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Cheap flights from Eugene to St. Louis from $274

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Eugene to St. Louis departing on 9/10. 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

Delta Logo
11:20 am - 9:18 pmEUG-STL
7h 58m2 stops
Delta Logo
2:31 pm - 10:42 pmSTL-EUG
10h 11m2 stops
$274Delta
Find Deal
mié., sep. 10 - mar., sep. 16
Delta Logo
11:30 am - 12:24 amEUG-STL
10h 54m2 stops
Delta Logo
3:26 pm - 11:14 pmSTL-EUG
9h 48m2 stops
$290Delta
Find Deal
vie., oct. 17 - mar., oct. 21
Alaska Airlines Logo
1:36 pm - 2:39 pmEUG-STL
23h 03m1 stop
Alaska Airlines Logo
6:00 am - 12:42 pmSTL-EUG
8h 42m1 stop
$314Alaska Airlines
Find Deal
mié., sep. 10 - mar., sep. 16
United Airlines Logo
6:00 am - 4:53 pmEUG-STL
8h 53m1 stop
United Airlines Logo
5:49 pm - 10:50 pmSTL-EUG
7h 01m1 stop
$315United Airlines
Find Deal
sáb., ago. 23 - mié., ago. 27
Alaska Airlines Logo
12:50 pm - 11:59 pmEUG-STL
33h 09m2 stops
Alaska Airlines Logo
3:35 pm - 10:48 pmSTL-EUG
9h 13m1 stop
$319Alaska Airlines
Find Deal
mié., sep. 17 - mar., sep. 23
Southwest Logo
6:55 am - 8:55 pmEUG-STL
12h 00m2 stops
Southwest Logo
6:45 am - 11:00 amSTL-EUG
6h 15m1 stop
$320Southwest
Find Deal
sáb., ago. 23 - mié., ago. 27
Hawaiian Airlines Logo
1:36 pm - 11:59 pmEUG-STL
8h 23m1 stop
Hawaiian Airlines Logo
6:00 am - 12:42 pmSTL-EUG
8h 42m1 stop
$324Hawaiian Airlines
Find Deal
vie., sep. 12 - mié., sep. 17
Hawaiian Airlines Logo
6:00 am - 2:39 pmEUG-STL
6h 39m1 stop
Hawaiian Airlines Logo
6:00 am - 12:39 pmSTL-EUG
8h 39m1 stop
$334Hawaiian Airlines
Find Deal
vie., ago. 29 - dom., ago. 31
Southwest Logo
6:55 am - 8:55 pmEUG-STL
12h 00m2 stops
Southwest Logo
6:45 am - 1:35 pmSTL-EUG
8h 50m2 stops
$356Southwest
Find Deal
sáb., ago. 23 - mié., ago. 27
United Airlines Logo
6:00 am - 10:00 pmEUG-STL
14h 00m3 stops
United Airlines Logo
1:40 pm - 10:51 pmSTL-EUG
11h 11m2 stops
$514United Airlines
Find Deal
vie., oct. 17 - mar., oct. 21

Delta flights from Eugene to St. Louis

Our best Delta deals on Eugene to St. Louis flight tickets
Delta
Sep 10
EUG11:20 amEugene
7h 58m
2 stops
STL9:18 pmLambert-St Louis
Sep 16
STL2:31 pmLambert-St Louis
10h 11m
2 stops
EUG10:42 pmEugene
$274
Find similar
Delta
Oct 17
EUG11:30 amEugene
10h 54m
2 stops
STL12:24 amLambert-St Louis
Oct 21
STL3:26 pmLambert-St Louis
9h 48m
2 stops
EUG11:14 pmEugene
$290
Find similar
Delta
Oct 17
EUG11:30 amEugene
10h 54m
2 stops
STL12:24 amLambert-St Louis
Oct 21
STL7:30 pmLambert-St Louis
6h 19m
1 stop
EUG11:49 pmEugene
$339
Find similar

