$130+ Cheap flights from St. Louis to Eugene (STL - EUG)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — EUG
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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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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Best
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One-way
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 October 25, 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 October 25, 2026.
This Delta deal was found by Cheapflights users on 10/21. 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.
Thu 12/37:08 am -
1 stop6h 47m
Mon 12/74:41 pm -
1 stop6h 05m
Deal found 10/21![Delta logo]()
$259
This Delta deal was found by Cheapflights users on 10/23. 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 11/75:00 pm -
1 stop7h 17m
Wed 11/116:08 am -
2 stops13h 10m
Deal found 10/23![Delta logo]()
$344
This Southwest deal was found by Cheapflights users on 10/23. 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 11/76:35 am -
1 stop6h 00m
Wed 11/111:35 pm -
1 stop5h 35m
Deal found 10/23![Southwest logo]()
$347
This Delta deal was found by Cheapflights users on 10/21. 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.
Wed 11/45:00 pm -
1 stop7h 17m
Wed 11/116:08 am -
2 stops13h 10m
Deal found 10/21![Delta logo]()
$356
This United Airlines deal was found by Cheapflights users on 10/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:00 am -
1 stop7h 57m
Mon 11/92:27 pm -
1 stop6h 57m
Deal found 10/21![United Airlines logo]()
$366
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 October 25, 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 October 25, 2026.
This Delta deal was found by Cheapflights users on 10/21. 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.
Thu 12/37:08 am -
1 stop6h 47m
Mon 12/74:41 pm -
1 stop6h 05m
Deal found 10/21![Delta logo]()
$259
This Southwest deal was found by Cheapflights users on 10/23. 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 11/76:35 am -
1 stop6h 00m
Wed 11/111:35 pm -
1 stop5h 35m
Deal found 10/23![Southwest logo]()
$347
This United Airlines deal was found by Cheapflights users on 10/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/51:08 pm -
2 stops11h 37m
Mon 11/92:27 pm -
1 stop6h 57m
Deal found 10/21![United Airlines logo]()
$371
This Delta deal was found by Cheapflights users on 10/21. 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.
Wed 11/45:00 pm -
1 stop7h 17m
Wed 11/116:08 am -
2 stops13h 10m
Deal found 10/21![Delta logo]()
$356
This United Airlines deal was found by Cheapflights users on 10/24. 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 11/78:00 am -
1 stop7h 08m
Sat 11/141:49 pm -
1 stop6h 26m
Deal found 10/24![United Airlines logo]()
$399
This Southwest deal was found by Cheapflights users on 10/23. 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 11/134:50 pm -
2 stops8h 50m
Tue 11/172:35 pm -
1 stop6h 35m
Deal found 10/23![Southwest logo]()
$404
This Delta deal was found by Cheapflights users on 10/22. 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 2/116:30 am -
2 stops8h 34m
Tue 2/1612:30 pm -
2 stops8h 48m
Deal found 10/22![Delta logo]()
$387
Last-minute flights from St. Louis to EugeneDiscover last-minute flight deals from St. Louis to Eugene. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Eugene. Data last updated October 25, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/21. 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.
Wed 11/45:00 pm -
1 stop7h 17m
Wed 11/116:08 am -
2 stops13h 10m
Deal found 10/21![Delta logo]()
$356
This United Airlines deal was found by Cheapflights users on 10/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:00 am -
1 stop8h 57m
Sun 11/82:27 pm -
1 stop6h 57m
Deal found 10/20![United Airlines logo]()
$436
This United Airlines deal was found by Cheapflights users on 10/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:00 am -
1 stop7h 57m
Mon 11/92:27 pm -
1 stop6h 57m
Deal found 10/21![United Airlines logo]()
$366
This Southwest deal was found by Cheapflights users on 10/21. 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.
Thu 11/55:05 am -
2 stops8h 55m
Mon 11/910:55 am -
2 stops11h 40m
Deal found 10/21![Southwest logo]()
$399
This Delta deal was found by Cheapflights users on 10/23. 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 11/75:00 pm -
1 stop7h 17m
Wed 11/116:08 am -
2 stops13h 10m
Deal found 10/23![Delta logo]()
$344
This Southwest deal was found by Cheapflights users on 10/23. 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 11/76:35 am -
1 stop6h 00m
Wed 11/111:35 pm -
1 stop5h 35m
Deal found 10/23![Southwest logo]()
$347
This United Airlines deal was found by Cheapflights users on 10/24. 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 11/74:39 pm -
1 stop6h 50m
Sat 11/145:00 am -
2 stops11h 09m
Deal found 10/24![United Airlines logo]()
$404
This Delta deal was found by Cheapflights users on 10/24. 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 11/76:00 am -
2 stops12h 01m
Sat 11/146:08 am -
2 stops13h 10m
Deal found 10/24![Delta logo]()
$409
This Southwest deal was found by Cheapflights users on 10/23. 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 11/134:50 pm -
2 stops8h 50m
Tue 11/175:45 am -
2 stops9h 40m
Deal found 10/23![Southwest logo]()
$410
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 October 25, 2026.
