Cheap flights from St. Louis to Southern New Hampshire

View AU$193 flight on Sun, 14 Dec. 2025Opens in a new window

Popular airlines from St. Louis to Southern New Hampshire

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

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Cheap Flights from St. Louis (STL) to Southern New Hampshire (BOS)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sun, 14 Dec. - Wed, 7 Jan.
STL
St. Louis
BOS
Boston
AU$359 Return, found 1 day ago
AU$359
Return
found 1 day ago
Select Delta flight, departing Sun, 14 Dec. from St. Louis to Boston, returning Wed, 7 Jan., priced at AU$359 found 1 day ago
Delta
Sun, 14 Dec. - Wed, 7 Jan.
STL
St. Louis
BOS
Boston
AU$385 Return, found 1 day ago
AU$385
Return
found 1 day ago
Select Delta flight, departing Sun, 14 Dec. from St. Louis to Boston, returning Wed, 7 Jan., priced at AU$385 found 1 day ago
Delta
Sun, 14 Dec. - Wed, 7 Jan.
STL
St. Louis
BOS
Boston
AU$420 Return, found 1 day ago
AU$420
Return
found 1 day ago
Select Delta flight, departing Sun, 14 Dec. from St. Louis to Boston, returning Wed, 7 Jan., priced at AU$420 found 1 day ago
Delta
Sat, 9 Aug. - Tue, 12 Aug.
STL
St. Louis
BOS
Boston
AU$455 Return, found 5 days ago
AU$455
Return
found 5 days ago
Select Delta flight, departing Sat, 9 Aug. from St. Louis to Boston, returning Tue, 12 Aug., priced at AU$455 found 5 days ago
American Airlines
Sun, 14 Dec. - Wed, 7 Jan.
STL
St. Louis
BOS
Boston
AU$468 Return, found 1 day ago
AU$468
Return
found 1 day ago
Select American Airlines flight, departing Sun, 14 Dec. from St. Louis to Boston, returning Wed, 7 Jan., priced at AU$468 found 1 day ago
Alaska Airlines
Sun, 14 Dec. - Wed, 7 Jan.
STL
St. Louis
BOS
Boston
AU$584 Return, found 1 day ago
AU$584
Return
found 1 day ago
Select Alaska Airlines flight, departing Sun, 14 Dec. from St. Louis to Boston, returning Wed, 7 Jan., priced at AU$584 found 1 day ago

Find the cheapest month to fly from St. Louis (STL) to Manchester (MHT)

August is typically the cheapest month to fly

From AU$275 - AU$1,099 per traveller.

Graph displaying average flight prices per month