$184+ Cheap flights from St. Louis to Eugene (STL - EUG)
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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
STL — EUG
Mar 24 — Mar 311
1 adult, Economy
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Find cheap flights from St. Louis to Eugene 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 St. Louis to Eugene
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Best
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Cheapest flights from St. Louis to EugeneExplore the most affordable flight options available from St. Louis to Eugene. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2026.
Explore the most affordable flight options available from St. Louis to Eugene. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2026.
This Delta deal was found by Cheapflights users on 2/21. 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 3/216:29 am
STL
- EUG
2 stops12h 41m
Delta
Sat 3/2811:40 am
EUG
- STL
2 stops9h 45m
Delta
Deal found 2/21![Delta logo]()
$304
This Orbitz deal was found by Cheapflights users on 2/18. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:41 am
STL
- EUG
1 stop12h 27m
Alaska Airlines
Sat 10/171:30 pm
EUG
- STL
1 stop8h 29m
Alaska Airlines
Deal found 2/18![Alaska Airlines logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 4/54:20 pm
STL
- EUG
1 stop28h 20m
Hawaiian Airlines
Sun 4/121:07 pm
EUG
- STL
1 stop8h 52m
Hawaiian Airlines
Deal found 2/19![Hawaiian Airlines logo]()
$364
This Delta deal was found by Cheapflights users on 2/18. 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 3/266:12 pm
STL
- EUG
1 stop6h 34m
Delta
Wed 4/16:08 am
EUG
- STL
2 stops8h 59m
Delta
Deal found 2/18![Delta logo]()
$373
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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 4/97:00 am
STL
- EUG
1 stop15h 31m
Alaska Airlines
Sun 4/128:01 am
EUG
- STL
1 stop13h 58m
Alaska Airlines
Deal found 2/20![Alaska Airlines logo]()
$383
This Southwest deal was found by Cheapflights users on 2/21. 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 3/214:55 pm
STL
- EUG
1 stop7h 20m
Southwest
Sat 3/286:10 am
EUG
- STL
2 stops10h 40m
Southwest
Deal found 2/21![Southwest logo]()
$398
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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 5/277:41 pm
STL
- EUG
1 stop16h 00m
Alaska Airlines
Mon 6/17:59 pm
EUG
- STL
1 stop17h 17m
Alaska Airlines
Deal found 2/19![Alaska Airlines logo]()
$407
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Sat 10/101:30 pm
STL
- EUG
2 stops11h 50m
United Airlines
Sat 10/1712:25 pm
EUG
- STL
1 stop6h 39m
United Airlines
Deal found 2/18![United Airlines logo]()
$412
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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 4/234:46 pm
STL
- EUG
1 stop9h 13m
Alaska Airlines
Mon 4/278:38 pm
EUG
- STL
1 stop25h 21m
Alaska Airlines
Deal found 2/19![Alaska Airlines logo]()
$425
Best flights from St. Louis to EugeneDiscover carefully curated flight deals from St. Louis to Eugene that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 22, 2026.
Discover carefully curated flight deals from St. Louis to Eugene that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 22, 2026.
This Delta deal was found by Cheapflights users on 2/21. 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 3/216:29 am
STL
- EUG
2 stops12h 41m
Delta
Sat 3/2811:40 am
EUG
- STL
2 stops9h 45m
Delta
Deal found 2/21![Delta logo]()
$304
This Alaska Airlines deal was found by Cheapflights users on 2/18. 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 5/277:41 pm
STL
- EUG
1 stop16h 00m
Alaska Airlines
Mon 6/15:25 am
EUG
- STL
1 stop9h 12m
Alaska Airlines
Deal found 2/18![Alaska Airlines logo]()
$407
This Delta deal was found by Cheapflights users on 2/18. 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 3/266:12 pm
STL
- EUG
1 stop6h 34m
Delta
Wed 4/16:08 am
EUG
- STL
2 stops8h 59m
Delta
Deal found 2/18![Delta logo]()
$373
This Alaska Airlines deal was found by Cheapflights users on 2/21. 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 3/207:00 am
STL
- EUG
1 stop15h 31m
Alaska Airlines
Mon 3/237:17 pm
EUG
- STL
1 stop26h 42m
Alaska Airlines
Deal found 2/21![Alaska Airlines logo]()
$443
This Alaska Airlines deal was found by Cheapflights users on 2/18. 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 3/267:00 am
STL
- EUG
1 stop15h 31m
Alaska Airlines
Wed 4/11:07 pm
EUG
- STL
1 stop8h 52m
Alaska Airlines
Deal found 2/18![Alaska Airlines logo]()
$458
Last-minute flights from St. Louis to EugeneDiscover last-minute flight deals from St. Louis to Eugene. Data last updated February 22, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Eugene. Data last updated February 22, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 2/20. 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.
