Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Eugene to St. Louis from $304

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 7/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Eugene to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
4:43 pm - 12:41 am
EUG
-
STL
5h 58m
1 stop
Delta Logo
7:45 pm - 11:46 pm
STL
-
EUG
6h 01m
1 stop
$355Delta
Tue, Aug 4 - Mon, Aug 10
Delta Logo
4:43 pm - 12:41 am
EUG
-
STL
5h 58m
1 stop
Delta Logo
2:32 pm - 11:59 pm
STL
-
EUG
11h 27m
2 stops
$360Delta
Tue, Aug 4 - Mon, Aug 10
Delta Logo
4:43 pm - 12:41 am
EUG
-
STL
5h 58m
1 stop
Delta Logo
7:45 pm - 11:46 pm
STL
-
EUG
6h 01m
1 stop
$361Delta
Thu, Aug 6 - Mon, Aug 10
Delta Logo
4:43 pm - 12:41 am
EUG
-
STL
5h 58m
1 stop
Delta Logo
2:32 pm - 11:59 pm
STL
-
EUG
11h 27m
2 stops
$366Delta
Thu, Aug 6 - Mon, Aug 10
Delta Logo
4:43 pm - 12:41 am
EUG
-
STL
5h 58m
1 stop
Delta Logo
7:45 pm - 11:46 pm
STL
-
EUG
6h 01m
1 stop
$382Delta
Thu, Jul 30 - Thu, Aug 6
Southwest Logo
1:15 pm - 12:45 am
EUG
-
STL
9h 30m
2 stops
Southwest Logo
3:45 pm - 10:40 pm
STL
-
EUG
8h 55m
2 stops
$389Southwest
Thu, Sep 17 - Mon, Sep 21
Alaska Airlines Logo
3:01 pm - 11:59 pm
EUG
-
STL
6h 58m
1 stop
Alaska Airlines Logo
7:00 am - 1:12 pm
STL
-
EUG
8h 12m
1 stop
$394Alaska Airlines
Sat, Oct 3 - Tue, Oct 6
Southwest Logo
11:20 am - 12:35 am
EUG
-
STL
11h 15m
2 stops
Southwest Logo
2:15 pm - 10:40 pm
STL
-
EUG
10h 25m
2 stops
$407Southwest
Thu, Aug 6 - Mon, Aug 10
Alaska Airlines Logo
3:01 pm - 11:59 pm
EUG
-
STL
6h 58m
1 stop
Alaska Airlines Logo
7:00 am - 1:12 pm
STL
-
EUG
8h 12m
1 stop
$410Alaska Airlines
Sat, Oct 3 - Tue, Oct 6
Delta Logo
4:43 pm - 10:23 am
EUG
-
STL
15h 40m
2 stops
Delta Logo
2:32 pm - 11:59 pm
STL
-
EUG
11h 27m
2 stops
$415Delta
Tue, Aug 4 - Mon, Aug 10

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Alaska Airlines flights from Eugene to St. Louis

Our best Alaska Airlines deals on Eugene to St. Louis flight tickets
Alaska Airlines
Oct 3
EUG3:01 pmEugene
6h 58m
1 stop
STL11:59 pmLambert-St Louis
Oct 6
STL7:00 amLambert-St Louis
8h 12m
1 stop
EUG1:12 pmEugene
$394
Alaska Airlines
Oct 3
EUG3:01 pmEugene
6h 58m
1 stop
STL11:59 pmLambert-St Louis
Oct 6
STL7:00 amLambert-St Louis
8h 12m
1 stop
EUG1:12 pmEugene
$410
Alaska Airlines
Oct 3
EUG3:01 pmEugene
6h 58m
1 stop
STL11:59 pmLambert-St Louis
Oct 6
STL7:00 amLambert-St Louis
8h 12m
1 stop
EUG1:12 pmEugene
$431

