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Cheap flights from Eugene to St. Louis from $195

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Eugene to St. Louis departing on 12/17. 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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Find the cheapest flights from Eugene to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
11:30 am - 11:25 pmEUG-STL
9h 55m2 stops
Delta Logo
6:40 am - 9:09 pmSTL-EUG
16h 29m2 stops
$256Delta
Find Deal
Wed, Jan 21 - Sat, Jan 24
Delta Logo
11:30 am - 9:35 pmEUG-STL
8h 05m2 stops
Delta Logo
6:35 am - 4:37 pmSTL-EUG
12h 02m2 stops
$284Delta
Find Deal
Mon, Jan 12 - Wed, Jan 14
Delta Logo
12:37 pm - 9:35 pmEUG-STL
6h 58m1 stop
Delta Logo
6:35 am - 4:37 pmSTL-EUG
12h 02m2 stops
$293Delta
Find Deal
Mon, Jan 12 - Wed, Jan 14
Delta Logo
11:25 am - 11:23 pmEUG-STL
9h 58m2 stops
Delta Logo
7:15 am - 11:57 amSTL-EUG
6h 42m1 stop
$308Delta
Find Deal
Wed, Mar 4 - Wed, Mar 11
Alaska Airlines Logo
3:02 pm - 1:54 pmEUG-STL
20h 52m1 stop
Alaska Airlines Logo
2:50 pm - 9:30 pmSTL-EUG
8h 40m1 stop
$312Alaska Airlines
Find Deal
Mon, Jan 12 - Wed, Jan 14
Delta Logo
12:37 pm - 9:35 pmEUG-STL
6h 58m1 stop
Delta Logo
6:40 am - 11:54 amSTL-EUG
7h 14m1 stop
$313Delta
Find Deal
Sat, Jan 17 - Sat, Feb 7
Delta Logo
6:10 am - 9:38 pmEUG-STL
13h 28m2 stops
Delta Logo
6:40 am - 11:54 amSTL-EUG
7h 14m1 stop
$322Delta
Find Deal
Wed, Jan 21 - Sat, Jan 24
Delta Logo
5:30 am - 1:30 pmEUG-STL
6h 00m1 stop
Delta Logo
6:00 am - 3:49 pmSTL-EUG
11h 49m2 stops
$325Delta
Find Deal
Tue, Dec 9 - Sat, Dec 13
Alaska Airlines Logo
5:42 am - 1:54 pmEUG-STL
6h 12m1 stop
Alaska Airlines Logo
6:19 pm - 1:08 pmSTL-EUG
20h 49m1 stop
$327Alaska Airlines
Find Deal
Wed, Jan 21 - Sat, Jan 24
Delta Logo
5:30 am - 4:49 pmEUG-STL
9h 19m2 stops
Delta Logo
1:00 pm - 11:11 pmSTL-EUG
12h 11m2 stops
$330Delta
Find Deal
Tue, Dec 9 - Sat, Dec 13

Delta flights from Eugene to St. Louis

Our best Delta deals on Eugene to St. Louis flight tickets
Delta
Jan 21
EUG6:10 amEugene
13h 28m
2 stops
STL9:38 pmLambert-St Louis
Jan 24
STL6:40 amLambert-St Louis
16h 29m
2 stops
EUG9:09 pmEugene
$256
Find similar
Delta
Jan 12
EUG11:30 amEugene
8h 05m
2 stops
STL9:35 pmLambert-St Louis
Jan 14
STL6:35 amLambert-St Louis
12h 02m
2 stops
EUG4:37 pmEugene
$284
Find similar
Delta
Jan 12
EUG12:37 pmEugene
6h 58m
1 stop
STL9:35 pmLambert-St Louis
Jan 14
STL6:35 amLambert-St Louis
12h 02m
2 stops
EUG4:37 pmEugene
$293
Find similar

Alaska Airlines flights from Eugene to St. Louis

Our best Alaska Airlines deals on Eugene to St. Louis flight tickets
Alaska Airlines
Jan 12
EUG3:02 pmEugene
20h 52m
1 stop
STL1:54 pmLambert-St Louis
Jan 14
STL2:50 pmLambert-St Louis
8h 40m
1 stop
EUG9:30 pmEugene
$312
Find similar
Alaska Airlines
Jan 21
EUG5:42 amEugene
6h 12m
1 stop
STL1:54 pmLambert-St Louis
Jan 24
STL6:19 pmLambert-St Louis
20h 49m
1 stop
EUG1:08 pmEugene
$327
Find similar
Alaska Airlines
Dec 9
EUG9:00 amEugene
27h 27m
1 stop
STL2:27 pmLambert-St Louis
Dec 13
STL7:00 amLambert-St Louis
16h 30m
1 stop
EUG9:30 pmEugene
$359
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Eugene to St. Louis 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 November 23, 2025.
Use the filters below to find and compare flights from Eugene to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Wed 1/21

