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Cheap flights from Stewart International to London Heathrow

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Compare Stewart International to London Heathrow flight deals

Find the cheapest month or even day of the year to fly to London Heathrow

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Flight deals from Stewart International to London Heathrow

Looking for a cheap last-minute deal or the best round-trip flight from Stewart International to London Heathrow? Find the lowest prices on one-way and round-trip tickets right here.
London.C$760 per passenger.Departing Wed, Oct 29, returning Tue, Nov 4.Round-trip flight with Fly Play and British Airways.Outbound indirect flight with Fly Play, departing from Stewart International on Wed, Oct 29, arriving in London Heathrow.Inbound indirect flight with British Airways, departing from London Heathrow on Tue, Nov 4, arriving in Stewart International.Price includes taxes and charges.From C$760, select.
London.C$774 per passenger.Departing Mon, Apr 28, returning Thu, May 8.Round-trip flight with Fly Play and Scandinavian Airlines.Outbound indirect flight with Fly Play, departing from Stewart International on Mon, Apr 28, arriving in London Heathrow.Inbound indirect flight with Scandinavian Airlines, departing from London Heathrow on Thu, May 8, arriving in Stewart International.Price includes taxes and charges.From C$774, select.
London.C$795 per passenger.Departing Thu, May 8, returning Tue, May 13.Round-trip flight with Fly Play and Scandinavian Airlines.Outbound indirect flight with Fly Play, departing from Stewart International on Thu, May 8, arriving in London Heathrow.Inbound indirect flight with Scandinavian Airlines, departing from London Heathrow on Tue, May 13, arriving in Stewart International.Price includes taxes and charges.From C$795, select.
London.C$822 per passenger.Departing Mon, Nov 3, returning Mon, Nov 10.Round-trip flight with Fly Play and British Airways.Outbound indirect flight with Fly Play, departing from Stewart International on Mon, Nov 3, arriving in London Heathrow.Inbound indirect flight with British Airways, departing from London Heathrow on Mon, Nov 10, arriving in Stewart International.Price includes taxes and charges.From C$822, select.
London.C$824 per passenger.Departing Fri, Aug 29, returning Mon, Sep 15.Round-trip flight with Fly Play and British Airways.Outbound indirect flight with Fly Play, departing from Stewart International on Fri, Aug 29, arriving in London Heathrow.Inbound indirect flight with British Airways, departing from London Heathrow on Mon, Sep 15, arriving in Stewart International.Price includes taxes and charges.From C$824, select.
London.C$845 per passenger.Departing Thu, Apr 24, returning Mon, Apr 28.Round-trip flight with Fly Play and British Airways.Outbound indirect flight with Fly Play, departing from Stewart International on Thu, Apr 24, arriving in London Heathrow.Inbound indirect flight with British Airways, departing from London Heathrow on Mon, Apr 28, arriving in Stewart International.Price includes taxes and charges.From C$845, select.
London.C$850 per passenger.Departing Tue, Jun 10, returning Thu, Jun 12.Round-trip flight with Fly Play and Scandinavian Airlines.Outbound indirect flight with Fly Play, departing from Stewart International on Tue, Jun 10, arriving in London Heathrow.Inbound indirect flight with Scandinavian Airlines, departing from London Heathrow on Thu, Jun 12, arriving in Stewart International.Price includes taxes and charges.From C$850, select.
London.C$864 per passenger.Departing Mon, Jun 16, returning Thu, Sep 4.Round-trip flight with Fly Play and Scandinavian Airlines.Outbound indirect flight with Fly Play, departing from Stewart International on Mon, Jun 16, arriving in London Heathrow.Inbound indirect flight with Scandinavian Airlines, departing from London Heathrow on Thu, Sep 4, arriving in Stewart International.Price includes taxes and charges.From C$864, select.

Find the cheapest month to fly from Stewart International to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Stewart International to London Heathrow flights are currently cheapest in May.
Mar
from C$1,435
Apr
from C$845
May
from C$795
Jun
from C$850
Jul
from C$914
Aug
from C$1,044
Sep
from C$1,055
Oct
Find prices
Nov
from C$822
Dec
Find prices
Jan
Find prices
Feb
Find prices

Stewart International to London Heathrow: Alternative routes

Compare routes from Stewart International to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Heathrow.

