Eugene

$214+ 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 6/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — EUG
Jul 14 — Jul 211
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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 June 14, 2026.

This Southwest deal was found by Cheapflights users on 6/10. 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 9/165:35 am
STL
-
EUG
1 stop9h 20m
Southwest
Thu 9/2412:20 pm
EUG
-
STL
1 stop7h 35m
Southwest
Deal found 6/10$297
This United Airlines deal was found by Cheapflights users on 6/10. 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 8/66:00 am
STL
-
EUG
1 stop7h 37m
United Airlines
Wed 8/122:15 pm
EUG
-
STL
1 stop6h 44m
United Airlines
Deal found 6/10$338
This Southwest deal was found by Cheapflights users on 6/10. 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 9/176:40 pm
STL
-
EUG
1 stop6h 00m
Southwest
Wed 9/231:40 pm
EUG
-
STL
1 stop8h 00m
Southwest
Deal found 6/10$344
This Expedia deal was found by Cheapflights users on 6/10. 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.
Thu 8/67:56 pm
STL
-
EUG
1 stop15h 11m
Alaska Airlines
Wed 8/125:20 am
EUG
-
STL
2 stops10h 17m
Alaska Airlines
Deal found 6/10$349
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 8/259:32 am
STL
-
EUG
2 stops12h 52m
Alaska Airlines
Wed 8/261:25 pm
EUG
-
STL
1 stop7h 34m
Alaska Airlines
Deal found 6/10$366
This Southwest deal was found by Cheapflights users on 6/13. 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.
Wed 9/236:30 pm
STL
-
EUG
1 stop6h 00m
Southwest
Wed 10/141:45 pm
EUG
-
STL
1 stop7h 20m
Southwest
Deal found 6/13$377
This Delta deal was found by Cheapflights users on 6/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:30 pm
STL
-
EUG
2 stops11h 27m
Delta
Wed 10/144:40 pm
EUG
-
STL
1 stop5h 56m
Delta
Deal found 6/13$382

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 June 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$297
(Southwest)

One-way from

$214
(Delta)

Popular in

March

Cheapest in

October

Average price

$713
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 ($160 potential increase over avg. RT price).
Cheapest flight prices on average. 7% potential price decrease ($36 potential savings vs. average RT price).
Average for round-trip flights in June 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 June 14, 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

Cheapest round-trip

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Tue 8/25

9:32 am-8:24 pm

2 stops12h 52m

Eugene

Wed 8/26

1:25 pm-10:59 pm

1 stop7h 34m

$366

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Mon 7/13

4:00 pm-10:45 pm

1 stop8h 45m

Eugene

Mon 7/20

2:45 pm-12:40 am

2 stops7h 55m

$432
Quickest round-trip

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Tue 8/25

9:00 am-3:34 pm

2 stops8h 34m

Eugene

Wed 8/26

5:00 am-12:40 pm

1 stop5h 40m

$445

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Sat 6/27

5:45 am-9:40 am

1 stop5h 55m

Eugene

Wed 7/1

6:40 am-6:25 pm

2 stops9h 45m

$458

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Sun 6/21

6:00 am-11:37 am

1 stop7h 37m

Eugene

Fri 6/26

12:43 pm-9:26 pm

1 stop6h 43m

$469

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Wed 7/8

6:37 am-8:42 pm

1 stop16h 05m

Eugene

Sat 7/18

4:00 pm-8:37 am

2 stops14h 37m

$512
Cheapest one-way

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Fri 7/10

6:00 am-11:37 am

1 stop7h 37m

$214

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Mon 6/29

5:37 pm-10:28 pm

1 stop6h 51m

$214

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Tue 6/23

7:55 pm-11:58 pm

1 stop6h 03m

$214
Quickest one-way

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Sat 6/27

5:45 am-9:40 am

1 stop5h 55m

$214

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 15 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 June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 $331). 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?

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 June 14, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Southwest, 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.

Entertainment

7.0

Overall

7.9

Boarding

8.1

Food

7.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Entertainment

7.0

Overall

7.9

Boarding

8.1

Food

7.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Entertainment

7.0

Overall

7.9

Boarding

8.1

Food

7.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Entertainment

7.0

Overall

7.9

Boarding

8.1

Food

7.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

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, Southwest, and United Airlines can get you from St. Louis to Eugene in just under 8h 34m. Your travel time can differ by up to 4h 18m. 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 United Airlines is currently your cheapest option to Eugene, with prices starting at $332. Another option worth looking into is Southwest, starting at $371 round trip. Users have found that United Airlines is 36% 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 $331). 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.

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 2 airlines flying from St. Louis to Eugene

Discover the top 2 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 June 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$332Average$538FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$371Average$495FlexibilityNo cancel feeOn-time63%

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