What are the cheapest airlines flying from Dublin to St. Louis round-trip?

Our cheapest airline available from Dublin to St. Louis is Iberia. Our recent data shows that you can find tickets from as low as $831 on this airline. Additional options worth looking into are Delta and British Airways, starting at $843 and $848 round-trip. You may be able to fly from Dublin to St. Louis for 10% less than the average price by searching for these airlines.

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

$399 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 Iberia, with prices starting from $742 and $779, respectively.

What is the cheapest month to fly from Dublin to St. Louis?

Our data shows that February tends to be the cheapest month to fly to St. Louis from Dublin. Users have commonly found prices around $929 for the month, but tickets can be as low as $765. Due to multiple factors, prepare for potentially higher prices in July.

What is the cheapest time of day to fly from DUB to STL?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Dublin to St. Louis as you normally would.

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.

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.

$319+ Flights from Dublin to St. Louis

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1. Tell us where you want to go

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Cheap flight deals from Dublin to St. Louis

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$682 (Mytrip)
One-way from	$319 (Kiwi.com)
Popular in	July
Cheapest in	February
Average price	$960

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).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

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 March 25, 2025.

Wed 5/712:15 pmDUB - STL

3 stops29h 30mMultiple Airlines

Wed 5/1412:15 pmSTL - DUB

3 stops19h 00mMultiple Airlines

Deal found 3/23

$682

Sun 5/412:40 pmDUB - STL

1 stop15h 48mIberia

Sat 5/101:45 pmSTL - DUB

1 stop10h 45mIberia

Deal found 3/24

$831

Mon 3/315:55 amDUB - STL

2 stops23h 31mDelta

Sun 4/131:05 pmSTL - DUB

1 stop13h 40mDelta

Deal found 3/24

$836

Wed 5/712:40 pmDUB - STL

1 stop12h 49mBritish Airways

Wed 5/141:45 pmSTL - DUB

1 stop10h 45mBritish Airways

Deal found 3/22

$848

Fri 11/211:00 pmDUB - STL

1 stop13h 16mAer Lingus

Sat 11/2911:20 amSTL - DUB

1 stop15h 40mAer Lingus

Deal found 3/24

$855

Wed 5/711:45 amDUB - STL

1 stop12h 22mAmerican Airlines

Wed 5/141:45 pmSTL - DUB

1 stop10h 45mAmerican Airlines

Deal found 3/23

$861

Wed 5/79:50 amDUB - STL

2 stops40h 08mAir Canada

Wed 5/141:30 pmSTL - DUB

2 stops36h 45mAir Canada

Deal found 3/22

$894

Wed 5/79:20 amDUB - STL

2 stops37h 49mUnited Airlines

Wed 5/1410:39 amSTL - DUB

2 stops14h 41mUnited Airlines

Deal found 3/22

$911

Mon 3/319:45 amDUB - STL

2 stops18h 33mFinnair

Sun 4/1311:21 amSTL - DUB

1 stop16h 24mFinnair

Deal found 3/24

$1,162

Wed 8/135:55 amDUB - STL

2 stops14h 21mKLM

Mon 8/252:18 pmSTL - DUB

1 stop13h 42mKLM

Deal found 3/23

$2,991

Sun 8/105:55 amDUB - STL

1 stop13h 35mLufthansa

Fri 8/223:30 pmSTL - DUB

1 stop14h 00mLufthansa

Deal found 3/24

$3,155

Fri 8/1512:00 pmDUB - STL

2 stops14h 47mAir France

Sat 8/3012:10 pmSTL - DUB

1 stop13h 35mAir France

Deal found 3/24

$3,191

Best flights from Dublin to St. Louis
Discover carefully curated flight deals from Dublin to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 25, 2025.

