$220+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
RDM — STL
Sep 12 — Sep 191
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
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Best
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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 August 13, 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 August 13, 2026.
This Delta deal was found by Cheapflights users on 8/11. 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.
Wed 10/146:10 am -
2 stops9h 34m
Sat 10/1711:20 am -
2 stops9h 30m
Deal found 8/11![Delta logo]()
$380
This Delta deal was found by Cheapflights users on 8/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:34 pm -
2 stops13h 04m
Mon 10/192:22 pm -
2 stops10h 44m
Deal found 8/13![Delta logo]()
$400
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:35 pm -
1 stop8h 24m
Sat 10/244:42 pm -
1 stop9h 08m
Deal found 8/12![Alaska Airlines logo]()
$435
This United Airlines deal was found by Cheapflights users on 8/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1412:53 pm -
1 stop5h 43m
Sat 10/1710:27 am -
2 stops9h 50m
Deal found 8/12![United Airlines logo]()
$440
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:20 pm -
1 stop21h 12m
Thu 9/1710:20 am -
2 stops27h 20m
Deal found 8/11![Multiple Airlines logo]()
$468
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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.
Fri 10/161:35 pm -
1 stop24h 09m
Mon 10/194:42 pm -
1 stop26h 44m
Deal found 8/13![Alaska Airlines logo]()
$484
This Delta deal was found by Cheapflights users on 8/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:24 pm -
2 stops11h 16m
Thu 9/176:55 pm -
1 stop7h 03m
Deal found 8/10![Delta logo]()
$486
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 August 13, 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 August 13, 2026.
This Delta deal was found by Cheapflights users on 8/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:34 pm -
2 stops13h 04m
Mon 10/192:22 pm -
2 stops10h 44m
Deal found 8/13![Delta logo]()
$400
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:35 pm -
1 stop8h 24m
Sat 10/244:42 pm -
1 stop9h 08m
Deal found 8/12![Alaska Airlines logo]()
$435
This Delta deal was found by Cheapflights users on 8/11. 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.
Wed 10/146:10 am -
2 stops9h 34m
Sat 10/177:45 am -
1 stop6h 00m
Deal found 8/11![Delta logo]()
$437
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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.
Fri 10/161:35 pm -
1 stop24h 09m
Mon 10/194:42 pm -
1 stop26h 44m
Deal found 8/13![Alaska Airlines logo]()
$484
Last-minute flights from Redmond to St. LouisDiscover last-minute flight deals from Redmond to St. Louis. Data last updated August 13, 2026 and is based on user searches.
Discover last-minute flight deals from Redmond to St. Louis. Data last updated August 13, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 8/9. 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 8/216:04 am -
1 stop6h 02m
Tue 9/16:35 am -
1 stop7h 59m
Deal found 8/9![Alaska Airlines logo]()
$533
This Alaska Airlines deal was found by Cheapflights users on 8/9. 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 8/226:04 am -
1 stop6h 02m
Wed 8/266:35 am -
1 stop7h 59m
Deal found 8/9![Alaska Airlines logo]()
$511
This Delta deal was found by Cheapflights users on 8/9. 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 8/226:15 am -
2 stops12h 45m
Sat 8/298:00 am -
1 stop5h 51m
Deal found 8/9![Delta logo]()
$516
This Delta deal was found by Cheapflights users on 8/9. 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 8/226:15 am -
2 stops12h 45m
Sun 8/307:45 pm -
1 stop6h 04m
Deal found 8/9![Delta logo]()
$538
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 8/2412:15 pm -
2 stops26h 16m
Thu 8/276:45 pm -
1 stop18h 50m
Deal found 8/9![Multiple Airlines logo]()
$530
This Booking.com deal was found by Cheapflights users on 8/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:16 am -
1 stop6h 22m
Thu 9/177:36 pm -
1 stop19h 04m
Deal found 8/10![Alaska Airlines logo]()
$494
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:20 pm -
1 stop21h 12m
Thu 9/1710:20 am -
2 stops27h 20m
Deal found 8/11![Multiple Airlines logo]()
$468
This Priceline deal was found by Cheapflights users on 8/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/141:37 pm -
1 stop8h 22m
Thu 9/177:36 pm -
1 stop6h 22m
Deal found 8/11![Alaska Airlines logo]()
$527
This Delta deal was found by Cheapflights users on 8/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:24 pm -
2 stops11h 16m
Thu 9/176:55 pm -
1 stop7h 03m
Deal found 8/10![Delta logo]()
$486
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 August 13, 2026.
Search for one-way flight options from Redmond to St. Louis. Find affordable one-way fares based on user searches. Data last updated August 13, 2026.