Fri 3/206:40 pm
STL
- EUG
1 stop5h 55m
Southwest
Fri 3/272:40 pm
EUG
- STL
1 stop7h 05m
Southwest
Deal found 2/20![Southwest logo]()
$407
This Alaska Airlines deal was found by Cheapflights users on 2/21. 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 3/207:00 am
STL
- EUG
1 stop15h 31m
Alaska Airlines
Mon 3/237:17 pm
EUG
- STL
1 stop26h 42m
Alaska Airlines
Deal found 2/21![Alaska Airlines logo]()
$443
This Delta deal was found by Cheapflights users on 2/21. 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 3/216:29 am
STL
- EUG
2 stops12h 41m
Delta
Sat 3/2811:40 am
EUG
- STL
2 stops9h 45m
Delta
Deal found 2/21![Delta logo]()
$304
This Southwest deal was found by Cheapflights users on 2/21. 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 3/214:55 pm
STL
- EUG
1 stop7h 20m
Southwest
Sat 3/286:10 am
EUG
- STL
2 stops10h 40m
Southwest
Deal found 2/21![Southwest logo]()
$398
This Delta deal was found by Cheapflights users on 2/18. 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 3/266:12 pm
STL
- EUG
1 stop6h 34m
Delta
Wed 4/16:08 am
EUG
- STL
2 stops8h 59m
Delta
Deal found 2/18![Delta logo]()
$373
This Alaska Airlines deal was found by Cheapflights users on 2/18. 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 3/267:00 am
STL
- EUG
1 stop15h 31m
Alaska Airlines
Wed 4/11:07 pm
EUG
- STL
1 stop8h 52m
Alaska Airlines
Deal found 2/18![Alaska Airlines logo]()
$458
One-way flights from St. Louis to EugeneSearch for one-way flight options from St. Louis to Eugene. Find affordable one-way fares based on user searches. Data last updated February 22, 2026.
Search for one-way flight options from St. Louis to Eugene. Find affordable one-way fares based on user searches. Data last updated February 22, 2026.
This Southwest deal was found by Cheapflights users on 2/19. 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 5/165:50 pm
STL
- EUG
1 stop5h 50m
Southwest
Deal found 2/19![Southwest logo]()
$184
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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 6/297:30 pm
STL
- EUG
1 stop6h 50m
Alaska Airlines
Deal found 2/19![Alaska Airlines logo]()
$204
This Delta deal was found by Cheapflights users on 2/20. 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 6/292:18 pm
STL
- EUG
2 stops11h 36m
Delta
Deal found 2/20![Delta logo]()
$218
This Alaska Airlines deal was found by Cheapflights users on 2/18. 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 5/165:33 pm
STL
- EUG
2 stops18h 08m
Alaska Airlines
Deal found 2/18![Alaska Airlines logo]()
$224
This Southwest deal was found by Cheapflights users on 2/20. 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 7/183:50 pm
STL
- EUG
2 stops9h 00m
Southwest
Deal found 2/20![Southwest logo]()
$229
This Alaska Airlines deal was found by Cheapflights users on 2/18. 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 7/246:20 pm
STL
- EUG
2 stops24h 30m
Alaska Airlines
Deal found 2/18![Alaska Airlines logo]()
$243
Find flight deals from St. Louis to Eugene
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Eugene (EUG). 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 February 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $282 (Delta) |
One-way from | $184 (Southwest) |
Popular in | March |
Cheapest in | December |
Average price | $515 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Eugene 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 February 22, 2026.
