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

Direct flights offer convenience by minimizing travel time and avoiding layovers. However, connecting flights can sometimes be more affordable. Evaluate your priorities for cost versus convenience when making your decision.

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 even a few days may yield better deals.

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.

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 today

485 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Nov 2, 2026.)

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

Explore current cheapest deals departing from St. Louis to Dublin

2027-04-12 – 2027-04-21
STL - Dublin
76% AI deal score
$691
$734
Round trip
2027-04-14 – 2027-04-21
STL - Dublin
76% AI deal score
$695
$736
Round trip
2027-03-30 – 2027-04-06
STL - Dublin
76% AI deal score
$682
$743
Round trip
2027-04-05 – 2027-04-13
STL - Dublin
76% AI deal score
$674
$746
Round trip
2027-04-06 – 2027-04-16
STL - Dublin
76% AI deal score
$687
$746
Round trip
2027-04-07 – 2027-04-13
STL - Dublin
76% AI deal score
$689
$746
Round trip
2027-04-06 – 2027-04-13
STL - Dublin
76% AI deal score
$687
$746
Round trip
2027-04-06 – 2027-04-10
STL - Dublin
75% AI deal score
$712
$807
Round trip
2027-04-05 – 2027-04-10
STL - Dublin
75% AI deal score
$684
$807
Round trip
2027-04-07 – 2027-04-10
STL - Dublin
75% AI deal score
$713
$807
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, with 0% of recent fares being non-stop. For connecting itineraries, the typical number of stopovers is 2. This means that while direct flights from St. Louis to Dublin are not common, you will generally find options that include at least two connections to reach your destination.

The typical journey time from St. Louis to Dublin, including connections, is approximately 16h 5m. This duration accounts for the layovers and transfers involved in reaching Dublin, reflecting the long-haul nature of this route. Travelers should plan for a significant amount of time in transit when flying this route.

When is the cheapest time to fly from St. Louis to Dublin? You'll find the most affordable fares during October, with a median price of $941. Other cost-effective months include April, where the median fare is $947, and February, with a median of $951. These months offer better value compared to other times of the year for this route.

Right now, cheap flights from St. Louis to Dublin typically range from $873–$1395, with a median fare of $1077. Current fares are below the typical level for this route. New deals appear almost daily, indicating frequent opportunities to find competitive prices. However, the share of recent fares classified as a good price is 0%, suggesting that while prices are currently lower, exceptional deals are not common.

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

Regular price: $546 - $1,337

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

The regular price range for flights from St. Louis to Dublin is between $546 and $1337. The current lowest deal is $701 with United Airlines for travel from March 9 to March 23.

now $701

Low $546

High $1,337

The cheapest time to fly from St. Louis to Dublin

The cheapest month to fly from St. Louis to Dublin is April, with a median price of $922. The most expensive month is June, with a median price of $1604. Prices are generally lower from January to December.

April

Cheapest

Flights from $922

June

Most Expensive

Flights from $1,604

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from St. Louis to Dublin

United Airlines

KLM

Air Canada

Aer Lingus

Last-minute flights going from St. Louis to Dublin

Mon, Oct 26

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

Aer Lingus

$591

$1,047

One-way

Tue, Oct 27

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

Aer Lingus

$591

$1,047

One-way

Sun, Nov 1

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

Aer Lingus

$811

$2,015

One-way

Sun, Nov 1

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

Aer Lingus

$818

$2,017

One-way

Mon, Nov 2

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

Aer Lingus

$799

$2,017

One-way

Wed, Nov 4

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

KLM

$700

$805

One-way

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

7 nights

Apr 14 - Apr 21

$695 → $740

8 nights

Apr 13 - Apr 21

$697 → $744

10 nights

Apr 12 - Apr 22

$699 → $746

9 nights

Apr 12 - Apr 21

$697 → $746

Popular Airports to fly from St. Louis to Dublin

St. Louis - Dublin route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from St. Louis to Dublin are below the typical level at $701.

📅 Best time to fly

October, April, and February are cheapest

Historically, October ($941), April ($947), and February ($951) offer the lowest median prices.

⏱️ Flight duration

Connecting flights average 16h 5m

Connecting flights from St. Louis to Dublin typically have a median duration of 16h 5m.

✈️ Airlines & availability

Connecting flights are dominant

This route is connecting-dominant, with a median of 2 stopovers on connecting flights.

🏆 Airline highlight

United Airlines has 29 deals

United Airlines has 29 deals, making it a frequent provider on this route.

🎯 Booking tip

Deals appear frequently

Deals for flights from St. Louis to Dublin appear frequently, typically every 30 days.

St. Louis main airports to depart from

St. Louis Lambert International (STL)

Cheapest

St. Louis Lambert International is a convenient departure point for flights to Dublin.

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

💸 Flights from ~$680

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 (reachable by car)

💸 Flights from ~$680

Airports nearby Dublin used as alternative

Belfast International (BFS)

Belfast International is a major international hub with an extensive low-cost carrier network, offering an alternative to Dublin.

