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Eugene

$181+ 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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — EUG
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
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Cheap 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 January 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$294
(American Airlines)

One-way from

$181
(United Airlines)

Popular in

May

Cheapest in

December

Average price

$520
Provider with most accurate pricing for Lambert-St Louis-Eugene flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Eugene flights.
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From Lambert-St Louis to Eugene
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One-way flight from Lambert-St Louis to Eugene
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Highest demand for flights based on searches. 10% potential increase in price ($56 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from St. Louis to Eugene

Cheapest flights from St. Louis to Eugene
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 January 15, 2026.

This American Airlines deal was found by Cheapflights users on 1/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/77:43 am
STL
-
EUG
1 stop8h 48m
American Airlines
Mon 2/93:18 pm
EUG
-
STL
1 stop6h 41m
American Airlines
Deal found 1/14$294
This Orbitz deal was found by Cheapflights users on 1/13. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/183:50 pm
STL
-
EUG
1 stop6h 41m
Alaska Airlines
Mon 4/67:17 pm
EUG
-
STL
1 stop17h 34m
Alaska Airlines
Deal found 1/13$313
This Delta deal was found by Cheapflights users on 1/12. 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.
Tue 2/173:40 pm
STL
-
EUG
2 stops9h 15m
Delta
Wed 2/2511:25 am
EUG
-
STL
2 stops11h 00m
Delta
Deal found 1/12$314
This Delta deal was found by Cheapflights users on 1/14. 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.
Thu 4/166:45 pm
STL
-
EUG
1 stop7h 02m
Delta
Mon 4/2011:09 am
EUG
-
STL
2 stops11h 13m
Delta
Deal found 1/14$322
This Alaska Airlines deal was found by Cheapflights users on 1/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/62:50 pm
STL
-
EUG
1 stop28h 04m
Alaska Airlines
Mon 2/93:02 pm
EUG
-
STL
1 stop20h 52m
Alaska Airlines
Deal found 1/14$323
This Alaska Airlines deal was found by Cheapflights users on 1/13. 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.
Thu 4/167:00 am
STL
-
EUG
1 stop15h 31m
Alaska Airlines
Mon 4/207:17 pm
EUG
-
STL
1 stop17h 34m
Alaska Airlines
Deal found 1/13$333
This Southwest deal was found by Cheapflights users on 1/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/177:10 am
STL
-
EUG
1 stop9h 15m
Southwest
Wed 2/2512:25 pm
EUG
-
STL
2 stops7h 55m
Southwest
Deal found 1/12$336
This Delta deal was found by Cheapflights users on 1/14. 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.
Sat 2/73:31 pm
STL
-
EUG
2 stops9h 08m
Delta
Mon 2/912:34 pm
EUG
-
STL
2 stops8h 51m
Delta
Deal found 1/14$339
This Expedia deal was found by Cheapflights users on 1/15. 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.
Fri 3/67:00 am
STL
-
EUG
1 stop18h 58m
Alaska Airlines
Sun 3/89:01 am
EUG
-
STL
1 stop12h 58m
Alaska Airlines
Deal found 1/15$343

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 January 15, 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 2/7

7:43 am-2:31 pm

1 stop8h 48m

Eugene

Mon 2/9

3:18 pm-11:59 pm

1 stop6h 41m

$294

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Wed 3/18

3:50 pm-8:31 pm

1 stop6h 41m

Eugene

Mon 4/6

7:17 pm-2:51 pm

1 stop17h 34m

$313

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Tue 2/17

3:40 pm-10:55 pm

2 stops9h 15m

Eugene

Wed 2/25

11:25 am-12:25 am

2 stops11h 00m

$314

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Tue 2/17

7:00 am-11:58 pm

1 stop18h 58m

Eugene

Wed 2/25

5:42 am-1:51 pm

1 stop6h 09m

$323

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Fri 2/6

2:50 pm-4:54 pm

1 stop28h 04m

Eugene

Mon 2/9

3:02 pm-1:54 pm

1 stop20h 52m

$323

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Sat 2/7

6:40 am-11:54 am

1 stop7h 14m

Eugene

Mon 2/9

12:34 pm-11:25 pm

2 stops8h 51m

$333

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Tue 2/17

7:10 am-2:25 pm

1 stop9h 15m

Eugene

Wed 2/25

12:25 pm-10:20 pm

2 stops7h 55m

$336

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Wed 3/18

5:15 am-12:15 pm

2 stops9h 00m

Eugene

Mon 4/6

6:51 pm-5:50 am

1 stop8h 59m

$343

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Fri 3/6

7:00 am-11:58 pm

1 stop18h 58m

Eugene

Sun 3/8

9:01 am-11:59 pm

1 stop12h 58m

$343

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Wed 3/18

7:15 am-5:10 pm

2 stops11h 55m

Eugene

Mon 4/6

11:40 am-12:21 am

2 stops10h 41m

$382

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Showing 1-10 of 13 results
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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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Eugene flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Eugene flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.
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.

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 January 15, 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.
Alaska Airlines
8.0
Very good
11,715 reviews

Crew

8.5

Entertainment

7.0

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,715 reviews
Alaska Airlines
8.0
Very good
11,715 reviews

Crew

8.5

Entertainment

7.0

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Southwest
8.0
Very good
4,258 reviews
Alaska Airlines
8.0
Very good
11,715 reviews

Crew

8.5

Entertainment

7.0

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,163 reviews
Alaska Airlines
8.0
Very good
11,715 reviews

Crew

8.5

Entertainment

7.0

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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.

  • How long is the flight from St. Louis to Eugene?

    American Airlines, Alaska Airlines, and Delta can get you from St. Louis to Eugene in just under 6h 41m. Your travel time can differ by up to 2h 34m. The distance from St. Louis to Eugene is about 1728 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from St. Louis to Eugene round-trip?

    Flying on Alaska Airlines is currently your cheapest option to Eugene, with prices starting at $312. Additional round-trip tickets that might be worth considering are offered by United Airlines and Southwest, with the lowest prices starting at $331 and $353, respectively. Users have found that Alaska Airlines is 33% cheaper than the other options available to this destination.

  • Can I find deals for flights from St. Louis to Eugene that include hotel bookings?

    Yes. In addition to deals on St. Louis to Eugene flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Eugene?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Eugene.

  • Can I find deals for business class flights from St. Louis to Eugene?

    Yes. Cheapflights offers flight deals from St. Louis to Eugene by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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.

See more FAQs

Traveling to a place near Eugene?

Book flights to Eugene if you plan to visit one of these locations
Newport
Albany
Corvallis

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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 January 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$312Average$561FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$331Average$535FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$353Average$437FlexibilityNo cancel feeOn-time63%

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