Q: Can I fly back to Portland from Lambert-St Louis?

Returning to Portland from Lambert-St Louis COVID-19 testing requirements Visitors from Lambert-St Louis are not required to present a negative COVID-19 PCR test or antigen result upon entering Portland. Quarantine requirements Visitors from Lambert-St Louis are not required to quarantine after entering Portland.

Question 1

How popular is this Portland to St. Louis flight route?

Accepted Answer

This flight path from Portland to Lambert-St Louis was viewed by 11 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

Question 2

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

Accepted Answer

Currently priced at $161, Spirit Airlines will fly you from Portland to St. Louis and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Frontier for as low as $165. Users have found that Spirit Airlines is 65% cheaper than the other options available to this destination.

Question 3

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

Accepted Answer

To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $78. Frontier flights start at $86 while deals on United Airlines start at $162 one-way.

Question 4

Can I fly to Lambert-St Louis from Portland right now?

Accepted Answer

Information is based on travel restrictions for travel to Lambert-St Louis within the United States

Most visitors from Portland need to provide a negative COVID-19 test result and/or quarantine to enter Lambert-St Louis.

COVID-19 testing requirements
Visitors from Portland are not required to present a negative COVID-19 PCR test or antigen result upon entering Lambert-St Louis.

Quarantine requirements
Visitors from Portland are not required to quarantine after entering Lambert-St Louis.

Question 5

Can I fly back to Portland from Lambert-St Louis?

Accepted Answer

Returning to Portland from Lambert-St Louis

COVID-19 testing requirements
Visitors from Lambert-St Louis are not required to present a negative COVID-19 PCR test or antigen result upon entering Portland.

Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering Portland.

Question 6

What are the most popular airlines that fly from Portland to St. Louis?

Accepted Answer

Before booking your flight from Portland to St. Louis check out the most popular airlines for this route: American Airlines, Alaska Airlines or Delta.

Question 7

What are the cheapest flights from Portland to St. Louis?

Accepted Answer

Looking at all options, your cheapest flight can be booked for $200. While the most popular route (Portland - Lambert-St Louis) can be booked for $166 on average our data indicates $789 when flying from Portland to St. Louis.

Question 8

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

Accepted Answer

Yes, there are multiple flights from Portland to St. Louis for under $200. The cheapest flight booked recently is on Multiple Airlines for just $160, but on average you can expect to pay $189.

Question 9

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

Accepted Answer

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

Question 10

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

Accepted Answer

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.

Question 11

What is the cheapest day to fly round-trip from Portland to St. Louis?

Accepted Answer

Travelers have found that booking a Monday departure is the best way to save up to 40% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

Question 12

How far in advance should I book a flight from Portland to St. Louis?

Accepted Answer

To save on the cost of your flight from Portland to St. Louis, book at least 44 days before your planned departure. Booking around this time can save you about 25% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $502 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $561.

Question 13

What is the cheapest month to fly from Portland to St. Louis?

Accepted Answer

February can be a great time to fly to St. Louis from Portland with a flight ticket averaging about $466. Cheapflights users have found deals in the month of February for as cheap as $215. The most expensive prices can be found in the month of July.

Question 14

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

Accepted Answer

Unlike in the afternoon, when flights are generally more expensive, you can save up to 30% on flights from Portland to St. Louis by exploring options for tickets in the evening.

Popular in	July	High demand for flights, 32% potential price rise
Cheapest in	February	Best time to find cheap flights, 35% potential price drop
Round-trip from	$301	From Portland to Lambert-St Louis
One-way from	$142	One-way flight from Portland to Lambert-St Louis

Airline	Cheapest	Average	Flexibility	On-time	COVID-19 safety
Juneyao Airlines	Cheapest$15	Average$20	FlexibilityNo cancel fee	On-time66%	COVID-19 safety	Search Juneyao Airlines flights
Spirit Airlines	Cheapest$144	Average$238	FlexibilityNo cancel fee	On-time65%	COVID-19 safety	Search Spirit Airlines flights
Frontier	Cheapest$161	Average$355	FlexibilityNo cancel fee	On-time62%	COVID-19 safety	Search Frontier flights
Delta	Cheapest$237	Average$525	FlexibilityNo cancel fee	On-timeN/A	COVID-19 safety	Search Delta flights
American Airlines	Cheapest$257	Average$559	FlexibilityNo cancel fee	On-time71%	COVID-19 safety	Search American Airlines flights
Alaska Airlines	Cheapest$316	Average$529	FlexibilityNo cancel fee	On-time75%	COVID-19 safety	Search Alaska Airlines flights
United Airlines	Cheapest$324	Average$637	FlexibilityNo cancel fee	On-time69%	COVID-19 safety	Search United Airlines flights

0%of flight departures	Early morningMidnight to 6 am
0%of flight departures	Morning6 am to noon
100%of flight departures	AfternoonNoon to 6 pm
0%of flight departures	Evening6 pm to midnight

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

The best prices from Portland to Lambert-St Louis are usually found in February or January, booked 43 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

How to find the cheapest flight from Portland (PDX) to St. Louis (STL)

All the information you need to plan the best PDX to STL flight in 2022: compare Portland to St. Louis flight prices with the expected peak season, weather and rainfall in St. Louis.

What is the cheapest day to fly round-trip from Portland to St. Louis?

How far in advance should I book a flight from Portland to St. Louis?

What is the cheapest month to fly from Portland to St. Louis?

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

Cheap flights from Portland to St. Louis in December, January 2022

The best prices found for PDX to STL flights for December, January

Portland to St. Louis 2022 flight deals

Cheap flights to St. Louis from Portland found for this year

Cheap Frontier flights from Portland to St. Louis

Cheap Spirit Airlines flights from Portland to St. Louis

Last minute flights from Portland to St. Louis

Late deals on return flights to St. Louis from Portland, departing today and this week

One-way flights to St. Louis from Portland

The cheapest one-way flights from Portland to St. Louis

Related info for your journey

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

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

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

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

How popular is this Portland to St. Louis flight route?

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

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

What are the most popular airlines that fly from Portland to St. Louis?

What are the cheapest flights from Portland to St. Louis?

Other flights from Portland

Other flights to St. Louis

Flights to St. Louis from Portland

Rent a Car

COVID Restrictions

Can I fly to Lambert-St Louis from Portland right now?

Can I fly back to Portland from Lambert-St Louis?

Alternative routes for Portland to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from Portland to St. Louis

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

Popular flight searches

Check out other popular destinations found by fellow travelers in 2022

Hourly flight availability from Portland to St. Louis

See what time of day planes typically take off from Portland to St. Louis