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

💸 Flights from ~$1,005

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

Nov 30

Dublin, Ireland

76% AI deal score

$3,615

Air Canada, +1

Business Class

From STL

Elite

Nov 16

Dublin, Ireland

76% AI deal score

$3,615

Air Canada, +1

Business Class

From STL

Elite

Nov 13

Dublin, Ireland

76% AI deal score

$3,648

Air Canada, +1

Business Class

From STL

Elite

Nov 12

Dublin, Ireland

76% AI deal score

$3,648

Air Canada, +1

Business Class

From STL

Elite

Jan 17

Dublin, Ireland

76% AI deal score

$3,772

Air Canada, +1

Business Class

From STL

Elite

Jan 17

Dublin, Ireland

76% AI deal score

$3,772

Air Canada, +1

Business Class

From STL

Elite

Jan 17

Dublin, Ireland

76% AI deal score

$3,772

Air Canada, +1

Business Class

From STL

Elite

Jan 22

Dublin, Ireland

76% AI deal score

$3,772

Air Canada, +1

Business Class

From STL

Elite

Jan 17

Dublin, Ireland

76% AI deal score

$3,772

Air Canada, +1

Business Class

From STL

Elite

Jan 17

Dublin, Ireland

76% AI deal score

$3,772

Air Canada, +1

Business Class

From STL

Elite

Jan 22

Dublin, Ireland

76% AI deal score

$3,774

Air Canada, +1

Business Class

From STL

Elite

Jan 17

Dublin, Ireland

76% AI deal score

$3,774

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 various airlines and booking sites can often reveal better deals. Setting up price alerts may also help you catch drops in fares.

Booking in advance is often recommended, as prices may increase closer to the departure date. However, last-minute deals can sometimes appear. Monitoring price trends can help you decide on an optimal booking window.

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

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More routes from St. Louis

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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: $546 - $1,337

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

The regular price range for flights from St. Louis to Dublin is between $546 and $1337. The current lowest deal is $701 with United Airlines for travel from March 9 to March 23.

now $701

Low $546

High $1,337

The cheapest time to fly from St. Louis to Dublin

April

Cheapest

Flights from $922

June

Most Expensive

Flights from $1,604

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from St. Louis to Dublin

United Airlines

KLM

Air Canada

Aer Lingus

Last-minute flights going from St. Louis to Dublin

Mon, Oct 26

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

Aer Lingus

$591

$1,047

One-way

Tue, Oct 27

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

Aer Lingus

$591

$1,047

One-way

Sun, Nov 1

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

Aer Lingus

$811

$2,015

One-way

Sun, Nov 1

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

Aer Lingus

$818

$2,017

One-way

Mon, Nov 2

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

Aer Lingus

$799

$2,017

One-way

Wed, Nov 4

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

KLM

$700

$805

One-way

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

7 nights

Apr 14 - Apr 21

$695 → $740

8 nights

Apr 13 - Apr 21

$697 → $744

10 nights

Apr 12 - Apr 22

$699 → $746

9 nights

Apr 12 - Apr 21

$697 → $746

Popular Airports to fly from St. Louis to Dublin

St. Louis - Dublin route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from St. Louis to Dublin are below the typical level at $701.

📅 Best time to fly

October, April, and February are cheapest

Historically, October ($941), April ($947), and February ($951) offer the lowest median prices.

⏱️ Flight duration

Connecting flights average 16h 5m

Connecting flights from St. Louis to Dublin typically have a median duration of 16h 5m.

✈️ Airlines & availability

Connecting flights are dominant

This route is connecting-dominant, with a median of 2 stopovers on connecting flights.

🏆 Airline highlight

United Airlines has 29 deals

United Airlines has 29 deals, making it a frequent provider on this route.

🎯 Booking tip

Deals appear frequently

Deals for flights from St. Louis to Dublin appear frequently, typically every 30 days.

St. Louis main airports to depart from

St. Louis Lambert International (STL)

Cheapest

St. Louis Lambert International is a convenient departure point for flights to Dublin.

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

💸 Flights from ~$680

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 (reachable by car)

💸 Flights from ~$680

Airports nearby Dublin used as alternative

Belfast International (BFS)

Belfast International is a major international hub with an extensive low-cost carrier network, offering an alternative to Dublin.

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

💸 Flights from ~$1,005

Dublin, Ireland

76% AI deal score

$3,774

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 below the typical level

October, April, and February are cheapest

Connecting flights average 16h 5m

Connecting flights are dominant

United Airlines has 29 deals

Deals appear frequently

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

Nov 30

Nov 16

Nov 13

Nov 12

Jan 17

Jan 17

Jan 17

Jan 22

Jan 17

Jan 17

Jan 22

Jan 17

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 below the typical level

October, April, and February are cheapest

Connecting flights average 16h 5m

Connecting flights are dominant

United Airlines has 29 deals

Deals appear frequently

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

Nov 30

Nov 16

Nov 13

Nov 12

Jan 17

Jan 17

Jan 17

Jan 22

Jan 17

Jan 17

Jan 22

Jan 17

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?