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

Our cheapest airline available from Dublin to St. Louis is British Airways. Our recent data shows that you can find tickets from as low as $812 on this airline. Additional options worth looking into are American Airlines and Iberia, starting at $822 and $823 round-trip. You may be able to fly from Dublin to St. Louis for 11% less than the average price by searching for these airlines.

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

$498 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 United Airlines, with prices starting from $730 and $1,316, 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 $921 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.

$498+ Flights from Dublin to St. Louis

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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	$742 (Mytrip)
One-way from	$498 (Cheapflightsfares)
Popular in	July
Cheapest in	February
Average price	$835

Provider with most accurate pricing for Dublin-Lambert-St Louis flight deals.

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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. 7% potential increase in price ($75 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in February 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 February 20, 2025.

Mon 3/1011:30 amDUB - STL

3 stops29h 15mMultiple Airlines

Wed 3/2612:15 pmSTL - DUB

3 stops17h 00mMultiple Airlines

Deal found 2/19

$742

Fri 11/2110:45 amDUB - STL

2 stops16h 56mBritish Airways

Sat 11/296:29 pmSTL - DUB

2 stops14h 31mBritish Airways

Deal found 2/20

$811

Fri 11/211:00 pmDUB - STL

1 stop13h 16mAer Lingus

Sat 11/297:49 amSTL - DUB

1 stop19h 11mAer Lingus

Deal found 2/20

$821

Sun 3/22:05 pmDUB - STL

2 stops15h 51mAmerican Airlines

Mon 3/172:02 pmSTL - DUB

1 stop13h 38mAmerican Airlines

Deal found 2/19

$822

Mon 3/102:05 pmDUB - STL

1 stop11h 36mIberia

Wed 3/262:02 pmSTL - DUB

1 stop13h 38mIberia

Deal found 2/19

$823

Thu 2/278:30 amDUB - STL

2 stops19h 16mLufthansa

Wed 3/121:00 pmSTL - DUB

1 stop16h 05mLufthansa

Deal found 2/20

$848

Thu 2/279:00 amDUB - STL

2 stops17h 44mUnited Airlines

Wed 3/121:05 pmSTL - DUB

2 stops16h 00mUnited Airlines

Deal found 2/20

$852

Thu 6/2612:00 pmDUB - STL

1 stop26h 32mDelta

Mon 8/45:45 pmSTL - DUB

2 stops15h 15mDelta

Deal found 2/20

$2,887

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 February 20, 2025.

Mon 3/1011:30 amDUB - STL

3 stops29h 15mMultiple Airlines

Wed 3/2612:15 pmSTL - DUB

3 stops17h 00mMultiple Airlines

Deal found 2/19

$742

Sat 4/58:35 amDUB - STL

2 stops15h 27mBritish Airways

Sat 4/123:29 pmSTL - DUB

2 stops14h 26mBritish Airways

Deal found 2/19

$812

Sun 3/22:05 pmDUB - STL

2 stops15h 51mAmerican Airlines

Mon 3/172:02 pmSTL - DUB

1 stop13h 38mAmerican Airlines

Deal found 2/19

$822

Mon 3/102:05 pmDUB - STL

1 stop11h 36mIberia

Wed 3/262:02 pmSTL - DUB

1 stop13h 38mIberia

Deal found 2/19

$823

Sun 3/29:00 amDUB - STL

1 stop12h 06mUnited Airlines

Mon 3/171:00 pmSTL - DUB

1 stop16h 05mUnited Airlines

Deal found 2/19

$860

Thu 6/2611:35 amDUB - STL

1 stop13h 21mAer Lingus

Mon 8/47:23 amSTL - DUB

1 stop15h 47mAer Lingus

Deal found 2/20

$2,194

Thu 6/2612:00 pmDUB - STL

1 stop26h 32mDelta

Mon 8/45:45 pmSTL - DUB

2 stops15h 15mDelta

Deal found 2/20

$2,887

Last-minute flights from Dublin to St. Louis
Discover last-minute flight deals from Dublin to St. Louis. Data last updated February 20, 2025 and is based on user searches.

