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Cheap flights from Maine to the United Kingdom from $168

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 the United Kingdom departing on 8/19. 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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Find the cheapest flights from Maine to the United Kingdom

Cheap round-trip flights

Lufthansa Logo
6:30 pm - 9:20 amBOS-LHR
9h 50m1 stop
Lufthansa Logo
8:40 am - 3:25 pmLHR-BOS
11h 45m1 stop
$349Lufthansa
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Mon, Sep 8 - Wed, Sep 10
Lufthansa Logo
6:30 pm - 11:25 amBOS-LHR
11h 55m1 stop
Lufthansa Logo
8:40 am - 3:25 pmLHR-BOS
11h 45m1 stop
$351Lufthansa
Find Deal
Mon, Sep 8 - Wed, Sep 10
British Airways Logo
7:40 pm - 7:20 amBOS-LHR
6h 40mnonstop
British Airways Logo
10:50 am - 7:50 pmLHR-BOS
14h 00m1 stop
$366British Airways
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Wed, Oct 1 - Thu, Oct 2
British Airways Logo
8:05 pm - 7:50 amBOS-LHR
6h 45mnonstop
British Airways Logo
6:10 am - 3:00 pmLHR-BOS
13h 50m1 stop
$367British Airways
Find Deal
Fri, Sep 5 - Sun, Sep 7
Iberia Logo
8:10 pm - 7:50 amBOS-LHR
6h 40mnonstop
Iberia Logo
8:50 pm - 9:15 pmLHR-BOS
29h 25m1 stop
$369Iberia
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Tue, Sep 2 - Wed, Sep 3
Logo
3:15 pm - 9:35 amBOS-LHR
13h 20m1 stop
Logo
8:40 am - 3:25 pmLHR-BOS
11h 45m1 stop
$371
Find Deal
Wed, Oct 1 - Fri, Oct 3
SWISS Logo
9:40 pm - 1:00 pmBOS-LHR
10h 20m1 stop
SWISS Logo
1:45 pm - 7:55 pmLHR-BOS
11h 10m1 stop
$372SWISS
Find Deal
Sun, Sep 14 - Wed, Sep 24
Iberia Logo
8:05 pm - 7:50 amBOS-LHR
6h 45mnonstop
Iberia Logo
8:00 pm - 3:00 pmLHR-BOS
24h 00m1 stop
$373Iberia
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Sun, Oct 5 - Mon, Oct 6
Logo
9:40 pm - 1:00 pmBOS-LHR
10h 20m1 stop
Logo
6:00 am - 1:50 pmLHR-BOS
12h 50m1 stop
$378
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Mon, Sep 8 - Wed, Sep 10
SWISS Logo
5:05 pm - 8:50 amBOS-LCY
10h 45m1 stop
SWISS Logo
6:05 pm - 3:25 pmLCY-BOS
26h 20m1 stop
$415SWISS
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Sun, Sep 14 - Wed, Sep 24

United Airlines flights from Maine to United Kingdom

Our best United Airlines deals on Maine to United Kingdom flight tickets
United Airlines
Sep 12
BOS6:00 amBoston Logan Intl
19h 30m
1 stop
LHR6:30 amLondon Heathrow
Sep 18
LHR1:45 pmLondon Heathrow
11h 10m
1 stop
BOS7:55 pmBoston Logan Intl
$376
Find similar
United Airlines
Oct 14
BOS6:00 amBoston Logan Intl
22h 35m
1 stop
LHR9:35 amLondon Heathrow
Oct 16
LHR8:40 amLondon Heathrow
11h 45m
1 stop
BOS3:25 pmBoston Logan Intl
$388
Find similar
United Airlines
Sep 2
BOS11:00 amBoston Logan Intl
19h 45m
1 stop
LHR11:45 amLondon Heathrow
Sep 4
LHR8:40 amLondon Heathrow
16h 15m
1 stop
BOS7:55 pmBoston Logan Intl
$393
Find similar

Delta flights from Maine to United Kingdom

Our best Delta deals on Maine to United Kingdom flight tickets
Delta
Aug 19
BOS8:15 pmBoston Logan Intl
6h 50m
LHR8:05 amLondon Heathrow
Aug 28
LHR6:15 amLondon Heathrow
12h 25m
1 stop
BOS1:40 pmBoston Logan Intl
$507
Find similar
Delta
Aug 18
BOS8:15 pmBoston Logan Intl
6h 50m
LHR8:05 amLondon Heathrow
Aug 27
LHR8:40 amLondon Heathrow
14h 45m
1 stop
BOS6:25 pmBoston Logan Intl
$509
Find similar
Delta
Aug 14
BOS4:55 pmBoston Logan Intl
12h 05m
1 stop
LGW10:00 amLondon Gatwick
Aug 20
LGW12:00 pmLondon Gatwick
15h 59m
1 stop
BOS10:59 pmBoston Logan Intl
$518
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momondo Fare Finder

 
Customize your flight search to find flights from Maine to United Kingdom that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 13, 2025.
Use the filters below to find and compare flights from Maine to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 9/8

