Cheap flights from Portland to St. Louis

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Travelers usually depart from Portland International, Portland, OR - Union Station, Portland, OR - Holladay Park, or Portland, OR - Greyhound Station when they travel from Portland to St. Louis. Book your trip to arrive at St. Louis Lambert International, or St. Louis Union Station. The distance between Portland and St. Louis is 2745 km. The most popular airlines for this route are United Airlines, Frontier Airlines, Delta Air Lines, and American Airlines. Portland and St. Louis have 212 direct flights per week.

Weekly direct flights

MondaysTuesdaysWednesdaysThursdaysFridaysSaturdaysSundays
Number of flights37253527-3850

Check-in for a flight from Portland to St. Louis

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
United AirlinesUALUAYesNo
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
Delta Air LinesDALDLYesOpens 24 days before flight
Closes 1 hours before flight
American AirlinesAALAAYesNo

Frequently asked questions

How long does it take to travel from Portland to St. Louis?
A one-way nonstop (direct) flight between Portland and St. Louis takes around 3.8 hours.
What is the flight distance between Portland and St. Louis?
The flight distance between Portland and St. Louis is 2745 km.
What are the most popular routes to and from Portland?
Travelers frequently search for route combinations, such as Portland and London, San Francisco, Dublin, Phoenix, Washington, D.C., Atlanta, Denver, Las Vegas, Los Angeles, Barcelona, New York, Chicago, Austin, San Diego, Bangkok, Tallinn, Minneapolis, Santa Ana, Philadelphia, Kahului.
What are the most popular routes to and from St. Louis?
Travelers frequently search for route combinations, such as St. Louis and London, Manchester, New York, Cebu, San Jose, Atlanta, Los Angeles, Orlando, Edinburgh, Houston, San Francisco, Phoenix, Seattle, Denver, Dallas, Glasgow, Washington, D.C., Paris, Charlotte, Reykjavik.
What airports are near Portland?
The main airport in Portland is Portland International. It is also served by Seattle–Tacoma International, Portland International, Eugene, Roberts Field, Boeing Field, Kenmore Air Harbor Seaplane Base.
What airports are near St. Louis?
The main airport in St. Louis is St. Louis Lambert International. It is also served by St. Louis Lambert International, General Wayne A. Downing Peoria International, Waynesville-St. Robert Regional, Central Illinois Regional, Williamson County Regional, MidAmerica St. Louis, Quincy Regional, Evansville Regional, Abraham Lincoln Capital, Decatur.
What buses and trains depart from Portland?
A number of bus and train companies depart from Portland, including Amtrak train.
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Portland and St. Louis?
Yes, it's possible to combine different modes of transport between Portland and St. Louis thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between Portland and St. Louis can give rise to new adventures. Read more about how Virtual Interlining works on Kiwi.com Stories.
What is Virtual Interlining and how do I use it?
Virtual Interlining provides a revolutionary way of traveling. You can combine different modes of transport like flights, trains, and buses into one itinerary. And this often saves money. Thanks to the world's largest carrier database, the Kiwi.com search function enables anyone to mix and match different modes of transport easily.
Which airlines fly between Portland and St. Louis?
When's the best time to travel between Portland and St. Louis?
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How many airports are there near Portland?
How many airports are there near St. Louis?
Is it possible to reach Portland by bus or train?
What time do nonstop (direct) flights between Portland and St. Louis depart?
What time do nonstop (direct) flights between Portland and St. Louis arrive?
What time do flights between Portland and St. Louis depart?
What time do flights between Portland and St. Louis arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.

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