This Delta deal was found by Cheapflights users on 8/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:10 am -
2 stops9h 34m
Deal found 8/10![Delta logo]()
$220
This United Airlines deal was found by Cheapflights users on 8/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:20 am -
2 stops11h 16m
Deal found 8/12![United Airlines logo]()
$223
This Delta deal was found by Cheapflights users on 8/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:24 pm -
2 stops11h 16m
Deal found 8/13![Delta logo]()
$230
This Booking.com deal was found by Cheapflights users on 8/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 am -
1 stop7h 44m
Deal found 8/12![Alaska Airlines logo]()
$250
This Priceline deal was found by Cheapflights users on 8/13. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/171:37 pm -
1 stop8h 22m
Deal found 8/13![Alaska Airlines logo]()
$264
This deal was found by Cheapflights users on 8/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2312:53 pm -
1 stop5h 43m
Deal found 8/11![United Airlines logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:00 am -
3 stops23h 40m
Deal found 8/10![Multiple Airlines logo]()
$445
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/171:37 pm -
3 stops17h 23m
Deal found 8/13![Multiple Airlines logo]()
$679
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 August 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $380 (Delta) |
One-way from | $220 (Delta) |
Popular in | December |
Cheapest in | November |
Average price | $632 |
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 August 13, 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 Bend/Redmond - STL Lambert-St Louis
RDMSTL
Bend/Redmond
Fri 10/16
7:34 pm-10:38 am
2 stops13h 04m
Lambert-St Louis
Mon 10/19
2:22 pm-11:06 pm
2 stops10h 44m
$400
RedmondSt. Louis
RDM Bend/Redmond - STL Lambert-St Louis
RDMSTL
Bend/Redmond
Wed 10/21
1:35 pm-11:59 pm
1 stop8h 24m
Lambert-St Louis
Sat 10/24
4:42 pm-11:50 pm
1 stop9h 08m
$435
Quickest round-trip
RedmondSt. Louis
RDM Bend/Redmond - STL Lambert-St Louis
RDMSTL
Bend/Redmond
Wed 10/14
6:10 am-5:44 pm
2 stops9h 34m
Lambert-St Louis
Sat 10/17
7:45 am-11:45 am
1 stop6h 00m
$437
RedmondSt. Louis
RDM Bend/Redmond - STL Lambert-St Louis
RDMSTL
Bend/Redmond
Fri 10/16
1:35 pm-3:44 pm
1 stop24h 09m
Lambert-St Louis
Mon 10/19
4:42 pm-5:26 pm
1 stop26h 44m
$484
Cheapest one-way
RedmondSt. Louis
RDM Bend/Redmond - STL Lambert-St Louis
RDMSTL
Bend/Redmond
Wed 10/14
6:10 am-5:44 pm
2 stops9h 34m
$220
RedmondSt. Louis
RDM Bend/Redmond - STL Lambert-St Louis
RDMSTL
Bend/Redmond
Wed 10/14
7:20 am-8:36 pm
2 stops11h 16m
$223
RedmondSt. Louis
RDM Bend/Redmond - STL Lambert-St Louis
RDMSTL
Bend/Redmond
Thu 9/17
7:24 pm-8:40 am
2 stops11h 16m
$230
RedmondSt. Louis
RDM Bend/Redmond - STL Lambert-St Louis
RDMSTL
Bend/Redmond
Thu 9/17
1:37 pm-11:59 pm
1 stop8h 22m
$264
Quickest one-way
RedmondSt. Louis
RDM Bend/Redmond - STL Lambert-St Louis
RDMSTL
Bend/Redmond
Fri 10/23
12:53 pm-8:36 pm
1 stop5h 43m
$314
RedmondSt. Louis
RDM Bend/Redmond - STL Lambert-St Louis
RDMSTL
Bend/Redmond
Thu 9/17
1:37 pm-9:00 am
3 stops17h 23m
$679
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 August 13, 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
Entertainment
7.0
Food
7.0
Boarding
8.1
Overall
7.9
Crew
8.5
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Entertainment
7.0
Food
7.0
Boarding
8.1
Overall
7.9
Crew
8.5
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Entertainment
7.0
Food
7.0
Boarding
8.1
Overall
7.9
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
Fairview Heights
O'Fallon
Fenton
Swansea
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Farmington
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Complete your trip
Complete your trip to St. Louis by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Redmond to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Redmond and St. Louis flights
Browse other Redmond and St. Louis flight options. Last updated on August 13, 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 August 13, 2026.
Popular flight searches
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 August 13, 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 August 13, 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% |