of April is, on average, the cheapest month to fly to London Heathrow Airport from Maine, with most prices found around $721. If you’re not able to fly to London Heathrow Airport in April, then May is your next best option. Flight prices from Maine to London Heathrow Airport during May average around $750.
What is the cheapest day to depart on your flight to London Heathrow Airport?
Our data shows that Sunday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $852. The most expensive day to fly to London Heathrow Airport is Wednesday, with ticket prices averaging around $1,003.
What is the cheapest airline that flies from Maine to London Heathrow?
Icelandair, TAP AIR PORTUGAL, and British Airways are the most popular carriers operating from Maine to London Heathrow
What airlines fly to London Heathrow Airport?
United Airlines, American Airlines and Delta are the top three most popular airlines that fly to London Heathrow Airport from Maine according to our data. United Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 4 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Maine to London Heathrow Airport on average per week?
The number of flights available between Maine and London Heathrow Airport is 232 per week as of June 2025. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.
How long does it take to fly to London Heathrow Airport?
On average, it takes 10h 10m to fly from Maine to London Heathrow Airport if you fly out of Portland (the most popular airport in Maine) and into London Heathrow Airport (the most popular airport in London Heathrow Airport). If you’re flying out of Bangor and into London Heathrow Airport, then the flight time is around 10h 19m.
Cheap Maine to London Heathrow Airport flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Maine to London Heathrow Airport
When did momondo last update prices for flights from Maine to London Heathrow Airport?
Prices for flights from Maine to London Heathrow Airport are updated daily.
How many operators does momondo search for flights from Maine to London Heathrow Airport?
There are 19 operators available for flights from Maine to London Heathrow Airport as of June 2025.
How old do you have to be to fly from Maine to London Heathrow Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Maine to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The necessary travel and health documents for your London Heathrow Airport 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.
Best airlines flying from Maine to London Heathrow Airport
Compare and see reviews for airlines that fly from Maine to London Heathrow Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $586 | Free Cancellation | Rating 7.3 2,923 reviews | |||
| PriceFrom $611 | Free Cancellation | Rating 7.4 8,810 reviews | |||
| PriceFrom $786 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $825 | Free Cancellation | Rating 8.0 7,964 reviews |
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Why should I use momondo to find a flight deal from Maine to London?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Maine to London for you.
Can I find flights from Maine to London with flexible booking policies on momondo?
Yes. All flights to London from Maine on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Maine to London?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Maine.
I’m not ready to book a flight from Maine to London right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Maine to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.