Wed 5/712:15 pmDUB - STL

3 stops29h 30mMultiple Airlines

Wed 5/1412:15 pmSTL - DUB

3 stops19h 00mMultiple Airlines

Deal found 3/23

$682

Sun 5/412:40 pmDUB - STL

1 stop15h 48mIberia

Sat 5/101:45 pmSTL - DUB

1 stop10h 45mIberia

Deal found 3/24

$831

Sun 5/48:55 amDUB - STL

2 stops20h 39mDelta

Sat 5/106:00 amSTL - DUB

2 stops21h 15mDelta

Deal found 3/24

$843

Wed 5/712:40 pmDUB - STL

1 stop12h 49mBritish Airways

Wed 5/141:45 pmSTL - DUB

1 stop10h 45mBritish Airways

Deal found 3/22

$848

Wed 5/711:45 amDUB - STL

1 stop12h 22mAmerican Airlines

Wed 5/141:45 pmSTL - DUB

1 stop10h 45mAmerican Airlines

Deal found 3/23

$861

Wed 5/79:50 amDUB - STL

2 stops40h 08mAir Canada

Wed 5/141:30 pmSTL - DUB

2 stops36h 45mAir Canada

Deal found 3/22

$894

Wed 5/79:20 amDUB - STL

2 stops37h 49mUnited Airlines

Wed 5/1410:39 amSTL - DUB

2 stops14h 41mUnited Airlines

Deal found 3/22

$911

Thu 7/2410:00 amDUB - STL

1 stop16h 30mKLM

Sun 7/273:30 pmSTL - DUB

1 stop11h 15mKLM

Deal found 3/24

$1,003

Wed 8/134:40 pmDUB - STL

1 stop11h 09mAer Lingus

Mon 8/186:38 amSTL - DUB

1 stop19h 32mAer Lingus

Deal found 3/24

$2,247

Sun 8/105:55 amDUB - STL

1 stop13h 35mLufthansa

Fri 8/223:30 pmSTL - DUB

1 stop14h 00mLufthansa

Deal found 3/24

$3,155

Fri 8/1512:00 pmDUB - STL

2 stops14h 47mAir France

Sat 8/3012:10 pmSTL - DUB

1 stop13h 35mAir France

Deal found 3/24

$3,191

Fri 8/158:50 pmDUB - STL

3 stops29h 57mScandinavian Airlines

Thu 8/281:30 pmSTL - DUB

2 stops22h 45mScandinavian Airlines

Deal found 3/24

$3,561

Last-minute flights from Dublin to St. Louis
Discover last-minute flight deals from Dublin to St. Louis. Data last updated March 25, 2025 and is based on user searches.

Sat 3/2911:50 amDUB - STL

1 stop27h 08mUnited Airlines

Sat 4/125:33 pmSTL - DUB

1 stop10h 12mUnited Airlines

Deal found 3/23

$1,007

Mon 3/315:55 amDUB - STL

2 stops23h 31mDelta

Sun 4/131:05 pmSTL - DUB

1 stop13h 40mDelta

Deal found 3/24

$836

Mon 3/3112:40 pmDUB - STL

1 stop12h 50mMultiple Airlines

Sun 4/132:03 pmSTL - DUB

1 stop10h 27mMultiple Airlines

Deal found 3/24

$841

Mon 3/3111:45 amDUB - STL

1 stop13h 27mAmerican Airlines

Sun 4/136:15 amSTL - DUB

1 stop18h 15mAmerican Airlines

Deal found 3/24

$852

Mon 3/319:45 amDUB - STL

2 stops18h 33mFinnair

Sun 4/1311:21 amSTL - DUB

1 stop16h 24mFinnair

Deal found 3/24

$1,162

One-way flights from Dublin to St. Louis
Search for one-way flight options from Dublin to St. Louis. Find affordable one-way fares based on user searches. Data last updated March 25, 2025.

