$175+ Cheap flights from Eugene to St. Louis (EUG - 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
EUG — STL
Jul 31 — Aug 71
Round-trip
1 adult, Economy
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Find cheap flights from Eugene 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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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 Eugene to St. Louis
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Cheapest flights from Eugene to St. LouisExplore the most affordable flight options available from Eugene to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2026.
Explore the most affordable flight options available from Eugene to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2026.
This Delta deal was found by Cheapflights users on 6/30. 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.
Tue 10/204:44 pm
EUG
- STL
1 stop5h 50m
Delta
Tue 10/277:00 pm
STL
- EUG
1 stop6h 49m
Delta
Deal found 6/30![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 6/30. 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.
Tue 8/44:43 pm
EUG
- STL
1 stop5h 58m
Delta
Mon 8/107:45 pm
STL
- EUG
1 stop6h 01m
Delta
Deal found 6/30![Delta logo]()
$355
This Delta deal was found by Cheapflights users on 6/29. 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.
Sat 9/56:10 am
EUG
- STL
2 stops12h 50m
Delta
Tue 9/85:00 pm
STL
- EUG
2 stops8h 59m
Delta
Deal found 6/29![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 7/1. 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 8/64:43 pm
EUG
- STL
1 stop5h 58m
Delta
Mon 8/107:45 pm
STL
- EUG
1 stop6h 01m
Delta
Deal found 7/1![Delta logo]()
$361
This Southwest deal was found by Cheapflights users on 7/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/171:15 pm
EUG
- STL
2 stops9h 30m
Southwest
Mon 9/213:45 pm
STL
- EUG
2 stops8h 55m
Southwest
Deal found 7/1![Southwest logo]()
$389
This Alaska Airlines deal was found by Cheapflights users on 6/30. 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.
Sat 10/33:01 pm
EUG
- STL
1 stop6h 58m
Alaska Airlines
Tue 10/67:00 am
STL
- EUG
1 stop8h 12m
Alaska Airlines
Deal found 6/30![Alaska Airlines logo]()
$394
This Southwest deal was found by Cheapflights users on 6/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/812:25 pm
EUG
- STL
2 stops8h 20m
Southwest
Mon 9/143:45 pm
STL
- EUG
2 stops8h 55m
Southwest
Deal found 6/28![Southwest logo]()
$399
This Southwest deal was found by Cheapflights users on 7/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/611:20 am
EUG
- STL
2 stops11h 15m
Southwest
Mon 8/102:15 pm
STL
- EUG
2 stops10h 25m
Southwest
Deal found 7/1![Southwest logo]()
$407
This Southwest deal was found by Cheapflights users on 6/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/285:25 am
EUG
- STL
2 stops10h 50m
Southwest
Tue 8/42:45 pm
STL
- EUG
2 stops9h 45m
Southwest
Deal found 6/30![Southwest logo]()
$409
Best flights from Eugene to St. LouisDiscover carefully curated flight deals from Eugene to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 1, 2026.
Discover carefully curated flight deals from Eugene to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 1, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/29. 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 10/33:01 pm
EUG
- STL
1 stop6h 58m
Alaska Airlines
Tue 10/67:00 am
STL
- EUG
1 stop8h 12m
Alaska Airlines
Deal found 6/29![Alaska Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 6/29. 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.
Tue 10/204:44 pm
EUG
- STL
1 stop5h 50m
Delta
Tue 10/277:00 pm
STL
- EUG
1 stop6h 49m
Delta
Deal found 6/29![Delta logo]()
$349
This Southwest deal was found by Cheapflights users on 6/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/811:15 am
EUG
- STL
1 stop6h 00m
Southwest
Mon 9/146:25 am
STL
- EUG
1 stop6h 15m
Southwest
Deal found 6/28![Southwest logo]()
$355
This Delta deal was found by Cheapflights users on 7/1. 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 8/64:43 pm
EUG
- STL
1 stop5h 58m
Delta
Mon 8/107:45 pm
STL
- EUG
1 stop6h 01m
Delta
Deal found 7/1![Delta logo]()
$361
This Southwest deal was found by Cheapflights users on 6/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/285:25 am
EUG
- STL
2 stops10h 50m
Southwest
Tue 8/42:45 pm
STL
- EUG
2 stops9h 45m
Southwest
Deal found 6/30![Southwest logo]()
$409
Last-minute flights from Eugene to St. LouisDiscover last-minute flight deals from Eugene to St. Louis. Data last updated July 1, 2026 and is based on user searches.
