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$130+ 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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — EUG
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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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 July 3, 2025.

Round-trip from

$266
(Delta)

One-way from

$130
(Alaska Airlines)

Popular in

December

Cheapest in

January

Average price

$552
From Lambert-St Louis to Eugene
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One-way flight from Lambert-St Louis to Eugene
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Highest demand for flights based on searches. 2% potential increase in price ($13 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 July 2025
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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 July 3, 2025.

This Delta deal was found by Cheapflights users on 7/1. 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.
Sun 9/76:45 pmSTL - EUG
1 stop6h 01mDelta
Wed 10/296:15 amEUG - STL
2 stops9h 42mDelta
Deal found 7/1$266
This Hawaiian Airlines deal was found by Cheapflights users on 7/1. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/76:00 amSTL - EUG
1 stop8h 42mHawaiian Airlines
Wed 10/296:00 amEUG - STL
1 stop7h 05mHawaiian Airlines
Deal found 7/1$299
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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 10/93:57 pmSTL - EUG
1 stop7h 32mAlaska Airlines
Sun 10/125:42 pmEUG - STL
1 stop19h 13mAlaska Airlines
Deal found 7/2$345
This Southwest deal was found by Cheapflights users on 6/30. 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 9/255:10 amSTL - EUG
2 stops9h 30mSouthwest
Sun 9/281:20 pmEUG - STL
1 stop7h 55mSouthwest
Deal found 6/30$354
This Mytrip deal was found by Cheapflights users on 7/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/142:30 pmSTL - EUG
2 stops23h 05mMultiple Airlines
Sun 8/173:45 pmEUG - STL
3 stops19h 47mMultiple Airlines
Deal found 7/3$438
This United Airlines deal was found by Cheapflights users on 7/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/186:00 amSTL - EUG
1 stop8h 10mUnited Airlines
Tue 7/224:03 pmEUG - STL
1 stop5h 56mUnited Airlines
Deal found 7/3$527

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 July 3, 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

Sun 9/7

6:45 pm-10:46 pm

1 stop6h 01m

Eugene

Wed 10/29

6:15 am-5:57 pm

2 stops9h 42m

$266

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Sun 9/7

6:00 am-12:42 pm

1 stop8h 42m

Eugene

Wed 10/29

6:00 am-3:05 pm

1 stop7h 05m

$299

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Thu 10/9

3:57 pm-9:29 pm

1 stop7h 32m

Eugene

Sun 10/12

5:42 pm-2:55 pm

1 stop19h 13m

$345

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Thu 9/25

5:10 am-12:40 pm

2 stops9h 30m

Eugene

Sun 9/28

1:20 pm-11:15 pm

1 stop7h 55m

$354

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Thu 8/14

2:30 pm-11:35 am

2 stops23h 05m

Eugene

Sun 8/17

3:45 pm-1:32 pm

3 stops19h 47m

$438

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Fri 7/18

6:00 am-12:10 pm

1 stop8h 10m

Eugene

Tue 7/22

4:03 pm-11:59 pm

1 stop5h 56m

$527

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Fri 8/29

5:32 pm-11:32 pm

2 stops8h 00m

Eugene

Mon 9/1

6:00 am-6:28 pm

2 stops10h 28m

$900

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Fri 10/3

6:30 pm-12:24 am

1 stop7h 54m

$130

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Sat 9/20

6:30 am-11:00 am

1 stop6h 30m

$131

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Thu 8/14

6:41 am-12:36 pm

1 stop7h 55m

$169

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 13 results
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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, January is the cheapest month in which you can book a flight from St. Louis to Eugene (average of $321). Flying from St. Louis to Eugene in June is currently the most expensive (average of $478). 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 July 3, 2025.

It’s optimal to fly from St. Louis to Eugene in the afternoon. By choosing this option you can save up to 13% 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 July 3, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta 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
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,266 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,545 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    Flying on Delta is currently your cheapest option to Eugene, with prices starting at $266. Additional round-trip tickets that might be worth considering are offered by Hawaiian Airlines and Alaska Airlines, with the lowest prices starting at $299 and $345, respectively. Users have found that Delta is 44% cheaper than the other options available to this destination.

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

    The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as $130. However, be on the lookout for offers from Southwest and Hawaiian Airlines, as they are both options that can get you from St. Louis to Eugene for a low price.

  • 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, January is the cheapest month in which you can book a flight from St. Louis to Eugene (average of $321). Flying from St. Louis to Eugene in June is currently the most expensive (average of $478). 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
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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$271Average$542FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$315Average$509FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$329Average$441FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$331Average$521FlexibilityNo cancel feeOn-time69%

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