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St. Louis

$514+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — STL
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
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 April 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$740
(Mytrip)

One-way from

$514
(Mytrip)

Popular in

July

Cheapest in

February

Average price

$921
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. 6% potential increase in price ($64 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 15, 2025.

This Mytrip deal was found by Cheapflights users on 4/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/312:15 pmDUB - STL
3 stops29h 55mMultiple Airlines
Sun 5/111:00 pmSTL - DUB
3 stops18h 15mMultiple Airlines
Deal found 4/14$740
This Expedia deal was found by Cheapflights users on 4/15. 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.
Thu 7/248:15 pmDUB - STL
2 stops33h 24mScandinavian Airlines
Mon 8/253:30 pmSTL - DUB
2 stops20h 45mScandinavian Airlines
Deal found 4/15$761
This TravelUp deal was found by Cheapflights users on 4/14. 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 5/311:10 amDUB - STL
2 stops16h 48mKLM
Sun 5/113:50 pmSTL - DUB
1 stop10h 05mKLM
Deal found 4/14$851
This TravelUp deal was found by Cheapflights users on 4/14. 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 5/310:00 amDUB - STL
1 stop12h 46mAir France
Sun 5/1111:32 amSTL - DUB
1 stop14h 23mAir France
Deal found 4/14$857
This Justfly.com deal was found by Cheapflights users on 4/15. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/211:00 pmDUB - STL
1 stop13h 16mAer Lingus
Sat 11/2911:20 amSTL - DUB
1 stop11h 55mAer Lingus
Deal found 4/15$889
This Delta deal was found by Cheapflights users on 4/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2111:00 amDUB - STL
1 stop15h 39mDelta
Sun 5/411:15 amSTL - DUB
1 stop14h 40mDelta
Deal found 4/14$890
This American Airlines deal was found by Cheapflights users on 4/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2011:45 amDUB - STL
1 stop17h 38mAmerican Airlines
Sat 10/42:01 pmSTL - DUB
1 stop13h 44mAmerican Airlines
Deal found 4/14$893
This British Airways deal was found by Cheapflights users on 4/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2110:45 amDUB - STL
2 stops16h 56mBritish Airways
Sat 11/294:39 pmSTL - DUB
2 stops14h 01mBritish Airways
Deal found 4/14$897
This United Airlines deal was found by Cheapflights users on 4/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/139:50 amDUB - STL
2 stops17h 58mUnited Airlines
Tue 5/209:40 amSTL - DUB
2 stops15h 40mUnited Airlines
Deal found 4/13$965
This Ticket deal was found by Cheapflights users on 4/15. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/309:30 amDUB - STL
1 stop17h 28mIberia
Fri 6/68:05 pmSTL - DUB
1 stop9h 35mIberia
Deal found 4/15$1,010
This deal was found by Cheapflights users on 4/14. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/209:50 amDUB - STL
1 stop11h 26mAir Canada
Sat 8/24:00 pmSTL - DUB
1 stop10h 15mAir Canada
Deal found 4/14$1,214

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 April 15, 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

Sat 5/3

12:15 pm-12:10 pm

3 stops29h 55m

Lambert-St Louis

Sun 5/11

1:00 pm-1:15 pm

3 stops18h 15m

$740

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Thu 7/24

8:15 pm-11:39 pm

2 stops33h 24m

Lambert-St Louis

Mon 8/25

3:30 pm-6:15 pm

2 stops20h 45m

$761

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sat 5/3

11:10 am-9:58 pm

2 stops16h 48m

Lambert-St Louis

Sun 5/11

3:50 pm-7:55 am

1 stop10h 05m

$851

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sat 5/3

10:00 am-4:46 pm

1 stop12h 46m

Lambert-St Louis

Sun 5/11

11:32 am-7:55 am

1 stop14h 23m

$857

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sat 9/20

11:45 am-11:23 pm

1 stop17h 38m

Lambert-St Louis

Sat 10/4

2:01 pm-9:45 am

1 stop13h 44m

$893

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sat 9/20

5:55 am-4:51 pm

2 stops16h 56m

Lambert-St Louis

Sat 10/4

5:45 pm-3:00 pm

2 stops15h 15m

$935

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Tue 5/13

9:50 am-9:48 pm

2 stops17h 58m

Lambert-St Louis

Tue 5/20

9:40 am-7:20 am

2 stops15h 40m

$965

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Fri 5/30

9:30 am-8:58 pm

1 stop17h 28m

Lambert-St Louis

Fri 6/6

6:20 am-6:30 am

1 stop18h 10m

$1,009

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Fri 5/30

9:30 am-8:58 pm

1 stop17h 28m

Lambert-St Louis

Fri 6/6

8:05 pm-11:40 am

1 stop9h 35m

$1,010

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Tue 5/6

4:40 pm-11:51 pm

1 stop13h 11m

Lambert-St Louis

Fri 5/9

6:00 am-8:10 am

1 stop20h 10m

$1,056

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 17 results
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 April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust 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 eDreams the most. eDreams 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

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 April 15, 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair 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
7,917 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,917 reviews
Delta
8.0
Very good
7,917 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very good
7,917 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very good
7,917 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.5
Good
1,435 reviews
Delta
8.0
Very good
7,917 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,658 reviews
Delta
8.0
Very good
7,917 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 $761 on this airline. Additional options worth looking into are KLM and Air France, starting at $851 and $857 round-trip. You may be able to fly from Dublin to St. Louis for 18% less than the average price by searching for these airlines.

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

    $526 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Aer Lingus and Finnair, with prices starting from $640 and $817, 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
Fenton
Maryland Heights
Fairview Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Glencoe
Alton
Farmington
Chesterfield

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