Wed 5/711:30 amDUB - STL

2 stops18h 36mMultiple Airlines

Deal found 3/23

$319

Tue 5/2712:50 pmDUB - STL

2 stops33h 57mWestJet

Deal found 3/24

$399

Sat 5/174:40 pmDUB - STL

1 stop11h 12mAer Lingus

Deal found 3/24

$742

Sun 6/19:30 amDUB - STL

1 stop17h 28mIberia

Deal found 3/23

$779

Mon 4/148:50 amDUB - STL

3 stops36h 57mUnited Airlines

Deal found 3/24

$1,363

Cheapflights Fare Finder

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

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Wed 5/7

12:15 pm-11:45 am

3 stops29h 30m

Lambert-St Louis

Wed 5/14

12:15 pm-1:15 pm

3 stops19h 00m

$682

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sun 5/4

12:40 pm-10:28 pm

1 stop15h 48m

Lambert-St Louis

Sat 5/10

1:45 pm-6:30 am

1 stop10h 45m

$831

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sun 5/4

8:55 am-11:34 pm

2 stops20h 39m

Lambert-St Louis

Sat 5/10

6:00 am-9:15 am

2 stops21h 15m

$843

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Wed 5/7

12:40 pm-7:29 pm

1 stop12h 49m

Lambert-St Louis

Wed 5/14

1:45 pm-6:30 am

1 stop10h 45m

$848

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Wed 5/7

11:45 am-6:07 pm

1 stop12h 22m

Lambert-St Louis

Wed 5/14

1:45 pm-6:30 am

1 stop10h 45m

$861

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Wed 5/7

9:50 am-7:58 pm

2 stops40h 08m

Lambert-St Louis

Wed 5/14

1:30 pm-8:15 am

2 stops36h 45m

$894

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Wed 5/7

9:20 am-5:09 pm

2 stops37h 49m

Lambert-St Louis

Wed 5/14

10:39 am-7:20 am

2 stops14h 41m

$911

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Thu 7/24

10:00 am-8:30 pm

1 stop16h 30m

Lambert-St Louis

Sun 7/27

3:30 pm-8:45 am

1 stop11h 15m

$1,003

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Wed 8/13

4:40 pm-9:49 pm

1 stop11h 09m

Lambert-St Louis

Mon 8/18

6:38 am-8:10 am

1 stop19h 32m

$2,247

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sun 8/10

5:55 am-1:30 pm

1 stop13h 35m

Lambert-St Louis

Fri 8/22

3:30 pm-11:30 am

1 stop14h 00m

$3,155

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

Showing 1-10 of 17 results

Compare providers for flights from Dublin to St. Louis

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 March.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust 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

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

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

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 a feel of what it's like to fly with Delta, KLM and Air France 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

7,890 reviews

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

7,890 reviews

Delta

8.0

Very good

7,890 reviews

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

1,318 reviews

Delta

8.0

Very good

7,890 reviews

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

7.4

Good

1,423 reviews

Delta

8.0

Very good

7,890 reviews

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

8,605 reviews

Delta

8.0

Very good

7,890 reviews

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

Scandinavian Airlines

7.3

Good

1,324 reviews

Delta

8.0

Very good

7,890 reviews

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

What are the cheapest airlines flying from Dublin to St. Louis round-trip?
Our cheapest airline available from Dublin to St. Louis is Iberia. Our recent data shows that you can find tickets from as low as $831 on this airline. Additional options worth looking into are Delta and British Airways, starting at $843 and $848 round-trip. You may be able to fly from Dublin to St. Louis for 10% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Dublin to St. Louis one-way?
$399 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 Iberia, with prices starting from $742 and $779, 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

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$319+ 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dublin to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Dublin to St. Louis

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Dublin to St. Louis

Cheapest flights from Dublin to St. LouisExplore 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 25, 2025.

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 25, 2025.

Cheapflights Fare Finder

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

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 March.

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.

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?

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

Reviews of airlines servicing St. Louis

Get a feel of what it's like to fly with Delta, KLM and Air France 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.

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?

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

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

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

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

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

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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 25, 2025.