Cheap Flights from St. Louis (STL) to Portsmouth (PSM)

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Frequently asked questions

Is it cheaper to buy a plane ticket from Lambert Field to Portsmouth Intl. Airport at Pease last minute?
Being the spontaneous type is a wonderful way to explore the globe, but it isn't always the smartest method to nab a bargain flight. Consider booking your Lambert-St. Louis Intl. Airport (STL) to Portsmouth Intl. Airport (PSM) trip ahead of time instead of waiting until the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Leave your spontaneity for when you're exploring Portsmouth Intl. Airport (PSM)!
What airports do you fly into for Portsmouth from St. Louis?
Portsmouth Intl. Airport (PSM), Manchester-Boston Regional Airport (MHT) and Portland Intl. Jetport Airport (PWM) are your options when jetting off from St. Louis to Portsmouth. Approximately 5 kilometers west of downtown Portsmouth, Portsmouth Intl. Airport (PSM) is the city's main gateway. Take into account things like flight schedules and the distance to your hotel before choosing your airport. Water Country and Kittery Premium Outlets are a couple of amazing attractions to put on your itinerary when you arrive.
Can I change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Portsmouth Intl. Airport at Pease?
You can make changes to your Lambert-St. Louis Intl. Airport (STL) to Portsmouth Intl. Airport at Pease journey via the Expedia Trips portal. But before doing so, browse the rules and conditions in your itinerary to learn what the airline will allow you to do and what fees apply for changes. Some carriers charge a change fee per person, plus any difference in ticket prices. But if you booked in the last 24 hours, you may be able to cancel for free and book new flights. You can also stop by our Customer Service portal for more information and to chat with our Virtual Agent.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Portsmouth Intl.
Distance
1697 km

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