$213+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
RDM — STL
Jul 14 — Jul 211
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
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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 June 14, 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 June 14, 2026.
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.
Thu 7/301:48 pm
RDM
- STL
1 stop8h 10m
American Airlines
Mon 8/38:01 am
STL
- RDM
1 stop7h 06m
American Airlines
Deal found 6/11![American Airlines logo]()
$425
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:55 am
RDM
- STL
2 stops12h 54m
Delta
Mon 10/197:55 pm
STL
- RDM
1 stop5h 45m
Delta
Deal found 6/12![Delta logo]()
$430
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:00 am
RDM
- STL
1 stop13h 59m
Alaska Airlines
Mon 10/197:00 am
STL
- RDM
1 stop7h 38m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$437
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.
Fri 11/612:35 pm
RDM
- STL
2 stops8h 43m
Delta
Sun 11/87:55 pm
STL
- RDM
1 stop5h 45m
Delta
Deal found 6/11![Delta logo]()
$442
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/127:25 pm
RDM
- STL
2 stops13h 03m
Delta
Mon 6/157:55 pm
STL
- RDM
1 stop6h 04m
Delta
Deal found 6/10![Delta logo]()
$454
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 6/241:48 pm
RDM
- STL
1 stop8h 11m
Alaska Airlines
Tue 7/77:56 pm
STL
- RDM
1 stop15h 08m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$463
This Delta deal was found by Cheapflights users on 6/14. 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.
Wed 10/146:20 am
RDM
- STL
2 stops14h 58m
Delta
Mon 10/192:18 pm
STL
- RDM
2 stops11h 22m
Delta
Deal found 6/14![Delta logo]()
$465
This Delta deal was found by Cheapflights users on 6/9. 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.
Mon 8/107:36 pm
RDM
- STL
2 stops11h 01m
Delta
Tue 8/117:45 pm
STL
- RDM
1 stop6h 04m
Delta
Deal found 6/9![Delta logo]()
$468
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 June 14, 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 June 14, 2026.
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.
Fri 10/161:32 pm
RDM
- STL
1 stop8h 27m
Alaska Airlines
Mon 10/197:00 am
STL
- RDM
1 stop7h 38m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$425
This Delta deal was found by Cheapflights users on 6/14. 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.
Fri 10/165:55 am
RDM
- STL
2 stops12h 54m
Delta
Mon 10/197:55 pm
STL
- RDM
1 stop5h 45m
Delta
Deal found 6/14![Delta logo]()
$430
This Expedia deal was found by Cheapflights users on 6/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:17 am
RDM
- STL
1 stop11h 42m
Alaska Airlines
Mon 10/197:00 am
STL
- RDM
1 stop7h 38m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$437
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.
Fri 11/612:35 pm
RDM
- STL
2 stops8h 43m
Delta
Sun 11/87:55 pm
STL
- RDM
1 stop5h 45m
Delta
Deal found 6/11![Delta logo]()
$442
This Alaska Airlines deal was found by Cheapflights users on 6/13. 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.
Wed 11/46:00 am
RDM
- STL
1 stop6h 15m
Alaska Airlines
Sat 11/77:00 am
STL
- RDM
1 stop7h 38m
Alaska Airlines
Deal found 6/13![Alaska Airlines logo]()
$437
This Delta deal was found by Cheapflights users on 6/14. 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.
Wed 10/146:20 am
RDM
- STL
2 stops14h 58m
Delta
Mon 10/197:55 pm
STL
- RDM
1 stop5h 45m
Delta
Deal found 6/14![Delta logo]()
$460
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/241:48 pm
RDM
- STL
1 stop8h 11m
Alaska Airlines
Tue 7/77:56 pm
STL
- RDM
1 stop15h 08m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$463
Last-minute flights from Redmond to St. LouisDiscover last-minute flight deals from Redmond to St. Louis. Data last updated June 14, 2026 and is based on user searches.
Discover last-minute flight deals from Redmond to St. Louis. Data last updated June 14, 2026 and is based on user searches.
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 6/241:48 pm
RDM
- STL
1 stop8h 11m
Alaska Airlines
Tue 7/77:56 pm
STL
- RDM
1 stop15h 08m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$463
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/247:25 pm
RDM
- STL
2 stops13h 03m
Delta
Tue 7/77:55 pm
STL
- RDM
1 stop6h 03m
Delta
Deal found 6/10![Delta logo]()
$578
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 June 14, 2026.
Search for one-way flight options from Redmond to St. Louis. Find affordable one-way fares based on user searches. Data last updated June 14, 2026.
