The cheapest times to fly from STN to BOS are

  • January 8th to February 25th (except the week of February 12th)
  • March 26th to June 17th
  • September 3rd 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 STN to BOS is early to mid May. Prices can be as high as $5476 for Friday flights during late December, or as low as $453 for Thursday flights around early to mid May.


When to Fly to Boston

Flying from London (STN) to Boston, MA (BOS) will usually cost between $473 to $1022 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid May with an average ticket price of $510. Due to high demand the most expensive time to fly is late December, with an average price of $1623. Planning your trip to low-cost times can easily save you $1113 on economy flights and even more on first-class flights. Generally, any price below $574 can be considered a good price for a round-trip STN to BOS flight.

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

STN to BOS Flight Prices

Compared to other flights, the STN to BOS flight is cheaper than the average and costs much less than the average flight leaving from London. The average price per mile (for a direct flight) is $0.11, which is far below average.


Flight Prices by Day of the Week

Thursday is usually the cheapest day to fly to BOS, and Tuesday the cheapest day to fly back into STN. Fridays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $738 (42%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Thursday and returning a week later will cost an average of $607. Return trip prices are from the BOS to STN 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 STN to BOS can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 6 hour 53 minutes may not be realistic.


Flight Hacking STN to BOS

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 STN to BOS — but Champion Traveler does!

Hack #1: Madrid (STN > MAD > BOS)

  • Price for both tickets: $459
  • Average savings: $116 (20.12%)

See STN to OSL flights

Hack #2: Oslo (STN > OSL > BOS)

  • Price for both tickets: $462
  • Average savings: $112 (19.51%)

See STN to MAD flights

Hack #3: Barcelona (STN > BCN > BOS)

  • Price for both tickets: $480
  • Average savings: $94 (16.38%)

See STN to BCN flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 14 major airlines flying this route most often: Air Canada, Air France, American, atlasglobal, British Airways, Delta, Eurowings, Iberia, KLM, Lufthansa, SAS, SWISS, United, Wideroe, and potentially more during busy seasons.

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

The distance between the two airports is roughly 3275 miles or 5271 kilometers.

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

The real-world flight time for a nonstop STN to BOS flight is about 6 hour 53 minutes.

How many flights go between London and Boston, MA?

It depends on the day of the week and the date, but a typical day might have around 54 available flights from STN to BOS.


Airport Location Info


Departing Airport

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

Return Airport

Destination code BOS
Destination airport name Logan International Airport
City Boston, MA
Country the United States
Latitude 42.4
Longitude -71


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.