Are direct flights from St. Louis to Dublin always the best option?

Direct flights offer convenience by minimizing travel time and avoiding layovers. However, flights with one or more stops can sometimes be more affordable. Evaluate whether the time saved on a direct flight is worth a potentially higher cost for your specific travel needs.

Can flexible travel dates help on St. Louis to Dublin flights?

Yes, being flexible with your travel dates can significantly impact flight prices. Mid-week travel or flying during off-peak seasons often results in lower fares. Adjusting your departure or return by a few days may lead to considerable savings.

What extra costs should I check before booking St. Louis to Dublin flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines may also charge for printing boarding passes at the airport. Factor these into your total travel budget to avoid surprises.

Flights From St. Louis

To Dublin

Cheap Flights from St. Louis to Dublin

Browse current best options from St. Louis. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

St. Louis

RatePunk searches hundreds of travel sites at once for deals on flights to Dublin

Prices updated 1 day ago

451 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Aug 17, 2026.)

Today’s best flight deals from St. Louis to Dublin

Explore current cheapest deals departing from St. Louis to Dublin

2026-11-14 – 2026-11-24
STL - Dublin
94% AI deal score
$662
$350
Round trip
2026-11-07 – 2026-11-24
STL - Dublin
94% AI deal score
$652
$350
Round trip
2027-01-11 – 2027-01-21
STL - Dublin
94% AI deal score
$676
$350
Round trip
2026-09-07 – 2026-09-16
STL - Dublin
93% AI deal score
$778
$355
Round trip
2026-09-07 – 2026-09-15
STL - Dublin
93% AI deal score
$780
$356
Round trip
2027-01-11 – 2027-01-19
STL - Dublin
94% AI deal score
$677
$357
Round trip
2026-09-07 – 2026-09-14
STL - Dublin
95% AI deal score
$804
$405
Round trip
2027-01-08 – 2027-01-19
STL - Dublin
82% AI deal score
$682
$573
Round trip
2027-02-01 – 2027-02-12
STL - Dublin
79% AI deal score
$677
$632
Round trip
2026-09-01 – 2026-09-18
STL - Dublin
81% AI deal score
$745
$641
Round trip

St. Louis to Dublin: Overview

Insights for flights from St. Louis to Dublin

Most itineraries for flights from St. Louis to Dublin connect at least once. Right now, a typical journey from St. Louis to Dublin takes about 30h 58m, including connections. This long-haul route covers a distance of 6294 kilometers.

When considering cheap flights from St. Louis to Dublin, prices typically range from $784–$1346, with a median of $1039. Right now, current fares are above the typical level. Only 9% of recent fares were classified as a good price, indicating that finding lower prices may require flexibility or advance planning. New deals appear almost daily, so setting up a price alert can be beneficial.

The cheapest time to fly from St. Louis to Dublin is typically in March, with a median fare of $551. Other favorable months include July, where the median fare is $612, and April, with a median fare of $640. These months offer significantly lower prices compared to the overall median for the route.

How much is a round trip from St. Louis to Dublin

Regular price: $548 - $1,400

Prices for flights from St. Louis to Dublin are currently below the regular range.

Regular prices for flights from St. Louis to Dublin typically range from $548 to $1400. The current lowest deal is $350 with Aer Lingus for travel from Nov 7-Nov 24.

now $350

Low $548

High $1,400

The cheapest time to fly from St. Louis to Dublin

The cheapest month to fly from St. Louis to Dublin is March, with a median price of $551. The most expensive month is November, with a median price of $1116. Prices are generally lower from February to December.

March

Cheapest

Flights from $551

November

Most Expensive

Flights from $1,116

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from St. Louis to Dublin

Aer Lingus

Air Canada

United Airlines

Frontier Airlines

Last-minute flights going from St. Louis to Dublin

Tue, Aug 18

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

United Airlines

$1,004

$884

One-way

Wed, Aug 19

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

Air Canada

$994

$862

One-way

Wed, Aug 19

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

Air Canada

$1,085

$901

One-way

Thu, Aug 20

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

Air Canada

$994

$910

One-way

Wed, Aug 26

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

Air Canada

$932

$926

One-way

Wed, Aug 26

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

Air Canada

$891

$926

One-way

Biggest price drops on these dates for flights from St. Louis to Dublin

8 nights

Sep 10 - Sep 18

$779 → $425

45%

9 nights

Sep 2 - Sep 11

$777 → $461

41%

10 nights

Jan 9 - Jan 19

$677 → $365

46%

8 nights

Jan 11 - Jan 19

$677 → $370

45%

Popular Airports to fly from St. Louis to Dublin

St. Louis - Dublin route insights

💸 Price insights

Recent fares are above the typical level

Recent fares for St. Louis to Dublin are above the typical level, with a median of $1039.