Delta flights from Eugene to St. Louis

Our best Delta deals on Eugene to St. Louis flight tickets
Delta
Aug 4
EUG4:43 pmEugene
5h 58m
1 stop
STL12:41 amLambert-St Louis
Aug 10
STL7:45 pmLambert-St Louis
6h 01m
1 stop
EUG11:46 pmEugene
$355
Delta
Aug 4
EUG4:43 pmEugene
5h 58m
1 stop
STL12:41 amLambert-St Louis
Aug 10
STL2:32 pmLambert-St Louis
11h 27m
2 stops
EUG11:59 pmEugene
$360
Delta
Aug 6
EUG4:43 pmEugene
5h 58m
1 stop
STL12:41 amLambert-St Louis
Aug 10
STL7:45 pmLambert-St Louis
6h 01m
1 stop
EUG11:46 pmEugene
$361

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 July 6, 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

Cheapest round-trip
Quickest round-trip

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Tue 8/4

4:43 pm-12:41 am

1 stop5h 58m

Lambert-St Louis

Mon 8/10

7:45 pm-11:46 pm

1 stop6h 01m

$355

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Tue 8/4

4:43 pm-12:41 am

1 stop5h 58m

Lambert-St Louis

Mon 8/10

2:32 pm-11:59 pm

2 stops11h 27m

$360

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Thu 8/6

4:43 pm-12:41 am

1 stop5h 58m

Lambert-St Louis

Mon 8/10

7:45 pm-11:46 pm

1 stop6h 01m

$361

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Thu 8/6

4:43 pm-12:41 am

1 stop5h 58m

Lambert-St Louis

Mon 8/10

2:32 pm-11:59 pm

2 stops11h 27m

$366

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Thu 7/30

4:43 pm-12:41 am

1 stop5h 58m

Lambert-St Louis

Thu 8/6

7:45 pm-11:46 pm

1 stop6h 01m

$382

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Thu 9/17

1:15 pm-12:45 am

2 stops9h 30m

Lambert-St Louis

Mon 9/21

3:45 pm-10:40 pm

2 stops8h 55m

$389

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Sat 10/3

3:01 pm-11:59 pm

1 stop6h 58m

Lambert-St Louis

Tue 10/6

7:00 am-1:12 pm

1 stop8h 12m

$394

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Thu 8/6

11:20 am-12:35 am

2 stops11h 15m

Lambert-St Louis

Mon 8/10

2:15 pm-10:40 pm

2 stops10h 25m

$407

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Sat 10/3

3:01 pm-11:59 pm

1 stop6h 58m

Lambert-St Louis

Tue 10/6

7:00 am-1:12 pm

1 stop8h 12m

$410

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Tue 8/4

4:43 pm-10:23 am

2 stops15h 40m

Lambert-St Louis

Mon 8/10

2:32 pm-11:59 pm

2 stops11h 27m

$415

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

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 July 2026, prices for Eugene to St. Louis flights are approximately 70% 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

5h 25m

Direct flights

None
The fastest flight from Eugene to St. Louis takes 5h 25m
There are no direct flights from Eugene to St. Louis. There are no popular flight routes from Eugene to St. Louis.
Search flight deals

Frequently asked questions about flying from Eugene to St. Louis

  • 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 25m 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
7.8
8,452 reviews
Search Delta flights
SouthwestPriceFrom $276Free CancellationRating
7.9
4,251 reviews
Search Southwest flights
United AirlinesPriceFrom $326Free CancellationRating
7.4
9,940 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $332Free CancellationRating
7.9
12,625 reviews
Search Alaska 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
Fairview Heights
Hermann
Maryland Heights
Florissant
St. Peters
O'Fallon
Collinsville
Alton
Farmington
Wentzville
Clayton
Fenton
Festus
Eureka
Litchfield
Edwardsville
Grafton
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.

An easier way to manage your St. Louis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 8/5
Wed 8/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States