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

Direct flights offer convenience by reducing travel time and avoiding layovers. However, they are not always the most economical choice. Flights with one or more stops can sometimes be significantly cheaper, depending on the route and demand.

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

Yes, having flexible travel dates can often lead to finding more affordable flight options. Prices can vary significantly between different days of the week or even within the same week. Adjusting your departure or return by a few days may result in 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 charge for amenities that others include. Also, consider the cost of transportation to and from the airport at your destination.

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

461 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Sep 14, 2026.)

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

Explore current cheapest deals departing from St. Louis to Dublin

2026-10-14 – 2026-10-21
STL - Dublin
77% AI deal score
$584
$617
Round trip
2026-10-14 – 2026-10-22
STL - Dublin
76% AI deal score
$567
$645
Round trip
2026-10-15 – 2026-10-21
STL - Dublin
77% AI deal score
$584
$664
Round trip
2026-10-16 – 2026-10-21
STL - Dublin
77% AI deal score
$600
$665
Round trip
2026-10-15 – 2026-10-22
STL - Dublin
76% AI deal score
$584
$695
Round trip
2026-10-22 – 2026-10-29
STL - Dublin
76% AI deal score
$584
$718
Round trip
2026-10-09 – 2026-10-16
STL - Dublin
76% AI deal score
$584
$720
Round trip
2026-10-07 – 2026-10-14
STL - Dublin
76% AI deal score
$585
$721
Round trip
2026-10-13 – 2026-10-20
STL - Dublin
76% AI deal score
$584
$723
Round trip
2026-10-06 – 2026-10-13
STL - Dublin
76% AI deal score
$584
$723
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, as 0% of recent fares were non-stop. For connecting itineraries, the typical number of connections is 2. This means travelers should expect to factor in layovers when planning their journey.

When looking for cheap flights from St. Louis to Dublin, fares 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 a low fare can be challenging, though new deals appear almost daily.

The cheapest time to fly from St. Louis to Dublin is typically in March, with a median fare of $551. Other affordable months include July, with a median fare of $612, and April, where the median fare is $640. Planning your trip during these months could result in significant savings.

A typical journey from St. Louis to Dublin takes approximately 30h 58m, including connections. This is a long-haul route covering a distance of 6294 kilometers. Travelers should prepare for an extended travel time due to the distance and the typical number of connections involved in this route.

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

Regular price: $541 - $1,422

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

The regular price range for flights from St. Louis to Dublin is between $541 and $1422. The current lowest deal is $535 with Iberia Airlines for travel from Nov 11-Nov 25.

now $535

Low $541

High $1,422

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

United Airlines

Air Canada

American Airlines

Austrian Airlines

Last-minute flights going from St. Louis to Dublin

Wed, Sep 23

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

United Airlines

$842

$637

One-way

Sat, Sep 26

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

United Airlines

$848

$841

One-way

Sat, Sep 26

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

Aer Lingus

$931

$911

One-way

Sun, Sep 27

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

United Airlines

$844

$711

One-way

Sun, Sep 27

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

Aer Lingus

$929

$865

One-way

Mon, Sep 28

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

KLM

$785

$654

One-way

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

7 nights

Dec 8 - Dec 15

$791 → $536

32%

9 nights

Dec 6 - Dec 15

$774 → $536

31%

8 nights

Dec 7 - Dec 15

$772 → $536

31%

8 nights

Dec 8 - Dec 16

$772 → $545

29%

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 from St. Louis to Dublin are above the typical level for this route.

📅 Best time to fly

March is historically the cheapest month

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

⏱️ Flight duration

Connecting flights average 30h 58m

Flights from St. Louis to Dublin typically involve 2 stopovers, with a median duration of 30h 58m.

✈️ Airlines & availability

Frequent deals on connecting flights

This long-haul route frequently has deals on connecting flights, with 0% direct flights available.

🏆 Airline highlight

Iberia Airlines has a recent deal for $535

Iberia Airlines recently offered a roundtrip deal for $535 from St. Louis to Dublin.

🎯 Booking tip

Consider booking connecting flights

Given the lack of direct flights, consider booking connecting flights from St. Louis to Dublin.

St. Louis main airports to depart from

St. Louis Lambert International (STL)

Cheapest

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

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

💸 Flights from ~$695

Dublin main airports to arrive at

Dublin (DUB)

Cheapest

Dublin Airport is a convenient arrival point for flights from St. Louis to Dublin.

📍 ~8 km from city center

💸 Flights from ~$679

Airports nearby Dublin used as alternative

Belfast International (BFS)

Cheapest

Belfast International is a major international hub with an extensive low-cost carrier network.

📍 ~135 km from Dublin (reachable by car or bus)

💸 Flights from ~$672

Business & First Class Flight Deals to Dublin

Discover luxury on the budget with premium cabin class on flights from St. Louis to Dublin.

