$270+ 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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
RDM — STL
Aug 29 — Sep 51
Round-trip
1 adult, Economy
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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
Cheapest
Best
Last-minute
One-way
Cheapest flights from Redmond to St. LouisExplore 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 July 30, 2026.
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 July 30, 2026.
This Delta deal was found by Cheapflights users on 7/30. 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 9/237:24 pm
RDM
- STL
2 stops11h 16m
Delta
Wed 9/302:25 pm
STL
- RDM
2 stops10h 43m
Delta
Deal found 7/30![Delta logo]()
$333
This Delta deal was found by Cheapflights users on 7/29. 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 10/166:10 am
RDM
- STL
2 stops9h 34m
Delta
Mon 10/197:45 am
STL
- RDM
2 stops13h 05m
Delta
Deal found 7/29![Delta logo]()
$353
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 10/241:32 pm
RDM
- STL
1 stop8h 27m
Alaska Airlines
Tue 10/277:02 am
STL
- RDM
1 stop7h 36m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$435
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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 9/236:17 pm
RDM
- STL
1 stop18h 04m
Alaska Airlines
Wed 9/306:29 am
STL
- RDM
1 stop8h 11m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$458
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Tue 12/11:47 pm
RDM
- STL
1 stop8h 02m
American Airlines
Fri 12/112:37 pm
STL
- RDM
1 stop6h 56m
American Airlines
Deal found 7/26![American Airlines logo]()
$481
Best flights from Redmond to St. LouisDiscover carefully curated flight deals from Redmond to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 30, 2026.
Discover carefully curated flight deals from Redmond to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 30, 2026.
This Delta deal was found by Cheapflights users on 7/30. 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 9/237:24 pm
RDM
- STL
2 stops11h 16m
Delta
Wed 9/302:25 pm
STL
- RDM
2 stops10h 43m
Delta
Deal found 7/30![Delta logo]()
$333
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 10/241:32 pm
RDM
- STL
1 stop8h 27m
Alaska Airlines
Tue 10/277:02 am
STL
- RDM
1 stop7h 36m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$435
This Delta deal was found by Cheapflights users on 7/29. 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 10/166:10 am
RDM
- STL
2 stops9h 34m
Delta
Mon 10/197:45 am
STL
- RDM
2 stops13h 05m
Delta
Deal found 7/29![Delta logo]()
$353
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 9/231:37 pm
RDM
- STL
1 stop22h 44m
Alaska Airlines
Wed 9/306:29 am
STL
- RDM
1 stop8h 11m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$435
Last-minute flights from Redmond to St. LouisDiscover last-minute flight deals from Redmond to St. Louis. Data last updated July 30, 2026 and is based on user searches.
Discover last-minute flight deals from Redmond to St. Louis. Data last updated July 30, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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 7/307:49 pm
RDM
- STL
1 stop18h 48m
Alaska Airlines
Fri 8/75:37 pm
STL
- RDM
1 stop7h 08m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$552
This Delta deal was found by Cheapflights users on 7/28. 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.
Thu 7/307:25 pm
RDM
- STL
2 stops13h 03m
Delta
Fri 8/77:45 pm
STL
- RDM
1 stop6h 04m
Delta
Deal found 7/28![Delta logo]()
$557
This Expedia deal was found by Cheapflights users on 7/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/37:49 pm
RDM
- STL
1 stop18h 48m
Alaska Airlines
Fri 8/77:56 pm
STL
- RDM
1 stop15h 08m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$572
This Delta deal was found by Cheapflights users on 7/27. 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.
Tue 8/117:36 pm
RDM
- STL
2 stops12h 47m
Delta
Sat 8/155:00 pm
STL
- RDM
1 stop7h 18m
Delta
Deal found 7/27![Delta logo]()
$516
This Booking.com deal was found by Cheapflights users on 7/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:49 pm
RDM
- STL
1 stop18h 03m
Alaska Airlines
Sat 8/157:56 pm
STL
- RDM
1 stop15h 08m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$538
This United Airlines deal was found by Cheapflights users on 7/27. 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 8/119:35 am
RDM
- STL
2 stops9h 11m
United Airlines
Sat 8/155:10 am
STL
- RDM
2 stops8h 56m
United Airlines
Deal found 7/27![United Airlines logo]()
$541
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 8/185:49 pm
RDM
- STL
1 stop18h 17m
Alaska Airlines
Mon 8/247:36 pm
STL
- RDM
1 stop6h 22m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$523
One-way flights from Redmond to St. LouisSearch for one-way flight options from Redmond to St. Louis. Find affordable one-way fares based on user searches. Data last updated July 30, 2026.
