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$119+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
RDM — STL
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
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1. Tell us where you want to go

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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 January 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$354
(Delta)

One-way from

$119
(United Airlines)

Popular in

March

Cheapest in

January

Average price

$350
Provider with most accurate pricing for Bend/Redmond-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Bend/Redmond-Lambert-St Louis flights.
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From Bend/Redmond to Lambert-St Louis
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One-way flight from Bend/Redmond to Lambert-St Louis
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Highest demand for flights based on searches. 10% potential increase in price ($56 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 15, 2026.

This Delta deal was found by Cheapflights users on 1/15. 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.
Wed 2/1811:23 am
RDM
-
STL
2 stops10h 00m
Delta
Sun 2/226:40 pm
STL
-
RDM
1 stop7h 05m
Delta
Deal found 1/15$354
This United Airlines deal was found by Cheapflights users on 1/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/61:13 pm
RDM
-
STL
1 stop5h 28m
United Airlines
Sat 3/145:15 am
STL
-
RDM
2 stops8h 56m
United Airlines
Deal found 1/14$355
This Alaska Airlines deal was found by Cheapflights users on 1/15. 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.
Wed 2/189:02 am
RDM
-
STL
1 stop26h 49m
Alaska Airlines
Sun 2/227:00 am
STL
-
RDM
1 stop16h 32m
Alaska Airlines
Deal found 1/15$365
This Delta deal was found by Cheapflights users on 1/14. 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.
Sun 4/125:15 am
RDM
-
STL
1 stop6h 02m
Delta
Fri 4/176:45 pm
STL
-
RDM
1 stop6h 59m
Delta
Deal found 1/14$385
This Alaska Airlines deal was found by Cheapflights users on 1/15. 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.
Thu 2/129:02 am
RDM
-
STL
1 stop12h 57m
Alaska Airlines
Mon 2/167:00 am
STL
-
RDM
1 stop16h 32m
Alaska Airlines
Deal found 1/15$388
This Alaska Airlines deal was found by Cheapflights users on 1/15. 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.
Sat 10/171:38 pm
RDM
-
STL
1 stop8h 21m
Alaska Airlines
Tue 10/206:41 am
STL
-
RDM
1 stop8h 04m
Alaska Airlines
Deal found 1/15$389
This Delta deal was found by Cheapflights users on 1/15. 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 10/175:55 am
RDM
-
STL
1 stop5h 28m
Delta
Mon 10/196:59 pm
STL
-
RDM
2 stops18h 59m
Delta
Deal found 1/15$402
This Alaska Airlines deal was found by Cheapflights users on 1/15. 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.
Thu 10/151:38 pm
RDM
-
STL
1 stop8h 21m
Alaska Airlines
Tue 10/203:24 pm
STL
-
RDM
1 stop7h 48m
Alaska Airlines
Deal found 1/15$414
This Alaska Airlines deal was found by Cheapflights users on 1/13. 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 6/66:00 am
RDM
-
STL
2 stops9h 06m
Alaska Airlines
Sat 6/137:30 pm
STL
-
RDM
1 stop6h 53m
Alaska Airlines
Deal found 1/13$417
This Delta deal was found by Cheapflights users on 1/15. 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 10/175:55 am
RDM
-
STL
1 stop5h 28m
Delta
Tue 10/203:50 pm
STL
-
RDM
2 stops8h 56m
Delta
Deal found 1/15$419

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 January 15, 2026.
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

Fri 3/6

1:13 pm-8:41 pm

1 stop5h 28m

Lambert-St Louis

Sat 3/14

5:15 am-12:11 pm

2 stops8h 56m

$355

RedmondSt. Louis

RDM - STL

RDMSTL

Bend/Redmond

Wed 2/18

9:02 am-1:51 pm

1 stop26h 49m

Lambert-St Louis

Sun 2/22

7:00 am-9:32 pm

1 stop16h 32m

$365

RedmondSt. Louis

RDM - STL

RDMSTL

Bend/Redmond

Sun 4/12

5:15 am-1:17 pm

1 stop6h 02m

Lambert-St Louis

Fri 4/17

6:45 pm-11:44 pm

1 stop6h 59m

$385

RedmondSt. Louis

RDM - STL

RDMSTL

Bend/Redmond

Thu 2/12

9:02 am-11:59 pm

1 stop12h 57m

Lambert-St Louis

Mon 2/16

7:00 am-9:32 pm

1 stop16h 32m

$388

RedmondSt. Louis

RDM - STL

RDMSTL

Bend/Redmond

Sat 6/6

6:00 am-5:06 pm

2 stops9h 06m

Lambert-St Louis

Sat 6/13

7:30 pm-12:23 am

1 stop6h 53m

$417

RedmondSt. Louis

RDM - STL

RDMSTL

Bend/Redmond

Tue 3/10

1:13 pm-11:34 pm

1 stop8h 21m

$119

RedmondSt. Louis

RDM - STL

RDMSTL

Bend/Redmond

Mon 6/22

7:25 pm-5:13 pm

1 stop19h 48m

$243

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

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 January.
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 December is currently the most expensive (average of $610). 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.

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 January 15, 2026.
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
11,719 reviews

Entertainment

7.0

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,719 reviews
Alaska Airlines
8.0
Very good
11,719 reviews

Entertainment

7.0

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,049 reviews
Alaska Airlines
8.0
Very good
11,719 reviews

Entertainment

7.0

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,164 reviews
Alaska Airlines
8.0
Very good
11,719 reviews

Entertainment

7.0

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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?

    United Airlines, Alaska Airlines, and Delta can get you from Redmond to St. Louis in just under 5h 28m. Your travel time can differ by up to 21h 21m. 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?

    Delta, at $255, was found to be the cheapest airline from Redmond to St. Louis.Alternate airlines to your destination round-trip include United Airlines and Alaska Airlines. These flights start at 46% 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 December is currently the most expensive (average of $610). 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
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
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 January 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$255Average$412FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$320Average$456FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$334Average$535FlexibilityNo cancel feeOn-time75%

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