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Cheap flights from Eugene to St. Louis from $134

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 4/19. 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 Eugene to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
11:40 am - 12:21 am
EUG
-
STL
10h 41m
2 stops
Delta Logo
6:32 am - 5:10 pm
STL
-
EUG
12h 38m
2 stops
$269Delta
Thu, Apr 2 - Tue, Apr 7
Delta Logo
11:40 am - 12:21 am
EUG
-
STL
10h 41m
2 stops
Delta Logo
6:12 pm - 10:46 pm
STL
-
EUG
6h 34m
1 stop
$270Delta
Thu, Apr 2 - Tue, Apr 7
American Airlines Logo
1:42 pm - 11:59 pm
EUG
-
STL
8h 17m
1 stop
American Airlines Logo
8:00 am - 1:26 pm
STL
-
EUG
7h 26m
1 stop
$304American Airlines
Thu, Apr 2 - Tue, Apr 7
Delta Logo
5:10 am - 1:32 pm
EUG
-
STL
6h 22m
1 stop
Delta Logo
7:00 am - 11:46 am
STL
-
EUG
6h 46m
1 stop
$311Delta
Tue, May 19 - Wed, May 27
Delta Logo
6:15 am - 4:46 pm
EUG
-
STL
8h 31m
2 stops
Delta Logo
7:59 pm - 11:43 pm
STL
-
EUG
5h 44m
1 stop
$316Delta
Tue, May 19 - Wed, May 27
United Airlines Logo
6:00 am - 8:43 pm
EUG
-
STL
12h 43m
2 stops
United Airlines Logo
5:10 am - 12:01 pm
STL
-
EUG
8h 51m
2 stops
$333United Airlines
Tue, May 19 - Wed, May 27
Alaska Airlines Logo
1:07 pm - 11:59 pm
EUG
-
STL
8h 52m
1 stop
Alaska Airlines Logo
7:00 am - 12:30 pm
STL
-
EUG
7h 30m
1 stop
$371Alaska Airlines
Thu, Apr 9 - Mon, Apr 13
Alaska Airlines Logo
8:38 pm - 11:59 pm
EUG
-
STL
25h 21m
1 stop
Alaska Airlines Logo
7:41 pm - 1:08 pm
STL
-
EUG
19h 27m
1 stop
$373Alaska Airlines
Mon, May 11 - Fri, May 15
United Airlines Logo
5:00 am - 1:19 pm
EUG
-
STL
6h 19m
1 stop
United Airlines Logo
2:50 pm - 9:07 pm
STL
-
EUG
8h 17m
1 stop
$398United Airlines
Wed, Mar 18 - Mon, Mar 23
Alaska Airlines Logo
7:59 pm - 4:37 pm
EUG
-
STL
18h 38m
2 stops
Alaska Airlines Logo
5:33 pm - 10:50 pm
STL
-
EUG
7h 17m
1 stop
$401Alaska Airlines
Thu, May 21 - Sun, May 24

Delta flights from Eugene to St. Louis

Our best Delta deals on Eugene to St. Louis flight tickets
Delta
Apr 2
EUG11:40 amEugene
10h 41m
2 stops
STL12:21 amLambert-St Louis
Apr 7
STL6:32 amLambert-St Louis
12h 38m
2 stops
EUG5:10 pmEugene
$269
Delta
Apr 2
EUG11:40 amEugene
10h 41m
2 stops
STL12:21 amLambert-St Louis
Apr 7
STL6:12 pmLambert-St Louis
6h 34m
1 stop
EUG10:46 pmEugene
$270
Delta
May 30
EUG5:10 amEugene
6h 22m
1 stop
STL1:32 pmLambert-St Louis
Jun 6
STL5:00 pmLambert-St Louis
8h 48m
2 stops
EUG11:48 pmEugene
$412

American Airlines flights from Eugene to St. Louis

Our best American Airlines deals on Eugene to St. Louis flight tickets
American Airlines
Apr 2
EUG1:42 pmEugene
8h 17m
1 stop
STL11:59 pmLambert-St Louis
Apr 7
STL8:00 amLambert-St Louis
7h 26m
1 stop
EUG1:26 pmEugene
$304
American Airlines
Mar 13
EUG1:42 pmEugene
8h 17m
1 stop
STL11:59 pmLambert-St Louis
Mar 17
STL7:58 amLambert-St Louis
7h 04m
1 stop
EUG1:02 pmEugene
$567
American Airlines
Mar 4
EUG5:10 amEugene
6h 41m
1 stop
STL1:51 pmLambert-St Louis
Mar 6
STL7:58 amLambert-St Louis
7h 02m
1 stop
EUG1:00 pmEugene
$923

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 March 1, 2026.
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

Thu 4/2

11:40 am-12:21 am

2 stops10h 41m

Lambert-St Louis

Tue 4/7

6:32 am-5:10 pm

2 stops12h 38m

$269

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Thu 4/2

11:40 am-12:21 am

2 stops10h 41m

Lambert-St Louis

Tue 4/7

6:12 pm-10:46 pm

1 stop6h 34m

$270

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Thu 4/2

1:42 pm-11:59 pm

1 stop8h 17m

Lambert-St Louis

Tue 4/7

8:00 am-1:26 pm

1 stop7h 26m

$304

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Tue 5/19

5:10 am-1:32 pm

1 stop6h 22m

Lambert-St Louis

Wed 5/27

7:00 am-11:46 am

1 stop6h 46m

$311

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Tue 5/19

6:15 am-4:46 pm

2 stops8h 31m

Lambert-St Louis

Wed 5/27

7:59 pm-11:43 pm

1 stop5h 44m

$316

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Tue 5/19

6:00 am-8:43 pm

2 stops12h 43m

Lambert-St Louis

Wed 5/27

5:10 am-12:01 pm

2 stops8h 51m

$333

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Thu 4/9

1:07 pm-11:59 pm

1 stop8h 52m

Lambert-St Louis

Mon 4/13

7:00 am-12:30 pm

1 stop7h 30m

$371

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Mon 5/11

8:38 pm-11:59 pm

1 stop25h 21m

Lambert-St Louis

Fri 5/15

7:41 pm-1:08 pm

1 stop19h 27m

$373

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Wed 3/18

5:00 am-1:19 pm

1 stop6h 19m

Lambert-St Louis

Mon 3/23

2:50 pm-9:07 pm

1 stop8h 17m

$398

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Thu 5/21

7:59 pm-4:37 pm

2 stops18h 38m

Lambert-St Louis

Sun 5/24

5:33 pm-10:50 pm

1 stop7h 17m

$401

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 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, January 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 $246. The month of December is another great option to travel to St. Louis, with average flight prices from Eugene averaging around $350.

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

As of March 2026, prices for Eugene to St. Louis flights are approximately 5% more expensive when compared to flights at the same time last year.

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

Fastest flight time

6h 22m

Direct flights

None
The fastest flight from Eugene to St. Louis takes 6h 22m
There are no direct flights from Eugene to St. Louis. There are no popular flight routes from Eugene to St. Louis.
Search flight deals

  • 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 22m 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 $246Free CancellationRating
7.9
8,242 reviews
Search Delta flights
Alaska AirlinesPriceFrom $329Free CancellationRating
8.0
11,973 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $338Free CancellationRating
7.4
9,371 reviews
Search United Airlines flights
SouthwestPriceFrom $362Free CancellationRating
8.0
4,303 reviews
Search Southwest 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
St. Peters
Wentzville
Collinsville
Alton
Fenton
Farmington
Edwardsville
Festus
Clayton
Eureka
Litchfield
Glencoe
Grafton

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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