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Cheap flights from St. Louis to Eugene from $139

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Eugene departing on 3/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from St. Louis to Eugene

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:12 pm - 10:46 pm
STL
-
EUG
6h 34m
1 stop
Delta Logo
12:40 pm - 9:31 pm
EUG
-
STL
6h 51m
1 stop
$277Delta
Tue, Mar 10 - Sat, Mar 14
Delta Logo
7:00 am - 10:55 pm
STL
-
EUG
17h 55m
2 stops
Delta Logo
12:40 pm - 9:31 pm
EUG
-
STL
6h 51m
1 stop
$281Delta
Thu, Mar 5 - Sat, Mar 14
Delta Logo
7:15 am - 5:09 pm
STL
-
EUG
11h 54m
2 stops
Delta Logo
12:40 pm - 9:31 pm
EUG
-
STL
6h 51m
1 stop
$282Delta
Tue, Mar 10 - Sat, Mar 14
Delta Logo
7:00 am - 10:55 pm
STL
-
EUG
17h 55m
2 stops
Delta Logo
6:08 am - 12:21 am
EUG
-
STL
16h 13m
2 stops
$286Delta
Thu, Mar 5 - Sun, Mar 15
United Airlines Logo
5:15 am - 12:15 pm
STL
-
EUG
9h 00m
2 stops
United Airlines Logo
6:00 am - 8:41 pm
EUG
-
STL
12h 41m
2 stops
$288United Airlines
Tue, Mar 10 - Wed, Mar 11
Delta Logo
6:12 pm - 10:46 pm
STL
-
EUG
6h 34m
1 stop
Delta Logo
6:10 am - 12:21 am
EUG
-
STL
16h 11m
2 stops
$296Delta
Tue, Mar 10 - Thu, Mar 12
Alaska Airlines Logo
7:00 am - 12:52 pm
STL
-
EUG
7h 52m
1 stop
Alaska Airlines Logo
9:01 am - 1:51 pm
EUG
-
STL
26h 50m
1 stop
$300Alaska Airlines
Tue, Mar 10 - Mon, Mar 16
Delta Logo
7:15 am - 5:09 pm
STL
-
EUG
11h 54m
2 stops
Delta Logo
6:08 am - 12:21 am
EUG
-
STL
16h 13m
2 stops
$301Delta
Tue, Mar 10 - Mon, Mar 16
Delta Logo
7:00 am - 4:30 pm
STL
-
EUG
11h 30m
2 stops
Delta Logo
6:08 am - 5:05 pm
EUG
-
STL
8h 57m
2 stops
$310Delta
Thu, Mar 5 - Tue, Mar 17
Delta Logo
7:00 am - 11:50 am
STL
-
EUG
6h 50m
1 stop
Delta Logo
12:40 pm - 9:31 pm
EUG
-
STL
6h 51m
1 stop
$315Delta
Thu, Mar 5 - Sat, Mar 14

Alaska Airlines flights from St. Louis to Eugene

Our best Alaska Airlines deals on St. Louis to Eugene flight tickets
Alaska Airlines
Mar 10
STL7:00 amLambert-St Louis
7h 52m
1 stop
EUG12:52 pmEugene
Mar 10
EUG3:07 pmEugene
20h 44m
1 stop
STL1:51 pmLambert-St Louis
$277
Alaska Airlines
Mar 10
STL7:00 amLambert-St Louis
7h 52m
1 stop
EUG12:52 pmEugene
Mar 16
EUG9:01 amEugene
26h 50m
1 stop
STL1:51 pmLambert-St Louis
$300
Alaska Airlines
Mar 10
STL7:00 amLambert-St Louis
7h 52m
1 stop
EUG12:52 pmEugene
Mar 15
EUG9:01 amEugene
26h 50m
1 stop
STL1:51 pmLambert-St Louis
$330

