HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
St. Louis

$167+ Cheap flights from Redmond to St. Louis (RDM - STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
RDM — STL
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Redmond to St. Louis with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Redmond to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Redmond (RDM) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 17, 2025.

Round-trip from

$280
(Delta)

One-way from

$167
(Delta)

Popular in

December

Cheapest in

October

Average price

$388
From Bend/Redmond to Lambert-St Louis
Search Deals
One-way flight from Bend/Redmond to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Redmond to St. Louis

Cheapest flights from Redmond to St. Louis
Explore the most affordable flight options available from Redmond to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/811:25 amRDM - STL
2 stops7h 58mDelta
Tue 11/1112:49 pmSTL - RDM
2 stops8h 05mDelta
Deal found 9/15$294
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2411:25 amRDM - STL
2 stops10h 59mDelta
Mon 10/273:30 pmSTL - RDM
2 stops9h 05mDelta
Deal found 9/14$346
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/177:34 pmRDM - STL
2 stops21h 23mDelta
Wed 11/196:00 amSTL - RDM
2 stops14h 54mDelta
Deal found 9/15$354
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/82:58 pmRDM - STL
1 stop6h 53mAmerican Airlines
Tue 11/112:29 pmSTL - RDM
1 stop6h 56mAmerican Airlines
Deal found 9/15$367
This Alaska Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/175:57 pmRDM - STL
1 stop19h 21mAlaska Airlines
Wed 11/197:00 amSTL - RDM
1 stop12h 04mAlaska Airlines
Deal found 9/15$376
This Alaska Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/241:38 pmRDM - STL
1 stop8h 25mAlaska Airlines
Mon 10/277:00 amSTL - RDM
1 stop12h 04mAlaska Airlines
Deal found 9/14$386
This Alaska Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/173:31 pmRDM - STL
1 stop6h 28mAlaska Airlines
Thu 11/207:00 amSTL - RDM
1 stop13h 56mAlaska Airlines
Deal found 9/15$415
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/177:34 pmRDM - STL
2 stops11h 21mDelta
Thu 11/202:21 pmSTL - RDM
2 stops10h 32mDelta
Deal found 9/15$420
This Hawaiian Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/253:41 pmRDM - STL
1 stop6h 18mHawaiian Airlines
Mon 9/293:35 pmSTL - RDM
1 stop7h 31mHawaiian Airlines
Deal found 9/15$556

Cheapflights Fare Finder

 
Customize your flight search to find flights from Redmond to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Redmond to St. Louis that are best for you.

Fly from

Redmond

Fly to

St. Louis

Route

Depart

Return

Price

RedmondSt. Louis

RDM - STL

RDMSTL

Bend/Redmond

Thu 1/22

7:25 pm-9:44 am

2 stops12h 19m

Lambert-St Louis

Mon 1/26

7:30 am-6:40 pm

2 stops13h 10m

$280

RedmondSt. Louis

RDM - STL

RDMSTL

Bend/Redmond

Sat 11/8

11:25 am-9:23 pm

2 stops7h 58m

Lambert-St Louis

Tue 11/11

12:49 pm-6:54 pm

2 stops8h 05m

$294

RedmondSt. Louis

RDM - STL

RDMSTL

Bend/Redmond

Fri 10/24

11:25 am-12:24 am

2 stops10h 59m

Lambert-St Louis

Mon 10/27

3:30 pm-10:35 pm

2 stops9h 05m

$346

RedmondSt. Louis

RDM - STL

RDMSTL

Bend/Redmond

Mon 11/17

7:34 pm-6:57 pm

2 stops21h 23m

Lambert-St Louis

Wed 11/19

6:00 am-6:54 pm

2 stops14h 54m

$354

RedmondSt. Louis

RDM - STL

RDMSTL

Bend/Redmond

Sat 11/8

2:58 pm-11:51 pm

1 stop6h 53m

Lambert-St Louis

Tue 11/11

2:29 pm-7:25 pm

1 stop6h 56m

$367

RedmondSt. Louis

RDM - STL

RDMSTL

Bend/Redmond

Mon 11/17

5:57 pm-3:18 pm

1 stop19h 21m

Lambert-St Louis

Wed 11/19

7:00 am-5:04 pm

1 stop12h 04m

$376

RedmondSt. Louis

RDM - STL

RDMSTL

Bend/Redmond

Thu 1/22

5:45 pm-1:52 pm

1 stop18h 07m

Lambert-St Louis

Mon 1/26

2:55 pm-2:46 pm

2 stops25h 51m

$380

RedmondSt. Louis

RDM - STL

RDMSTL

Bend/Redmond

Fri 10/24

1:38 pm-12:03 am

1 stop8h 25m

Lambert-St Louis

Mon 10/27

7:00 am-5:04 pm

1 stop12h 04m

$386

RedmondSt. Louis

RDM - STL

RDMSTL

Bend/Redmond

Tue 12/9

7:00 am-7:06 pm

2 stops10h 06m

$167

RedmondSt. Louis

RDM - STL

RDMSTL

Bend/Redmond

Wed 10/1

8:00 am-5:34 pm

1 stop7h 34m

$228

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 13 results
1
2

Best time to book a flight from Redmond to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Redmond with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Redmond to St. Louis

What is the cheapest month to book a flight from Redmond to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Redmond to St. Louis (average of $311). Flying from Redmond to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from RDM to STL?

Find hourly flight availability from Redmond to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

One of the essential ways to save on airfare from Redmond to St. Louis is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 22% on airfare.

How much does it cost to fly round-trip from Redmond to St. Louis?

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated September 17, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and United Airlines from Redmond to St. Louis have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Delta
8.0
Very good
7,961 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
United Airlines
7.4
Good
8,926 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.

Related info for your journey

Find useful and relevant information for your journey from Redmond to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Redmond to St. Louis?

    Delta can get you from Redmond to St. Louis in just under 12h 19m. Your travel time can differ by up to . There are 1626 mi between Redmond and St. Louis.

  • What are the cheapest airlines flying from Redmond to St. Louis round-trip?

    Delta, at $283, was found to be the cheapest airline from Redmond to St. Louis.Alternate airlines to your destination round-trip include Alaska Airlines and United Airlines. These flights start at 43% lower than the current average price 3 months from now.

  • Can I find deals for flights from Redmond to St. Louis that include hotel bookings?

    Yes. In addition to deals on Redmond to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Redmond to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Redmond to St. Louis.

  • Can I find deals for business class flights from Redmond to St. Louis?

    Yes. Cheapflights offers flight deals from Redmond to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Redmond to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Redmond to St. Louis (average of $311). Flying from Redmond to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Redmond to St. Louis

Discover the top 3 airlines that operate flights from Redmond to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$283Average$627FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$315Average$535FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$316Average$562FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.