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Eugene

$148+ 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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — EUG
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
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 August 18, 2025.

Round-trip from

$274
(Delta)

One-way from

$148
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$463
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. 1% potential increase in price ($5 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 August 18, 2025.

This Alaska Airlines deal was found by Cheapflights users on 8/17. 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 10/36:30 pmSTL - EUG
2 stops18h 59mAlaska Airlines
Mon 10/69:00 amEUG - STL
1 stop13h 03mAlaska Airlines
Deal found 8/17$330
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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 11/134:14 pmSTL - EUG
1 stop6h 56mAlaska Airlines
Sun 11/168:41 amEUG - STL
1 stop13h 18mAlaska Airlines
Deal found 8/18$375
This Hawaiian Airlines deal was found by Cheapflights users on 8/17. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/134:14 pmSTL - EUG
1 stop6h 56mHawaiian Airlines
Sun 11/161:13 pmEUG - STL
1 stop8h 46mHawaiian Airlines
Deal found 8/17$384
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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 10/103:57 pmSTL - EUG
1 stop22h 51mAlaska Airlines
Sun 10/125:42 pmEUG - STL
1 stop28h 21mAlaska Airlines
Deal found 8/17$404

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 August 18, 2025.
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

Fri 10/3

6:30 pm-11:29 am

2 stops18h 59m

Eugene

Mon 10/6

9:00 am-12:03 am

1 stop13h 03m

$330

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Thu 11/13

4:14 pm-9:10 pm

1 stop6h 56m

Eugene

Sun 11/16

8:41 am-11:59 pm

1 stop13h 18m

$375

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Thu 11/13

4:14 pm-9:10 pm

1 stop6h 56m

Eugene

Sun 11/16

1:13 pm-11:59 pm

1 stop8h 46m

$384

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Fri 10/10

3:57 pm-12:48 pm

1 stop22h 51m

Eugene

Sun 10/12

5:42 pm-12:03 am

1 stop28h 21m

$404

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Wed 10/8

7:52 pm-2:12 pm

2 stops20h 20m

$148

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Tue 10/7

2:29 pm-11:14 pm

2 stops10h 45m

$157

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Wed 10/8

7:31 am-1:32 pm

1 stop8h 01m

$159

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Sat 9/13

7:55 pm-7:54 pm

2 stops25h 59m

$160

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Thu 10/9

3:57 pm-9:29 pm

1 stop7h 32m

$167

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Thu 11/13

4:14 pm-9:10 pm

1 stop6h 56m

$167

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 14 results
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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, January is the cheapest month in which you can book a flight from St. Louis to Eugene (average of $321). Flying from St. Louis to Eugene in June is currently the most expensive (average of $479). 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.

What is the cheapest time of day to fly from STL to EUG?

Find hourly flight availability from St. Louis to Eugene. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 18, 2025.

It’s optimal to fly from St. Louis to Eugene in the afternoon. By choosing this option you can save up to 13% on the cost of your flight, compared to a flight in the evening.

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 August 18, 2025.
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
10,000 reviews

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
United Airlines
7.4
Good
8,925 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.

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?

    Alaska Airlines and Hawaiian Airlines can get you from St. Louis to Eugene in just under 6h 56m. Your travel time can differ by up to 12h 03m. 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 American Airlines is currently your cheapest option to Eugene, with prices starting at $281. Additional round-trip tickets that might be worth considering are offered by Alaska Airlines and Southwest, with the lowest prices starting at $313 and $329, respectively. Users have found that American Airlines is 39% 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, January is the cheapest month in which you can book a flight from St. Louis to Eugene (average of $321). Flying from St. Louis to Eugene in June is currently the most expensive (average of $479). 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 4 airlines flying from St. Louis to Eugene

Discover the top 4 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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$281Average$542FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$313Average$499FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$329Average$437FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$331Average$528FlexibilityNo cancel feeOn-time69%

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