Cheap flights from Portland to St. Louis from $91
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to St. Louis departing on 8/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? Create a price alert to track prices.Easily compare round-trip flights from Portland to St. Louis
Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Portland to St. Louis by changing tabs
Find the cheapest one-way flights from Portland to St. Louis
If you're looking for one-way flights from Portland to St. Louis, view some of our deals below provided by Delta, Frontier and Spirit Airlines
Search last-minute flights to St. Louis from Portland
Find and compare round-trip flight prices for your last-minute flight from Portland to St. Louis
Best airlines flying from Portland to St. Louis
Compare and see reviews for airlines that fly from Portland to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $109 | Free Cancellation | Rating 6.3 4,132 reviews | |||
| PriceFrom $151 | Free Cancellation | Rating 6.4 8,756 reviews | |||
| PriceFrom $287 | Free Cancellation | Rating 8.0 9,114 reviews | |||
| PriceFrom $299 | Free Cancellation | Rating 7.3 14,898 reviews | |||
| PriceFrom $308 | Free Cancellation | Rating 8.0 10,975 reviews | |||
| PriceFrom $346 | Free Cancellation | Rating 7.4 11,234 reviews |
Frontier flights from Portland to St. Louis
Our best Frontier deals on Portland to St. Louis flight tickets
Spirit Airlines flights from Portland to St. Louis
Our best Spirit Airlines deals on Portland to St. Louis flight tickets
How to get the cheapest flight ticket from Portland to St. Louis
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly from Portland to St. Louis?
January. The cheapest time of year to fly to St. Louis from Portland is January. Most expensive is December
What is the cheapest day to depart Portland for St. Louis?
Saturday. The cheapest day of the week is typically Saturday. The most expensive is typically Sunday
When is the cheapest time to fly from Portland to St. Louis?
In the evening. Portland to St. Louis flights are approximately 19% more expensive in the morning than in the evening
What is the cheapest airline that flies to St. Louis from Portland?
Spirit Airlines. Alaska Airlines, American Airlines, and Delta are the most popular carriers operating from Portland to St. Louis
What is the cheapest Portland to St. Louis flight route?
Portland - Lambert-St Louis. Fly from Portland to Lambert-St Louis for the best Portland - St. Louis flight prices
How far in advance should you book Portland to St. Louis flights?
12 days before. The cheapest time to buy a flight from Portland to St. Louis is approximately 12 days to departure
Cheap Portland to St. Louis (PDX to STL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portland to St. Louis
Best Price Found | $91 |
|---|---|
Fastest flight time | 5h 21m |
Direct flights | None |
Airports in St. Louis | 1 airport |
How far is Portland to Lambert-St Louis by plane?
A flight from Portland to Lambert-St Louis will travel around 1718.1 mi. A reasonable flight in good conditions will take 5h 21m.
When did momondo last update prices for flights from Portland Airport to Lambert-St Louis Airport?
Prices for flights from Portland Airport to Lambert-St Louis Airport are updated daily.
How many operators does momondo search for flights from Portland Airport to Lambert-St Louis Airport?
As of April 2024, there are 6 operators available to choose from for flights from Portland Airport to Lambert-St Louis Airport.
How old do you have to be to fly from Portland Airport to Lambert-St Louis Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Why use momondo?
Why should I use momondo to find a flight deal from Portland to St. Louis?
It is quick and easy to find Portland to St. Louis flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. Louis that suits you.
Can I find flights from Portland to St. Louis with flexible booking policies on momondo?
momondo does allow users to show only those flights to St. Louis from Portland which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Portland to St. Louis?
Once you have performed a search for Portland to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Portland to St. Louis right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Portland to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.