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$256+ Cheap flights from Eugene to St. Louis (EUG - STL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
EUG — STL
Dec 16 — Dec 231
Tue 12/16
Tue 12/23
1 adult, Economy
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Cheap flight deals from Eugene to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Eugene (EUG) to St. Louis (STL). 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 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$256
(Delta)

Popular in

June

Cheapest in

October

Average price

$441
Provider with most accurate pricing for Eugene-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Eugene-Lambert-St Louis flights.
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From Eugene to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($42 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Eugene to St. Louis

Cheapest flights from Eugene to St. Louis
Explore the most affordable flight options available from Eugene to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 16, 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 12/57:00 amEUG - STL
2 stops10h 10mDelta
Thu 12/112:20 pmSTL - EUG
2 stops10h 51mDelta
Deal found 11/14$256
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 12/59:00 amEUG - STL
1 stop27h 27mAlaska Airlines
Wed 12/107:00 amSTL - EUG
1 stop19h 23mAlaska Airlines
Deal found 11/14$332
This Delta deal was found by Cheapflights users on 11/16. 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 12/135:30 amEUG - STL
1 stop6h 00mDelta
Mon 12/152:20 pmSTL - EUG
2 stops10h 51mDelta
Deal found 11/16$341
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 12/51:13 pmEUG - STL
1 stop23h 14mAlaska Airlines
Thu 12/113:23 pmSTL - EUG
1 stop8h 07mAlaska Airlines
Deal found 11/14$347
This American Airlines deal was found by Cheapflights users on 11/16. 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 12/133:25 pmEUG - STL
1 stop6h 31mAmerican Airlines
Mon 12/157:38 amSTL - EUG
1 stop8h 08mAmerican Airlines
Deal found 11/16$365
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/135:00 amEUG - STL
1 stop5h 39mUnited Airlines
Sat 12/202:45 pmSTL - EUG
1 stop8h 28mUnited Airlines
Deal found 11/14$424
This United Airlines deal was found by Cheapflights users on 11/16. 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.
Sat 12/136:47 pmEUG - STL
3 stops15h 28mUnited Airlines
Mon 12/153:19 pmSTL - EUG
2 stops9h 40mUnited Airlines
Deal found 11/16$471
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/295:00 amEUG - STL
1 stop5h 39mUnited Airlines
Wed 12/35:30 pmSTL - EUG
1 stop7h 29mUnited Airlines
Deal found 11/14$472

Cheapflights Fare Finder

 
Customize your flight search to find flights from Eugene to St. Louis 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 16, 2025.
Use the filters below to find and compare flights from Eugene to St. Louis that are best for you.

Fly from

Eugene

Fly to

St. Louis

Route

Depart

Return

Price

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Sat 1/17

11:25 am-9:35 pm

2 stops8h 10m

Lambert-St Louis

Wed 1/21

3:31 pm-11:02 pm

2 stops9h 31m

$256

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Fri 12/5

11:24 am-11:29 pm

2 stops10h 05m

Lambert-St Louis

Wed 12/10

6:00 am-3:49 pm

2 stops11h 49m

$256

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Fri 12/5

7:00 am-7:10 pm

2 stops10h 10m

Lambert-St Louis

Thu 12/11

2:20 pm-11:11 pm

2 stops10h 51m

$256

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Sat 1/17

11:25 am-9:35 pm

2 stops8h 10m

Lambert-St Louis

Tue 1/20

6:35 am-4:37 pm

2 stops12h 02m

$256

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Tue 3/3

6:00 am-12:24 am

2 stops16h 24m

Lambert-St Louis

Wed 3/4

7:00 am-4:37 pm

2 stops11h 37m

$274

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Thu 3/19

1:25 pm-11:55 pm

1 stop8h 30m

$311

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Thu 3/19

6:05 am-3:50 pm

2 stops7h 45m

$409

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Thu 3/19

4:24 pm-6:41 pm

3 stops24h 17m

$555

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/13

Compare providers for flights from Eugene to St. Louis

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 Eugene to St. Louis in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 Eugene-St. Louis flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Eugene-St. Louis flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Eugene-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Eugene-St. Louis 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 Eugene-St. Louis 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 Eugene to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Eugene 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 Eugene to St. Louis

What is the cheapest month to book a flight from Eugene to St. Louis?

Currently, September is the cheapest month in which you can book a flight from Eugene to St. Louis (average of $222). Flying from Eugene to St. Louis in February is currently the most expensive (average of $429). 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 St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated November 16, 2025.
Read through reviews of airlines operating flights from Eugene to St. Louis, such as Alaska Airlines, Southwest, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,301 reviews

Entertainment

7.0

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Alaska Airlines
8.0
Very good
11,301 reviews
Alaska Airlines
8.0
Very good
11,301 reviews

Entertainment

7.0

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
11,301 reviews

Entertainment

7.0

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Delta
7.9
Good
8,010 reviews
Alaska Airlines
8.0
Very good
11,301 reviews

Entertainment

7.0

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
United Airlines
7.4
Good
9,017 reviews
Alaska Airlines
8.0
Very good
11,301 reviews

Entertainment

7.0

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
American Airlines
7.2
Good
11,051 reviews
Alaska Airlines
8.0
Very good
11,301 reviews

Entertainment

7.0

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.

Related info for your journey

Find useful and relevant information for your journey from Eugene to St. Louis. 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 Eugene to St. Louis?

    For as low as $256, Delta can have you in St. Louis from Eugene in 8h 10m. There are 1728 mi between Eugene and St. Louis.

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

    According to our current data, Delta ($315), Alaska Airlines ($332), and Southwest ($336) offers the cheapest pricing from Eugene to St. Louis. These flights start at 30% lower than the current average price 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Eugene to St. Louis 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 Eugene to St. Louis?

    Currently, September is the cheapest month in which you can book a flight from Eugene to St. Louis (average of $222). Flying from Eugene to St. Louis in February is currently the most expensive (average of $429). 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 St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Eugene to St. Louis

Discover the top 5 airlines that operate flights from Eugene to St. Louis. 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 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$315Average$372FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$332Average$408FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$336Average$426FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$338Average$470FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$398Average$466FlexibilityNo cancel feeOn-time71%

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