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Cheap flight tickets from Eugene to St Louis

Compare Eugene to St Louis flight deals

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Flight deals from Eugene to St Louis

Looking for a cheap last-minute deal or the best return flight from Eugene to St Louis? Find the lowest prices on one-way and return tickets right here.
St Louis.RM1,586 per passenger.Departing Wed, 8 Jul, returning Mon, 13 Jul.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Eugene on Wed, 8 Jul, arriving in St Louis.Inbound indirect flight with Southwest Airlines, departs from St Louis on Mon, 13 Jul, arriving in Eugene.Price includes taxes and charges.From RM1,586, select.
St Louis.RM1,609 per passenger.Departing Mon, 8 Jun, returning Tue, 7 Jul.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Eugene on Mon, 8 Jun, arriving in St Louis.Inbound indirect flight with Southwest Airlines, departs from St Louis on Tue, 7 Jul, arriving in Eugene.Price includes taxes and charges.From RM1,609, select.
St Louis.RM1,610 per passenger.Departing Sun, 12 Apr, returning Fri, 17 Apr.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Eugene on Sun, 12 Apr, arriving in St Louis.Inbound indirect flight with Southwest Airlines, departs from St Louis on Fri, 17 Apr, arriving in Eugene.Price includes taxes and charges.From RM1,610, select.
St Louis.RM1,871 per passenger.Departing Fri, 13 Mar, returning Mon, 16 Mar.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Eugene on Fri, 13 Mar, arriving in St Louis.Inbound indirect flight with Southwest Airlines, departs from St Louis on Mon, 16 Mar, arriving in Eugene.Price includes taxes and charges.From RM1,871, select.
St Louis.RM3,249 per passenger.Departing Thu, 26 Feb, returning Thu, 5 Mar.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Eugene on Thu, 26 Feb, arriving in St Louis.Inbound indirect flight with Southwest Airlines, departs from St Louis on Thu, 5 Mar, arriving in Eugene.Price includes taxes and charges.From RM3,249, select.

Find the cheapest month to fly from Eugene to St Louis

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Eugene to St Louis flights are currently cheapest in July.
Feb
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Mar
from RM1,871
Apr
from RM1,610
May
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Jun
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Jul
from RM1,586
Aug
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Sep
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Oct
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Nov
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Dec
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Jan
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Eugene to St Louis: Alternative routes

Compare routes from Eugene to St Louis below. You may find an airport to fly into that's cheaper, faster, or easier than St Louis.

St Louis

20km from central St Louis
ClosestCheapest
from RM1,586
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Belleville

32km from central St Louis
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Sparta Community

69km from central St Louis
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Eugene to St Louis: Flight information

The things to know before you go.
Cheapest flight foundRM1,586
Cheapest month to flyJuly

Finding cheap flights from Eugene to St Louis: Frequently asked questions

The best price we found for a return flight from Eugene to St Louis is RM1,586. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Eugene to St Louis. But we found flights with one or more stops from RM1,586.
As of February 2026, there are no flights flying from Eugene to St Louis.
The cheapest month to fly from Eugene to St Louis is usually July.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Eugene Airport to St Louis Airport on Wednesday, 8 July 2026.
No airlines currently offer direct flights between Eugene Airport and St Louis Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to St Louis but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to St Louis is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Southwest Airlines offers the cheapest flight tickets to St Louis.

Flying from Mahlon Sweet Field Airport (EUG) to Lambert-St. Louis International Airport (STL): what you need to know

  • St Louis is two hours ahead of Eugene and observes the UTC-5 timezone.

  • Get to the airport on time so you don't miss your EUG to STL flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.

  • Travelling during a peak month like July? Major public holidays and other popular seasons can result in longer queues and delays at security. Play things extra safe and arrive up to four hours before international flights and two hours before domestic departures.

  • We make it a breeze to book a flight with a stopover. To see all your options for tickets from Mahlon Sweet Field Airport to Lambert-St. Louis International Airport, deselect 'Direct flights only.' Then, pick a flight offering a stop long enough to tour the city of your choice. Popular stopovers between EUG and STL include:

    • Denver International Airport

    • Minneapolis-St. Paul International Airport

    • Harry Reid Airport (formerly McCarran Airport)

How to find the cheapest flights from Mahlon Sweet Field Airport (EUG) to Lambert-St. Louis International Airport (STL)

  • Currently, RM654 is the cheapest price we've seen for a one-way Mahlon Sweet Field Airport to Lambert-St. Louis International Airport flight. The best price for a return plane ticket is RM1,586. Keep in mind that fares may change due to availability when booking.

  • Don't leave things to the last minute. You're more likely to find cheap tickets from EUG to STL if you book early. Airlines often offer some amazing early bird deals.

  • Finding cheap flights from Mahlon Sweet Field Airport to Lambert-St. Louis International Airport is more likely if you're flexible with your dates. Use the 'Whole month' function to see the best prices throughout the month and score a great deal.

  • Spend less time searching for cheap flights from EUG to STL by creating a Price Alert. You'll get an email or push notification on the app when a new discounted fare appears.

  • Tailor your flights with filters. Pick your ideal arrival and departure times, total journey duration and airlines. You can also sort the results by 'Best,' 'Cheapest' or 'Fastest' flights from Mahlon Sweet Field Airport to Lambert-St. Louis International Airport.

Handy information about Mahlon Sweet Field Airport (EUG)

  • EUG's address is 28801 Douglas Dr.

  • Mahlon Sweet Field Airport gets top marks for its on-time performance. 80.31% of flights that depart EUG land on time.

  • Central Eugene to Mahlon Sweet Field Airport is approximately 18 kilometres. Depending on traffic, it'll take you about 20 minutes to get there if you're driving, ride-sharing or catching a cab.

  • Get your flight from Mahlon Sweet Field Airport to Lambert-St. Louis International Airport off to a relaxed start. Only a short drive from EUG, stay at Hampton Inn Eugene and be well-rested for the journey ahead.

Arriving at Lambert-St. Louis International Airport (STL)

Getting from Lambert-St. Louis International Airport (STL) to central St Louis

  • You'll find STL at 10701 Lambert International Blvd..

  • Lambert-St. Louis International Airport is roughly 26 kilometres from the centre of St Louis. The drive time takes around 20 minutes.

  • When travelling by public transport, expect a journey time of about 35 minutes.

When to fly to Lambert-St. Louis International Airport (STL)

  • It's time to pick your trip dates for your flight from Mahlon Sweet Field Airport to Lambert-St. Louis International Airport. July is the busiest month to visit St Louis. If you'd like a more low-key vibe, go in April.

  • Book your flight from Mahlon Sweet Field Airport to Lambert-St. Louis International Airport for July if you want to go to St Louis during its warmest month. Expect temperatures of between 17ºC (63ºF) and 33ºC (91ºF).

  • If you want to travel in cooler conditions, search for a cheap ticket from EUG to STL in January. Temperatures average between -8ºC (18ºF) and 7ºC (45ºF) then.

Explore more of United States

  • You've done St Louis, now it's time to explore more of United States. Travel around 418 kilometres north-east to Chicago to tick off its must-visit sights. From Millennium Park to Art Institute of Chicago and LandShark Beer Garden at Navy Pier, there's plenty to keep you on the go.

  • If you're looking to explore another great destination in United States, head for Indianapolis, about 370 kilometres east of St Louis. The Children's Museum of Indianapolis, Indianapolis Museum of Art and Indianapolis Zoo are key reasons to visit.

Plan the rest of your trip from Eugene to St Louis

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.