The cheapest times to fly from SBP to STN are

  • March 26th to June 17th
  • July 23rd to October 21st

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 SBP to STN is early May. Prices can be as high as $17000 for Tuesday flights during mid December, or as low as $971 for Friday flights around early May.


When to Fly to London

Flying from San Luis Obispo, CA (SBP) to London (STN) will usually cost between $1069 to $4056 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early May with an average ticket price of $1184. Due to high demand the most expensive time to fly is mid December, with an average price of $7287. Planning your trip to low-cost times can easily save you $6103 on economy flights and even more on first-class flights. Generally, any price below $1565 can be considered a good price for a round-trip SBP to STN flight.

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

SBP to STN Flight Prices

Compared to other flights, the SBP to STN flight is more expensive than the average and costs more than the average flight leaving from San Luis Obispo. The average price per mile (for a direct flight) is $0.18, which is below average.


Flight Prices by Day of the Week

Friday is usually the cheapest day to fly to STN, and Sunday the cheapest day to fly back into SBP. Tuesdays are the most expensive days to fly to London, and Fridays are the most expensive days to return to San Luis Obispo. Selecting flights on the least expensive days could save you up to $579 (25%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Friday and returning a week later will cost an average of $1826. Return trip prices are from the STN to SBP 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 SBP to STN can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 10 hour 46 minutes may not 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 not usually a nonstop flight from SBP to STN while comparing.

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

  • 41 miles (66 km) away from STN
  • Usually 40.45% less expensive than STN
  • 1-layover flights available

See SBP to LHR flights


Flight Hacking SBP 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 SBP to STN — but Champion Traveler does!

Hack #1: Newark, NJ (SBP > EWR > STN)

  • Price for both tickets: $1052
  • Average savings: $513 (32.78%)

See SBP to EWR flights

Hack #2: San Francisco, CA (SBP > SFO > STN)

  • Price for both tickets: $1056
  • Average savings: $509 (32.52%)

See SBP to SFO flights

Hack #3: San Jose, CA (SBP > SJC > STN)

  • Price for both tickets: $1099
  • Average savings: $466 (29.78%)

See SBP to SJC flights


Flight Questions Answered

Still have questions about flying from SBP 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, Austrian, Eurowings, Lufthansa, SAS, SWISS, United, and potentially more during busy seasons.

How far away is it from London Stansted Airport to San Luis County Regional Airport?

The distance between the two airports is roughly 5440 miles or 8755 kilometers.

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

The real-world flight time for a nonstop SBP to STN flight is about 10 hour 46 minutes.

How many flights go between San Luis Obispo, CA and London?

It depends on the day of the week and the date, but a typical day might have around 46 available flights from SBP to STN.


Airport Location Info


Departing Airport

Origination code SBP
Origination airport name San Luis County Regional Airport
City San Luis Obispo, CA
Country the United States
Latitude 35.2
Longitude -120.6

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.