Cheap flights from Portland, OR to St. Louis, MO
Flights starting at £119. Choose between Hawaiian Airlines, Alaska Airlines, or United Airlines to find the best price.

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How much do flights to St. Louis cost?
Cheapest one-way trip | £119 |
---|---|
Cheapest round-trip | £242 |
Average round-trip | £386 |
Most popular airline | Hawaiian Airlines |
Key info about flying to St. Louis
Great deals from Portland to St. Louis
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Check-in for a flight from Portland to St. Louis
Name | Carrier code | IATA Code | Passport needed during booking |
---|---|---|---|
Hawaiian Airlines | HAL | HA | No |
Alaska Airlines | ASA | AS | No |
United Airlines | UAL | UA | Yes |
American Airlines | AAL | AA | No |
Online check-in is not available for these airlines.
Weather in St. Louis
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 3°C | -3°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 | 16°C |
October | 20°C | 10°C |
November | 12°C | 3°C |
December | 7°C | 0°C |
14 day forecast
St. Louis travel tips
Grant's Farm has been an animal reservation for a long time and is open to the public. Visiting the farm is free, but parking costs $15 per car. These funds go to the maintenance of the farm. Buffaloes, elephants, camels, donkeys, kangaroos, goats, and peacocks live here. You will see most of the animals on the tram tour around the farm area.
The St. Louis Moto Museum is a private collection of motorcycles. Its exhibits came from more than 20 countries around the world, and the period spans over 100 years. The entrance to the museum is free, visitors are accepted from Monday to Friday.
In St. Louis, they know how to have a great evening. Head to areas such as The Loop in the West End for great atmospheric bars, dance clubs, and traditional city music.
Frequently asked questions
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