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Cheap flights from St. Louis to Eugene from $175

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 9/2. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Eugene

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:45 am - 11:53 amSTL  Lambert-St Louis-EUG Eugene
6h 08m1 stop Salt Lake City
Delta Logo
4:41 pm - 12:44 amEUG  Eugene-STL Lambert-St Louis
6h 03m1 stop Salt Lake City
$247Delta
Tue, Oct 20 - Tue, Oct 27
Delta Logo
7:00 pm - 11:49 pmSTL  Lambert-St Louis-EUG Eugene
6h 49m1 stop Salt Lake City
Delta Logo
5:20 am - 6:15 pmEUG  Eugene-STL Lambert-St Louis
10h 55m2 stops Salt Lake City Atlanta Hartsfield-Jackson
$252Delta
Tue, Oct 20 - Tue, Oct 27
Delta Logo
2:22 pm - 11:59 pmSTL  Lambert-St Louis-EUG Eugene
11h 37m2 stops Salt Lake City Seattle/Tacoma Intl
Delta Logo
5:20 am - 6:15 pmEUG  Eugene-STL Lambert-St Louis
10h 55m2 stops Salt Lake City Atlanta Hartsfield-Jackson
$257Delta
Tue, Oct 20 - Tue, Oct 27
Multiple Airlines Logo
5:19 pm - 2:05 pmSTL  Lambert-St Louis-EUG Eugene
22h 46m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
8:46 pm - 7:15 pmEUG  Eugene-STL Lambert-St Louis
20h 29m2 stops Las Vegas Harry Reid Intl Denver Intl
$339Multiple Airlines
Wed, Oct 21 - Thu, Oct 29
Southwest Logo
7:00 am - 10:35 amSTL  Lambert-St Louis-EUG Eugene
5h 35m1 stop Denver Intl
Southwest Logo
1:40 pm - 9:15 pmEUG  Eugene-STL Lambert-St Louis
5h 35m1 stop Denver Intl
$364Southwest
Tue, Sep 1 - Wed, Sep 9
United Airlines Logo
12:59 pm - 9:17 pmSTL  Lambert-St Louis-EUG Eugene
10h 18m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
12:47 pm - 8:38 pmEUG  Eugene-STL Lambert-St Louis
5h 51m1 stop Denver Intl
$369United Airlines
Tue, Sep 1 - Wed, Sep 9
Southwest Logo
2:45 pm - 10:30 pmSTL  Lambert-St Louis-EUG Eugene
9h 45m2 stops Dallas Love Field Denver Intl
Southwest Logo
12:25 pm - 10:50 pmEUG  Eugene-STL Lambert-St Louis
8h 25m2 stops San Diego Las Vegas Harry Reid Intl
$374Southwest
Tue, Sep 1 - Wed, Sep 9
Southwest Logo
6:30 am - 10:40 amSTL  Lambert-St Louis-EUG Eugene
6h 10m1 stop Denver Intl
Southwest Logo
1:35 pm - 11:10 pmEUG  Eugene-STL Lambert-St Louis
7h 35m1 stop Denver Intl
$379Southwest
Wed, Oct 7 - Tue, Oct 13
United Airlines Logo
8:42 am - 3:36 pmSTL  Lambert-St Louis-EUG Eugene
8h 54m1 stop San Francisco
United Airlines Logo
2:15 pm - 10:59 pmEUG  Eugene-STL Lambert-St Louis
6h 44m1 stop Chicago O'Hare Intl
$383United Airlines
Thu, Sep 10 - Thu, Oct 15
United Airlines Logo
1:36 pm - 8:25 pmSTL  Lambert-St Louis-EUG Eugene
8h 49m2 stops Denver Intl San Francisco
United Airlines Logo
2:15 pm - 10:59 pmEUG  Eugene-STL Lambert-St Louis
6h 44m1 stop Chicago O'Hare Intl
$388United Airlines
Thu, Sep 10 - Thu, Oct 15

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Delta flights from St. Louis to Eugene

Our best Delta deals on St. Louis to Eugene flight tickets
Delta
Oct 20
STL7:45 amLambert-St Louis
6h 08m
1 stop
EUG11:53 amEugene
Oct 27
EUG4:41 pmEugene
6h 03m
1 stop
STL12:44 amLambert-St Louis
$247
Delta
Oct 20
STL7:00 pmLambert-St Louis
6h 49m
1 stop
EUG11:49 pmEugene
Oct 27
EUG5:20 amEugene
10h 55m
2 stops
STL6:15 pmLambert-St Louis
$252
Delta
Oct 20
STL2:22 pmLambert-St Louis
11h 37m
2 stops
EUG11:59 pmEugene
Oct 27
EUG5:20 amEugene
10h 55m
2 stops
STL6:15 pmLambert-St Louis
$257

