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St. Louis

$416+ 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — STL
Sep 1 — Sep 81
Tue 9/1
Tue 9/8
1 adult, Economy
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1. Tell us where you want to go

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2. Select your favorite providers

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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 August 2, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Thu 8/2710:00 pm
DUB
-
STL
2 stops48h 11m
Multiple Airlines
Wed 9/911:21 am
STL
-
DUB
1 stop14h 34m
Multiple Airlines
Deal found 7/28$857
This Mytrip deal was found by Cheapflights users on 7/31. 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 9/147:55 am
DUB
-
STL
2 stops35h 30m
Multiple Airlines
Mon 9/2112:10 pm
STL
-
DUB
3 stops25h 10m
Multiple Airlines
Deal found 7/31$869
This lastminute.com deal was found by Cheapflights users on 7/30. 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.
Fri 9/47:05 pm
DUB
-
STL
2 stops31h 28m
Scandinavian Airlines
Thu 9/1712:00 pm
STL
-
DUB
2 stops39h 25m
Scandinavian Airlines
Deal found 7/30$935
This Kiwi.com deal was found by Cheapflights users on 8/1. 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.
Sat 9/56:55 am
DUB
-
STL
2 stops39h 16m
Multiple Airlines
Tue 9/153:30 pm
STL
-
DUB
1 stop19h 20m
Multiple Airlines
Deal found 8/1$943
This Mytrip deal was found by Cheapflights users on 7/30. 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.
Sun 9/133:05 pm
DUB
-
STL
3 stops28h 20m
Multiple Airlines
Sun 9/203:30 pm
STL
-
DUB
2 stops24h 30m
Multiple Airlines
Deal found 7/30$961
This Mytrip deal was found by Cheapflights users on 8/1. 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.
Tue 9/157:00 pm
DUB
-
STL
2 stops24h 25m
Multiple Airlines
Tue 9/222:40 pm
STL
-
DUB
2 stops21h 40m
Multiple Airlines
Deal found 8/1$1,003

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 August 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$857
(Kiwi.com)

One-way from

$416
(Kiwi.com)

Popular in

July

Cheapest in

April

Average price

$1,255
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. 12% potential increase in price ($160 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 August 2, 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

Thu 8/27

10:00 pm-4:11 pm

2 stops48h 11m

Lambert-St Louis

Wed 9/9

11:21 am-7:55 am

1 stop14h 34m

$857

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Fri 9/4

7:05 pm-8:33 pm

2 stops31h 28m

Lambert-St Louis

Thu 9/17

12:00 pm-9:25 am

2 stops39h 25m

$935

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Mon 9/14

2:30 pm-1:25 pm

2 stops28h 55m

Lambert-St Louis

Mon 9/21

2:40 pm-2:50 pm

2 stops18h 10m

$1,027

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Thu 8/27

9:30 am-4:23 pm

1 stop12h 53m

Lambert-St Louis

Wed 9/9

6:30 am-6:30 am

1 stop18h 00m

$1,050
Quickest round-trip

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Wed 12/2

9:30 am-6:38 pm

2 stops15h 08m

Lambert-St Louis

Sun 12/6

3:15 pm-9:55 am

2 stops12h 40m

$1,055

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sat 9/5

9:50 am-9:13 am

2 stops29h 23m

Lambert-St Louis

Tue 9/15

1:49 pm-9:05 am

2 stops37h 16m

$1,063

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Fri 9/4

9:40 am-12:14 am

2 stops20h 34m

Lambert-St Louis

Thu 9/17

12:46 pm-9:45 am

1 stop14h 59m

$1,097
Cheapest one-way

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Thu 11/19

7:00 am-7:39 pm

2 stops18h 39m

$416

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Mon 9/14

7:50 pm-1:10 pm

3 stops47h 20m

$534

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sat 12/5

8:45 am-8:21 pm

2 stops17h 36m

$624

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 15 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 August.
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?

Airfare is below average for this route at the moment.

Dublin to St. Louis flights typically cost between $1,224 and $1,335 in August.
The cheapest round-trip price found within the last 5 days was $857 on Multiple Airlines (Aug 27-Sep 9).

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 $1,052, Scandinavian Airlines can have you in St. Louis from Dublin in 19h 06m. 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
Farmington

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