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Eugene

$260+ Cheap flights from St. Louis to Eugene (STL - EUG)

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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
STL — EUG
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$260
(Alaska Airlines)

Popular in

December

Cheapest in

January

Average price

$569
From Lambert-St Louis to Eugene
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($15 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 June 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 June 12, 2025.

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.
Sat 9/133:35 pmSTL - EUG
1 stop7h 29mAlaska Airlines
Thu 9/181:35 pmEUG - STL
1 stop8h 24mAlaska Airlines
Deal found 6/10$260
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Tue 10/74:50 pmSTL - EUG
1 stop6h 15mUnited Airlines
Sat 10/116:00 amEUG - STL
1 stop8h 45mUnited Airlines
Deal found 6/11$261
This Delta deal was found by Cheapflights users on 6/11. 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 10/106:59 pmSTL - EUG
2 stops17h 40mDelta
Tue 10/146:15 amEUG - STL
2 stops9h 42mDelta
Deal found 6/11$278
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.
Sat 9/138:25 amSTL - EUG
2 stops13h 45mSouthwest
Thu 9/1812:00 pmEUG - STL
2 stops9h 10mSouthwest
Deal found 6/10$385
This Hawaiian 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/317:32 pmSTL - EUG
1 stop6h 27mHawaiian Airlines
Wed 8/66:00 amEUG - STL
1 stop6h 26mHawaiian Airlines
Deal found 6/10$428
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2512:15 pmSTL - EUG
3 stops28h 53mMultiple Airlines
Sun 6/299:45 pmEUG - STL
3 stops33h 05mMultiple Airlines
Deal found 6/10$575
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Mon 6/165:37 amSTL - EUG
1 stop8h 17mAmerican Airlines
Wed 6/1812:52 pmEUG - STL
1 stop8h 27mAmerican Airlines
Deal found 6/12$860

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 12, 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

Sat 9/13

3:35 pm-9:04 pm

1 stop7h 29m

Eugene

Thu 9/18

1:35 pm-11:59 pm

1 stop8h 24m

$260

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Tue 10/7

4:50 pm-9:05 pm

1 stop6h 15m

Eugene

Sat 10/11

6:00 am-4:45 pm

1 stop8h 45m

$261

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Fri 10/10

6:59 pm-10:39 am

2 stops17h 40m

Eugene

Tue 10/14

6:15 am-5:57 pm

2 stops9h 42m

$278

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Sat 9/13

8:25 am-8:10 pm

2 stops13h 45m

Eugene

Thu 9/18

12:00 pm-11:10 pm

2 stops9h 10m

$385

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Thu 7/31

7:32 pm-11:59 pm

1 stop6h 27m

Eugene

Wed 8/6

6:00 am-2:26 pm

1 stop6h 26m

$428

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Wed 6/25

12:15 pm-3:08 pm

3 stops28h 53m

Eugene

Sun 6/29

9:45 pm-8:50 am

3 stops33h 05m

$575

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Tue 6/24

8:30 am-12:40 pm

1 stop6h 10m

$342

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 $486). 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 June 12, 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.

Rainfall in Eugene by month

Plan your trip to Eugene by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Eugene ranges from 0.5 - 7.8 inches per month. December is typically the wettest month, when rainfall can reach 7.8 in. July is typically the driest time to visit Eugene when rainfall is around 0.5 in.

Temperature in Eugene by month

Plan your trip to Eugene by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Eugene, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 39.2 F).

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 12, 2025.
Read through reviews of airlines operating flights from St. Louis to Eugene, such as Alaska Airlines, Southwest and Delta. 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

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

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

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

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
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

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 Alaska Airlines is currently your cheapest option to Eugene, with prices starting at $260. Additional round-trip tickets that might be worth considering are offered by United Airlines and Delta, with the lowest prices starting at $261 and $278, respectively. Users have found that Alaska Airlines is 45% 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, 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 $486). 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 5 airlines flying from St. Louis to Eugene

Discover the top 5 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$281Average$536FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$315Average$525FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$329Average$443FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$331Average$496FlexibilityNo cancel feeOn-time69%
DeltaCheapest$332Average$692FlexibilityNo cancel feeOn-timeN/A

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