Search for one-way flight options from St. Louis to Eugene. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This Delta deal was found by Cheapflights users on 10/21. 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.
Thu 12/37:08 am -
1 stop6h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Delta logo]()
$130
This United Airlines deal was found by Cheapflights users on 10/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/42:50 pm -
1 stop8h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![United Airlines logo]()
$165
This Delta deal was found by Cheapflights users on 10/21. 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.
Fri 12/43:32 pm -
2 stops10h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Delta logo]()
$170
This deal was found by Cheapflights users on 10/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/28:40 am -
1 stop6h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![United Airlines logo]()
$240
This United Airlines deal was found by Cheapflights users on 10/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:30 am -
3 stops15h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![United Airlines logo]()
$335
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 October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $259 (Delta) |
One-way from | $130 (Delta) |
Popular in | March |
Cheapest in | September |
Average price | $492 |
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 7,457,451 searches. Data last updated October 25, 2026.
Use the filters below to find and compare flights from St. Louis to Eugene that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
St. LouisEugene
STL Lambert-St Louis - EUG Eugene
STLEUG
Lambert-St Louis
Thu 12/3
7:08 am-11:55 am
1 stop6h 47m
Eugene
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$130
St. LouisEugene
STL Lambert-St Louis - EUG Eugene
STLEUG
Lambert-St Louis
Fri 12/4
2:50 pm-9:44 pm
1 stop8h 54m
Eugene
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$165
St. LouisEugene
STL Lambert-St Louis - EUG Eugene
STLEUG
Lambert-St Louis
Fri 12/4
3:32 pm-12:06 am
2 stops10h 34m
Eugene
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$170
St. LouisEugene
STL Lambert-St Louis - EUG Eugene
STLEUG
Lambert-St Louis
Thu 12/3
7:08 am-11:55 am
1 stop6h 47m
Eugene
Mon 12/7
4:41 pm-12:46 am
1 stop6h 05m
$259
St. LouisEugene
STL Lambert-St Louis - EUG Eugene
STLEUG
Lambert-St Louis
Thu 12/3
6:30 am-8:14 pm
3 stops15h 44m
Eugene
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$335
St. LouisEugene
STL Lambert-St Louis - EUG Eugene
STLEUG
Lambert-St Louis
Sat 11/7
6:35 am-10:35 am
1 stop6h 00m
Eugene
Wed 11/11
1:35 pm-9:10 pm
1 stop5h 35m
$347
St. LouisEugene
STL Lambert-St Louis - EUG Eugene
STLEUG
Lambert-St Louis
Wed 11/4
5:00 pm-10:17 pm
1 stop7h 17m
Eugene
Wed 11/11
6:08 am-9:18 pm
2 stops13h 10m
$356
St. LouisEugene
STL Lambert-St Louis - EUG Eugene
STLEUG
Lambert-St Louis
Thu 11/5
1:08 pm-10:45 pm
2 stops11h 37m
Eugene
Mon 11/9
2:27 pm-11:24 pm
1 stop6h 57m
$371
St. LouisEugene
STL Lambert-St Louis - EUG Eugene
STLEUG
Lambert-St Louis
Thu 2/11
6:30 am-1:04 pm
2 stops8h 34m
Eugene
Tue 2/16
12:30 pm-11:18 pm
2 stops8h 48m
$387
St. LouisEugene
STL Lambert-St Louis - EUG Eugene
STLEUG
Lambert-St Louis
Sat 11/7
8:00 am-1:08 pm
1 stop7h 08m
Eugene
Sat 11/14
1:49 pm-10:15 pm
1 stop6h 26m
$399
Showing 1-10 of 11 resultsSorted by cheapest first
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | 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, September is the cheapest month in which you can book a flight from St. Louis to Eugene (average of $378). Flying from St. Louis to Eugene in March is currently the most expensive (average of $914). 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?
Airfare is below average for this route at the moment.
St. Louis to Eugene flights typically cost between $382 and $629 in December.The cheapest round-trip price found within the last 5 days was $259 on Delta (Dec 3-Dec 7).
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 October 25, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited 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.
Food
7.0
Entertainment
7.4
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Food
7.0
Entertainment
7.4
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Food
7.0
Entertainment
7.4
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Food
7.0
Entertainment
7.4
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
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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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 October 25, 2026.
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St. Louis and Eugene flights
Browse other St. Louis and Eugene flight options. Last updated on October 25, 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 October 25, 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 7,457,451 searches. Data last updated October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$265 | Average$384 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$371 | Average$495 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$378 | Average$570 | FlexibilityNo cancel fee | On-time69% |