Hawaiian Airlines flights from Eugene to St. Louis

Our best Hawaiian Airlines deals on Eugene to St. Louis flight tickets
Hawaiian Airlines
Sep 12
EUG1:36 pmEugene
8h 23m
1 stop
STL11:59 pmLambert-St Louis
Sep 17
STL6:00 amLambert-St Louis
8h 42m
1 stop
EUG12:42 pmEugene
$324
Find similar
Hawaiian Airlines
Aug 29
EUG6:00 amEugene
6h 39m
1 stop
STL2:39 pmLambert-St Louis
Aug 31
STL6:00 amLambert-St Louis
8h 39m
1 stop
EUG12:39 pmEugene
$334
Find similar
Hawaiian Airlines
Aug 25
EUG1:35 pmEugene
8h 24m
1 stop
STL11:59 pmLambert-St Louis
Sep 2
STL6:00 amLambert-St Louis
8h 42m
1 stop
EUG12:42 pmEugene
$338
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 julio 31, 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

mié. 9/10

11:20 am-9:18 pm

2 stops7h 58m

Lambert-St Louis

mar. 9/16

2:31 pm-10:42 pm

2 stops10h 11m

$274

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

vie. 10/17

11:30 am-12:24 am

2 stops10h 54m

Lambert-St Louis

mar. 10/21

3:26 pm-11:14 pm

2 stops9h 48m

$290

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

mié. 9/10

1:36 pm-2:39 pm

1 stop23h 03m

Lambert-St Louis

mar. 9/16

6:00 am-12:42 pm

1 stop8h 42m

$314

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

sáb. 8/23

6:00 am-4:53 pm

1 stop8h 53m

Lambert-St Louis

mié. 8/27

5:49 pm-10:50 pm

1 stop7h 01m

$315

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

mié. 9/17

12:50 pm-11:59 pm

2 stops33h 09m

Lambert-St Louis

mar. 9/23

3:35 pm-10:48 pm

1 stop9h 13m

$319

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

sáb. 8/23

6:55 am-8:55 pm

2 stops12h 00m

Lambert-St Louis

mié. 8/27

6:45 am-11:00 am

1 stop6h 15m

$320

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

vie. 9/12

1:36 pm-11:59 pm

1 stop8h 23m

Lambert-St Louis

mié. 9/17

6:00 am-12:42 pm

1 stop8h 42m

$324

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

vie. 8/29

6:00 am-2:39 pm

1 stop6h 39m

Lambert-St Louis

dom. 8/31

6:00 am-12:39 pm

1 stop8h 39m

$334

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

sáb. 8/23

6:55 am-8:55 pm

2 stops12h 00m

Lambert-St Louis

mié. 8/27

6:45 am-1:35 pm

2 stops8h 50m

$356

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

vie. 10/17

6:00 am-10:00 pm

3 stops14h 00m

Lambert-St Louis

mar. 10/21

1:40 pm-10:51 pm

2 stops11h 11m

$514

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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, 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 $400. The month of May is another great option to travel to St. Louis, with average flight prices from Eugene averaging around $433.

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 far in advance should I book a flight to St. Louis?

You are more likely to see cheaper flights to St. Louis from Eugene when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $462 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Eugene for as low as $329 on momondo.

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

Best Price Found

$274

Fastest flight time

5h 44m

Direct flights

None

Airports in St. Louis

1 airport
The best flight deal from Eugene to St. Louis found on momondo in the last 72 hours is $274
The fastest flight from Eugene to St. Louis takes 5h 44m
There are no direct flights from Eugene to St. Louis. Popular non-direct route for this connection is Eugene Airport - Lambert-St Louis Airport.
There is 1 airport near St. Louis: Lambert-St Louis (STL)
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 5h 44m 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
American AirlinesPriceFrom $308Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $315Free CancellationRating
8.0
7,981 reviews
Search Delta flights
Alaska AirlinesPriceFrom $317Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $336Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
SouthwestPriceFrom $362Free CancellationRating
8.0
4,246 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
Maryland Heights
Florissant
Fenton
Collinsville
O'Fallon
Alton
St. Peters
Farmington
Wentzville
Festus
Glencoe
Eureka
Edwardsville
Clayton
Shrewsbury
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.

An easier way to manage your St. Louis trip

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