Discover last-minute flight deals from Eugene to St. Louis. Data last updated July 1, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 6/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/141:40 pm
EUG
- STL
1 stop8h 10m
Southwest
Sat 7/185:50 pm
STL
- EUG
1 stop6h 05m
Southwest
Deal found 6/29![Southwest logo]()
$557
This Southwest deal was found by Cheapflights users on 6/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2510:25 am
EUG
- STL
2 stops9h 10m
Southwest
Fri 7/315:35 am
STL
- EUG
1 stop6h 00m
Southwest
Deal found 6/29![Southwest logo]()
$488
This Delta deal was found by Cheapflights users on 6/30. 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.
Tue 7/284:43 pm
EUG
- STL
1 stop5h 58m
Delta
Tue 8/47:45 pm
STL
- EUG
1 stop6h 01m
Delta
Deal found 6/30![Delta logo]()
$349
This Southwest deal was found by Cheapflights users on 6/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/285:25 am
EUG
- STL
2 stops10h 50m
Southwest
Tue 8/42:45 pm
STL
- EUG
2 stops9h 45m
Southwest
Deal found 6/30![Southwest logo]()
$409
This Delta deal was found by Cheapflights users on 6/30. 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.
Fri 7/314:43 pm
EUG
- STL
1 stop5h 58m
Delta
Mon 8/107:45 pm
STL
- EUG
1 stop6h 01m
Delta
Deal found 6/30![Delta logo]()
$424
One-way flights from Eugene to St. LouisSearch for one-way flight options from Eugene to St. Louis. Find affordable one-way fares based on user searches. Data last updated July 1, 2026.
Search for one-way flight options from Eugene to St. Louis. Find affordable one-way fares based on user searches. Data last updated July 1, 2026.
This Delta deal was found by Cheapflights users on 6/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/134:40 pm
EUG
- STL
1 stop5h 56m
Delta
Deal found 6/26![Delta logo]()
$175
This Delta deal was found by Cheapflights users on 6/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:40 pm
EUG
- STL
1 stop5h 56m
Delta
Deal found 6/26![Delta logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 6/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/119:16 pm
EUG
- STL
2 stops18h 30m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$235
This United Airlines deal was found by Cheapflights users on 6/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/251:58 pm
EUG
- STL
1 stop6h 08m
United Airlines
Deal found 6/29![United Airlines logo]()
$239
This Delta deal was found by Cheapflights users on 6/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/114:40 pm
EUG
- STL
1 stop5h 56m
Delta
Deal found 6/26![Delta logo]()
$244
This Delta deal was found by Cheapflights users on 6/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1212:40 pm
EUG
- STL
2 stops8h 38m
Delta
Deal found 6/26![Delta logo]()
$249
This Trip.com deal was found by Cheapflights users on 6/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:00 am
EUG
- STL
3 stops34h 15m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$265
This Alaska Airlines deal was found by Cheapflights users on 6/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:26 am
EUG
- STL
2 stops9h 16m
Alaska Airlines
Deal found 6/26![Alaska Airlines logo]()
$274
This Delta deal was found by Cheapflights users on 6/28. 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.
Sun 7/126:00 am
EUG
- STL
1 stop5h 33m
Delta
Deal found 6/28![Delta logo]()
$304
This Southwest deal was found by Cheapflights users on 6/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1210:10 am
EUG
- STL
2 stops8h 55m
Southwest
Deal found 6/28![Southwest logo]()
$309
Find flight deals from Eugene to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from Eugene (EUG) 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 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $349 (Southwest) |
One-way from | $175 (Delta) |
Popular in | June |
Cheapest in | January |
Average price | $448 |
Cheapflights Fare Finder
Customize your flight search to find flights from Eugene 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 1, 2026.
