Cheap Flights from St Louis to Redmond

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      Travellers and cabin class, 1 Adult, Economy

      Compare St Louis to Redmond flight deals

      Find the cheapest month or even day of the year to fly to Redmond

      Book the best Redmond fare with no extra fees

      Find the cheapest month to fly from St Louis to Redmond

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

      St Louis to Redmond: Alternative routes

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

      St Louis to Redmond: Flight information

      The things to know before you go.
      Cheapest flight found$947
      Cheapest month to flyOctober

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

      The best price we found for a return flight from St Louis to Redmond is $947. 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 St Louis to Redmond. But we found flights with one or more stops from $947.
      As of October 2026, there are no flights flying from St Louis to Redmond.
      The cheapest month to fly from St Louis to Redmond is usually October.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Redmond Airport on Tuesday, 27 October 2026.
      No airlines currently offer direct flights between St Louis Airport and Redmond 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 Redmond 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 Redmond is around 40 days in advance, so don’t leave your flight to the last minute.

      Currently, Delta offers the cheapest flight tickets to Redmond.

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

      • For a stress-free journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This ensures you have enough time to catch your STL to RDM flight.

      • Travelling during a peak month such as July? Public holidays and other popular periods can mean longer queues at security. Play it safe and arrive up to four hours ahead of international flights and two hours before a domestic departure.

      • Consider adding a stopover when booking your ticket from St Louis Airport to Redmond Airport. Simply deselect 'Direct flights only' to break up your trip, or enjoy a detour to a new and interesting place. Here are some options between STL and RDM:

        • Dallas Fort Worth International Airport

        • Denver International Airport

        • Seattle / Tacoma International Airport

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

      • Right now, $404 is the cheapest price we've found for a one-way St Louis Airport to Redmond Airport flight. The best price for a return plane ticket is $947. Bear in mind that fares can change due to demand when booking.

      • It's usually smart to book in advance if you're hoping to get cheap tickets from STL to RDM. That's because airlines adjust prices based on demand, which tends to increase closer to departure.

      • The 'Whole month' search function shows you the cheapest flights from St Louis Airport to Redmond Airport across each month. It's a great way to find a bargain if your dates are flexible.

      • You won't have to check every day to see if fares have dropped when you set up a Price Alert. We'll let you know as soon as there's a new deal on cheap flights from STL to RDM.

      • Tailor your trip with filters. Pick your departure and arrival times, airlines and total journey duration. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from St Louis Airport to Redmond Airport.

      Handy information about St Louis Airport (STL)

      Arriving at Redmond Airport (RDM)

      • Consider staying in a hotel near RDM if you're on a late St Louis Airport to Redmond Airport flight. Settle into one of these accommodation options and skip the long transfer after landing:

      • Grab a Redmond Airport rental car and discover Redmond and beyond with your own set of wheels. Avis, Budget and Hertz are well-known companies to choose from here.

      • To lock in the lowest price, book your vehicle from Redmond Airport about one week ahead.

      Getting from Redmond Airport (RDM) to central Redmond

      • Redmond Airport is roughly 6 kilometres from the centre of Redmond. The drive time takes around 10 minutes.

      • Getting to the centre on public transport takes about 25 minutes.

      When to fly to Redmond Airport (RDM)

      • The quietest month for a flight from St Louis Airport to Redmond Airport is March, while July is the most popular. Choose the best time to go to Redmond based on whether you prefer a bustling atmosphere or a more laid-back vibe.

      • The warmest month in Redmond is July, with temperatures ranging between 10ºC and 32ºC. Lock in your flights from St Louis Airport to Redmond Airport in this month if this is the kind of weather you like.

      • December sees average temperatures of between -10ºC and 8ºC. Search for cheap tickets from STL to RDM sometime around then if you like travelling in cooler conditions.

      Explore more of the United States

      • You've seen Redmond, now it's time to discover other corners of the United States. Travel about 386 kilometres north to Seattle to check off its top attractions. From Space Needle to Pike Place Market and Seattle Skyline, you'll have a full itinerary ahead.

      • If you're ready to explore another corner of the United States, head for Portland, about 177 kilometres north-west of Redmond. Portland Japanese Garden, Peninsula Park Rose Garden and Beyond Van Gogh Portland are among its highlights.

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