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$256+ Cheap flights from Redmond to St. Louis (RDM - STL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
RDM — STL
Dec 19 — Dec 261
Fri 12/19
Fri 12/26
1 adult, Economy
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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 November 19, 2025.

This Delta deal was found by Cheapflights users on 11/18. 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 12/1311:20 amRDM - STL
2 stops10h 07mDelta
Thu 1/17:20 amSTL - RDM
1 stop6h 23mDelta
Deal found 11/18$377
This Alaska Airlines deal was found by Cheapflights users on 11/18. 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 12/2212:26 pmRDM - STL
2 stops9h 33mAlaska Airlines
Tue 12/305:26 pmSTL - RDM
1 stop25h 38mAlaska Airlines
Deal found 11/18$435
This United Airlines deal was found by Cheapflights users on 11/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/222:00 pmRDM - STL
1 stop6h 30mUnited Airlines
Wed 12/316:41 amSTL - RDM
1 stop7h 41mUnited Airlines
Deal found 11/18$456
This Alaska Airlines deal was found by Cheapflights users on 11/18. 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.
Tue 12/232:59 pmRDM - STL
1 stop7h 00mAlaska Airlines
Sun 12/286:20 amSTL - RDM
2 stops12h 44mAlaska Airlines
Deal found 11/18$471
This Alaska Airlines deal was found by Cheapflights users on 11/17. 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.
Sat 12/133:56 pmRDM - STL
2 stops22h 23mAlaska Airlines
Thu 1/16:20 amSTL - RDM
2 stops10h 56mAlaska Airlines
Deal found 11/17$476
This Alaska Airlines deal was found by Cheapflights users on 11/18. 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.
Tue 12/234:00 pmRDM - STL
1 stop5h 59mAlaska Airlines
Sat 12/275:16 amSTL - RDM
2 stops15h 54mAlaska Airlines
Deal found 11/18$479
This Alaska Airlines deal was found by Cheapflights users on 11/18. 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 12/225:54 amRDM - STL
1 stop8h 32mAlaska Airlines
Sun 12/286:20 amSTL - RDM
2 stops12h 44mAlaska Airlines
Deal found 11/18$494
This Alaska Airlines deal was found by Cheapflights users on 11/18. 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 12/225:54 amRDM - STL
2 stops11h 28mAlaska Airlines
Sat 12/275:16 amSTL - RDM
2 stops15h 54mAlaska Airlines
Deal found 11/18$507
This United Airlines deal was found by Cheapflights users on 11/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/231:18 pmRDM - STL
1 stop7h 11mUnited Airlines
Wed 12/316:41 amSTL - RDM
1 stop7h 41mUnited Airlines
Deal found 11/18$509

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 November 19, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$256
(Delta)

Popular in

February

Cheapest in

January

Average price

$366
Provider with most accurate pricing for Bend/Redmond-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bend/Redmond-Lambert-St Louis flights.
Search Deals
From Bend/Redmond to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 19, 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

11:35 am-11:25 pm

2 stops9h 50m

Lambert-St Louis

Mon 1/26

3:31 pm-10:47 pm

2 stops9h 16m

$256

RedmondSt. Louis

RDM - STL

RDMSTL

Bend/Redmond

Thu 1/22

6:18 pm-1:54 pm

1 stop17h 36m

Lambert-St Louis

Mon 1/26

2:50 pm-11:52 pm

1 stop11h 02m

$357

RedmondSt. Louis

RDM - STL

RDMSTL

Bend/Redmond

Sat 12/13

11:20 am-11:27 pm

2 stops10h 07m

Lambert-St Louis

Thu 1/1

7:20 am-11:43 am

1 stop6h 23m

$377

RedmondSt. Louis

RDM - STL

RDMSTL

Bend/Redmond

Tue 4/7

1:05 pm-11:55 pm

1 stop8h 50m

Lambert-St Louis

Wed 4/8

2:55 pm-9:04 pm

1 stop8h 09m

$388

RedmondSt. Louis

RDM - STL

RDMSTL

Bend/Redmond

Tue 4/7

6:20 am-5:59 pm

2 stops9h 39m

Lambert-St Louis

Wed 4/8

6:59 pm-11:39 pm

1 stop6h 40m

$394

RedmondSt. Louis

RDM - STL

RDMSTL

Bend/Redmond

Sun 11/23

2:58 pm-11:54 pm

1 stop6h 56m

$297

RedmondSt. Louis

RDM - STL

RDMSTL

Bend/Redmond

Sun 11/23

12:25 pm-11:23 pm

2 stops8h 58m

$303

RedmondSt. Louis

RDM - STL

RDMSTL

Bend/Redmond

Sun 11/23

3:56 pm-2:33 pm

3 stops20h 37m

$669

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/17

Compare providers for flights from Redmond to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Redmond to St. Louis in November.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Redmond-St. Louis flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Redmond-St. Louis flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Redmond-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Redmond-St. Louis flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Redmond-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, September is the cheapest month in which you can book a flight from Redmond to St. Louis (average of $222). Flying from Redmond to St. Louis in February is currently the most expensive (average of $605). 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 November 19, 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 in the evening could potentially save you up to 46% on airfare.

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 November 19, 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
11,318 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Alaska Airlines
8.0
Very good
11,318 reviews
Alaska Airlines
8.0
Very good
11,318 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Delta
7.9
Good
8,002 reviews
Alaska Airlines
8.0
Very good
11,318 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
United Airlines
7.4
Good
9,019 reviews
Alaska Airlines
8.0
Very good
11,318 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.

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, Alaska Airlines, and Hawaiian Airlines can get you from Redmond to St. Louis in just under 8h 50m. Your travel time can differ by up to 8h 46m. There are 1626 mi between Redmond and St. Louis. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Alaska Airlines, at $315, was found to be the cheapest airline from Redmond to St. Louis.Alternate airlines to your destination round-trip include United Airlines and Delta. These flights start at 33% 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, September is the cheapest month in which you can book a flight from Redmond to St. Louis (average of $222). Flying from Redmond to St. Louis in February is currently the most expensive (average of $605). 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

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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 November 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$315Average$460FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$316Average$562FlexibilityNo cancel feeOn-time69%
DeltaCheapest$362Average$516FlexibilityNo cancel feeOn-timeN/A

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