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Cheap flights from Eugene to St. Louis from $231

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 1/15. 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
11:30 am - 11:25 pm
EUG
-
STL
9h 55m2 stops
Delta Logo
3:40 pm - 10:55 pm
STL
-
EUG
9h 15m2 stops
$256Delta
Sat, Feb 7 - Sat, Feb 14
Delta Logo
11:25 am - 12:25 am
EUG
-
STL
11h 00m2 stops
Delta Logo
2:22 pm - 10:55 pm
STL
-
EUG
10h 33m2 stops
$276Delta
Thu, Feb 19 - Mon, Feb 23
Alaska Airlines Logo
1:36 pm - 1:54 pm
EUG
-
STL
22h 18m1 stop
Alaska Airlines Logo
2:47 pm - 9:31 pm
STL
-
EUG
8h 44m1 stop
$303Alaska Airlines
Thu, Feb 5 - Thu, Feb 12
Delta Logo
11:30 am - 9:38 pm
EUG
-
STL
8h 08m2 stops
Delta Logo
7:00 am - 11:50 am
STL
-
EUG
6h 50m1 stop
$312Delta
Sat, Feb 7 - Sat, Feb 14
Delta Logo
5:15 am - 1:32 pm
EUG
-
STL
6h 17m1 stop
Delta Logo
2:22 pm - 10:55 pm
STL
-
EUG
10h 33m2 stops
$323Delta
Thu, Feb 19 - Mon, Feb 23
Alaska Airlines Logo
1:36 pm - 1:54 pm
EUG
-
STL
22h 18m1 stop
Alaska Airlines Logo
2:47 pm - 12:15 pm
STL
-
EUG
23h 28m2 stops
$328Alaska Airlines
Thu, Feb 5 - Thu, Feb 12
Multiple Airlines Logo
9:37 pm - 11:19 am
EUG
-
STL
11h 42m1 stop
Multiple Airlines Logo
9:22 pm - 7:11 pm
STL
-
EUG
23h 49m2 stops
$330Multiple Airlines
Thu, Mar 5 - Sun, Mar 8
Alaska Airlines Logo
9:00 am - 1:54 pm
EUG
-
STL
26h 54m1 stop
Alaska Airlines Logo
2:47 pm - 9:31 pm
STL
-
EUG
8h 44m1 stop
$333Alaska Airlines
Sat, Feb 7 - Sat, Feb 14
Alaska Airlines Logo
3:07 pm - 11:59 pm
EUG
-
STL
6h 52m1 stop
Alaska Airlines Logo
2:47 pm - 6:21 pm
STL
-
EUG
29h 34m1 stop
$348Alaska Airlines
Thu, Feb 19 - Mon, Feb 23
Alaska Airlines Logo
1:07 pm - 11:59 pm
EUG
-
STL
8h 52m1 stop
Alaska Airlines Logo
7:00 am - 11:54 pm
STL
-
EUG
18h 54m1 stop
$353Alaska Airlines
Wed, Apr 15 - Sun, Apr 26

Delta flights from Eugene to St. Louis

Our best Delta deals on Eugene to St. Louis flight tickets
Delta
Feb 7
EUG11:30 amEugene
9h 55m
2 stops
STL11:25 pmLambert-St Louis
Feb 14
STL3:40 pmLambert-St Louis
9h 15m
2 stops
EUG10:55 pmEugene
$256
Delta
Feb 11
EUG11:30 amEugene
9h 55m
2 stops
STL11:25 pmLambert-St Louis
Feb 17
STL7:00 amLambert-St Louis
11h 30m
2 stops
EUG4:30 pmEugene
$274
Delta
Feb 19
EUG11:25 amEugene
11h 00m
2 stops
STL12:25 amLambert-St Louis
Feb 23
STL2:22 pmLambert-St Louis
10h 33m
2 stops
EUG10:55 pmEugene
$276

Alaska Airlines flights from Eugene to St. Louis

Our best Alaska Airlines deals on Eugene to St. Louis flight tickets
Alaska Airlines
Feb 5
EUG1:36 pmEugene
22h 18m
1 stop
STL1:54 pmLambert-St Louis
Feb 12
STL2:47 pmLambert-St Louis
8h 44m
1 stop
EUG9:31 pmEugene
$303
Alaska Airlines
Feb 5
EUG1:36 pmEugene
22h 18m
1 stop
STL1:54 pmLambert-St Louis
Feb 12
STL2:47 pmLambert-St Louis
23h 28m
2 stops
EUG12:15 pmEugene
$328
Alaska Airlines
Feb 7
EUG9:00 amEugene
26h 54m
1 stop
STL1:54 pmLambert-St Louis
Feb 14
STL2:47 pmLambert-St Louis
8h 44m
1 stop
EUG9:31 pmEugene
$333

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 January 11, 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

Sat 2/7

11:30 am-11:25 pm

2 stops9h 55m

Lambert-St Louis

Sat 2/14

3:40 pm-10:55 pm

2 stops9h 15m

$256

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Thu 2/19

11:25 am-12:25 am

2 stops11h 00m

Lambert-St Louis

Mon 2/23

2:22 pm-10:55 pm

2 stops10h 33m

$276

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Thu 2/5

1:36 pm-1:54 pm

1 stop22h 18m

Lambert-St Louis

Thu 2/12

2:47 pm-9:31 pm

1 stop8h 44m

$303

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Sat 2/7

11:30 am-9:38 pm

2 stops8h 08m

Lambert-St Louis

Sat 2/14

7:00 am-11:50 am

1 stop6h 50m

$312

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Thu 2/19

5:15 am-1:32 pm

1 stop6h 17m

Lambert-St Louis

Mon 2/23

2:22 pm-10:55 pm

2 stops10h 33m

$323

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Thu 2/5

1:36 pm-1:54 pm

1 stop22h 18m

Lambert-St Louis

Thu 2/12

2:47 pm-12:15 pm

2 stops23h 28m

$328

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Thu 3/5

9:37 pm-11:19 am

1 stop11h 42m

Lambert-St Louis

Sun 3/8

9:22 pm-7:11 pm

2 stops23h 49m

$330

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Sat 2/7

9:00 am-1:54 pm

1 stop26h 54m

Lambert-St Louis

Sat 2/14

2:47 pm-9:31 pm

1 stop8h 44m

$333

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Thu 2/19

3:07 pm-11:59 pm

1 stop6h 52m

Lambert-St Louis

Mon 2/23

2:47 pm-6:21 pm

1 stop29h 34m

$348

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Wed 4/15

1:07 pm-11:59 pm

1 stop8h 52m

Lambert-St Louis

Sun 4/26

7:00 am-11:54 pm

1 stop18h 54m

$353

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 cheapest month to fly to St. Louis?

In general, December 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 $350. The month of October is another great option to travel to St. Louis, with average flight prices from Eugene averaging around $372.

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

Fastest flight time

5h 47m

Direct flights

None
The fastest flight from Eugene to St. Louis takes 5h 47m
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 5h 47m 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
8,038 reviews
Search Delta flights
Alaska AirlinesPriceFrom $332Free CancellationRating
8.0
11,681 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $338Free CancellationRating
7.4
9,145 reviews
Search United Airlines flights
American AirlinesPriceFrom $350Free CancellationRating
7.2
11,102 reviews
Search American Airlines flights
SouthwestPriceFrom $362Free CancellationRating
8.0
4,252 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
O'Fallon
Maryland Heights
Florissant
Fenton
Collinsville
St. Peters
Wentzville
Alton
Farmington
Clayton
Eureka
Festus
Edwardsville
Glencoe
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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