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$147+ 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — EUG
Dec 15 — Dec 221
Mon 12/15
Mon 12/22
1 adult, Economy
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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 November 15, 2025.

This Delta deal was found by Cheapflights users on 11/14. 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.
Fri 12/56:30 amSTL - EUG
2 stops11h 19mDelta
Sun 12/77:00 amEUG - STL
2 stops11h 47mDelta
Deal found 11/14$337
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2910:10 pmSTL - EUG
1 stop18h 57mMultiple Airlines
Sun 1/48:10 pmEUG - STL
2 stops11h 52mMultiple Airlines
Deal found 11/12$340
This Alaska Airlines deal was found by Cheapflights users on 11/14. 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 12/53:23 pmSTL - EUG
1 stop27h 45mAlaska Airlines
Sun 12/79:00 amEUG - STL
1 stop27h 27mAlaska Airlines
Deal found 11/14$352
This United Airlines deal was found by Cheapflights users on 11/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/115:30 pmSTL - EUG
1 stop7h 29mUnited Airlines
Fri 12/126:00 amEUG - STL
1 stop8h 27mUnited Airlines
Deal found 11/13$371
This Alaska Airlines deal was found by Cheapflights users on 11/13. 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.
Fri 12/127:00 amSTL - EUG
1 stop7h 36mAlaska Airlines
Fri 12/125:45 pmEUG - STL
1 stop18h 42mAlaska Airlines
Deal found 11/13$412
This Southwest deal was found by Cheapflights users on 11/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:40 amSTL - EUG
1 stop8h 35mSouthwest
Mon 12/227:00 pmEUG - STL
2 stops11h 15mSouthwest
Deal found 11/13$429
This Alaska Airlines deal was found by Cheapflights users on 11/14. 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.
Thu 12/117:00 amSTL - EUG
2 stops10h 22mAlaska Airlines
Fri 12/129:00 amEUG - STL
1 stop27h 27mAlaska Airlines
Deal found 11/14$438

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 November 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$337
(Delta)

One-way from

$147
(Delta)

Popular in

December

Cheapest in

March

Average price

$416
Provider with most accurate pricing for Lambert-St Louis-Eugene flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Eugene flights.
Search Deals
From Lambert-St Louis to Eugene
Search Deals
One-way flight from Lambert-St Louis to Eugene
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($12 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 15, 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 12/5

2:20 pm-11:11 pm

2 stops10h 51m

Eugene

Sun 12/7

5:30 am-1:30 pm

1 stop6h 00m

$341

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Fri 12/5

3:23 pm-5:08 pm

1 stop27h 45m

Eugene

Sun 12/7

9:00 am-2:27 pm

1 stop27h 27m

$352

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Thu 12/11

5:30 pm-10:59 pm

1 stop7h 29m

Eugene

Fri 12/12

6:00 am-4:27 pm

1 stop8h 27m

$371

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Mon 12/29

10:10 pm-3:07 pm

1 stop18h 57m

Eugene

Sun 1/4

8:10 pm-9:25 pm

1 stop23h 15m

$394

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Thu 1/1

7:20 am-12:02 pm

1 stop6h 42m

Eugene

Mon 1/5

11:25 am-11:25 pm

2 stops10h 00m

$396

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Fri 12/12

7:00 am-12:36 pm

1 stop7h 36m

Eugene

Fri 12/12

5:45 pm-2:27 pm

1 stop18h 42m

$412

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Thu 12/18

7:40 am-2:15 pm

1 stop8h 35m

Eugene

Mon 12/22

7:00 pm-8:15 am

2 stops11h 15m

$429

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Thu 12/11

7:00 am-3:22 pm

2 stops10h 22m

Eugene

Fri 12/12

9:00 am-2:27 pm

1 stop27h 27m

$438

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Thu 12/4

2:20 pm-11:11 pm

2 stops10h 51m

$147

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Thu 12/4

3:30 pm-4:57 pm

3 stops27h 27m

$225

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/14

Showing 1-10 of 12 results
1
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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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*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 April is currently the most expensive (average of $425). 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 November 15, 2025.

It’s optimal to fly from St. Louis to Eugene in the afternoon. By choosing this option you can save up to 12% 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 November 15, 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
11,298 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,298 reviews
Alaska Airlines
8.0
Very good
11,298 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Southwest
8.0
Very good
4,244 reviews
Alaska Airlines
8.0
Very good
11,298 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
9,017 reviews
Alaska Airlines
8.0
Very good
11,298 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
American Airlines
7.2
Good
11,053 reviews
Alaska Airlines
8.0
Very good
11,298 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

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?

    Delta, Alaska Airlines, and United Airlines can get you from St. Louis to Eugene in just under 7h 29m. Your travel time can differ by up to 20h 16m. 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 $313. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $319 and $331, respectively. Users have found that Alaska Airlines is 32% 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 April is currently the most expensive (average of $425). 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 November 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$313Average$522FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$319Average$568FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$331Average$513FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$353Average$437FlexibilityNo cancel feeOn-time63%

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