Search for one-way flight options from Redmond to St. Louis. Find affordable one-way fares based on user searches. Data last updated July 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1012:15 pm
RDM
- STL
1 stop27h 50m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$270
This Delta deal was found by Cheapflights users on 7/30. 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 8/107:36 pm
RDM
- STL
2 stops12h 47m
Delta
Deal found 7/30![Delta logo]()
$283
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Sun 8/97:39 pm
RDM
- STL
2 stops14h 32m
United Airlines
Deal found 7/30![United Airlines logo]()
$395
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Sun 8/95:30 am
RDM
- STL
1 stop6h 09m
American Airlines
Deal found 7/30![American Airlines logo]()
$565
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 July 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $333 (Delta) |
Popular in | December |
Cheapest in | November |
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 July 30, 2026.
Use the filters below to find and compare flights from Redmond to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
RedmondSt. Louis
RDM - STL
RDMSTL
Bend/Redmond
Wed 9/23
7:24 pm-8:40 am
2 stops11h 16m
Lambert-St Louis
Wed 9/30
2:25 pm-11:08 pm
2 stops10h 43m
$333
RedmondSt. Louis
RDM - STL
RDMSTL
Bend/Redmond
Fri 10/16
6:10 am-5:44 pm
2 stops9h 34m
Lambert-St Louis
Mon 10/19
7:45 am-6:50 pm
2 stops13h 05m
$353
Quickest round-trip
RedmondSt. Louis
RDM - STL
RDMSTL
Bend/Redmond
Sat 10/24
1:32 pm-11:59 pm
1 stop8h 27m
Lambert-St Louis
Tue 10/27
7:02 am-12:38 pm
1 stop7h 36m
$435
RedmondSt. Louis
RDM - STL
RDMSTL
Bend/Redmond
Wed 9/23
1:37 pm-2:21 pm
1 stop22h 44m
Lambert-St Louis
Wed 9/30
6:29 am-12:40 pm
1 stop8h 11m
$435
Cheapest one-way
RedmondSt. Louis
RDM - STL
RDMSTL
Bend/Redmond
Mon 8/10
12:15 pm-6:05 pm
1 stop27h 50m
$270
RedmondSt. Louis
RDM - STL
RDMSTL
Bend/Redmond
Mon 8/10
7:36 pm-10:23 am
2 stops12h 47m
$283
RedmondSt. Louis
RDM - STL
RDMSTL
Bend/Redmond
Sun 8/9
7:39 pm-12:11 pm
2 stops14h 32m
$395
Quickest one-way
RedmondSt. Louis
RDM - STL
RDMSTL
Bend/Redmond
Sun 8/9
5:30 am-1:39 pm
1 stop6h 09m
$565
Sorted by cheapest first
- Most accurate provider: When it comes to deals on Redmond-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Redmond-St. Louis flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
RDM-STL
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
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 July 30, 2026.
See what other customers who have flown with Alaska Airlines 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.
Comfort
7.8
Boarding
8.1
Overall
7.9
Food
7.0
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Boarding
8.1
Overall
7.9
Food
7.0
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Boarding
8.1
Overall
7.9
Food
7.0
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
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.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Farmington
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Redmond and St. Louis flights
Browse other Redmond and St. Louis flight options. Last updated on July 30, 2026.
Other flights from Redmond
Browse through other flights departing from Redmond. Flights are based on user searches made on Cheapflights and were last updated on July 30, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Other flights to St. Louis
Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 30, 2026.
Top 2 airlines flying from Redmond to St. Louis
Discover the top 2 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 July 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$298 | Average$586 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$320 | Average$564 | FlexibilityNo cancel fee | On-time69% |