📅 Best time to fly

March is historically cheapest at $551

Historically, March is the cheapest month to fly from St. Louis to Dublin, with a median of $551.

⏱️ Flight duration

Connecting flights average 30h 58m

Flights from St. Louis to Dublin typically involve connections, with an average duration of 30h 58m.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights are dominant for this route, with a median of 2 stopovers.

🏆 Airline highlight

Aer Lingus offers deals on connecting flights

Aer Lingus frequently offers deals on connecting flights for the St. Louis to Dublin route.

🎯 Booking tip

Deals are frequent for this route

Deals for flights from St. Louis to Dublin are frequent, appearing within a 30-day window.

St. Louis main airports to depart from

St. Louis Lambert International (STL)

Cheapest

St. Louis Lambert International is a good option for flights from St. Louis to Dublin.

📍 ~20 km from St. Louis (reachable by car or train)

💸 Flights from ~$372

Dublin main airports to arrive at

Dublin (DUB)

Cheapest

Dublin Airport is a convenient arrival choice for flights from St. Louis, offering the cheapest fares.

📍 ~10 km from Dublin city center (reachable by car)

💸 Flights from ~$372

Airports nearby Dublin used as alternative

Belfast International (BFS)

Dublin, Ireland

81% AI deal score

$4,074

$3,605

Save $469

Air Canada, +1

Business Class

From STL

Elite

Oct 16

Dublin, Ireland

81% AI deal score

$4,139

$3,605

Save $534

Air Canada, +1

Business Class

From STL

Elite

Oct 20

Dublin, Ireland

80% AI deal score

$3,981

$3,600

Save $381

Air Canada, +1

Business Class

From STL

Elite

Oct 20

Dublin, Ireland

80% AI deal score

$3,959

$3,600

Save $359

Air Canada, +1

Business Class

From STL

Elite

Oct 16

Dublin, Ireland

80% AI deal score

$3,963

$3,600

Save $363

Air Canada, +1

Business Class

From STL

Elite

Oct 21

Dublin, Ireland

80% AI deal score

$3,975

$3,600

Save $375

Air Canada, +1

Business Class

From STL

Elite

Oct 21

Dublin, Ireland

80% AI deal score

$3,968

$3,600

Save $368

Air Canada, +1

Business Class

From STL

Elite

Oct 20

Dublin, Ireland

80% AI deal score

$3,982

$3,607

Save $375

Air Canada, +1

Business Class

From STL

Elite

Oct 21

Dublin, Ireland

80% AI deal score

$3,982

$3,607

Save $375

Air Canada, +1

Business Class

From STL

Elite

Oct 16

Dublin, Ireland

80% AI deal score

$3,946

$3,607

Save $339

Air Canada, +1

Business Class

From STL

Elite

Oct 20

Dublin, Ireland

79% AI deal score

$3,843

$3,600

Save $243

Air Canada, +1

Business Class

Frequently Asked Questions About Flights to Dublin

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking platforms can also help uncover better deals. Setting up price alerts may notify you when fares drop for your desired route.

Booking in advance often provides more options and potentially lower prices, especially for international routes. However, last-minute deals can sometimes appear, though they are less predictable. Monitoring price trends can help you decide on an optimal booking time.

Comparing nearby airports at both your origin and destination can sometimes reveal more economical flight options. While it may add to your ground travel, the savings on airfare could be significant. Always factor in the additional time and cost of transportation to and from alternative airports.

Related routes

More routes from St. Louis

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Flights to Dublin from other cities

Flights from Edmonton to Dublin Flights from Halifax to Dublin Flights from Knoxville to Dublin Flights from Sydney to Dublin Flights from Tallahassee to Dublin Flights from Tampa to Dublin Flights from Traverse City to Dublin Flights from Venice to Dublin Flights from Vienna to Dublin Flights from Vilnius to Dublin Flights from Warsaw to Dublin Flights from Washington, D.C. to Dublin

St. Louis to Dublin: Overview

Insights for flights from St. Louis to Dublin

How much is a round trip from St. Louis to Dublin

Regular price: $548 - $1,400

Prices for flights from St. Louis to Dublin are currently below the regular range.

Regular prices for flights from St. Louis to Dublin typically range from $548 to $1400. The current lowest deal is $350 with Aer Lingus for travel from Nov 7-Nov 24.

now $350

Low $548

High $1,400

The cheapest time to fly from St. Louis to Dublin

March

Cheapest

Flights from $551

November

Most Expensive

Flights from $1,116

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from St. Louis to Dublin

Aer Lingus

Air Canada

United Airlines

Frontier Airlines

Last-minute flights going from St. Louis to Dublin

Tue, Aug 18

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

United Airlines

$1,004

$884

One-way

Wed, Aug 19

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

Air Canada

$994

$862

One-way

Wed, Aug 19

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

Air Canada

$1,085

$901

One-way

Thu, Aug 20

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

Air Canada

$994

$910

One-way

Wed, Aug 26

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

Air Canada

$932

$926

One-way

Wed, Aug 26

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

Air Canada

$891

$926

One-way

Biggest price drops on these dates for flights from St. Louis to Dublin

8 nights

Sep 10 - Sep 18

$779 → $425

45%

9 nights

Sep 2 - Sep 11

$777 → $461

41%

10 nights

Jan 9 - Jan 19

$677 → $365

46%

8 nights

Jan 11 - Jan 19

$677 → $370

45%

Popular Airports to fly from St. Louis to Dublin

St. Louis - Dublin route insights

💸 Price insights

Recent fares are above the typical level

Recent fares for St. Louis to Dublin are above the typical level, with a median of $1039.

