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Amazing Frontier Airlines STL to PDX Flight Deals

The cheapest flights to Portland Intl. found within the past 7 days were $158 round trip and $79 one way. Prices and availability subject to change. Additional terms may apply.

FAQs about Frontier Airlines Flights from STL to PDX

What terminal is Frontier Airlines at St. Louis Lambert International Airport?

You should find out exactly which terminal Frontier Airlines departs from at St. Louis, MO (STL-Lambert-St. Louis Intl.) once you've seen your ticket. The same goes for information regarding your arrival at Portland, OR (PDX-Portland Intl.). If those details are missing, get in touch with your airline.

Are there Frontier Airlines non-stop flights from STL to PDX?

You won't be able to fly direct between St. Louis, MO (STL-Lambert-St. Louis Intl.) and Portland, OR (PDX-Portland Intl.) with Frontier Airlines. Be prepared to make a stopover if you have to stick to this particular airline and route.

How long is a Frontier Airlines flight from STL to PDX?

Watch a movie or two, listen to music through your headphones or just recline your seat and take it easy. Whatever you prefer, find a way to pass the 5 hours and 28 minutes that it takes to venture from STL to PDX with Frontier Airlines.

How many direct and indirect flights does Frontier Airlines fly from STL to PDX?

You shouldn't have too much trouble syncing up your travel dates with the flight schedule from Frontier Airlines. The airline flies from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Portland, OR (PDX-Portland Intl.) 26 times per month.

If I am not able to travel due to COVID-19, can I change my booking to a later date?

For more info about changing your flight to Portland, OR (PDX-Portland Intl.), please visit our Customer Service Portal.

What is the best day to buy a plane ticket?

This just in! Airfares offered on Tuesdays tend to be the cheapest, according to flight demand on Travelocity in 2019. Wednesday and Friday prices are also good, but you may want to prepare your budget if booking on a Monday, as data shows the start of the week is when prices are generally at their highest.

What are the cheapest days to fly?

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2019, flights departing on a Tuesday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

How far in advance can you book a flight?

Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2019 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 1-2 weeks prior to their travel dates.

How can I save money on airline tickets?

We'll let you in on a secret...You can save big on flights if you mix and match your airlines and fare types. In fact, travelers who booked flights on Travelocity in 2019 saved nearly 50% when their return flights consisted of two different airlines or fare types.

*According to flight demand on from January to December 2019. Savings are subject to change based on departure location, date and destination.

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.