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Cheap flights from St. Louis to Eugene from $207

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 6/1. 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
7:00 am - 4:30 pm
STL
-
EUG
11h 30m2 stops
Delta Logo
11:40 am - 12:21 am
EUG
-
STL
10h 41m2 stops
$307Delta
Tue, Mar 3 - Sun, Mar 8
Alaska Airlines Logo
6:19 pm - 1:08 pm
STL
-
EUG
20h 49m1 stop
Alaska Airlines Logo
3:02 pm - 1:54 pm
EUG
-
STL
20h 52m1 stop
$333Alaska Airlines
Sat, Jan 17 - Wed, Jan 21
American Airlines Logo
7:27 am - 2:31 pm
STL
-
EUG
9h 04m1 stop
American Airlines Logo
3:18 pm - 11:59 pm
EUG
-
STL
6h 41m1 stop
$335American Airlines
Sun, Jan 18 - Sun, Jan 25
United Airlines Logo
8:30 am - 9:10 pm
STL
-
EUG
14h 40m2 stops
United Airlines Logo
1:10 pm - 8:58 pm
EUG
-
STL
5h 48m1 stop
$340United Airlines
Sun, Jan 18 - Sun, Jan 25
Alaska Airlines Logo
6:19 pm - 1:08 pm
STL
-
EUG
20h 49m1 stop
Alaska Airlines Logo
3:56 pm - 1:54 pm
EUG
-
STL
19h 58m2 stops
$350Alaska Airlines
Sat, Jan 17 - Wed, Jan 21
Delta Logo
7:00 am - 11:50 am
STL
-
EUG
6h 50m1 stop
Delta Logo
11:40 am - 12:21 am
EUG
-
STL
10h 41m2 stops
$359Delta
Tue, Mar 3 - Sun, Mar 8
United Airlines Logo
11:20 am - 11:09 pm
STL
-
EUG
13h 49m2 stops
United Airlines Logo
6:00 am - 5:43 pm
EUG
-
STL
9h 43m2 stops
$415United Airlines
Sat, Jan 17 - Wed, Jan 21
Delta Logo
7:00 am - 11:54 am
STL
-
EUG
6h 54m1 stop
Delta Logo
11:30 am - 9:35 pm
EUG
-
STL
8h 05m2 stops
$420Delta
Mon, Jan 5 - Wed, Jan 14
Southwest Logo
6:20 am - 1:50 pm
STL
-
EUG
9h 30m2 stops
Southwest Logo
6:15 am - 7:05 pm
EUG
-
STL
10h 50m2 stops
$443Southwest
Sun, Jan 18 - Sun, Jan 25
Alaska Airlines Logo
5:26 pm - 12:22 am
STL
-
EUG
8h 56m1 stop
Alaska Airlines Logo
1:36 pm - 1:54 pm
EUG
-
STL
22h 18m1 stop
$444Alaska Airlines
Mon, Jan 5 - Wed, Jan 14

Delta flights from St. Louis to Eugene

Our best Delta deals on St. Louis to Eugene flight tickets
Delta
Mar 3
STL7:00 amLambert-St Louis
11h 30m
2 stops
EUG4:30 pmEugene
Mar 8
EUG11:40 amEugene
10h 41m
2 stops
STL12:21 amLambert-St Louis
$307
Find similar
Delta
Mar 3
STL7:00 amLambert-St Louis
6h 50m
1 stop
EUG11:50 amEugene
Mar 8
EUG11:40 amEugene
10h 41m
2 stops
STL12:21 amLambert-St Louis
$359
Find similar
Delta
Jan 5
STL7:00 amLambert-St Louis
6h 54m
1 stop
EUG11:54 amEugene
Jan 14
EUG11:30 amEugene
8h 05m
2 stops
STL9:35 pmLambert-St Louis
$420
Find similar

Alaska Airlines flights from St. Louis to Eugene

Our best Alaska Airlines deals on St. Louis to Eugene flight tickets
Alaska Airlines
Jan 17
STL6:19 pmLambert-St Louis
20h 49m
1 stop
EUG1:08 pmEugene
Jan 21
EUG3:02 pmEugene
20h 52m
1 stop
STL1:54 pmLambert-St Louis
$333
Find similar
Alaska Airlines
Jan 17
STL6:19 pmLambert-St Louis
20h 49m
1 stop
EUG1:08 pmEugene
Jan 21
EUG3:56 pmEugene
19h 58m
2 stops
STL1:54 pmLambert-St Louis
$350
Find similar
Alaska Airlines
Jan 5
STL5:26 pmLambert-St Louis
8h 56m
1 stop
EUG12:22 amEugene
Jan 14
EUG1:36 pmEugene
22h 18m
1 stop
STL1:54 pmLambert-St Louis
$444
Find similar

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 December 23, 2025.
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 3/3

7:00 am-4:30 pm

2 stops11h 30m

Eugene

Sun 3/8

11:40 am-12:21 am

2 stops10h 41m

$307

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Sat 1/17

6:19 pm-1:08 pm

1 stop20h 49m

Eugene

Wed 1/21

3:02 pm-1:54 pm

1 stop20h 52m

$333

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Sun 1/18

7:27 am-2:31 pm

1 stop9h 04m

Eugene

Sun 1/25

3:18 pm-11:59 pm

1 stop6h 41m

$335

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Sun 1/18

8:30 am-9:10 pm

2 stops14h 40m

Eugene

Sun 1/25

1:10 pm-8:58 pm

1 stop5h 48m

$340

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Sat 1/17

6:19 pm-1:08 pm

1 stop20h 49m

Eugene

Wed 1/21

3:56 pm-1:54 pm

2 stops19h 58m

$350

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Tue 3/3

7:00 am-11:50 am

1 stop6h 50m

Eugene

Sun 3/8

11:40 am-12:21 am

2 stops10h 41m

$359

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Sat 1/17

11:20 am-11:09 pm

2 stops13h 49m

Eugene

Wed 1/21

6:00 am-5:43 pm

2 stops9h 43m

$415

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Mon 1/5

7:00 am-11:54 am

1 stop6h 54m

Eugene

Wed 1/14

11:30 am-9:35 pm

2 stops8h 05m

$420

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Sun 1/18

6:20 am-1:50 pm

2 stops9h 30m

Eugene

Sun 1/25

6:15 am-7:05 pm

2 stops10h 50m

$443

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Mon 1/5

5:26 pm-12:22 am

1 stop8h 56m

Eugene

Wed 1/14

1:36 pm-1:54 pm

1 stop22h 18m

$444

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Eugene from

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?

What is the cheapest month to fly to Eugene?

In general, December is the cheapest month to fly from St. Louis to Eugene. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $369. If you don’t want to visit Eugene in December, then you should wait until March to fly from St. Louis, when ticket prices are also cheap, with an average price of $384.

What is the cheapest day to depart on your flight to Eugene?

According to our data, Saturday is the cheapest day to fly to Eugene from St. Louis. The lowest ticket price found for a Saturday departure recently was $417. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Eugene is Friday, with ticket prices averaging around $601.

What is the cheapest time of day to depart on your flight to Eugene?

Flying to Eugene from St. Louis in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $482 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $552 on average. Flights to Eugene from St. Louis in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 54m

Direct flights

None
The fastest flight from St. Louis to Eugene takes 6h 54m
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 54m 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
11,510 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $331Free CancellationRating
7.4
9,105 reviews
Search United Airlines flights
SouthwestPriceFrom $353Free CancellationRating
8.0
4,253 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
Albany
Springfield
Corvallis

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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