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St. Louis

$455+ Cheap flights from Dublin (DUB) to St. Louis (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 6/19. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — STL
juin 17 — juin 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheap flight deals from Dublin to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) 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 juin 12, 2025.

Round-trip from

$834
(Scandinavian Airlines)

One-way from

$455
(Mytrip)

Popular in

May

Cheapest in

August

Average price

$991
From Dublin to Lambert-St Louis
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One-way flight from Dublin to Lambert-St Louis
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Highest demand for flights based on searches. 6% potential increase in price ($61 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Dublin to St. Louis

Cheapest flights from Dublin to St. Louis
Explore the most affordable flight options available from Dublin to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juin 12, 2025.

This Scandinavian Airlines deal was found by Cheapflights users on 6/11. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/228:15 pmDUB - STL
2 stops33h 38mScandinavian Airlines
lun. 8/253:42 pmSTL - DUB
2 stops38h 08mScandinavian Airlines
Deal found 6/11$834
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 8/273:30 pmDUB - STL
3 stops46h 19mMultiple Airlines
dim. 8/314:00 pmSTL - DUB
1 stop12h 40mMultiple Airlines
Deal found 6/10$857
This Delta deal was found by Cheapflights users on 6/12. 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.
sam. 9/205:55 amDUB - STL
2 stops16h 56mDelta
sam. 10/44:40 pmSTL - DUB
2 stops16h 20mDelta
Deal found 6/12$862
This American Airlines deal was found by Cheapflights users on 6/10. 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.
jeu. 6/191:45 pmDUB - STL
1 stop12h 45mAmerican Airlines
mer. 7/25:30 amSTL - DUB
1 stop18h 00mAmerican Airlines
Deal found 6/10$895
This Bravofly deal was found by Cheapflights users on 6/10. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 6/1912:40 pmDUB - STL
1 stop12h 55mIberia
mer. 7/25:29 pmSTL - DUB
1 stop34h 16mIberia
Deal found 6/10$898
This United Airlines deal was found by Cheapflights users on 6/11. 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.
ven. 11/219:00 amDUB - STL
1 stop12h 26mUnited Airlines
sam. 11/2911:45 amSTL - DUB
2 stops13h 15mUnited Airlines
Deal found 6/11$900
This British Airways deal was found by Cheapflights users on 6/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 9/208:10 pmDUB - STL
2 stops30h 15mBritish Airways
sam. 10/45:25 pmSTL - DUB
2 stops17h 15mBritish Airways
Deal found 6/10$912
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 6/199:20 amDUB - STL
2 stops33h 16mAir Canada
mer. 7/26:33 amSTL - DUB
3 stops19h 12mAir Canada
Deal found 6/10$951
This Finnair deal was found by Cheapflights users on 6/11. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 7/241:45 pmDUB - STL
1 stop16h 06mFinnair
lun. 8/254:19 pmSTL - DUB
1 stop13h 21mFinnair
Deal found 6/11$1,006
This KLM deal was found by Cheapflights users on 6/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/2210:00 amDUB - STL
2 stops14h 47mKLM
lun. 8/253:30 pmSTL - DUB
1 stop10h 25mKLM
Deal found 6/11$1,097
This Kissandfly.com deal was found by Cheapflights users on 6/12. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 6/192:15 pmDUB - STL
3 stops27h 44mIcelandair
mer. 7/26:00 amSTL - DUB
2 stops19h 10mIcelandair
Deal found 6/12$1,591
This oojo deal was found by Cheapflights users on 6/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 7/1611:35 amDUB - STL
1 stop14h 44mAer Lingus
lun. 8/187:23 amSTL - DUB
1 stop21h 17mAer Lingus
Deal found 6/10$2,453

Cheapflights Fare Finder

Customize your flight search to find flights from Dublin 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 juin 12, 2025.
Use the filters below to find and compare flights from Dublin to St. Louis that are best for you.

Fly from

Dublin

Fly to

St. Louis

Route

Depart

Return

Price

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

mar. 7/22

8:15 pm-11:53 pm

2 stops33h 38m

Lambert-St Louis

lun. 8/25

3:42 pm-11:50 am

2 stops38h 08m

$834

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

mer. 8/27

3:30 pm-7:49 am

3 stops46h 19m

Lambert-St Louis

dim. 8/31

4:00 pm-10:40 am

1 stop12h 40m

$857

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

sam. 9/20

5:55 am-4:51 pm

2 stops16h 56m

Lambert-St Louis

sam. 10/4

4:40 pm-3:00 pm

2 stops16h 20m

$862

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

ven. 11/21

2:05 pm-10:29 pm

1 stop14h 24m

Lambert-St Louis

sam. 11/29

1:55 pm-7:15 am

1 stop11h 20m

$897

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

ven. 11/21

9:00 am-3:26 pm

1 stop12h 26m

Lambert-St Louis

sam. 11/29

11:45 am-7:00 am

2 stops13h 15m

$900

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

sam. 9/20

8:10 pm-11:48 pm

2 stops33h 38m

Lambert-St Louis

sam. 10/4

5:25 pm-4:40 pm

2 stops17h 15m

$909

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

ven. 7/4

12:40 pm-8:54 pm

1 stop14h 14m

Lambert-St Louis

lun. 7/7

12:27 pm-9:45 am

1 stop15h 18m

$990

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

jeu. 7/24

1:45 pm-11:51 pm

1 stop16h 06m

Lambert-St Louis

lun. 8/25

4:19 pm-11:40 am

1 stop13h 21m

$1,006

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

sam. 7/26

9:20 am-7:45 pm

2 stops16h 25m

Lambert-St Louis

sam. 8/2

5:00 am-8:15 am

2 stops21h 15m

$1,073

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

mar. 7/22

10:00 am-6:47 pm

2 stops14h 47m

Lambert-St Louis

lun. 8/25

3:30 pm-7:55 am

1 stop10h 25m

$1,097

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 18 results
1
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Best time to book a flight from Dublin to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Dublin 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 Dublin to St. Louis

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

Currently, August is the cheapest month in which you can book a flight from Dublin to St. Louis (average of $311). Flying from Dublin 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 juin 12, 2025.
Get a feel of what it's like to fly with Delta, KLM and Austrian Airlines from Dublin to St. Louis by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
802 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Dublin 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 Dublin to St. Louis round-trip?

    Our cheapest airline available from Dublin to St. Louis is Scandinavian Airlines. Our recent data shows that you can find tickets from as low as $834 on this airline. Additional options worth looking into are Delta and American Airlines, starting at $862 and $897 round-trip. You may be able to fly from Dublin to St. Louis for 11% less than the average price by searching for these airlines.

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

    $790 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on WestJet and United Airlines, with prices starting from $858 and $1,436, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dublin 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 Dublin to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Dublin to St. Louis (average of $311). Flying from Dublin 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 Dublin?

Book flights to Dublin if you plan to visit one of these locations
O'Fallon
Maryland Heights
Fairview Heights
Collinsville
Eureka
St. Peters
Glencoe
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Alton
Farmington

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