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$139+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
RDM — STL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$327
(Alaska Airlines)

One-way from

$139
(Hawaiian Airlines)

Popular in

December

Cheapest in

October

Average price

$592
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. 3% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 12, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 10/295:57 pmRDM - STL
1 stop19h 08mAlaska Airlines
Sun 11/27:00 amSTL - RDM
1 stop18h 59mAlaska Airlines
Deal found 6/10$327
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 7/175:00 amRDM - STL
1 stop5h 46mUnited Airlines
Tue 7/221:42 pmSTL - RDM
2 stops11h 03mUnited Airlines
Deal found 6/11$437
This Hawaiian Airlines deal was found by Cheapflights users on 6/12. 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.
Wed 7/24:01 pmRDM - STL
1 stop5h 58mHawaiian Airlines
Mon 7/77:32 pmSTL - RDM
1 stop6h 27mHawaiian Airlines
Deal found 6/12$461
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 6/1612:27 pmRDM - STL
1 stop8h 52mAmerican Airlines
Tue 6/177:20 amSTL - RDM
1 stop6h 22mAmerican Airlines
Deal found 6/11$513
This Delta deal was found by Cheapflights users on 6/11. 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 6/167:36 pmRDM - STL
2 stops11h 03mDelta
Tue 6/177:15 pmSTL - RDM
1 stop6h 43mDelta
Deal found 6/11$520

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 June 12, 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

Wed 10/29

5:57 pm-3:05 pm

1 stop19h 08m

Lambert-St Louis

Sun 11/2

7:00 am-11:59 pm

1 stop18h 59m

$327

RedmondSt. Louis

RDM - STL

RDMSTL

Bend/Redmond

Thu 7/17

5:00 am-12:46 pm

1 stop5h 46m

Lambert-St Louis

Tue 7/22

1:42 pm-10:45 pm

2 stops11h 03m

$437

RedmondSt. Louis

RDM - STL

RDMSTL

Bend/Redmond

Wed 7/2

4:01 pm-11:59 pm

1 stop5h 58m

Lambert-St Louis

Mon 7/7

7:32 pm-11:59 pm

1 stop6h 27m

$461

RedmondSt. Louis

RDM - STL

RDMSTL

Bend/Redmond

Wed 7/2

7:36 pm-8:39 am

2 stops11h 03m

Lambert-St Louis

Mon 7/7

7:45 am-6:50 pm

2 stops13h 05m

$679

RedmondSt. Louis

RDM - STL

RDMSTL

Bend/Redmond

Wed 10/1

5:54 am-2:39 pm

1 stop6h 45m

$139

RedmondSt. Louis

RDM - STL

RDMSTL

Bend/Redmond

Wed 10/1

6:20 am-5:57 pm

2 stops9h 37m

$143

RedmondSt. Louis

RDM - STL

RDMSTL

Bend/Redmond

Wed 10/1

6:00 am-9:59 pm

3 stops13h 59m

$195

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 June 12, 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.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 June 12, 2025.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    Alaska Airlines, at $327, was found to be the cheapest airline from Redmond to St. Louis.Alternate airlines to your destination round-trip include United Airlines and Hawaiian Airlines. These flights start at 35% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Redmond to St. Louis one-way?

    For one-way options, check prices for Hawaiian Airlines. According to our data, you can fly for as low as $139. Users have also found prices from $143 and $195 on Delta and United Airlines, respectively.

  • 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 Redmond?

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

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$228Average$516FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$315Average$527FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$316Average$578FlexibilityNo cancel feeOn-time69%

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