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St. Louis

$470+ 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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — STL
Jul 11 — Jul 181
Sat 7/11
Sat 7/18
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 June 11, 2026.

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.
Mon 7/139:40 am
DUB
-
STL
2 stops29h 51m
WestJet
Mon 7/276:09 pm
STL
-
DUB
2 stops32h 11m
WestJet
Deal found 6/10$924
This lol.travel deal was found by Cheapflights users on 6/6. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/149:30 am
DUB
-
STL
1 stop20h 46m
Finnair
Sat 6/275:11 pm
STL
-
DUB
1 stop12h 39m
Finnair
Deal found 6/6$934
This Expedia deal was found by Cheapflights users on 6/7. 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.
Sat 9/129:30 am
DUB
-
STL
1 stop18h 25m
Iberia
Sat 9/193:34 pm
STL
-
DUB
1 stop12h 11m
Iberia
Deal found 6/7$968
This Flighttix deal was found by Cheapflights users on 6/8. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/241:45 pm
DUB
-
STL
2 stops15h 59m
Multiple Airlines
Sat 7/1811:18 am
STL
-
DUB
1 stop13h 12m
Multiple Airlines
Deal found 6/8$981
This Expedia deal was found by Cheapflights users on 6/8. 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 6/241:45 pm
DUB
-
STL
1 stop16h 14m
Iberia
Sat 7/185:19 pm
STL
-
DUB
1 stop12h 31m
Iberia
Deal found 6/8$982
This Iberia deal was found by Cheapflights users on 6/7. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/1412:40 pm
DUB
-
STL
1 stop14h 57m
Iberia
Sat 6/278:14 pm
STL
-
DUB
1 stop9h 36m
Iberia
Deal found 6/7$986
This American Airlines deal was found by Cheapflights users on 6/7. 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.
Sat 9/129:30 am
DUB
-
STL
2 stops14h 34m
American Airlines
Sat 9/198:43 am
STL
-
DUB
1 stop18h 52m
American Airlines
Deal found 6/7$1,001
This lastminute.com deal was found by Cheapflights users on 6/7. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/129:40 am
DUB
-
STL
2 stops16h 51m
Multiple Airlines
Sat 9/1912:59 pm
STL
-
DUB
2 stops14h 56m
Multiple Airlines
Deal found 6/7$1,002
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.
Mon 7/139:40 am
DUB
-
STL
2 stops16h 42m
Multiple Airlines
Mon 7/2712:10 pm
STL
-
DUB
1 stop13h 35m
Multiple Airlines
Deal found 6/10$1,088
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/139:30 am
DUB
-
STL
1 stop20h 46m
Finnair
Mon 7/275:58 pm
STL
-
DUB
1 stop11h 52m
Finnair
Deal found 6/10$1,098
This Iberia deal was found by Cheapflights users on 6/9. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/159:30 am
DUB
-
STL
1 stop15h 27m
Iberia
Fri 9/48:07 pm
STL
-
DUB
1 stop9h 43m
Iberia
Deal found 6/9$1,101

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 June 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$968
(Expedia)

One-way from

$470
(oojo)

Popular in

August

Cheapest in

September

Average price

$1,174
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. 2% potential increase in price ($31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 11, 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

Mon 7/13

9:40 am-9:31 am

2 stops29h 51m

Lambert-St Louis

Mon 7/27

6:09 pm-8:20 am

2 stops32h 11m

$924

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sat 9/12

9:30 am-9:55 pm

1 stop18h 25m

Lambert-St Louis

Sat 9/19

3:34 pm-9:45 am

1 stop12h 11m

$968

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sat 9/12

9:30 am-6:04 pm

2 stops14h 34m

Lambert-St Louis

Sat 9/19

8:43 am-9:35 am

1 stop18h 52m

$1,001

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Mon 7/13

9:40 am-8:22 pm

2 stops16h 42m

Lambert-St Louis

Mon 7/27

12:10 pm-7:45 am

1 stop13h 35m

$1,088

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Mon 7/13

9:30 am-12:16 am

1 stop20h 46m

Lambert-St Louis

Mon 7/27

5:58 pm-11:50 am

1 stop11h 52m

$1,098
Quickest round-trip

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Mon 7/13

9:30 am-7:18 pm

1 stop15h 48m

Lambert-St Louis

Mon 7/27

7:56 pm-11:50 am

1 stop9h 54m

$1,102

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sat 8/15

8:55 am-10:03 pm

2 stops19h 08m

Lambert-St Louis

Fri 9/4

6:20 am-7:55 am

1 stop19h 35m

$1,187
Cheapest one-way

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sun 6/28

10:40 am-6:36 pm

3 stops37h 56m

$579
Quickest one-way

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Fri 7/3

12:15 pm-11:23 pm

2 stops17h 08m

$606

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Tue 6/30

2:50 pm-11:18 am

3 stops50h 28m

$608

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/8

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

Compare providers for flights from Dublin 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 Dublin to St. Louis in June.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust 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 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 $1,001, WestJet can have you in St. Louis from Dublin in 14h 34m. 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
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Alton
Farmington

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