Use the filters below to find and compare flights from St. Louis to Eugene that are best for you.
Fly from
St. Louis
Fly to
Eugene
Route
Depart
Return
Price
St. LouisEugene
STL - EUG
STLEUG
Lambert-St Louis
Sat 3/21
6:29 am-5:10 pm
2 stops12h 41m
Eugene
Sat 3/28
11:40 am-11:25 pm
2 stops9h 45m
$304
St. LouisEugene
STL - EUG
STLEUG
Lambert-St Louis
Thu 3/26
6:12 pm-10:46 pm
1 stop6h 34m
Eugene
Wed 4/1
6:08 am-5:07 pm
2 stops8h 59m
$373
St. LouisEugene
STL - EUG
STLEUG
Lambert-St Louis
Wed 5/27
7:41 pm-9:41 am
1 stop16h 00m
Eugene
Mon 6/1
5:25 am-4:37 pm
1 stop9h 12m
$407
St. LouisEugene
STL - EUG
STLEUG
Lambert-St Louis
Fri 3/20
7:00 am-8:31 pm
1 stop15h 31m
Eugene
Mon 3/23
7:17 pm-11:59 pm
1 stop26h 42m
$443
St. LouisEugene
STL - EUG
STLEUG
Lambert-St Louis
Thu 3/26
7:00 am-8:31 pm
1 stop15h 31m
Eugene
Wed 4/1
1:07 pm-11:59 pm
1 stop8h 52m
$458
St. LouisEugene
STL - EUG
STLEUG
Lambert-St Louis
Sat 5/16
5:50 pm-9:40 pm
1 stop5h 50m
$184
St. LouisEugene
STL - EUG
STLEUG
Lambert-St Louis
Fri 7/31
6:20 pm-10:48 pm
1 stop6h 28m
$204
St. LouisEugene
STL - EUG
STLEUG
Lambert-St Louis
Sat 8/1
7:30 pm-12:20 am
1 stop6h 50m
$204
St. LouisEugene
STL - EUG
STLEUG
Lambert-St Louis
Mon 6/29
7:30 pm-12:20 am
1 stop6h 50m
$204
St. LouisEugene
STL - EUG
STLEUG
Lambert-St Louis
Fri 7/24
6:20 pm-10:48 pm
1 stop6h 28m
$204
Showing 1-10 of 12 results
Compare providers for flights from St. Louis to Eugene
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 St. Louis to Eugene in February.
| 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 St. Louis-Eugene flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Eugene flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Eugene flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Eugene 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 St. Louis-Eugene 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 St. Louis to Eugene
Have a flexible travel schedule? Discover the best time to fly to Eugene from St. Louis with our price prediction graph.
STL-EUG
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 St. Louis to Eugene
What is the cheapest month to book a flight from St. Louis to Eugene?
Currently, October is the cheapest month in which you can book a flight from St. Louis to Eugene (average of $208). Flying from St. Louis to Eugene in June is currently the most expensive (average of $408). 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 St. Louis to Eugene?
Reviews of airlines servicing Eugene
Get insights into the airlines that provide service to Eugene. 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 Eugene. Reviews last updated February 22, 2026.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and United Airlines from St. Louis to Eugene by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
8.0
Entertainment
7.0
Food
7.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
8.0
Entertainment
7.0
Food
7.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
8.0
Entertainment
7.0
Food
7.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
8.0
Entertainment
7.0
Food
7.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Eugene. 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 Eugene?
Book flights to Eugene if you plan to visit one of these locationsNewport
Corvallis
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Complete your trip
Complete your trip to Eugene by adding a car rental and/or hotel reservation to your travel itinerary.
Other flights to Eugene
Explore flights to Eugene departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 22, 2026.
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St. Louis and Eugene flights
Browse other St. Louis and Eugene flight options. Last updated on February 22, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on February 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from St. Louis to Eugene
Discover the top 3 airlines that operate flights from St. Louis to Eugene. 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 February 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$312 | Average$522 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$332 | Average$535 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$353 | Average$443 | FlexibilityNo cancel fee | On-time63% |