Cheap Flights from Redmond to St Louis

Compare Redmond to St Louis flight deals

Find the cheapest month or even day of the year to fly to St Louis

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Find the cheapest month to fly from Redmond to St Louis

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Redmond to St Louis flights are currently cheapest in October.

Redmond to St Louis: Alternative routes

Compare routes from Redmond to St Louis below. You may find an airport to fly into that's cheaper, faster, or easier than St Louis.

Redmond to St Louis: Flight information

The things to know before you go.
Cheapest flight foundR 3,513
Cheapest month to flyOctober

Finding cheap flights from Redmond to St Louis: Frequently asked questions

The best price we found for a return flight from Redmond to St Louis is R 7,480. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Redmond to St Louis. But we found flights with one or more stops from R 7,463.
As of June 2026, there are no flights flying from Redmond to St Louis.
The cheapest month to fly from Redmond to St Louis is usually July.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Redmond Airport to St Louis Airport on Wednesday, 22 July 2026.
No airlines currently offer direct flights between Redmond Airport and St Louis Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to St Louis but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to St Louis is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta offers the cheapest flight tickets to St Louis.

Travelling from Redmond Airport (RDM) to St Louis Airport (STL): what you need to know

  • St Louis's timezone is UTC-6, making St Louis two hours ahead of Redmond.

  • Leave plenty of time to catch your RDM to STL flight. A good rule of thumb is to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Be prepared for longer lines during popular months such as July. Arriving up to four hours ahead of international flights and two hours for domestic departures is a smart move.

  • Consider adding a stopover when booking your ticket from Redmond Airport to St Louis Airport. Simply uncheck 'Direct flights only' to break up your journey, or perhaps explore a new destination along the way. Here's where you can stop between RDM and STL:

    • Denver International Airport

    • Seattle / Tacoma International Airport

    • Phoenix Sky Harbour Airport

How to find the cheapest flights from Redmond Airport (RDM) to St Louis Airport (STL)

  • R 3,513 is the best price for a one-way Redmond Airport to St Louis Airport flight. A return flight starts from R 7,463. These prices may change depending on demand.

  • Don't wait until the last minute. You're more likely to find cheap tickets from RDM to STL if you book in advance. Airlines often offer some excellent early bird discounts.

  • Finding cheap flights from Redmond Airport to St Louis Airport is more likely if you can be flexible with your travel plans. Use the 'Whole month' search tool to see the lowest fares across every month and score a great deal.

  • Save time searching for cheap flights from RDM to STL by setting up a Price Alert. You'll get an email or notification through the app when fares go down.

  • Pick your preferred departure and arrival times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from Redmond Airport to St Louis Airport.

Handy information about Redmond Airport (RDM)

  • 82% of flights departing from Redmond Airport arrive at their destination as planned. With its reliable on-time performance, you're unlikely to face delays when flying out of RDM.

  • Central Redmond to Redmond Airport is around 6 kilometres. Depending on traffic, it'll take you about 10 minutes to get there if you're catching a taxi, ride-sharing or driving.

  • The journey on public transport typically takes 25 minutes.

  • Get your holiday off to a relaxed start by staying near RDM. Whether you've booked an early flight from Redmond Airport to St Louis Airport or want to avoid feeling rushed, these stays have you covered:

Arriving at St Louis Airport (STL)

Getting from St Louis Airport (STL) to central St Louis

  • STL is located at 10701 Lambert International Blvd..

  • St Louis Airport to central St Louis has a drive time of about 25 minutes. It's approximately 24 kilometres away.

  • It takes roughly 30 minutes if you're using public transport.

When to fly to St Louis Airport (STL)

  • July is the busiest month for flights from Redmond Airport to St Louis Airport. To steer clear of the crowds, head to St Louis in March.

  • The warmest month in St Louis is July, with the temperature ranging between 17ºC (63ºF) and 33ºC (91ºF). Lock in your flights from Redmond Airport to St Louis Airport in this month if this is the kind of weather you like.

  • If you want cooler conditions, search for a cheap ticket from RDM to STL in January. Temperatures average between -7ºC (19ºF) and 8ºC (46ºF) then.

Explore more of the United States

  • St Louis is easy to fall in love with, but there are so many other corners of the United States waiting to be explored. About 418 kilometres north-east of St Louis, a visit to Chicago will keep you on the go. Start with leading attractions like Millennium Park, Art Institute of Chicago and Willis Tower.

  • If you want to check out another great destination in the United States, consider Indianapolis, roughly 370 kilometres east of St Louis. Lucas Oil Stadium, Eiteljorg Museum and The Children's Museum of Indianapolis are among its highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.