Southwest flights from St. Louis to Eugene

Our best Southwest deals on St. Louis to Eugene flight tickets
Southwest
Mar 26
STL6:15 amLambert-St Louis
5h 55m
1 stop
EUG10:10 amEugene
Apr 1
EUG6:10 amEugene
7h 15m
1 stop
STL3:25 pmLambert-St Louis
$335
Southwest
Mar 25
STL6:20 amLambert-St Louis
8h 30m
2 stops
EUG12:50 pmEugene
Mar 31
EUG10:45 amEugene
8h 30m
2 stops
STL9:15 pmLambert-St Louis
$362

momondo 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, momondo users made 832,500 searches. Data last updated February 13, 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

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Tue 3/10

6:12 pm-10:46 pm

1 stop6h 34m

Eugene

Sat 3/14

12:40 pm-9:31 pm

1 stop6h 51m

$277

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Thu 3/5

7:00 am-10:55 pm

2 stops17h 55m

Eugene

Sat 3/14

12:40 pm-9:31 pm

1 stop6h 51m

$281

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Tue 3/10

7:15 am-5:09 pm

2 stops11h 54m

Eugene

Sat 3/14

12:40 pm-9:31 pm

1 stop6h 51m

$282

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Thu 3/5

7:00 am-10:55 pm

2 stops17h 55m

Eugene

Sun 3/15

6:08 am-12:21 am

2 stops16h 13m

$286

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Tue 3/10

5:15 am-12:15 pm

2 stops9h 00m

Eugene

Wed 3/11

6:00 am-8:41 pm

2 stops12h 41m

$288

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Tue 3/10

6:12 pm-10:46 pm

1 stop6h 34m

Eugene

Thu 3/12

6:10 am-12:21 am

2 stops16h 11m

$296

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Tue 3/10

7:00 am-12:52 pm

1 stop7h 52m

Eugene

Mon 3/16

9:01 am-1:51 pm

1 stop26h 50m

$300

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Tue 3/10

7:15 am-5:09 pm

2 stops11h 54m

Eugene

Mon 3/16

6:08 am-12:21 am

2 stops16h 13m

$301

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Thu 3/5

7:00 am-4:30 pm

2 stops11h 30m

Eugene

Tue 3/17

6:08 am-5:05 pm

2 stops8h 57m

$310

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Thu 3/5

7:00 am-11:50 am

1 stop6h 50m

Eugene

Sat 3/14

12:40 pm-9:31 pm

1 stop6h 51m

$315

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from St. Louis to Eugene

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between St. Louis and Eugene?

How have St. Louis to Eugene flight prices changed over time?

When to book flights from St. Louis to Eugene

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Eugene according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Eugene (STL to EUG) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Eugene

Fastest flight time

6h 30m

Direct flights

None
The fastest flight from St. Louis to Eugene takes 6h 30m
There are no direct flights from St. Louis to Eugene. There are no popular flight routes from St. Louis to Eugene.
Search flight deals

  • How far is Lambert-St Louis to Eugene by plane?

    The distance between Lambert-St Louis and Eugene is about 1733.4 mi. Typically, this will take 6h 30m by plane in normal conditions.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Eugene Airport?

    Prices for flights from Lambert-St Louis Airport to Eugene Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Eugene Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Eugene Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Eugene Airport.

  • What documentation or ID do you need to fly to Eugene Airport?

    The necessary travel and health documents for your Eugene Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. Louis to Eugene?

Best airlines flying from St. Louis to Eugene

Compare and see reviews for airlines that fly from St. Louis to Eugene with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $312Free CancellationRating
8.0
11,878 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $332Free CancellationRating
7.4
9,284 reviews
Search United Airlines flights
SouthwestPriceFrom $353Free CancellationRating
8.0
4,283 reviews
Search Southwest flights

Traveling to a place near Eugene?

Book flights to Eugene if you plan to visit one of these locations
Newport
Yachats
Springfield
Corvallis
Albany

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Eugene?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Eugene. momondo saves you time and could save you money on your trip.

Can I find flights from St. Louis to Eugene with flexible booking policies on momondo?

Yes. All flights to Eugene from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from St. Louis to Eugene?

momondo helps you find the best flight between St. Louis and Eugene by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from St. Louis to Eugene right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Eugene, momondo offers a useful price alert feature which will track prices for flights to Eugene from St. Louis and alert you when they change.

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