New York to London: Flight information

The things to know before you go.
Cheapest flight foundC$760
Cheapest month to flyOctober

Finding cheap flights from Stewart International to London Heathrow: Frequently asked questions

The best price we found for a round-trip flight from Stewart International to London Heathrow is C$760. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Stewart International to London Heathrow. But we found flights with one or more stops from C$760.
There are no flights flying from Stewart International to London Heathrow, as of March 2025.
The cheapest month to fly from Stewart International to London Heathrow is usually March 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Stewart International Airport to London Heathrow Airport on Wednesday, October 29, 2025.
No airlines currently offer direct flights between Stewart International Airport and London Heathrow Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Heathrow but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Fly Play offers the cheapest flight tickets to London Heathrow.

Traveling from Stewart International Airport (SWF) to London Heathrow Airport (LHR): what you need to know

  • During popular months such as July, it's best to get to the airport earlier than normal. Arrive two hours before domestic departures and four hours ahead of an international flight when you travel during a peak period in general.

  • If you'd like to tour another city during your journey, look for a flight with a stopover. To see your options for flights from Stewart International Airport to London Heathrow Airport, deselect 'Direct flights only.' Orlando International Airport is a popular stop between SWF and LHR.

  • Remember, you may need a visa to enter United Kingdom. Visa regulations vary and travel documentation requirements are constantly changing. Before organizing your cheap ticket from SWF to LHR, check with your carrier and your destination country's local embassy or consulate for the latest information.

How to find the cheapest flights from Stewart International Airport (SWF) to London Heathrow Airport (LHR)

  • The best price we've found for a one-way ticket from Stewart International Airport to London Heathrow Airport is C$375. The cheapest price for a return flight is C$760. Keep in mind that fares could change due to availability when booking.

  • To pick up cheap flight tickets from SWF to LHR, book as early as you can. Airlines typically offer their best fares when flights are first made available.

  • If you're willing to be flexible with your travel dates, use the 'Whole month' tool. It'll find the lowest price in every month when searching for your ticket from Stewart International Airport to London Heathrow Airport.

  • Create a Price Alert for cheap flight tickets from SWF to LHR. You don't need to check back in every day to find out if fares have fallen. We'll update you as soon as there's a change in price.

  • Take advantage of filters to find the best trip for you. To see the 'Cheapest,' 'Best' or 'Fastest' flights from Stewart International Airport to London Heathrow Airport, use the 'Sort by' tool. You can also filter results by airline, departure and arrival times, and journey duration.

Handy information about Stewart International Airport (SWF)

  • Stewart International Airport is about 121 kilometres from central New York. If you're driving, catching a cab or ride-sharing from the center, it'll take you 1 hour and 31 minutes or so to get there, depending on traffic conditions. If you're planning to take public transport, expect the journey time to be approximately 1 hour and 57 minutes.

  • Need a convenient hotel close to SWF? If you're catching an early flight from Stewart International Airport to London Heathrow Airport, these accommodation options will put you moments from your departure gate:

Arriving at London Heathrow Airport (LHR)

Getting from London Heathrow Airport (LHR) to central London

  • London Heathrow Airport to central London takes about 57 minutes in a car. It's approximately 31 kilometres away. Discover what options are available, such as car rentals, cabs or ride-sharing services.

  • It takes around 1 hour and 1 minute when traveling by public transport.

When to fly to London Heathrow Airport (LHR)

  • July is the busiest month for flights from Stewart International Airport to London Heathrow Airport. To escape the crowds, head to London in February.

  • Before locking in your flight from Stewart International Airport to London Heathrow Airport, consider the type of weather you like. July is the warmest month in London, with the temperature ranging from 11ºC to 26ºC.

  • Search for cheap flight tickets from SWF to LHR in January if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between 0ºC and 9ºC on average.

More about London

Complete your London trip with hotels and a car rental

  • Comparing flights is not the only thing we're good at. After booking your cheap ticket to London Heathrow Airport, browse our car rental deals that'll give you the freedom to see the sights at your own pace. Then, take a look at our exclusive rates for hotels to find the ideal London stay.

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Plan the rest of your trip from New York to London

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.