Southwest flights from St. Louis to Eugene

Our best Southwest deals on St. Louis to Eugene flight tickets
Southwest
Sep 1
STL2:45 pmLambert-St Louis
9h 45m
2 stops
EUG10:30 pmEugene
Sep 9
EUG12:25 pmEugene
8h 25m
2 stops
STL10:50 pmLambert-St Louis
$374
Southwest
Oct 7
STL6:30 amLambert-St Louis
6h 10m
1 stop
EUG10:40 amEugene
Oct 13
EUG1:35 pmEugene
7h 35m
1 stop
STL11:10 pmLambert-St Louis
$379
Southwest
Nov 5
STL4:50 pmLambert-St Louis
8h 45m
2 stops
EUG11:35 pmEugene
Nov 10
EUG5:45 amEugene
7h 35m
1 stop
STL3:20 pmLambert-St Louis
$386

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 10, 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

Cheapest round-trip

St. LouisEugene

STL Lambert-St Louis - EUG Eugene

STLEUG

Lambert-St Louis

Tue 10/20

7:45 am-11:53 am

1 stop6h 08m

Eugene

Tue 10/27

4:41 pm-12:44 am

1 stop6h 03m

$247

St. LouisEugene

STL Lambert-St Louis - EUG Eugene

STLEUG

Lambert-St Louis

Tue 10/20

7:00 pm-11:49 pm

1 stop6h 49m

Eugene

Tue 10/27

5:20 am-6:15 pm

2 stops10h 55m

$252

St. LouisEugene

STL Lambert-St Louis - EUG Eugene

STLEUG

Lambert-St Louis

Tue 10/20

2:22 pm-11:59 pm

2 stops11h 37m

Eugene

Tue 10/27

5:20 am-6:15 pm

2 stops10h 55m

$257

St. LouisEugene

STL Lambert-St Louis - EUG Eugene

STLEUG

Lambert-St Louis

Wed 10/21

5:19 pm-2:05 pm

1 stop22h 46m

Eugene

Thu 10/29

8:46 pm-7:15 pm

2 stops20h 29m

$339
Quickest round-trip

St. LouisEugene

STL Lambert-St Louis - EUG Eugene

STLEUG

Lambert-St Louis

Tue 9/1

7:00 am-10:35 am

1 stop5h 35m

Eugene

Wed 9/9

1:40 pm-9:15 pm

1 stop5h 35m

$364

St. LouisEugene

STL Lambert-St Louis - EUG Eugene

STLEUG

Lambert-St Louis

Tue 9/1

12:59 pm-9:17 pm

2 stops10h 18m

Eugene

Wed 9/9

12:47 pm-8:38 pm

1 stop5h 51m

$369

St. LouisEugene

STL Lambert-St Louis - EUG Eugene

STLEUG

Lambert-St Louis

Tue 9/1

2:45 pm-10:30 pm

2 stops9h 45m

Eugene

Wed 9/9

12:25 pm-10:50 pm

2 stops8h 25m

$374

St. LouisEugene

STL Lambert-St Louis - EUG Eugene

STLEUG

Lambert-St Louis

Wed 10/7

6:30 am-10:40 am

1 stop6h 10m

Eugene

Tue 10/13

1:35 pm-11:10 pm

1 stop7h 35m

$379

St. LouisEugene

STL Lambert-St Louis - EUG Eugene

STLEUG

Lambert-St Louis

Thu 9/10

8:42 am-3:36 pm

1 stop8h 54m

Eugene

Thu 10/15

2:15 pm-10:59 pm

1 stop6h 44m

$383

St. LouisEugene

STL Lambert-St Louis - EUG Eugene

STLEUG

Lambert-St Louis

Thu 9/10

1:36 pm-8:25 pm

2 stops8h 49m

Eugene

Thu 10/15

2:15 pm-10:59 pm

1 stop6h 44m

$388

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 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 September to fly from St. Louis, when ticket prices are also cheap, with an average price of $378.

Can stopping save me money on St. Louis to Eugene flights?

You could potentially save up to 4% on your flight if you consider stops on a St. Louis to Eugene flight.

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 08m

Direct flights

None
The fastest flight from St. Louis to Eugene takes 6h 08m
There are no direct flights from St. Louis to Eugene. There are no popular flight routes from St. Louis to Eugene.
Search flight deals

Frequently asked questions about flying from St. Louis to Eugene

  • 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 08m 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
United AirlinesPriceFrom $336Free CancellationRating
7.4
10,099 reviews
Search United Airlines flights
SouthwestPriceFrom $348Free CancellationRating
8.0
4,214 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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