Menu

Cheap flights from Portland to Lambert-St Louis Intl (PDX - STL)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

The best prices from Portland to Lambert-St Louis Intl are usually found in January or August, booked 60 days in advance, depart on a Friday or Wednesday and return on a Monday

How to find the cheapest flight from
Portland (PDX) to Lambert-St Louis Intl (STL)

PDX - STL
Price
$234 - $428
STL
Temperature
44.6 - 89.6 °F
STL
Rainfall
2.2 - 5.1 inches

Popular in

December

High demand for flights, 32% potential price rise

Cheapest in

January

Best time to find cheap flights, 20% potential price drop

Round-trip from

$234

From Portland to Lambert-St Louis Intl

One-way from

$200

One-way flight from Portland to Lambert-St Louis Intl

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Portland to Lambert-St Louis Intl?

Leaving on a Thursday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 59% on the overall cost on flights from Portland to Lambert-St Louis Intl.

How far in advance should I book a flight from Portland to Lambert-St Louis Intl?

To save on the cost of your flight from Portland to Lambert-St Louis Intl, book at least 61 days before your planned departure. Booking around this time can save you about 27% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $164 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $181.

When is the cheapest time to fly from Portland to Lambert-St Louis Intl (PDX - STL)?

A simple way to save on the total cost of your ticket is to fly from Portland to Lambert-St Louis Intl at noon. If you’re flexible enough to do this you can expect to save up to 36% on your trip compared to booking a flight in the morning.

Cheap flights from Portland to Lambert-St Louis Intl in October, November 2020

The best prices found for PDX to STL flights for October, November
21 Nov - 30 Nov
$172pp
PDX
Portland
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
PDX
Portland
26 Nov - 30 Nov
$177pp
PDX
Portland
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
PDX
Portland
5 Nov - 8 Nov
$178pp
PDX
Portland
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
PDX
Portland

Portland to Lambert-St Louis Intl 2020 flight deals

Cheap flights to Lambert-St Louis Intl from Portland found for this year
21 Nov - 30 Nov
$172pp
PDX
Portland
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
PDX
Portland
26 Nov - 30 Nov
$177pp
PDX
Portland
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
PDX
Portland
5 Nov - 8 Nov
$178pp
PDX
Portland
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
PDX
Portland

Last minute flights from Portland to Lambert-St Louis Intl

Late deals on round-trip flights to Lambert-St Louis Intl from Portland, departing today and this week
26 Oct - 31 Oct
$178pp
PDX
Portland
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
PDX
Portland
31 Oct - 9 Nov
$188pp
PDX
Portland
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
PDX
Portland
26 Oct - 2 Nov
$208pp
PDX
Portland
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
PDX
Portland

One-way flights to Lambert-St Louis Intl from Portland

The cheapest one-way flights from Portland to Lambert-St Louis Intl
2:58 am - 5:27 am
United Airlines
3 Stops
24h 29m
PDX - STL
United Airlines
$200
United
3:49 am - 10:23 am
Frontier
2 Stops
28h 34m
PDX - STL
Frontier
$205
FlightNetwork
7:10 pm - 6:36 am
American Airlines
2 Stops
9h 26m
PDX - STL
American Airlines

Related info for your journey

Useful info, stats and facts about Portland to Lambert-St Louis Intl flights.

Flight FAQs

From Portland to Lambert-St Louis Intl

Are flight prices decreasing from Portland to St Louis due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Portland and St Louis for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Portland to Lambert-St Louis to control the spread of COVID-19?

Alaska Airlines, Southwest, and Delta are some of the many airlines that have implemented additional safety measures to control the spread of COVID-19. Some of the new policies that have been implemented to accommodate travelers flying from Portland to Lambert-St Louis are improved sanitation, HEPA filters, mask requirements, social distance seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

Which airlines flying from Portland to Lambert-St Louis have flexible cancellations due to COVID-19?

Some of our airline partners flying from Portland to Lambert-St Louis have new flexible policies in place due to COVID-19. Delta, United Airlines, and Frontier are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Delta with this kind of flexibility.

Can I find flights from Portland to Lambert-St Louis Intl for under $200 on Cheapflights?

Yes, there are multiple flights from Portland to Lambert-St Louis Intl for under $200. The cheapest flight booked recently is on Multiple Airlines for just $172, but on average you can expect to pay $201.

Are there nonstop flights from Portland to Lambert-St Louis Intl for under $200 on Cheapflights?

There are no nonstop flights from Portland to Lambert-St Louis Intl, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from Portland to Lambert-St Louis Intl for under $200?

There are currently 20+ open flights from Portland to Lambert-St Louis Intl within the next 7 days for less than $200.

How popular is this flight route?

The Portland to Lambert-St Louis flight path was viewed by 50 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

Does it rain more in Portland or St Louis?

When traveling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in Portland is roughly greater than that of St Louis. You can assume this to be the case over the next 18 days.

Is Portland weather warmer or cooler than St Louis?

Temperatures around the 90 °F's can be experienced in July. The weather in St Louis is hotter than in Portland. Plan for potential changes in flight availability as peak weather approaches in this location.

How long is the flight from Portland to Lambert-St Louis Intl?

Airlines like American Airlines, Delta, and Frontier fly from Portland to Lambert-St Louis Intl in about 6h 39m. The time it takes to get you to your destination can typically vary by up to 4h 48m. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Portland to Lambert-St Louis Intl round-trip?

Our cheapest airline available from Portland to Lambert-St Louis Intl is Frontier. Our recent data shows that you can find tickets from as low as $178 on this airline. Additional options worth looking into are United Airlines and Delta, starting at $232 and $236 round-trip. These flights start at 39% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Portland to Lambert-St Louis Intl one-way?

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $86. United Airlines flights start at $127 while deals on American Airlines start at $132 one-way.

Alternative routes for Portland to Lambert-St Louis Intl

Destination information for Lambert-St Louis Intl

Things to know before you go. Useful info for your trip from Portland to Lambert-St Louis Intl
Average temperature for October in Lambert-St Louis Intl
71.6 °F
Avg rainfall for October in Lambert-St Louis Intl
2.8 ″

Airports servicing Portland

Airports servicing St. Louis

Hourly flight availability from Portland to Lambert-St Louis Intl

Afternoon Noon to 6 PM 100% of PDX to STL departures
Early morning Midnight to 6 AM 0% of PDX to STL departures
Morning 6 AM to noon 0% of PDX to STL departures
Evening 6 PM to midnight 0% of PDX to STL departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Portland to Lambert-St Louis Intl
Sunday
1 daily flight
Monday
1 daily flight
Tuesday
1 daily flight
Wednesday
1 daily flight
Thursday
1 daily flight
Friday
1 daily flight
Saturday
1 daily flight
Home North America USA Missouri St Louis Lambert-St Louis Intl Cheap flights from Portland to Lambert-St Louis Intl