Use the filters below to find and compare flights from Eugene to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
EugeneSt. Louis
EUG - STL
EUGSTL
Eugene
Sat 10/3
3:01 pm-11:59 pm
1 stop6h 58m
Lambert-St Louis
Tue 10/6
7:00 am-1:12 pm
1 stop8h 12m
$349
EugeneSt. Louis
EUG - STL
EUGSTL
Eugene
Tue 10/20
4:44 pm-12:34 am
1 stop5h 50m
Lambert-St Louis
Tue 10/27
7:00 pm-11:49 pm
1 stop6h 49m
$349
EugeneSt. Louis
EUG - STL
EUGSTL
Eugene
Tue 9/8
11:15 am-7:15 pm
1 stop6h 00m
Lambert-St Louis
Mon 9/14
6:25 am-10:40 am
1 stop6h 15m
$355
Quickest round-trip
EugeneSt. Louis
EUG - STL
EUGSTL
Eugene
Thu 8/6
4:43 pm-12:41 am
1 stop5h 58m
Lambert-St Louis
Mon 8/10
7:45 pm-11:46 pm
1 stop6h 01m
$361
EugeneSt. Louis
EUG - STL
EUGSTL
Eugene
Tue 7/28
5:25 am-6:15 pm
2 stops10h 50m
Lambert-St Louis
Tue 8/4
2:45 pm-10:30 pm
2 stops9h 45m
$409
Cheapest one-way
EugeneSt. Louis
EUG - STL
EUGSTL
Eugene
Thu 10/15
4:40 pm-12:36 am
1 stop5h 56m
$199
EugeneSt. Louis
EUG - STL
EUGSTL
Eugene
Fri 10/16
3:01 pm-11:59 pm
1 stop6h 58m
$244
EugeneSt. Louis
EUG - STL
EUGSTL
Eugene
Thu 12/24
5:50 am-3:20 pm
1 stop7h 30m
$244
EugeneSt. Louis
EUG - STL
EUGSTL
Eugene
Sun 10/11
4:40 pm-12:36 am
1 stop5h 56m
$244
EugeneSt. Louis
EUG - STL
EUGSTL
Eugene
Mon 10/12
12:40 pm-11:18 pm
2 stops8h 38m
$249
Showing 1-10 of 14 resultsSorted by cheapest first
Compare providers for flights from Eugene 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 Eugene to St. Louis in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Eugene-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Eugene-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Eugene-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Eugene-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 Eugene-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 Eugene to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Eugene with our price prediction graph.
EUG-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 Eugene to St. Louis
What is the cheapest month to book a flight from Eugene to St. Louis?
Currently, January is the cheapest month in which you can book a flight from Eugene to St. Louis (average of $246). Flying from Eugene to St. Louis in June is currently the most expensive (average of $552). 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.
How much does it cost to fly round-trip from Eugene 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 1, 2026.
Read through reviews of airlines operating flights from Eugene to St. Louis, such as Alaska Airlines,Southwest, andDelta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.1
Overall
7.9
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Food
7.1
Overall
7.9
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Food
7.1
Overall
7.9
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Food
7.1
Overall
7.9
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Food
7.1
Overall
7.9
Entertainment
7.0
Comfort
7.8
Boarding
8.1
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 Eugene 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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Eugene and St. Louis flights
Browse other Eugene and St. Louis flight options. Last updated on July 1, 2026.
Other flights from Eugene
Browse through other flights departing from Eugene. Flights are based on user searches made on Cheapflights and were last updated on July 1, 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 July 1, 2026.
Top 4 airlines flying from Eugene to St. Louis
Discover the top 4 airlines that operate flights from Eugene 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 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$246 | Average$381 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$276 | Average$449 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$326 | Average$488 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$332 | Average$408 | FlexibilityNo cancel fee | On-time75% |