Mon 2/244:40 pmDUB - STL

1 stop11h 23mAer Lingus

Mon 3/36:00 amSTL - DUB

1 stop17h 05mAer Lingus

Deal found 2/19

$893

Mon 2/2410:40 amDUB - STL

2 stops17h 23mBritish Airways

Mon 3/32:10 pmSTL - DUB

2 stops13h 40mBritish Airways

Deal found 2/19

$908

Tue 2/259:00 amDUB - STL

1 stop20h 32mAustrian Airlines

Sun 3/212:26 pmSTL - DUB

1 stop12h 34mAustrian Airlines

Deal found 2/19

$924

Tue 2/258:40 amDUB - STL

2 stops19h 22mBritish Airways

Mon 3/32:10 pmSTL - DUB

2 stops16h 25mBritish Airways

Deal found 2/19

$938

Thu 2/278:30 amDUB - STL

2 stops19h 16mLufthansa

Wed 3/121:00 pmSTL - DUB

1 stop16h 05mLufthansa

Deal found 2/20

$848

Thu 2/279:00 amDUB - STL

2 stops17h 44mUnited Airlines

Wed 3/121:05 pmSTL - DUB

2 stops16h 00mUnited Airlines

Deal found 2/20

$852

Thu 2/279:00 amDUB - STL

1 stop13h 52mUnited Airlines

Wed 3/128:25 amSTL - DUB

1 stop20h 40mUnited Airlines

Deal found 2/20

$852

Sun 3/22:05 pmDUB - STL

2 stops15h 51mAmerican Airlines

Mon 3/172:02 pmSTL - DUB

1 stop13h 38mAmerican Airlines

Deal found 2/19

$822

Sun 3/22:05 pmDUB - STL

1 stop12h 37mMultiple Airlines

Mon 3/175:55 amSTL - DUB

2 stops22h 55mMultiple Airlines

Deal found 2/19

$824

Mon 3/1011:30 amDUB - STL

3 stops29h 15mMultiple Airlines

Wed 3/2612:15 pmSTL - DUB

3 stops17h 00mMultiple Airlines

Deal found 2/19

$742

Mon 3/102:05 pmDUB - STL

1 stop11h 36mIberia

Wed 3/262:02 pmSTL - DUB

1 stop13h 38mIberia

Deal found 2/19

$823

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 February 20, 2025.

Mon 4/1411:30 amDUB - STL

2 stops16h 06mWestJet

Deal found 2/20

$498

Sat 7/199:45 amDUB - STL

3 stops35h 31mMultiple Airlines

Deal found 2/19

$642

Sat 5/174:40 pmDUB - STL

1 stop13h 00mAer Lingus

Deal found 2/20

$730

Mon 4/1412:30 pmDUB - STL

3 stops33h 17mUnited Airlines

Deal found 2/20

$1,316

Thu 7/101:45 pmDUB - STL

1 stop15h 30mFinnair

Deal found 2/18

$1,666

Mon 6/210:00 amDUB - STL

1 stop12h 50mDelta

Deal found 2/19

$1,697

Sat 5/311:15 pmDUB - STL

2 stops26h 34mAmerican Airlines

Deal found 2/19

$2,386

Mon 6/29:30 amDUB - STL

1 stop17h 46mIberia

Deal found 2/19

$2,399

Find flights from Dublin to St. Louis within your budget

Fly from

Fly to

Route

Depart

Return

Price

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Mon 3/10

11:30 am-11:45 am

3 stops29h 15m

Lambert-St Louis

Wed 3/26

12:15 pm-10:15 am

3 stops17h 00m

$742

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sat 4/5

8:35 am-6:02 pm

2 stops15h 27m

Lambert-St Louis

Sat 4/12

3:29 pm-11:55 am

2 stops14h 26m

$812

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sun 3/2

2:05 pm-11:56 pm

2 stops15h 51m

Lambert-St Louis

Mon 3/17

2:02 pm-8:40 am

1 stop13h 38m

$822

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Mon 3/10

2:05 pm-8:41 pm

1 stop11h 36m

Lambert-St Louis

Wed 3/26

2:02 pm-8:40 am

1 stop13h 38m

$823

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sun 3/2

9:00 am-3:06 pm

1 stop12h 06m

Lambert-St Louis

Mon 3/17

1:00 pm-10:05 am

1 stop16h 05m

$860

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Thu 6/26

11:35 am-6:56 pm

1 stop13h 21m

Lambert-St Louis

Mon 8/4

7:23 am-5:10 am

1 stop15h 47m

$2,194

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Thu 6/26

12:00 pm-8:32 am

1 stop26h 32m

Lambert-St Louis

Mon 8/4

5:45 pm-3:00 pm

2 stops15h 15m

$2,887

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Mon 4/14

11:30 am-9:36 pm

2 stops16h 06m

$498

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sat 7/19

9:45 am-3:16 pm

3 stops35h 31m

$642

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sat 5/17

4:40 pm-11:40 pm

1 stop13h 00m

$730

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 15 results

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.

Travel insights for flights from Dublin to St. Louis

Get recent, data-driven insights about flights from Dublin to St. Louis including ideal travel times, pricing trends, and more.

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, Finnair and United Airlines 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

8,220 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

8,220 reviews

Delta

8.0

Very good

8,220 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

Finnair

7.6

Good

1,273 reviews

Delta

8.0

Very good

8,220 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

8,766 reviews

Delta

8.0

Very good

8,220 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

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

8,220 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

WestJet

7.2

Good

2,801 reviews

Delta

8.0

Very good

8,220 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 British Airways. Our recent data shows that you can find tickets from as low as $812 on this airline. Additional options worth looking into are American Airlines and Iberia, starting at $822 and $823 round-trip. You may be able to fly from Dublin to St. Louis for 11% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Dublin to St. Louis one-way?
$498 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 United Airlines, with prices starting from $730 and $1,316, 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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$498+ 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 4/14. 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 February 20, 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 February 20, 2025.

Find flights from Dublin to St. Louis within your budget

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.

Travel insights for flights from Dublin to St. Louis

Get recent, data-driven insights about flights from Dublin to St. Louis including ideal travel times, pricing trends, and more.

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, Finnair and United Airlines 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 February 20, 2025.