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Cheap flights from St. Louis to Eugene from $205

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 10/20. 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.
United Airlines Logo
6:00 am - 11:37 am
STL
-
EUG
7h 37m
1 stop
United Airlines Logo
12:38 pm - 9:30 pm
EUG
-
STL
6h 52mnonstop
$352United Airlines
Sat, May 30 - Wed, Jun 3
Delta Logo
5:00 pm - 10:31 pm
STL
-
EUG
7h 31m
1 stop
Delta Logo
5:10 am - 1:32 pm
EUG
-
STL
6h 22m
1 stop
$357Delta
Sat, May 30 - Wed, Jun 3
United Airlines Logo
10:25 am - 5:56 pm
STL
-
EUG
9h 31m
2 stops
United Airlines Logo
12:38 pm - 11:29 pm
EUG
-
STL
8h 51m
1 stop
$362United Airlines
Sat, May 30 - Wed, Jun 3
Delta Logo
5:00 pm - 10:31 pm
STL
-
EUG
7h 31m
1 stop
Delta Logo
6:15 am - 7:03 pm
EUG
-
STL
10h 48m
2 stops
$372Delta
Sat, May 30 - Wed, Jun 3
Alaska Airlines Logo
5:33 pm - 11:31 am
STL
-
EUG
19h 58m
1 stop
Alaska Airlines Logo
1:45 pm - 11:54 pm
EUG
-
STL
8h 09m
1 stop
$391Alaska Airlines
Fri, May 29 - Tue, Jun 2
American Airlines Logo
8:00 am - 1:06 pm
STL
-
EUG
7h 06m
1 stop
American Airlines Logo
6:29 am - 5:34 pm
EUG
-
STL
9h 05m
1 stop
$392American Airlines
Fri, May 29 - Tue, Jun 2
Southwest Logo
1:45 pm - 10:40 pm
STL
-
EUG
10h 55m
2 stops
Southwest Logo
11:20 am - 9:45 pm
EUG
-
STL
8h 25m
2 stops
$396Southwest
Sat, May 30 - Wed, Jun 3
Delta Logo
7:00 am - 5:01 pm
STL
-
EUG
12h 01m
2 stops
Delta Logo
5:10 am - 4:46 pm
EUG
-
STL
9h 36m
2 stops
$402Delta
Fri, May 29 - Tue, Jun 2
Delta Logo
7:00 am - 5:01 pm
STL
-
EUG
12h 01m
2 stops
Delta Logo
6:15 am - 7:03 pm
EUG
-
STL
10h 48m
2 stops
$407Delta
Fri, May 29 - Tue, Jun 2
Alaska Airlines Logo
7:00 am - 1:12 pm
STL
-
EUG
8h 12m
1 stop
Alaska Airlines Logo
9:55 am - 11:59 pm
EUG
-
STL
12h 04m
1 stop
$411Alaska Airlines
Tue, Oct 20 - Tue, Oct 27

Delta flights from St. Louis to Eugene

Our best Delta deals on St. Louis to Eugene flight tickets
Delta
May 30
STL5:00 pmLambert-St Louis
7h 31m
1 stop
EUG10:31 pmEugene
Jun 3
EUG5:10 amEugene
6h 22m
1 stop
STL1:32 pmLambert-St Louis
$357
Delta
May 30
STL5:00 pmLambert-St Louis
7h 31m
1 stop
EUG10:31 pmEugene
Jun 3
EUG6:15 amEugene
10h 48m
2 stops
STL7:03 pmLambert-St Louis
$372
Delta
May 29
STL7:00 amLambert-St Louis
12h 01m
2 stops
EUG5:01 pmEugene
Jun 2
EUG5:10 amEugene
9h 36m
2 stops
STL4:46 pmLambert-St Louis
$402

Alaska Airlines flights from St. Louis to Eugene

Our best Alaska Airlines deals on St. Louis to Eugene flight tickets
Alaska Airlines
May 29
STL5:33 pmLambert-St Louis
19h 58m
1 stop
EUG11:31 amEugene
Jun 2
EUG1:45 pmEugene
8h 09m
1 stop
STL11:54 pmLambert-St Louis
$391
Alaska Airlines
Oct 20
STL7:00 amLambert-St Louis
8h 12m
1 stop
EUG1:12 pmEugene
Oct 27
EUG9:55 amEugene
12h 04m
1 stop
STL11:59 pmLambert-St Louis
$411
Alaska Airlines
May 27
STL6:00 amLambert-St Louis
9h 08m
1 stop
EUG1:08 pmEugene
Jun 1
EUG4:00 pmEugene
22h 37m
1 stop
STL4:37 pmLambert-St Louis
$427

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 May 12, 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 - EUG

STLEUG

Lambert-St Louis

Sat 5/30

6:00 am-11:37 am

1 stop7h 37m

Eugene

Wed 6/3

12:38 pm-9:30 pm

Nonstop6h 52m

$352
Quickest round-trip

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Sat 5/30

5:00 pm-10:31 pm

1 stop7h 31m

Eugene

Wed 6/3

5:10 am-1:32 pm

1 stop6h 22m

$357

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Sat 5/30

10:25 am-5:56 pm

2 stops9h 31m

Eugene

Wed 6/3

12:38 pm-11:29 pm

1 stop8h 51m

$362

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Sat 5/30

5:00 pm-10:31 pm

1 stop7h 31m

Eugene

Wed 6/3

6:15 am-7:03 pm

2 stops10h 48m

$372

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Fri 5/29

5:33 pm-11:31 am

1 stop19h 58m

Eugene

Tue 6/2

1:45 pm-11:54 pm

1 stop8h 09m

$391

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Fri 5/29

8:00 am-1:06 pm

1 stop7h 06m

Eugene

Tue 6/2

6:29 am-5:34 pm

1 stop9h 05m

$392

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Sat 5/30

1:45 pm-10:40 pm

2 stops10h 55m

Eugene

Wed 6/3

11:20 am-9:45 pm

2 stops8h 25m

$396

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Fri 5/29

7:00 am-5:01 pm

2 stops12h 01m

Eugene

Tue 6/2

5:10 am-4:46 pm

2 stops9h 36m

$402

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Fri 5/29

7:00 am-5:01 pm

2 stops12h 01m

Eugene

Tue 6/2

6:15 am-7:03 pm

2 stops10h 48m

$407

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Tue 10/20

7:00 am-1:12 pm

1 stop8h 12m

Eugene

Tue 10/27

9:55 am-11:59 pm

1 stop12h 04m

$411

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 $353. 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 $399.

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

You could potentially save up to 5% 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

5h 58m

Direct flights

None
The fastest flight from St. Louis to Eugene takes 5h 58m
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 5h 58m 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
9,706 reviews
Search United Airlines flights
SouthwestPriceFrom $353Free CancellationRating
7.9
4,296 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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