Question 1

What are the most popular routes to and from Portland?

Accepted Answer

Travelers frequently search for route combinations, such as Portland and London, Guadalajara, Mexico City, Los Angeles, Las Vegas, Phoenix, San Francisco, Oaxaca, Manchester, Edinburgh, Denver, Kailua, New York, Ontario, Calgary, Puerto Escondido, Oaxaca, Chicago, San Diego, Puerto Vallarta, San José del Cabo.

Question 2

What are the most popular routes to and from St. Louis?

Accepted Answer

Travelers frequently search for route combinations, such as St. Louis and London, Denver, Orlando, Las Vegas, Toronto, Fort Lauderdale, Dallas, Los Angeles, Bogotá, Mexico City, Edmonton, Guadalajara, Tokyo, Reykjavik, Buenos Aires, Minneapolis, Frankfurt, Winnipeg, Yerevan, Accra.

Question 3

What airports are near Portland?

Accepted Answer

The main airport in Portland is Portland International. It is also served by Seattle–Tacoma International, Portland International, Eugene, Roberts Field, Kenmore Air Harbor Seaplane Base.

Question 4

What airports are near St. Louis?

Accepted Answer

The main airport in St. Louis is St. Louis Lambert International. It is also served by St. Louis Lambert International, Evansville Regional, Abraham Lincoln Capital, MidAmerica St. Louis, General Wayne A. Downing Peoria International, Columbia Regional, Central Illinois Regional, Waynesville-St. Robert Regional, Cape Girardeau Regional.

Question 5

Which airlines fly between Portland and St. Louis?

Accepted Answer

Currently, you can fly between Portland and St. Louis with United Airlines, Frontier Airlines, Alaska Airlines, WestJet, Air Canada.

Question 6

When’s the best time to travel between Portland and St. Louis?

Accepted Answer

If you don’t have specific dates for your trip between Portland and St. Louis, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.

Question 7

What flights operate between Portland and St. Louis?

Accepted Answer

Traveling between Portland and St. Louis, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

Question 8

How many airports are there near Portland?

Accepted Answer

There are a number of airports in and around Portland. The main one is Portland International and other nearby airports include Seattle–Tacoma International, Portland International, Eugene, Roberts Field, Kenmore Air Harbor Seaplane Base

Question 9

How many airports are there near St. Louis?

Accepted Answer

There are a number of airports in and around St. Louis. The main one is St. Louis Lambert International and other nearby airports include St. Louis Lambert International, Evansville Regional, Abraham Lincoln Capital, MidAmerica St. Louis, General Wayne A. Downing Peoria International, Columbia Regional, Central Illinois Regional, Waynesville-St. Robert Regional, Cape Girardeau Regional.

Question 10

What time do nonstop (direct) flights between Portland and St. Louis depart?

Accepted Answer

This depends on the airline’s flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from Portland, such as morning, afternoon, evening, or night, or select the exact hours for departure.

Question 11

What time do nonstop (direct) flights between Portland and St. Louis arrive?

Accepted Answer

This depends on the airline’s flight schedule. You can easily select your preferred arrival time when you search on our website or mobile app. Choose the time of day you wish to arrive at St. Louis, such as morning, afternoon, evening, or night, or select the exact hours for arrival.

Question 12

What time do flights between Portland and St. Louis depart?

Accepted Answer

This depends on the airline’s flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from Portland, such as morning, afternoon, evening, or night, or select the exact hours for departure.

Question 13

What time do flights between Portland and St. Louis arrive?

Accepted Answer

This depends on the airline’s flight schedule. You can easily select your preferred arrival time when you search on our website or mobile app. Choose the time of day you wish to arrive at St. Louis, such as morning, afternoon, evening, or night, or select the exact hours for arrival.

Cheapest one-way trip	£138
Cheapest round-trip	£277
Average round-trip	£441
Most popular airline	United Airlines

Airline	Mon 12.10	Tue 13.10	Wed 14.10	Thu 15.10	Fri 16.10	Sat 17.10	Sun 18.10
Alaska Airlines	---	---	---	---	---	---	---
Weekly flights: 0 total	Daily flights: 0 average	Most flights: 0 flights

Airline	Mon 19.10	Tue 20.10	Wed 21.10	Thu 22.10	Fri 23.10	Sat 24.10	Sun 25.10
Alaska Airlines	---	---	---	---	---	---	---
Weekly flights: 0 total	Daily flights: 0 average	Most flights: 0 flights

Airline	Mon 26.10	Tue 27.10	Wed 28.10	Thu 29.10	Fri 30.10	Sat 31.10	Sun 01.11
Alaska Airlines	---	---	---	---	---	---	---
Weekly flights: 0 total	Daily flights: 0 average	Most flights: 0 flights

Airline	Mon 02.11	Tue 03.11	Wed 04.11	Thu 05.11	Fri 06.11	Sat 07.11	Sun 08.11
Alaska Airlines	---	---	---	---	---	---	---
Weekly flights: 0 total	Daily flights: 0 average	Most flights: 0 flights

Name	Carrier code	IATA Code	Passport needed during booking
United Airlines	UAL	UA	No
Frontier Airlines	FFT	F9	No
Alaska Airlines	ASA	AS	No
WestJet	WJA	WS	No
Air Canada	ACA	AC	Yes

Month	Average monthly max temperature	Average monthly min temperature
January	3°C	-4°C
February	6°C	-2°C
March	13°C	3°C
April	18°C	8°C
May	24°C	14°C
June	29°C	19°C
July	31°C	21°C
August	30°C	20°C
September	27°C	17°C
October	20°C	10°C
November	12°C	4°C
December	7°C	0°C

Cheap flights from Portland to St. Louis from £138

Explore flight deals to St. Louis

Not happy with the results? Try some of our useful filters

Search by stops

Search by carrier

Search by price

Search by departure date

Not happy with the results? Try some of our useful filters

Search by stops

Search by carrier

Search by price

Search by departure date

How much do flights to St. Louis cost?

Cheapest one-way trip

Cheapest round-trip

Average round-trip

Most popular airline

Key info about flying to St. Louis

Weekly direct flights

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

Weather in St. Louis

Average Weather

14 day forecast

St. Louis travel tips

Spend time at Grant’s Farm, a longtime landmark in Grantwood Village in St. Louis

Do you like motorcycles and speed? Visit the St. Louis Moto Museum

Want to have some fun in the evening? Head to the partying areas of St. Louis

Frequently asked questions