Elite

Best Elite deals to Dublin

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From STL

Elite

Oct 19

Dublin, Ireland

83% AI deal score

$4,125

$3,454

Save $671

Air Canada, +1

Business Class

From STL

Elite

Oct 21

Dublin, Ireland

83% AI deal score

$4,202

$3,454

Save $748

Air Canada, +1

Business Class

From STL

Elite

Oct 19

Dublin, Ireland

83% AI deal score

$4,202

$3,457

Save $745

Air Canada, +1

Business Class

From STL

Elite

Oct 15

Dublin, Ireland

83% AI deal score

$4,202

$3,459

Save $743

Air Canada, +1

Business Class

From STL

Elite

Oct 12

Dublin, Ireland

83% AI deal score

$4,141

$3,459

Save $682

Air Canada, +1

Business Class

From STL

Elite

Mar 02

Dublin, Ireland

83% AI deal score

$4,254

$3,558

Save $696

Austrian Airlines

Business Class

From STL

Elite

Oct 19

Dublin, Ireland

82% AI deal score

$4,061

$3,454

Save $607

Air Canada, +1

Business Class

From STL

Elite

Oct 15

Dublin, Ireland

82% AI deal score

$4,061

$3,454

Save $607

Air Canada, +1

Business Class

From STL

Elite

Oct 12

Dublin, Ireland

82% AI deal score

$4,004

$3,459

Save $545

Air Canada, +1

Business Class

From STL

Elite

Oct 21

Dublin, Ireland

81% AI deal score

$3,929

$3,448

Save $481

Air Canada, +1

Business Class

From STL

Elite

Oct 19

Dublin, Ireland

81% AI deal score

$3,888

$3,448

Save $440

Air Canada, +1

Business Class

From STL

Elite

Oct 15

Dublin, Ireland

81% AI deal score

$3,858

$3,448

Save $410

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 sites can also help you identify better deals. Look out for sales or promotions that may be available.

Booking in advance often provides more options and potentially better prices, especially for international routes. However, last-minute deals can sometimes appear, so monitoring prices over time may be beneficial. There isn't a single 'best' time, as prices can fluctuate.

Comparing nearby airports at both your origin and destination can sometimes reveal different flight options or prices. While it may add travel time, it could potentially lead to savings. Always factor in the cost and convenience of ground transportation to and from alternative airports.

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Flights to Dublin from other cities

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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: $541 - $1,422

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

The regular price range for flights from St. Louis to Dublin is between $541 and $1422. The current lowest deal is $535 with Iberia Airlines for travel from Nov 11-Nov 25.

now $535

Low $541

High $1,422

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

United Airlines

Air Canada

American Airlines

Austrian Airlines

Last-minute flights going from St. Louis to Dublin

Wed, Sep 23

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

United Airlines

$842

$637

One-way

Sat, Sep 26

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

United Airlines

$848

$841

One-way

Sat, Sep 26

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

Aer Lingus

$931

$911

One-way

Sun, Sep 27

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

United Airlines

$844

$711

One-way

Sun, Sep 27

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

Aer Lingus

$929

$865

One-way

Mon, Sep 28

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

KLM

$785

$654

One-way

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

7 nights

Dec 8 - Dec 15

$791 → $536

32%

9 nights

Dec 6 - Dec 15

$774 → $536

31%

8 nights

Dec 7 - Dec 15

$772 → $536

31%

8 nights

Dec 8 - Dec 16

$772 → $545

29%

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 from St. Louis to Dublin are above the typical level for this route.

📅 Best time to fly

March is historically the cheapest month

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

⏱️ Flight duration

Connecting flights average 30h 58m

Flights from St. Louis to Dublin typically involve 2 stopovers, with a median duration of 30h 58m.

✈️ Airlines & availability

Frequent deals on connecting flights

This long-haul route frequently has deals on connecting flights, with 0% direct flights available.

🏆 Airline highlight

Iberia Airlines has a recent deal for $535

Iberia Airlines recently offered a roundtrip deal for $535 from St. Louis to Dublin.

🎯 Booking tip

Consider booking connecting flights

Given the lack of direct flights, consider booking connecting flights from St. Louis to Dublin.

St. Louis main airports to depart from

St. Louis Lambert International (STL)

Cheapest

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

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

💸 Flights from ~$695

Dublin main airports to arrive at

Dublin (DUB)

Cheapest

Dublin Airport is a convenient arrival point for flights from St. Louis to Dublin.

📍 ~8 km from city center

💸 Flights from ~$679

Airports nearby Dublin used as alternative

Belfast International (BFS)

Cheapest

Belfast International is a major international hub with an extensive low-cost carrier network.

Dublin, Ireland

81% AI deal score

$3,858

$3,448

Save $410

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 the cheapest month

Connecting flights average 30h 58m

Frequent deals on connecting flights

Iberia Airlines has a recent deal for $535

Consider booking connecting flights

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

Oct 19

Oct 21

Oct 19

Oct 15

Oct 12

Mar 02

Oct 19

Oct 15

Oct 12

Oct 21

Oct 19

Oct 15

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 the cheapest month

Connecting flights average 30h 58m

Frequent deals on connecting flights

Iberia Airlines has a recent deal for $535

Consider booking connecting flights

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

Oct 19

Oct 21

Oct 19

Oct 15

Oct 12

Mar 02

Oct 19

Oct 15

Oct 12

Oct 21

Oct 19

Oct 15

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?