📅 Best time to fly

March is historically cheapest at $551

Historically, March is the cheapest month to fly from St. Louis to Dublin, with a median of $551.

⏱️ Flight duration

Connecting flights average 30h 58m

Flights from St. Louis to Dublin typically involve connections, with an average duration of 30h 58m.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights are dominant for this route, with a median of 2 stopovers.

🏆 Airline highlight

Aer Lingus offers deals on connecting flights

Aer Lingus frequently offers deals on connecting flights for the St. Louis to Dublin route.

🎯 Booking tip

Deals are frequent for this route

Deals for flights from St. Louis to Dublin are frequent, appearing within a 30-day window.

St. Louis main airports to depart from

St. Louis Lambert International (STL)

Cheapest

St. Louis Lambert International is a good option for flights from St. Louis to Dublin.

📍 ~20 km from St. Louis (reachable by car or train)

💸 Flights from ~$372

Dublin main airports to arrive at

Dublin (DUB)

Cheapest

Dublin Airport is a convenient arrival choice for flights from St. Louis, offering the cheapest fares.

📍 ~10 km from Dublin city center (reachable by car)

💸 Flights from ~$372

Airports nearby Dublin used as alternative

Belfast International (BFS)

Belfast International can be a useful alternative due to its extensive European network and direct bus services.

Dublin, Ireland

79% AI deal score

$3,843

$3,600

Save $243

Air Canada, +1

Business Class

Frequently Asked Questions About Flights to Dublin

Cheap Flights from St. Louis to Dublin

Today’s best flight deals from St. Louis to Dublin

St. Louis to Dublin: Overview

Insights for flights from St. Louis to Dublin

How much is a round trip from St. Louis to Dublin

The cheapest time to fly from St. Louis to Dublin

Direct flights from St. Louis to Dublin

Last-minute flights going from St. Louis to Dublin

Biggest price drops on these dates for flights from St. Louis to Dublin

Popular Airports to fly from St. Louis to Dublin

St. Louis - Dublin route insights

Recent fares are above the typical level

March is historically cheapest at $551

Connecting flights average 30h 58m

Connecting flights are dominant

Aer Lingus offers deals on connecting flights

Deals are frequent for this route

St. Louis main airports to depart from

Dublin main airports to arrive at

Airports nearby Dublin used as alternative

Business & First Class Flight Deals to Dublin

Best Elite deals to Dublin

Aug 12

Oct 16

Oct 16

Oct 20

Oct 20

Oct 16

Oct 21

Oct 21

Oct 20

Oct 21

Oct 16

Oct 20

Frequently Asked Questions About Flights to Dublin

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

When should I book flights from St. Louis to Dublin?

Should I compare nearby airports for flights from St. Louis to Dublin?

Are direct flights from St. Louis to Dublin always the best option?

Can flexible travel dates help on St. Louis to Dublin flights?

What extra costs should I check before booking St. Louis to Dublin flights?

Related routes

More routes from St. Louis

Flights to Dublin from other cities

St. Louis to Dublin: Overview

Insights for flights from St. Louis to Dublin

How much is a round trip from St. Louis to Dublin

The cheapest time to fly from St. Louis to Dublin

Direct flights from St. Louis to Dublin

Last-minute flights going from St. Louis to Dublin

Biggest price drops on these dates for flights from St. Louis to Dublin

Popular Airports to fly from St. Louis to Dublin

St. Louis - Dublin route insights

Recent fares are above the typical level

March is historically cheapest at $551

Connecting flights average 30h 58m

Connecting flights are dominant

Aer Lingus offers deals on connecting flights

Deals are frequent for this route

St. Louis main airports to depart from

Dublin main airports to arrive at

Airports nearby Dublin used as alternative

Business & First Class Flight Deals to Dublin

Best Elite deals to Dublin

Aug 12

Oct 16

Oct 16

Oct 20

Oct 20

Oct 16

Oct 21

Oct 21

Oct 20

Oct 21

Oct 16

Oct 20

Frequently Asked Questions About Flights to Dublin

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

When should I book flights from St. Louis to Dublin?

Should I compare nearby airports for flights from St. Louis to Dublin?