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$148+ 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 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
RDM — STL
Jan 4 — Jan 111
Sun 1/4
Sun 1/11
1 adult, Economy
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Cheap 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 December 5, 2025.

This Alaska Airlines deal was found by Cheapflights users on 12/2. 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 12/244:00 pmRDM - STL
1 stop22h 26mAlaska Airlines
Thu 12/255:26 pmSTL - RDM
1 stop9h 02mAlaska Airlines
Deal found 12/2$452
This Delta deal was found by Cheapflights users on 12/3. 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 12/35:55 amRDM - STL
1 stop5h 35mDelta
Tue 12/96:30 amSTL - RDM
1 stop7h 11mDelta
Deal found 12/3$487
This Delta deal was found by Cheapflights users on 12/3. 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 12/1312:25 pmRDM - STL
2 stops9h 02mDelta
Thu 1/16:05 amSTL - RDM
2 stops10h 46mDelta
Deal found 12/3$565
This Alaska Airlines deal was found by Cheapflights users on 12/4. 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 12/135:57 pmRDM - STL
1 stop18h 30mAlaska Airlines
Thu 1/17:00 amSTL - RDM
1 stop19h 28mAlaska Airlines
Deal found 12/4$580
This Alaska Airlines deal was found by Cheapflights users on 12/3. 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 12/53:51 pmRDM - STL
1 stop6h 08mAlaska Airlines
Mon 12/83:23 pmSTL - RDM
1 stop7h 45mAlaska Airlines
Deal found 12/3$594
This Delta deal was found by Cheapflights users on 12/3. 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 12/57:00 amRDM - STL
2 stops10h 10mDelta
Mon 12/88:05 pmSTL - RDM
1 stop5h 54mDelta
Deal found 12/3$600
This United Airlines deal was found by Cheapflights users on 12/2. 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.
Wed 12/248:40 amRDM - STL
2 stops11h 42mUnited Airlines
Thu 12/259:00 amSTL - RDM
1 stop5h 58mUnited Airlines
Deal found 12/2$606
This United Airlines deal was found by Cheapflights users on 12/3. 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.
Sat 12/136:00 amRDM - STL
2 stops12h 57mUnited Airlines
Thu 1/12:45 pmSTL - RDM
1 stop8h 37mUnited Airlines
Deal found 12/3$640

Find 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 December 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$236
(Delta)

One-way from

$148
(Delta)

Popular in

February

Cheapest in

January

Average price

$608
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
One-way flight 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 December 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 December 5, 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

$236

RedmondSt. Louis

RDM - STL

RDMSTL

Bend/Redmond

Sat 1/17

8:45 am-1:54 pm

1 stop27h 09m

Lambert-St Louis

Wed 1/21

2:50 pm-9:15 pm

1 stop8h 25m

$314

RedmondSt. Louis

RDM - STL

RDMSTL

Bend/Redmond

Thu 1/22

6:18 pm-10:46 pm

1 stop26h 28m

Lambert-St Louis

Mon 1/26

2:50 pm-12:54 pm

1 stop24h 04m

$324

RedmondSt. Louis

RDM - STL

RDMSTL

Bend/Redmond

Thu 1/22

3:03 pm-11:59 pm

1 stop6h 56m

Lambert-St Louis

Mon 1/26

2:38 pm-7:24 pm

1 stop6h 46m

$342

RedmondSt. Louis

RDM - STL

RDMSTL

Bend/Redmond

Sat 1/17

5:00 am-4:03 pm

2 stops9h 03m

Lambert-St Louis

Wed 1/21

9:57 am-6:12 pm

2 stops10h 15m

$423

RedmondSt. Louis

RDM - STL

RDMSTL

Bend/Redmond

Wed 12/24

4:00 pm-4:26 pm

1 stop22h 26m

Lambert-St Louis

Thu 12/25

5:26 pm-12:28 am

1 stop9h 02m

$452

RedmondSt. Louis

RDM - STL

RDMSTL

Bend/Redmond

Tue 12/23

6:33 pm-11:59 pm

1 stop27h 26m

Lambert-St Louis

Thu 12/25

7:00 am-5:04 pm

1 stop12h 04m

$580

RedmondSt. Louis

RDM - STL

RDMSTL

Bend/Redmond

Fri 2/20

11:25 am-11:23 pm

2 stops9h 58m

$148

RedmondSt. Louis

RDM - STL

RDMSTL

Bend/Redmond

Fri 2/20

2:55 pm-12:05 am

1 stop7h 10m

$171

RedmondSt. Louis

RDM - STL

RDMSTL

Bend/Redmond

Sun 12/21

1:18 pm-10:22 pm

1 stop7h 04m

$330

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

Showing 1-10 of 11 results
1
2

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 December.
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 December 5, 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 December 5, 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
11,402 reviews

Boarding

8.1

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2025

PDX - BNA

My family especially liked the leg room and comfortable seats.
Alaska Airlines
8.0
Very good
11,402 reviews
Alaska Airlines
8.0
Very good
11,402 reviews

Boarding

8.1

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2025

PDX - BNA

My family especially liked the leg room and comfortable seats.
Delta
7.9
Good
8,011 reviews
Alaska Airlines
8.0
Very good
11,402 reviews

Boarding

8.1

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2025

PDX - BNA

My family especially liked the leg room and comfortable seats.
United Airlines
7.4
Good
9,065 reviews
Alaska Airlines
8.0
Very good
11,402 reviews

Boarding

8.1

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2025

PDX - BNA

My family especially liked the leg room and comfortable seats.

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 and Alaska Airlines can get you from Redmond to St. Louis in just under 9h 50m. Your travel time can differ by up to 17h 19m. 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 $279, 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 41% 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
Swansea
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 December 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$316Average$561FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$334Average$535FlexibilityNo cancel feeOn-time75%
DeltaCheapest$366Average$446FlexibilityNo cancel feeOn-timeN/A

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