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$161+ Cheap flights from Eugene to St. Louis (EUG - STL)

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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
EUG — STL
Oct 31 — Nov 71
Fri 10/31
Fri 11/7
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 October 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$305
(Southwest)

One-way from

$161
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$372
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
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One-way flight from Eugene to Lambert-St Louis
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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 October 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 October 1, 2025.

This Southwest deal was found by Cheapflights users on 9/30. 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 12/1112:40 pmEUG - STL
1 stop6h 20mSouthwest
Tue 12/165:00 amSTL - EUG
1 stop8h 05mSouthwest
Deal found 9/30$305
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Thu 12/116:00 amEUG - STL
1 stop8h 27mUnited Airlines
Tue 12/1611:25 amSTL - EUG
2 stops12h 05mUnited Airlines
Deal found 10/1$310
This Alaska Airlines deal was found by Cheapflights users on 9/29. 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 10/308:41 amEUG - STL
1 stop13h 18mAlaska Airlines
Mon 11/37:00 amSTL - EUG
1 stop7h 36mAlaska Airlines
Deal found 9/29$326
This Delta deal was found by Cheapflights users on 9/29. 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 10/305:15 amEUG - STL
1 stop6h 24mDelta
Mon 11/32:29 pmSTL - EUG
2 stops10h 45mDelta
Deal found 9/29$332
This Delta deal was found by Cheapflights users on 9/29. 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 11/811:29 amEUG - STL
2 stops7h 54mDelta
Sun 11/96:34 amSTL - EUG
2 stops12h 14mDelta
Deal found 9/29$345
This Delta deal was found by Cheapflights users on 9/30. 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 12/115:30 amEUG - STL
2 stops9h 40mDelta
Tue 12/1612:49 pmSTL - EUG
2 stops13h 10mDelta
Deal found 9/30$346
This Kiwi.com deal was found by Cheapflights users on 10/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/168:55 pmEUG - STL
1 stop12h 48mMultiple Airlines
Sun 10/192:47 pmSTL - EUG
2 stops19h 53mMultiple Airlines
Deal found 10/1$495
This Alaska Airlines deal was found by Cheapflights users on 10/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/76:02 amEUG - STL
1 stop6h 59mAlaska Airlines
Tue 10/213:57 pmSTL - EUG
1 stop7h 32mAlaska Airlines
Deal found 10/1$499

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 October 1, 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

Thu 12/11

12:40 pm-9:00 pm

1 stop6h 20m

Lambert-St Louis

Tue 12/16

5:00 am-11:05 am

1 stop8h 05m

$305

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Thu 12/11

5:30 am-1:51 pm

1 stop6h 21m

Lambert-St Louis

Tue 12/16

2:37 pm-7:43 pm

1 stop7h 06m

$305

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Tue 3/3

5:00 am-1:52 pm

1 stop6h 52m

Lambert-St Louis

Wed 3/4

2:55 pm-9:02 pm

1 stop8h 07m

$324

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Thu 10/30

8:41 am-11:59 pm

1 stop13h 18m

Lambert-St Louis

Mon 11/3

7:00 am-12:36 pm

1 stop7h 36m

$326

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Tue 3/3

5:45 am-1:25 pm

1 stop5h 40m

Lambert-St Louis

Wed 3/4

7:00 am-4:27 pm

2 stops11h 27m

$329

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Thu 10/30

5:15 am-1:39 pm

1 stop6h 24m

Lambert-St Louis

Mon 11/3

2:29 pm-11:14 pm

2 stops10h 45m

$332

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Tue 3/3

1:25 pm-11:56 pm

1 stop8h 31m

Lambert-St Louis

Wed 3/4

7:00 am-10:38 pm

2 stops17h 38m

$336

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Sun 10/26

8:55 pm-9:07 am

2 stops34h 12m

$161

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Tue 1/6

3:25 pm-11:59 pm

1 stop6h 34m

$163

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Sat 10/25

11:29 am-9:23 pm

2 stops7h 54m

$167

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/30

Showing 1-10 of 15 results
1
2

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Eugene-St. Louis flight deals on Cheapflights vs. FlightHub >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 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 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, August is the cheapest month in which you can book a flight from Eugene to St. Louis (average of $311). Flying from Eugene to St. Louis in March is currently the most expensive (average of $356). 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 October 1, 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
10,988 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

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
10,988 reviews
Alaska Airlines
8.0
Very good
10,988 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

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
4,248 reviews
Alaska Airlines
8.0
Very good
10,988 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

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.
Delta
8.0
Very good
7,961 reviews
Alaska Airlines
8.0
Very good
10,988 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

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
8,929 reviews
Alaska Airlines
8.0
Very good
10,988 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

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
11,030 reviews
Alaska Airlines
8.0
Very good
10,988 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

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 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 $305, Southwest can have you in St. Louis from Eugene in 6h 20m. There are 1728 mi between Eugene and St. Louis. This flight may include one or multiple stops.

  • 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.

  • What are the cheapest airlines to fly from Eugene to St. Louis one-way?

    $163 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Delta and Alaska Airlines, with prices starting from $167 and $173, respectively.

  • 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, August is the cheapest month in which you can book a flight from Eugene to St. Louis (average of $311). Flying from Eugene to St. Louis in March is currently the most expensive (average of $356). 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

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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 October 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$315Average$369FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$332Average$408FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$336Average$426FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$338Average$490FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$346Average$441FlexibilityNo cancel feeOn-time71%

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