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St. Louis

$387+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — STL
Apr 16 — Apr 231
Thu 4/16
Thu 4/23
1 adult, Economy
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Cheap 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 March 17, 2026.

This Gotogate deal was found by Cheapflights users on 3/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2512:00 pm
DUB
-
STL
1 stop13h 30m
Multiple Airlines
Sat 9/52:40 pm
STL
-
DUB
2 stops35h 05m
Multiple Airlines
Deal found 3/16$836
This Expedia deal was found by Cheapflights users on 3/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/299:40 am
DUB
-
STL
1 stop15h 50m
Aer Lingus
Wed 5/69:35 pm
STL
-
DUB
1 stop12h 10m
Aer Lingus
Deal found 3/15$961
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:50 am
DUB
-
STL
2 stops21h 29m
Multiple Airlines
Wed 5/62:53 pm
STL
-
DUB
1 stop11h 22m
Multiple Airlines
Deal found 3/15$968
This Finnair deal was found by Cheapflights users on 3/16. 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.
Sat 5/99:30 am
DUB
-
STL
1 stop18h 49m
Finnair
Sun 5/245:00 pm
STL
-
DUB
1 stop12h 50m
Finnair
Deal found 3/16$987
This TravelUp deal was found by Cheapflights users on 3/14. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/119:30 am
DUB
-
STL
1 stop13h 51m
Multiple Airlines
Sat 4/189:34 am
STL
-
DUB
1 stop18h 11m
Multiple Airlines
Deal found 3/14$994
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/277:25 am
DUB
-
STL
2 stops21h 54m
Multiple Airlines
Mon 5/45:21 pm
STL
-
DUB
1 stop11h 14m
Multiple Airlines
Deal found 3/13$999
This American Airlines deal was found by Cheapflights users on 3/15. 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.
Thu 4/2311:45 am
DUB
-
STL
1 stop12h 19m
American Airlines
Sun 4/269:10 am
STL
-
DUB
1 stop18h 25m
American Airlines
Deal found 3/15$1,001
This British Airways deal was found by Cheapflights users on 3/15. 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.
Thu 4/238:20 pm
DUB
-
STL
1 stop29h 10m
British Airways
Sun 4/262:33 pm
STL
-
DUB
2 stops13h 07m
British Airways
Deal found 3/15$1,005

Find 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 March 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$836
(Gotogate)

One-way from

$387
(Kiwi.com)

Popular in

January

Cheapest in

August

Average price

$1,016
Provider with most accurate pricing for Dublin-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Dublin-Lambert-St Louis flights.
Search Deals
From Dublin to Lambert-St Louis
Search Deals
One-way flight from Dublin to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 17, 2026.
Use the filters below to find and compare flights from Dublin to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sat 5/9

9:30 am-10:19 pm

1 stop18h 49m

Lambert-St Louis

Sun 5/24

5:00 pm-11:50 am

1 stop12h 50m

$987

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Thu 4/23

3:30 pm-7:30 pm

1 stop34h 00m

Lambert-St Louis

Sun 4/26

2:33 pm-9:40 am

2 stops13h 07m

$1,005

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Wed 5/6

9:40 am-10:17 pm

2 stops18h 37m

Lambert-St Louis

Wed 5/20

5:21 pm-11:50 am

1 stop12h 29m

$1,061
Quickest round-trip

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Mon 4/13

12:30 pm-7:22 pm

1 stop12h 52m

Lambert-St Louis

Tue 4/28

1:10 pm-9:45 am

1 stop14h 35m

$1,062

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Wed 5/6

5:55 am-2:29 pm

2 stops14h 34m

Lambert-St Louis

Wed 5/20

5:36 pm-7:55 am

1 stop32h 19m

$1,063
Cheapest one-way

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Wed 6/17

12:15 pm-6:36 pm

3 stops36h 21m

$483

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Fri 6/19

1:15 pm-11:01 pm

2 stops15h 46m

$548

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Mon 7/13

9:40 am-8:31 pm

2 stops16h 51m

$647

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Mon 7/13

8:45 pm-11:38 pm

3 stops32h 53m

$695

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Fri 7/3

7:30 am-7:30 pm

1 stop18h 00m

$696

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/16

Showing 1-10 of 13 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Dublin-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Dublin-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Dublin-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Dublin-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 Dublin-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 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

How much does it cost to fly round-trip from Dublin to St. Louis?

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.

  • How long is the flight from Dublin to St. Louis?

    For as low as $987, Finnair can have you in St. Louis from Dublin in 18h 49m. There are 3909 mi between Dublin and St. Louis. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus

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