6:30 pm-9:20 am

1 stop9h 50m

London Heathrow

Wed 9/10

8:40 am-3:25 pm

1 stop11h 45m

$349

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 9/8

6:30 pm-11:25 am

1 stop11h 55m

London Heathrow

Wed 9/10

8:40 am-3:25 pm

1 stop11h 45m

$351

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 10/1

7:40 pm-7:20 am

Nonstop6h 40m

London Heathrow

Thu 10/2

10:50 am-7:50 pm

1 stop14h 00m

$366

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 9/5

8:05 pm-7:50 am

Nonstop6h 45m

London Heathrow

Sun 9/7

6:10 am-3:00 pm

1 stop13h 50m

$367

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 9/2

8:10 pm-7:50 am

Nonstop6h 40m

London Heathrow

Wed 9/3

8:50 pm-9:15 pm

1 stop29h 25m

$369

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 10/1

3:15 pm-9:35 am

1 stop13h 20m

London Heathrow

Fri 10/3

8:40 am-3:25 pm

1 stop11h 45m

$371

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 9/14

9:40 pm-1:00 pm

1 stop10h 20m

London Heathrow

Wed 9/24

1:45 pm-7:55 pm

1 stop11h 10m

$372

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 10/5

8:05 pm-7:50 am

Nonstop6h 45m

London Heathrow

Mon 10/6

8:00 pm-3:00 pm

1 stop24h 00m

$373

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 9/8

9:40 pm-1:00 pm

1 stop10h 20m

London Heathrow

Wed 9/10

6:00 am-1:50 pm

1 stop12h 50m

$378

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Sun 9/14

5:05 pm-8:50 am

1 stop10h 45m

London City

Wed 9/24

6:05 pm-3:25 pm

1 stop26h 20m

$415

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to the United Kingdom from

How to get the cheapest flight ticket from Maine to United Kingdom

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 United Kingdom?

In general, October is the cheapest month to fly from Maine to United Kingdom. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $677. If you aren’t able to travel to United Kingdom during the month of October, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $729.

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from Maine to United Kingdom is on a Tuesday when prices can be found for as low as $788. The most expensive day to fly to United Kingdom is Friday, with ticket prices averaging around $936.

What is the cheapest time of day to depart on your flight to United Kingdom?

According to our data, the cheapest time of day to fly to United Kingdom is at noon. momondo users have found flights departing from Maine to United Kingdom at noon for as low as $827. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to United Kingdom are more costly in the afternoon, with an average ticket price of $869. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Maine to United Kingdom flights?

You could potentially save up to 49% on your flight if you consider stops on a Maine to United Kingdom flight.

Cheap Maine to United Kingdom flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Maine to United Kingdom

Best Price Found

$168

Fastest flight time

6h 20m

Direct flights

Every day

Airports in United Kingdom

7 airports
The best one-way flight to United Kingdom from Maine in the past 72 hours is $168. The best round-trip flight deal from Maine to United Kingdom found on momondo in the last 72 hours is $349.
The fastest flight from Maine to United Kingdom takes 6h 20m
Direct flights go from Maine to United Kingdom every day.
There are 7 airports near United Kingdom: London Heathrow (LHR), London Luton (LTN), Edinburgh Turnhouse (EDI), Manchester (MAN), London Stansted (STN), London Gatwick (LGW), Glasgow Intl (GLA)
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  • When did momondo last update prices for flights from Maine to United Kingdom?

    Prices for flights from Maine to United Kingdom refresh daily.

  • How many operators does momondo search for flights from Maine to United Kingdom?

  • How old do you have to be to fly from Maine to United Kingdom?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Maine to United Kingdom.

  • What documentation or ID do you need to fly to United Kingdom?

    The necessary travel and health documents for your United Kingdom 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 United Kingdom

Compare and see reviews for airlines that fly from Maine to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $586Free CancellationRating
7.2
2,915 reviews
Search JetBlue flights
United AirlinesPriceFrom $648Free CancellationRating
7.4
8,920 reviews
Search United Airlines flights
DeltaPriceFrom $686Free CancellationRating
8.0
7,979 reviews
Search Delta flights
American AirlinesPriceFrom $732Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Maine to United Kingdom?

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 United Kingdom for you.

Can I find flights from Maine to United Kingdom with flexible booking policies on momondo?

All flight searches from Maine to United Kingdom on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Maine to United Kingdom?

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 United Kingdom from Maine.

I’m not ready to book a flight from Maine to United Kingdom right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to United Kingdom from Maine. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your United Kingdom trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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Find better results for your trip to the United Kingdom

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to Londonfrom $321
Flights to Manchesterfrom $362
Flights to Edinburghfrom $388
Flights to Birminghamfrom $432
Flights to Glasgowfrom $426
Flights to Belfastfrom $513
Flights to Newcastle upon Tynefrom $458
Flights to Bristolfrom $466
Flights to Invernessfrom $401
Flights to Liverpoolfrom $486
Flights to Aberdeenfrom $502
Flights to Leedsfrom $459