What is the cheapest airline that flies from Lambert-St Louis to Eugene?

Hawaiian Airlines, American Airlines, and Delta are the most popular carriers operating from Lambert-St Louis to Eugene

What airlines fly to Eugene?

American Airlines, United Airlines and Alaska Airlines are the top three most popular airlines that fly to Eugene from St. Louis according to our data. American Airlines is the first choice among our users, with 27% of people opting to fly with this airline when traveling to Eugene. Keep in mind that there are 5 different airlines that fly to Eugene on a routine basis, so you have a few additional options to choose from.

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?

As of September 2025, there are 4 operators available to choose from 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.

$177 Cheap Flights from St. Louis to Eugene in 2025/26

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Find the cheapest flights from St. Louis to Eugene

Round-trip

One-way

Last minute

Cheap round-trip flights

4:14 pm - 9:10 pmSTL-EUG

6h 56m1 stop

8:41 am - 11:59 pmEUG-STL

13h 18m1 stop

$331Alaska Airlines

Find Deal

Thu, Nov 13 - Sun, Nov 16

7:31 am - 1:32 pmSTL-EUG

8h 01m1 stop

5:30 am - 1:40 pmEUG-STL

6h 10m1 stop

$337American Airlines

Find Deal

Wed, Oct 29 - Wed, Nov 5

7:00 am - 11:45 amSTL-EUG

6h 45m1 stop

11:40 am - 11:10 pmEUG-STL

9h 30m2 stops

$342Southwest

Find Deal

Wed, Oct 29 - Wed, Nov 5

2:45 pm - 9:30 pmSTL-EUG

8h 45m2 stops

11:40 am - 11:10 pmEUG-STL

9h 30m2 stops

$347Southwest

Find Deal

Wed, Oct 29 - Wed, Nov 5

7:00 am - 3:13 pmSTL-EUG

10h 13m2 stops

5:30 pm - 1:52 pmEUG-STL

18h 22m1 stop

$352Alaska Airlines

Find Deal

Sat, Feb 21 - Mon, Feb 23

6:23 pm - 11:36 pmSTL-EUG

7h 13m1 stop

2:50 pm - 11:57 pmEUG-STL

7h 07m1 stop

$353American Airlines

Find Deal

Mon, Oct 13 - Mon, Oct 20

7:00 am - 12:37 pmSTL-EUG

7h 37m1 stop

1:25 pm - 11:56 pmEUG-STL

8h 31m1 stop

$358Hawaiian Airlines

Find Deal

Sat, Feb 21 - Mon, Feb 23

9:00 am - 3:16 pmSTL-EUG

8h 16m1 stop

6:47 pm - 10:49 amEUG-STL

14h 02m2 stops

$391United Airlines

Find Deal

Mon, Oct 13 - Mon, Oct 20

9:00 am - 12:55 pmSTL-EUG

5h 55m1 stop

6:47 pm - 10:49 amEUG-STL

14h 02m2 stops

$481United Airlines

Find Deal

Mon, Oct 13 - Mon, Oct 20

3:35 pm - 10:48 pmSTL-EUG

9h 13m1 stop

6:00 am - 2:39 pmEUG-STL

6h 39m1 stop

$629Hawaiian Airlines

Find Deal

Fri, Sep 26 - Mon, Sep 29

American Airlines flights from St. Louis to Eugene

Our best American Airlines deals on St. Louis to Eugene flight tickets

American Airlines

Oct 29

STL7:31 amLambert-St Louis

8h 01m

1 stop

EUG1:32 pmEugene

Nov 5

EUG5:30 amEugene

6h 10m

1 stop

STL1:40 pmLambert-St Louis

$337

Find similar

American Airlines

Oct 13

STL6:23 pmLambert-St Louis

7h 13m

1 stop

EUG11:36 pmEugene

Oct 20

EUG2:50 pmEugene

7h 07m

1 stop

STL11:57 pmLambert-St Louis

$353

Find similar

American Airlines

Oct 13

STL6:23 pmLambert-St Louis

7h 13m

1 stop

EUG11:36 pmEugene

Oct 20

EUG2:50 pmEugene

7h 07m

1 stop

STL11:57 pmLambert-St Louis

$386

Find similar

Southwest flights from St. Louis to Eugene

Our best Southwest deals on St. Louis to Eugene flight tickets

Southwest

Oct 29

STL7:00 amLambert-St Louis

6h 45m

1 stop

EUG11:45 amEugene

Nov 5

EUG11:40 amEugene

9h 30m

2 stops

STL11:10 pmLambert-St Louis

$342

Find similar

Southwest

Oct 29

STL2:45 pmLambert-St Louis

8h 45m

2 stops

EUG9:30 pmEugene

Nov 5

EUG11:40 amEugene

9h 30m

2 stops

STL11:10 pmLambert-St Louis

$347

Find similar

Southwest

Feb 21

STL2:35 pmLambert-St Louis

11h 15m

2 stops

EUG11:50 pmEugene

Feb 23

EUG6:15 amEugene

10h 50m

2 stops

STL7:05 pmLambert-St Louis

$383

Find similar

Fly from

Fly to

Route

Depart

Return

Price

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

$331

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Wed 10/29

7:31 am-1:32 pm

1 stop8h 01m

Eugene

Wed 11/5

5:30 am-1:40 pm

1 stop6h 10m

$337

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Wed 10/29

7:00 am-11:45 am

1 stop6h 45m

Eugene

Wed 11/5

11:40 am-11:10 pm

2 stops9h 30m

$342

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Wed 10/29

2:45 pm-9:30 pm

2 stops8h 45m

Eugene

Wed 11/5

11:40 am-11:10 pm

2 stops9h 30m

$347

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Sat 2/21

7:00 am-3:13 pm

2 stops10h 13m

Eugene

Mon 2/23

5:30 pm-1:52 pm

1 stop18h 22m

$352

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Mon 10/13

6:23 pm-11:36 pm

1 stop7h 13m

Eugene

Mon 10/20

2:50 pm-11:57 pm

1 stop7h 07m

$353

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Sat 2/21

7:00 am-12:37 pm

1 stop7h 37m

Eugene

Mon 2/23

1:25 pm-11:56 pm

1 stop8h 31m

$358

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Mon 10/13

9:00 am-3:16 pm

1 stop8h 16m

Eugene

Mon 10/20

6:47 pm-10:49 am

2 stops14h 02m

$391

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Mon 10/13

9:00 am-12:55 pm

1 stop5h 55m

Eugene

Mon 10/20

6:47 pm-10:49 am

2 stops14h 02m

$481

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Fri 9/26

3:35 pm-10:48 pm

1 stop9h 13m

Eugene

Mon 9/29

6:00 am-2:39 pm

1 stop6h 39m

$629

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest month to fly to Eugene?

In general, October 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 $329. If you don’t want to visit Eugene in October, then you should wait until January to fly from St. Louis, when ticket prices are also cheap, with an average price of $351.

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

Direct flights	None

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 5h 55m 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?
As of September 2025, there are 4 operators available to choose from 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?
Based on momondo bookings for flights between St. Louis and Eugene, the leading airline is Southwest, making up 33% of the total bookings. Other popular airlines include American Airlines with 25%, Alaska Airlines with 21%, and United Airlines with 21%.

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 Airlines	PriceFrom $281	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $313	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $329	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest flights
United Airlines	PriceFrom $331	Free Cancellation	Rating 7.4 8,929 reviews	Search United Airlines flights

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.