The cheapest times to fly from ART to STN are

  • February 12th to May 27th (except the weeks of February 19th, April 2nd, and May 7th)
  • October 1st to October 28th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from ART to STN is late November to early December. Prices can be as high as $12600 for Tuesday flights during late December, or as low as $980 for Monday flights around late November to early December.


When to Fly to London

Flying from Watertown, NY (ART) to London (STN) will usually cost between $1093 to $4547 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late November to early December with an average ticket price of $989. Due to high demand the most expensive time to fly is late December, with an average price of $4709. Planning your trip to low-cost times can easily save you $3720 on economy flights and even more on first-class flights. Generally, any price below $1416 can be considered a good price for a round-trip ART to STN flight.

See below for a graph of average weekly prices for the ART to STN route. All prices are for round-trip tickets in USD.

ART to STN Flight Prices

Compared to other flights, the ART to STN flight is slightly more expensive than the average and costs more than the average flight leaving from Watertown. The average price per mile (for a direct flight) is $0.26, which is below average.


Flight Prices by Day of the Week

Monday is usually the cheapest day to fly to STN, and Thursday the cheapest day to fly back into ART. Tuesdays are the most expensive days to fly to London, and Sundays are the most expensive days to return to Watertown. Selecting flights on the least expensive days could save you up to $7798 (62%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Monday and returning a week later will cost an average of $1279. Return trip prices are from the STN to ART flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from ART to STN can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 7 hour 7 minutes may be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is a nonstop flight from ART to STN while comparing.

Destination alternative #1: London Heathrow Airport (LHR) in London

  • 41 miles (66 km) away from STN
  • Usually 41.47% less expensive than STN
  • 1-layover flights available

See ART to LHR flights


Flight Hacking ART to STN

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from ART to STN — but Champion Traveler does!

Hack #1: Boston, MA (ART > BOS > STN)

  • Price for both tickets: $905
  • Average savings: $511 (36.06%)

See ART to BOS flights

Hack #2: New York, NY (ART > LGA > STN)

  • Price for both tickets: $980
  • Average savings: $436 (30.8%)

See ART to LGA flights

Hack #3: Orlando, FL (ART > MCO > STN)

  • Price for both tickets: $1064
  • Average savings: $352 (24.83%)

See ART to MCO flights


Flight Questions Answered

Still have questions about flying from ART to STN? We’ve got answers.

Which airlines fly this route?

You can find 8 major airlines flying this route most often: Air Canada, American, British Airways, Eurowings, Lufthansa, SAS, SWISS, United, and potentially more during busy seasons.

How far away is it from London Stansted Airport to Watertown International Airport?

The distance between the two airports is roughly 3406 miles or 5481 kilometers.

How long does it take to fly from ART to STN?

The real-world flight time for a nonstop ART to STN flight is about 7 hour 7 minutes.

How many flights go between Watertown, NY and London?

It depends on the day of the week and the date, but a typical day might have around 27 available flights from ART to STN.


Airport Location Info


Departing Airport

Origination code ART
Origination airport name Watertown International Airport
City Watertown, NY
Country the United States
Latitude 44
Longitude -76

Return Airport

Destination code STN
Destination airport name London Stansted Airport
City London
Country the United Kingdom
Latitude 51.9
Longitude 0.2


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.