$147 Cheap Flights from St. Louis (STL) to Redmond (RDM)

View $147 flight on Tue, Jan 13, 2026Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Redmond Municipal Airport (RDM)

Cheap Flights from St. Louis to Redmond (STL-RDM)

Prices were available within the past 7 days and start at $147 for one-way flights and $256 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, Jan 23 - Mon, Jan 26
STL
St. Louis
RDM
Redmond
$256 Roundtrip, found 4 hours ago
$256
Roundtrip
found 4 hours ago
Select Delta flight, departing Fri, Jan 23 from St. Louis to Redmond, returning Mon, Jan 26, priced at $256 found 4 hours ago
Delta
Fri, Jan 23 - Mon, Jan 26
STL
St. Louis
RDM
Redmond
$277 Roundtrip, found 4 hours ago
$277
Roundtrip
found 4 hours ago
Select Delta flight, departing Fri, Jan 23 from St. Louis to Redmond, returning Mon, Jan 26, priced at $277 found 4 hours ago
Delta
Sat, Dec 6 - Tue, Dec 16
STL
St. Louis
RDM
Redmond
$294 Roundtrip, found 2 days ago
$294
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Dec 6 from St. Louis to Redmond, returning Tue, Dec 16, priced at $294 found 2 days ago
Delta
Fri, Jan 23 - Mon, Jan 26
STL
St. Louis
RDM
Redmond
$299 Roundtrip, found 4 hours ago
$299
Roundtrip
found 4 hours ago
Select Delta flight, departing Fri, Jan 23 from St. Louis to Redmond, returning Mon, Jan 26, priced at $299 found 4 hours ago
Delta
Sun, Nov 23 - Wed, Dec 10
STL
St. Louis
RDM
Redmond
$304 Roundtrip, found 2 days ago
$304
Roundtrip
found 2 days ago
Select Delta flight, departing Sun, Nov 23 from St. Louis to Redmond, returning Wed, Dec 10, priced at $304 found 2 days ago
Delta
Wed, Jan 21 - Sat, Jan 24
STL
St. Louis
RDM
Redmond
$315 Roundtrip, found 5 days ago
$315
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Jan 21 from St. Louis to Redmond, returning Sat, Jan 24, priced at $315 found 5 days ago
Alaska Airlines
Wed, Jan 7 - Sat, Jan 10
STL
St. Louis
RDM
Redmond
$318 Roundtrip, found 5 days ago
$318
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, Jan 7 from St. Louis to Redmond, returning Sat, Jan 10, priced at $318 found 5 days ago
United
Fri, Jan 23 - Mon, Jan 26
STL
St. Louis
RDM
Redmond
$322 Roundtrip, found 4 hours ago
$322
Roundtrip
found 4 hours ago
Select United flight, departing Fri, Jan 23 from St. Louis to Redmond, returning Mon, Jan 26, priced at $322 found 4 hours ago
American Airlines
Wed, Jan 7 - Sat, Jan 10
STL
St. Louis
RDM
Redmond
$336 Roundtrip, found 5 days ago
$336
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Jan 7 from St. Louis to Redmond, returning Sat, Jan 10, priced at $336 found 5 days ago
Hawaiian Airlines
Sat, Nov 22 - Wed, Nov 26
STL
St. Louis
RDM
Redmond
$560 Roundtrip, found 1 day ago
$560
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Sat, Nov 22 from St. Louis to Redmond, returning Wed, Nov 26, priced at $560 found 1 day ago

Find the cheapest month to fly from St. Louis (STL) to Redmond (RDM)

February is typically the cheapest month to fly

From $259 - $692 per traveler.

Alternative airports near Redmond

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Robert's Field RDM. Cheapest and Closest option available. Average driving time to city center is 4 minutes. Flights from $400
RDM
Robert's Field
CheapestClosest
Average driving time to city center4 min
Flights from $400

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Robert's Field Airport (RDM) cost?
Snag a cheap one-way flight from $147 or cheap return flight from $256 from Lambert-St. Louis Intl. Airport (STL) to Robert's Field Airport (RDM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Robert's Field Airport (RDM)?
January is the cheapest month to fly from STL to RDM. Timing your trip outside of the busy season is often the key to landing a great deal.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Robert's Field Airport (RDM)?
To find the cheapest airline flying from STL to RDM, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Robert's Field Airport (RDM)?
There aren't any daily direct flights from Lambert-St. Louis Intl. Airport (STL) to Robert's Field Airport (RDM). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from STL to RDM?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary based on a range of factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Robert's Field Airport (RDM)?
To reach Robert's Field Airport (RDM) on time, pick a flight that leaves from Lambert-St. Louis Intl. Airport (STL) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Robert's Field Airport (RDM) last-minute?
Holding off until just before your trip to book a flight from STL to RDM often results in higher prices. While you may come across some last-minute deals, there's no guarantee. Be flexible with your travel plans for the best chance of snagging a bargain.
Is it cheaper to book a STL to RDM flight and hotel package?
Securing a STL to RDM flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Pick from our extensive range of stays and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Robert's Field Airport (RDM)?
If you reserved your STL to RDM flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Robert's Field
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Roundtrip price
$255
Distance
1627 mi

Book with confidence

St. Louis to Redmond Flights

The cheapest times to fly from St. Louis to Redmond

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Redmond are during the month of January. You can find some of the cheapest flights from St. Louis to Redmond with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Redmond

Sunday is one of the best days to book for cheap flights from St. Louis to Redmond: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Redmond

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Redmond in 2025. You can also book with separate airlines for your outbound and return journeys, from $147 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Redmond flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Redmond airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Redmond Flights

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*Available to One Key members.