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 August or July, booked 24 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
$245 - $428
STL
Temperature
44.6 - 89.6 °F
STL
Rainfall
2.2 - 5.1 inches

Popular in

December

High demand for flights, 30% potential price rise

Cheapest in

August

Best time to find cheap flights, 19% potential price drop

Round-trip from

$245

From Portland to Lambert-St Louis Intl

One-way from

$147

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 33% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $143 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $179.

What is the cheapest month to fly from Portland to Lambert-St Louis Intl?

Our data shows that June tends to be the cheapest month to fly to Lambert-St Louis Intl from Portland. Users have commonly found prices around $148 for the month, but tickets can be as low as $77. Due to multiple factors, prepare for potentially higher prices in July.

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 January, February 2021

The best prices found for PDX to STL flights for January, February
11 Feb - 17 Feb
$157pp
PDX
Portland
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
PDX
Portland
18 Feb - 22 Feb
$161pp
PDX
Portland
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
PDX
Portland
28 Jan - 8 Feb
$179pp
PDX
Portland
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
PDX
Portland

Portland to Lambert-St Louis Intl 2021 flight deals

Cheap flights to Lambert-St Louis Intl from Portland found for this year
12 Mar - 15 Mar
$156pp
PDX
Portland
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
PDX
Portland
11 Feb - 17 Feb
$157pp
PDX
Portland
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
PDX
Portland
12 Mar - 15 Mar
$160pp
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
28 Jan - 8 Feb
$179pp
PDX
Portland
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
PDX
Portland
28 Jan - 8 Feb
$196pp
PDX
Portland
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
PDX
Portland
28 Jan - 8 Feb
$218pp
PDX
Portland
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
PDX
Portland

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

The cheapest one-way flights from Portland to Lambert-St Louis Intl
4:33 am - 4:37 pm
Delta
2 Stops
10h 04m
PDX - STL
Delta
$147
Delta
4:22 pm - 7:38 pm
Frontier
2 Stops
25h 16m
PDX - STL
Frontier
$150
Gotogate
8:23 am - 11:56 am
United Airlines
1 Stop
25h 33m
PDX - STL
United Airlines
$154
United

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 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, Sun Country Air, and United Airlines 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 Frontier for just $156, but on average you can expect to pay $188.

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 24 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 Frontier fly from Portland to Lambert-St Louis Intl in about 6h 22m. The time it takes to get you to your destination can typically vary by up to .

What is the cheapest airline to fly 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 $156 on this airline. This flight start at 48% 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 $80. United Airlines flights start at $131 while deals on American Airlines start at $142 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 January in Lambert-St Louis Intl
44.6 °F
Avg rainfall for January in Lambert-St Louis Intl
2.8 ″

Airports servicing Portland

Airports servicing St. Louis

Top 7 airlines flying from Portland to Lambert-St Louis Intl

The chart below displays the airlines Cheapflights users traveling from Portland to Lambert-St Louis Intl choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$94 $219 No cancel fee 62%
Sun Country Air
$88 $223 No cancel fee 83%
United Airlines
$122 $307 No cancel fee 69%
American Airlines
$124 $308 No cancel fee 71%
Alaska Airlines
$149 $332 No cancel fee 75%
Delta
$138 $347 No cancel fee N/A
Southwest
$265 $625 No cancel fee 63%
Home North America USA Missouri St Louis Lambert-St Louis Intl Cheap flights from Portland to Lambert-St Louis Intl