Cheap flights from St. Louis to Eugene from $157

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 8/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Delta Logo
6:00 am - 3:19 pmSTL-EUG
11h 19m2 stops
Delta Logo
6:30 am - 6:02 pmEUG-STL
9h 32m2 stops
$274Delta
Find Deal
Tue, Sep 23 - Tue, Sep 30
Delta Logo
2:31 pm - 10:42 pmSTL-EUG
10h 11m2 stops
Delta Logo
5:20 am - 1:44 pmEUG-STL
6h 24m1 stop
$323Delta
Find Deal
Wed, Sep 17 - Sat, Sep 20
Hawaiian Airlines Logo
6:00 am - 12:42 pmSTL-EUG
8h 42m1 stop
Hawaiian Airlines Logo
6:00 am - 2:39 pmEUG-STL
6h 39m1 stop
$332Hawaiian Airlines
Find Deal
Wed, Sep 17 - Sat, Sep 20
Alaska Airlines Logo
4:14 pm - 9:10 pmSTL-EUG
6h 56m1 stop
Alaska Airlines Logo
8:41 am - 11:59 pmEUG-STL
13h 18m1 stop
$333Alaska Airlines
Find Deal
Thu, Nov 13 - Sun, Nov 16
United Airlines Logo
5:49 pm - 10:50 pmSTL-EUG
7h 01m1 stop
United Airlines Logo
1:08 pm - 11:53 pmEUG-STL
8h 45m1 stop
$348United Airlines
Find Deal
Fri, Aug 29 - Fri, Sep 5
United Airlines Logo
5:49 pm - 10:50 pmSTL-EUG
7h 01m1 stop
United Airlines Logo
5:00 am - 6:23 pmEUG-STL
11h 23m2 stops
$353United Airlines
Find Deal
Fri, Aug 29 - Fri, Sep 5
Southwest Logo
5:30 am - 12:50 pmSTL-EUG
9h 20m2 stops
Southwest Logo
6:20 am - 7:15 pmEUG-STL
10h 55m1 stop
$354Southwest
Find Deal
Thu, Nov 13 - Sun, Nov 16
Southwest Logo
5:30 am - 12:50 pmSTL-EUG
9h 20m2 stops
Southwest Logo
1:25 pm - 12:20 amEUG-STL
8h 55m2 stops
$384Southwest
Find Deal
Thu, Nov 13 - Sun, Nov 16
Alaska Airlines Logo
4:14 pm - 9:10 pmSTL-EUG
6h 56m1 stop
Alaska Airlines Logo
5:54 am - 3:12 pmEUG-STL
7h 18m1 stop
$389Alaska Airlines
Find Deal
Thu, Nov 20 - Sun, Nov 23
Alaska Airlines Logo
4:14 pm - 9:10 pmSTL-EUG
6h 56m1 stop
Alaska Airlines Logo
5:20 am - 11:59 pmEUG-STL
16h 39m2 stops
$399Alaska Airlines
Find Deal
Thu, Nov 13 - Sun, Nov 16

Delta flights from St. Louis to Eugene

Our best Delta deals on St. Louis to Eugene flight tickets
Delta
Sep 23
STL6:00 amLambert-St Louis
11h 19m
2 stops
EUG3:19 pmEugene
Sep 30
EUG6:30 amEugene
9h 32m
2 stops
STL6:02 pmLambert-St Louis
Delta
Sep 17
STL2:31 pmLambert-St Louis
10h 11m
2 stops
EUG10:42 pmEugene
Sep 20
EUG5:20 amEugene
6h 24m
1 stop
STL1:44 pmLambert-St Louis

Alaska Airlines flights from St. Louis to Eugene

Our best Alaska Airlines deals on St. Louis to Eugene flight tickets
Alaska Airlines
Nov 13
STL4:14 pmLambert-St Louis
6h 56m
1 stop
EUG9:10 pmEugene
Nov 16
EUG8:41 amEugene
13h 18m
1 stop
STL11:59 pmLambert-St Louis
Alaska Airlines
Nov 20
STL4:14 pmLambert-St Louis
6h 56m
1 stop
EUG9:10 pmEugene
Nov 23
EUG5:54 amEugene
7h 18m
1 stop
STL3:12 pmLambert-St Louis
Alaska Airlines
Nov 13
STL4:14 pmLambert-St Louis
6h 56m
1 stop
EUG9:10 pmEugene
Nov 16
EUG5:20 amEugene
16h 39m
2 stops
STL11:59 pmLambert-St Louis

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 August 2, 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 9/23

6:00 am-3:19 pm

2 stops11h 19m

Eugene

Tue 9/30

6:30 am-6:02 pm

2 stops9h 32m

$274

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Wed 9/17

2:31 pm-10:42 pm

2 stops10h 11m

Eugene

Sat 9/20

5:20 am-1:44 pm

1 stop6h 24m

$323

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Wed 9/17

6:00 am-12:42 pm

1 stop8h 42m

Eugene

Sat 9/20

6:00 am-2:39 pm

1 stop6h 39m

$332

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Thu 11/13

4:14 pm-9:10 pm

1 stop6h 56m

Eugene

Sun 11/16

8:41 am-11:59 pm

1 stop13h 18m

$333

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Fri 8/29

5:49 pm-10:50 pm

1 stop7h 01m

Eugene

Fri 9/5

1:08 pm-11:53 pm

1 stop8h 45m

$348

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Fri 8/29

5:49 pm-10:50 pm

1 stop7h 01m

Eugene

Fri 9/5

5:00 am-6:23 pm

2 stops11h 23m

$353

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Thu 11/13

5:30 am-12:50 pm

2 stops9h 20m

Eugene

Sun 11/16

6:20 am-7:15 pm

1 stop10h 55m

$354

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Thu 11/13

5:30 am-12:50 pm

2 stops9h 20m

Eugene

Sun 11/16

1:25 pm-12:20 am

2 stops8h 55m

$384

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Thu 11/20

4:14 pm-9:10 pm

1 stop6h 56m

Eugene

Sun 11/23

5:54 am-3:12 pm

1 stop7h 18m

$389

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Thu 11/13

4:14 pm-9:10 pm

1 stop6h 56m

Eugene

Sun 11/16

5:20 am-11:59 pm

2 stops16h 39m

$399

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, January 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 $351. If you don’t want to visit Eugene in January, 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.

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

Best Price Found

$157

Fastest flight time

6h 01m

Direct flights

None

Airports in Eugene

1 airport
The best one-way flight to Eugene from St. Louis in the past 72 hours is $157. The best round-trip flight deal from St. Louis to Eugene found on momondo in the last 72 hours is $274.
The fastest flight from St. Louis to Eugene takes 6h 01m
There are no direct flights from St. Louis to Eugene. Popular non-direct route for this connection is Lambert-St Louis Airport - Eugene Airport.
There is 1 airport near Eugene: Eugene (EUG)

  • 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 56m 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
American AirlinesPriceFrom $281Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $329Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
United AirlinesPriceFrom $331Free CancellationRating
7.4
8,904 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $361Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

Traveling to a place near Eugene?

Book flights to Eugene if you plan to visit one of these locations
Newport
Yachats
Springfield
Albany
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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1 adult
Thu 8/7
Thu 8/14

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