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$173+ Cheap flights from Eugene to St. Louis (EUG - STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
EUG — STL
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
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Cheapflights Tip: The best prices from Eugene to Lambert-St Louis are usually found in January or October, booked 83 days in advance, depart on a Tuesday or Monday and return on a Saturday

Cheap flight deals from Eugene to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Eugene (EUG) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$327
(American Airlines)

One-way from

$173
(Hawaiian Airlines)

Popular in

June

Cheapest in

January

Average price

$455
Provider with most accurate pricing for Eugene-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Eugene-Lambert-St Louis flights.
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From Eugene to Lambert-St Louis
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One-way flight from Eugene to Lambert-St Louis
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Highest demand for flights based on searches. 15% potential increase in price ($86 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Eugene to St. Louis

Cheapest flights from Eugene to St. Louis
Explore the most affordable flight options available from Eugene to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

This American Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/812:57 pmEUG - STL
1 stop7h 31mAmerican Airlines
Sat 4/125:26 amSTL - EUG
1 stop8h 52mAmerican Airlines
Deal found 3/24$327
This Delta deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/811:20 amEUG - STL
2 stops9h 44mDelta
Sat 4/127:40 amSTL - EUG
1 stop6h 27mDelta
Deal found 3/24$332
This Hawaiian Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/201:08 pmEUG - STL
1 stop8h 51mHawaiian Airlines
Sat 4/263:08 pmSTL - EUG
1 stop7h 46mHawaiian Airlines
Deal found 3/24$391
This Alaska Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/261:37 pmEUG - STL
1 stop8h 27mAlaska Airlines
Sat 6/147:32 pmSTL - EUG
1 stop25h 23mAlaska Airlines
Deal found 3/24$414
This Southwest deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/202:40 pmEUG - STL
2 stops8h 55mSouthwest
Sat 4/265:35 amSTL - EUG
2 stops10h 50mSouthwest
Deal found 3/24$417
This United Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/116:00 amEUG - STL
2 stops13h 50mUnited Airlines
Sun 4/134:45 pmSTL - EUG
1 stop6h 48mUnited Airlines
Deal found 3/24$565

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated March 25, 2025.
Use the filters below to find and compare flights from Eugene to St. Louis that are best for you.

Fly from

Eugene

Fly to

St. Louis

Route

Depart

Return

Price

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Tue 4/8

12:57 pm-10:28 pm

1 stop7h 31m

Lambert-St Louis

Sat 4/12

5:26 am-12:18 pm

1 stop8h 52m

$327

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Tue 4/8

11:20 am-11:04 pm

2 stops9h 44m

Lambert-St Louis

Sat 4/12

7:40 am-12:07 pm

1 stop6h 27m

$332

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Sun 4/20

1:08 pm-11:59 pm

1 stop8h 51m

Lambert-St Louis

Sat 4/26

3:08 pm-8:54 pm

1 stop7h 46m

$391

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Mon 5/26

1:37 pm-12:04 am

1 stop8h 27m

Lambert-St Louis

Sat 6/14

7:32 pm-6:55 pm

1 stop25h 23m

$414

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Sun 4/20

2:40 pm-1:35 am

2 stops8h 55m

Lambert-St Louis

Sat 4/26

5:35 am-2:25 pm

2 stops10h 50m

$417

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Fri 4/11

6:00 am-9:50 pm

2 stops13h 50m

Lambert-St Louis

Sun 4/13

4:45 pm-9:33 pm

1 stop6h 48m

$565

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Sun 5/18

6:03 am-2:07 pm

1 stop6h 04m

$173

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Sun 5/18

12:45 pm-12:04 am

2 stops9h 19m

$202

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Mon 4/7

12:57 pm-10:28 pm

1 stop7h 31m

$264

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Mon 4/7

6:00 am-9:50 pm

2 stops13h 50m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Compare providers for flights from Eugene to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Eugene to St. Louis in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Eugene-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Eugene-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Eugene-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Eugene-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Eugene-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Eugene to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Eugene with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Eugene to St. Louis

How far ahead should I book a flight from Eugene to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from Eugene to St. Louis. Price data was last updated on March 21, 2025.

The price you pay for your flight from Eugene to St. Louis may vary depending on when you book. For the best chance of a lower fare, look to book 83 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Eugene to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Eugene to St. Louis (average of $311). Flying from Eugene to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated March 25, 2025.
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,782 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,272 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,890 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,330 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,605 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Eugene to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Eugene to St. Louis round-trip?

    According to our current data, American Airlines ($327), Delta ($332), and Hawaiian Airlines ($391) offers the cheapest pricing from Eugene to St. Louis. These flights start at 33% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Eugene to St. Louis one-way?

    $173 is the cheapest one-way deal found within the past few days, from Hawaiian Airlines. You may also be able to find cheap deals on Alaska Airlines and American Airlines, with prices starting from $202 and $264, respectively.

  • Can I find deals for flights from Eugene to St. Louis that include hotel bookings?

    Yes. In addition to deals on Eugene to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Eugene to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Eugene to St. Louis.

  • Can I find deals for business class flights from Eugene to St. Louis?

    Yes. Cheapflights offers flight deals from Eugene to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Eugene to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Eugene to St. Louis (average of $311). Flying from Eugene to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Eugene?

Book flights to Eugene if you plan to visit one of these locations
Fenton
Fairview Heights
Maryland Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Glencoe
Alton
Farmington
Chesterfield

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Top 4 airlines flying from Eugene to St. Louis

Discover the top 4 airlines that operate flights from Eugene to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$297Average$563FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$308Average$412FlexibilityNo cancel feeOn-time71%
DeltaCheapest$316Average$478FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$333Average$543FlexibilityNo cancel feeOn-time69%
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