Cheap STL to Portsmouth flights

Book your STL to PSM flights with Expedia and find last-minute St. Louis to Portsmouth airfare. Expedia offers discount airfare on multiple airline carriers that fly direct and indirect routes between STL and PSM, with new flight deals and promotions almost daily. When you book your next trip from Lambert St. Louis Intl. to Portsmouth Intl. with Expedia, you can rest assured you’re getting great ticket prices and excellent service from one of the world’s most trusted travel providers.

Popular Flights from St. Louis, Missouri

Browse popular flight destinations from St. Louis (STL), and plan your next exciting trip. Expedia has cheap flights from St. Louis on multiple airline carriers, so book your next trip today!

STL to PSM Route Map

St. Louis to Portsmouth Flights, Stats and Airplanes

Route information for flights from Lambert St. Louis Intl. to Portsmouth Intl..

Destination:
Distance:
1,060.68 miles

STL - Lambert St. Louis Intl. Airlines

Browse the most popular airlines servicing the St. Louis (STL) airport. Visit their flights pages to learn more about the most popular routes these carriers fly.

Interesting Facts About Flights from St. Louis to Portsmouth (STL to PSM)

  • 173 seats were available on flights from STL to PSM in 2009. Of those seats, a total of 91 passengers flew on all flights from STL to PSM that year.
  • The smallest aircraft servicing flights from STL to PSM for Air Greenland is the B737-8 built by Boeing with 173 seats.
  • The largest aircraft servicing flights between St. Louis and Portsmouth from Air Greenland is the B737-8 built by Boeing with 173 seats.
  • There were 91 passengers that flew from St. Louis to Portsmouth in 2009.
  • Air Greenland offers flights from St. Louis, MO to Portsmouth, NH.
  • The newest aircraft servicing STL to PSM in 2009 was Air Greenland's B737-8 from Boeing. The B737-8 started flying in 1998.
  • The oldest aircraft servicing trips from St. Louis, MO to Portsmouth, NH in 2009 was Air Greenland's B737-8 from Boeing which started flying in 1998.
  • In 2009, there was just one airline company serving flights from St. Louis to Portsmouth.
  • The average aircraft occupancy on flights from St. Louis to Portsmouth in 2009 was 52.6%.
  • Air Greenland operated flights from STL to PSM using one type of aircraft in 2009.
  • Air Greenland carried a total of 91 passengers from STL to PSM in 2009.

(Source: FAA & BTS 2009 Databases)