Cheap Flights from St. Louis (STL) to Portland (PWM)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Portland Intl. Jetport Airport (PWM)

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Frequently asked questions

Is it cheaper to buy a plane ticket from STL to Portland Intl. Jetport Airport (PWM) last minute?
When it's time to book your flights, it's better to be prepared. While you may be able to score a deal on a STL to PWM flight at the last minute, prices usually don't get cheaper as the departure date nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to lock in a domestic flight is between 28 – 35 days ahead. For international trips it's three to four months.
What airports do you fly into for Portland from St. Louis?
From St. Louis, you can connect to Portland via Portland Intl. Jetport Airport (PWM), Augusta State Airport (AUG) and Brunswick, ME (NHZ-Brunswick Executive). It's wise to check which hub is best for you before making your decision. If you decide to land at Portland Intl. Jetport Airport (PWM), it's approximately 5 kilometers west of the center of the city. Use the dough you save when booking your trip with Expedia to discover the city's top sights, such as Portland Museum of Art and University of Southern Maine.
Can I change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Portland Intl. Jetport?
Plans can change, so Expedia is here to help make things easy. To start, access your Lambert Field to Portland Intl. Jetport itinerary through the Expedia Trips portal and browse the ticket rules and conditions regarding changes. If you purchased your ticket in the last 24 hours, some carriers allow you to cancel at no cost and organize new flights. If you booked more than 24 hours ago, get in touch with us through our Customer Service portal to run through your options.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Portland Intl. Jetport
Distance
1749 km

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