Eugene

$139+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
STL — EUG
Apr 3 — Apr 101
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Cheap 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 March 4, 2026.

This Trip.com deal was found by Cheapflights users on 3/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/187:00 am
STL
-
EUG
1 stop7h 30m
Alaska Airlines
Sat 4/251:23 pm
EUG
-
STL
1 stop8h 36m
Alaska Airlines
Deal found 3/4$255
This Alaska Airlines deal was found by Cheapflights users on 3/3. 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.
Tue 4/147:00 am
STL
-
EUG
1 stop7h 30m
Alaska Airlines
Sat 4/181:07 pm
EUG
-
STL
1 stop8h 52m
Alaska Airlines
Deal found 3/3$277
This Southwest deal was found by Cheapflights users on 3/3. 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.
Wed 4/153:55 pm
STL
-
EUG
1 stop8h 05m
Southwest
Sat 4/186:00 am
EUG
-
STL
1 stop8h 30m
Southwest
Deal found 3/3$297
This Delta deal was found by Cheapflights users on 3/3. 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 4/146:45 pm
STL
-
EUG
1 stop7h 02m
Delta
Sat 4/186:30 am
EUG
-
STL
2 stops13h 01m
Delta
Deal found 3/3$302
This Expedia deal was found by Cheapflights users on 3/1. 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.
Wed 4/157:00 am
STL
-
EUG
1 stop15h 31m
Alaska Airlines
Sun 4/198:01 am
EUG
-
STL
1 stop13h 58m
Alaska Airlines
Deal found 3/1$335
This Alaska Airlines deal was found by Cheapflights users on 3/3. 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 5/147:41 pm
STL
-
EUG
1 stop16h 00m
Alaska Airlines
Wed 5/2010:18 am
EUG
-
STL
1 stop6h 27m
Alaska Airlines
Deal found 3/3$336
This United Airlines deal was found by Cheapflights users on 3/1. 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 5/68:46 am
STL
-
EUG
1 stop6h 16m
United Airlines
Sun 5/101:07 pm
EUG
-
STL
1 stop6h 06m
United Airlines
Deal found 3/1$342
This Southwest deal was found by Cheapflights users on 3/4. 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 4/182:05 pm
STL
-
EUG
2 stops9h 35m
Southwest
Sat 4/256:00 am
EUG
-
STL
2 stops10h 10m
Southwest
Deal found 3/4$347
This Southwest deal was found by Cheapflights users on 3/1. 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.
Wed 5/63:55 pm
STL
-
EUG
2 stops9h 10m
Southwest
Sun 5/106:10 am
EUG
-
STL
2 stops9h 10m
Southwest
Deal found 3/1$352
This United Airlines deal was found by Cheapflights users on 3/1. 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 4/152:40 pm
STL
-
EUG
2 stops10h 19m
United Airlines
Sun 4/196:51 pm
EUG
-
STL
1 stop8h 59m
United Airlines
Deal found 3/1$365
This Delta deal was found by Cheapflights users on 3/1. 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 8/136:59 pm
STL
-
EUG
2 stops24h 12m
Delta
Mon 8/174:40 pm
EUG
-
STL
1 stop5h 56m
Delta
Deal found 3/1$376

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 March 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$255
(Trip.com)

One-way from

$139
(Delta)

Popular in

March

Cheapest in

December

Average price

$869
Provider with most accurate pricing for Lambert-St Louis-Eugene flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Eugene flights.
From Lambert-St Louis to Eugene
One-way flight from Lambert-St Louis to Eugene
Highest demand for flights based on searches. 23% potential increase in price ($161 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($33 potential savings vs. average RT price).
Average for round-trip flights in March 2026

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 March 4, 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

Price

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Tue 5/19

6:30 am-12:00 pm

1 stop7h 30m

Eugene

Sun 5/24

6:00 am-4:33 pm

2 stops8h 33m

$347

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Wed 4/15

2:40 pm-10:59 pm

2 stops10h 19m

Eugene

Sun 4/19

6:51 pm-5:50 am

1 stop8h 59m

$365

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Thu 5/14

5:33 pm-9:41 am

2 stops18h 08m

Eugene

Wed 5/20

10:18 am-11:54 pm

1 stop11h 36m

$389

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Sat 8/15

7:10 am-1:20 pm

1 stop8h 10m

Eugene

Wed 8/19

1:40 pm-11:40 pm

1 stop8h 00m

$407

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Fri 8/14

8:25 am-3:10 pm

1 stop8h 45m

Eugene

Thu 8/20

11:20 am-12:35 am

2 stops11h 15m

$412

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Thu 3/26

4:20 pm-11:58 pm

1 stop9h 38m

Eugene

Wed 4/1

1:07 pm-11:59 pm

1 stop8h 52m

$455

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Fri 4/24

4:46 pm-11:59 pm

1 stop9h 13m

Eugene

Mon 4/27

8:38 pm-11:59 pm

1 stop25h 21m

$475

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Thu 3/26

5:15 am-12:15 pm

2 stops9h 00m

Eugene

Wed 4/1

1:01 pm-8:54 pm

1 stop5h 53m

$488

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Wed 5/13

7:59 pm-11:43 pm

1 stop5h 44m

$139

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Wed 5/13

2:35 pm-10:59 pm

2 stops10h 24m

$189

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/1

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 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.
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 March 4, 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.

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the 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?

    United Airlines, Alaska Airlines, and Southwest can get you from St. Louis to Eugene in just under 7h 30m. Your travel time can differ by up to 10h 38m. 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 $332 and $353, respectively. Users have found that Alaska 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, 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
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 March 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$312Average$522FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$332Average$535FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$353Average$443FlexibilityNo cancel feeOn-time63%

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