This United Airlines deal was found by Cheapflights users on 6/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:00 am
RDM
- STL
1 stop5h 40m
United Airlines
Deal found 6/13![United Airlines logo]()
$213
This Delta deal was found by Cheapflights users on 6/13. 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.
Wed 9/27:36 pm
RDM
- STL
2 stops11h 01m
Delta
Deal found 6/13![Delta logo]()
$218
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.
Mon 6/227:49 pm
RDM
- STL
1 stop18h 48m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$265
This Travelocity deal was found by Cheapflights users on 6/9. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/97:49 pm
RDM
- STL
1 stop18h 48m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$305
This United Airlines deal was found by Cheapflights users on 6/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/221:14 pm
RDM
- STL
1 stop5h 56m
United Airlines
Deal found 6/13![United Airlines logo]()
$465
This Kiwi.com deal was found by Cheapflights users on 6/13. 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.
Wed 9/26:04 am
RDM
- STL
3 stops35h 19m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$530
This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
Sun 8/96:49 pm
RDM
- STL
3 stops43h 48m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$659
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 June 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $425 (American Airlines) |
One-way from | $213 (United Airlines) |
Popular in | June |
Cheapest in | November |
Average price | $864 |
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 14, 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
Fri 10/16
1:32 pm-11:59 pm
1 stop8h 27m
Lambert-St Louis
Mon 10/19
7:00 am-12:38 pm
1 stop7h 38m
$425
RedmondSt. Louis
RDM - STL
RDMSTL
Bend/Redmond
Fri 10/16
5:55 am-8:49 pm
2 stops12h 54m
Lambert-St Louis
Mon 10/19
7:55 pm-11:40 pm
1 stop5h 45m
$430
RedmondSt. Louis
RDM - STL
RDMSTL
Bend/Redmond
Wed 10/14
10:17 am-11:59 pm
1 stop11h 42m
Lambert-St Louis
Mon 10/19
7:00 am-12:38 pm
1 stop7h 38m
$437
Quickest round-trip
RedmondSt. Louis
RDM - STL
RDMSTL
Bend/Redmond
Wed 11/4
6:00 am-2:15 pm
1 stop6h 15m
Lambert-St Louis
Sat 11/7
7:00 am-12:38 pm
1 stop7h 38m
$437
RedmondSt. Louis
RDM - STL
RDMSTL
Bend/Redmond
Fri 11/6
12:35 pm-11:18 pm
2 stops8h 43m
Lambert-St Louis
Sun 11/8
7:55 pm-11:40 pm
1 stop5h 45m
$442
RedmondSt. Louis
RDM - STL
RDMSTL
Bend/Redmond
Wed 10/14
6:20 am-11:18 pm
2 stops14h 58m
Lambert-St Louis
Mon 10/19
7:55 pm-11:40 pm
1 stop5h 45m
$460
RedmondSt. Louis
RDM - STL
RDMSTL
Bend/Redmond
Wed 6/24
1:48 pm-11:59 pm
1 stop8h 11m
Lambert-St Louis
Tue 7/7
7:56 pm-9:04 am
1 stop15h 08m
$463
Cheapest one-way
Quickest one-way
RedmondSt. Louis
RDM - STL
RDMSTL
Bend/Redmond
Wed 9/2
5:00 am-12:40 pm
1 stop5h 40m
$213
RedmondSt. Louis
RDM - STL
RDMSTL
Bend/Redmond
Wed 9/2
7:36 pm-8:37 am
2 stops11h 01m
$218
RedmondSt. Louis
RDM - STL
RDMSTL
Bend/Redmond
Mon 6/22
7:49 pm-4:37 pm
1 stop18h 48m
$265
Showing 1-10 of 13 resultsSorted 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 June 14, 2026.
See what other customers who have flown with Alaska Airlines,Delta, andUnited 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.
Entertainment
7.0
Overall
7.9
Comfort
7.8
Food
7.0
Crew
8.5
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Overall
7.9
Comfort
7.8
Food
7.0
Crew
8.5
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Overall
7.9
Comfort
7.8
Food
7.0
Crew
8.5
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Overall
7.9
Comfort
7.8
Food
7.0
Crew
8.5
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
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
Alton
Farmington
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Redmond and St. Louis flights
Browse other Redmond and St. Louis flight options. Last updated on June 14, 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 June 14, 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 June 14, 2026.
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 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$255 | Average$366 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$298 | Average$575 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$320 | Average$564 | FlexibilityNo cancel fee | On-time69% |