11:30 am-11:25 pm

2 stops9h 55m

Lambert-St Louis

Sat 1/24

6:40 am-9:09 pm

2 stops16h 29m

$256

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Mon 1/12

11:30 am-9:35 pm

2 stops8h 05m

Lambert-St Louis

Wed 1/14

6:35 am-4:37 pm

2 stops12h 02m

$284

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Mon 1/12

12:37 pm-9:35 pm

1 stop6h 58m

Lambert-St Louis

Wed 1/14

6:35 am-4:37 pm

2 stops12h 02m

$293

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Wed 3/4

11:25 am-11:23 pm

2 stops9h 58m

Lambert-St Louis

Wed 3/11

7:15 am-11:57 am

1 stop6h 42m

$308

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Mon 1/12

3:02 pm-1:54 pm

1 stop20h 52m

Lambert-St Louis

Wed 1/14

2:50 pm-9:30 pm

1 stop8h 40m

$312

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Sat 1/17

12:37 pm-9:35 pm

1 stop6h 58m

Lambert-St Louis

Sat 2/7

6:40 am-11:54 am

1 stop7h 14m

$313

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Wed 1/21

6:10 am-9:38 pm

2 stops13h 28m

Lambert-St Louis

Sat 1/24

6:40 am-11:54 am

1 stop7h 14m

$322

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Tue 12/9

5:30 am-1:30 pm

1 stop6h 00m

Lambert-St Louis

Sat 12/13

6:00 am-3:49 pm

2 stops11h 49m

$325

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Wed 1/21

5:42 am-1:54 pm

1 stop6h 12m

Lambert-St Louis

Sat 1/24

6:19 pm-1:08 pm

1 stop20h 49m

$327

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Tue 12/9

5:30 am-4:49 pm

2 stops9h 19m

Lambert-St Louis

Sat 12/13

1:00 pm-11:11 pm

2 stops12h 11m

$330

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Eugene to St. Louis

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 Eugene and St. Louis?

What is the cheapest month to fly to St. Louis?

In general, October is the cheapest month to fly from Eugene to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $372. The month of September is another great option to travel to St. Louis, with average flight prices from Eugene averaging around $392.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Tuesday when prices can be found for as low as $412. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $705. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Eugene in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $397 when looking at flights departing in the afternoon. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $503 per ticket.

How have Eugene to St. Louis flight prices changed over time?

When to book flights from Eugene to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Eugene to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Eugene to St. Louis (EUG to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Eugene to St. Louis

Direct flights

None
There are no direct flights from Eugene to St. Louis. There are no popular flight routes from Eugene to St. Louis.
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  • How far is Eugene to Lambert-St Louis by plane?

    There are 1733.4 mi between Eugene and Lambert-St Louis. Typically, this will take 6h 00m by plane in normal conditions.

  • When did momondo last update prices for flights from Eugene Airport to Lambert-St Louis Airport?

    Prices for flights from Eugene Airport to Lambert-St Louis Airport were last updated today.

  • How many operators does momondo search for flights from Eugene Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Eugene Airport to Lambert-St Louis 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 Eugene Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Eugene to St. Louis?

Best airlines flying from Eugene to St. Louis

Compare and see reviews for airlines that fly from Eugene to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $315Free CancellationRating
7.9
8,000 reviews
Search Delta flights
Alaska AirlinesPriceFrom $332Free CancellationRating
8.0
11,331 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $336Free CancellationRating
8.0
4,253 reviews
Search Southwest flights
United AirlinesPriceFrom $338Free CancellationRating
7.4
9,036 reviews
Search United Airlines flights
American AirlinesPriceFrom $398Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Florissant
Maryland Heights
O'Fallon
Wentzville
Fenton
Collinsville
St. Peters
Alton
Farmington
Festus
Glencoe
Edwardsville
Clayton
Eureka
Litchfield
Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Eugene to St. Louis?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Eugene to St. Louis. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Eugene to St. Louis with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Eugene to St. Louis flights to just show those with flexible booking policies.

How can momondo help me find flights from Eugene to St. Louis?

Once all potential Eugene to St. Louis flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Eugene to St. Louis right now. Can momondo alert me if prices change?

Price alerts on flights to St. Louis from Eugene are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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