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

Direct flights offer convenience by minimizing travel time and avoiding layovers. However, they are not always the most economical choice. Flights with one or more stops can often be more affordable, depending on the route and airline.

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

Being flexible with your travel dates can significantly impact flight prices. Mid-week travel or flying during off-peak seasons often presents more budget-friendly options. 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 charge for carry-on bags or checked luggage, which can add to the total price. Understanding these fees helps 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 2 days ago

405 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 26, 2026.)

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

Explore current cheapest deals departing from St. Louis to Dublin

2026-09-08 – 2026-09-15
STL - Dublin
92% AI deal score
$792
$375
Round trip
2027-01-07 – 2027-01-11
STL - Dublin
91% AI deal score
$712
$471
Round trip
2026-11-03 – 2026-11-11
STL - Dublin
80% AI deal score
$702
$631
Round trip
2026-08-11 – 2026-08-19
STL - Dublin
88% AI deal score
$872
$648
Round trip
2026-12-08 – 2026-12-15
STL - Dublin
89% AI deal score
$895
$654
Round trip
2026-08-09 – 2026-08-25
STL - Dublin
78% AI deal score
$824
$658
Round trip
2026-11-09 – 2026-11-18
STL - Dublin
79% AI deal score
$719
$658
Round trip
2026-09-01 – 2026-09-18
STL - Dublin
80% AI deal score
$744
$661
Round trip
2026-09-02 – 2026-09-16
STL - Dublin
77% AI deal score
$757
$668
Round trip
2026-08-16 – 2026-08-25
STL - Dublin
78% AI deal score
$849
$670
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. There are no direct flights from St. Louis to Dublin, and recent data shows that the median number of stopovers for connecting itineraries is 2. This means travelers should expect to factor in at least two stops on their journey.

A typical journey from St. Louis to Dublin takes about 30h 58m, including connections. This long-haul route covers a substantial distance of 6294 km, making the journey time significant due to the necessary connections. Travelers should plan accordingly for the extended travel duration.

When is the cheapest time to fly from St. Louis to Dublin? The most affordable month to fly is March, with a median fare of $551. Following closely, July offers a median fare of $612, and April presents a median of $640. These months typically offer more budget-friendly options compared to other times of the year.

Right now, fares for cheap flights from St. Louis to Dublin typically range from $784–$1346, with a median of $1039. Currently, fares are above the typical level for this route. Only 9% of recent fares were classified as a good price, indicating that finding a significantly lower fare might require flexibility. New deals appear almost daily, suggesting that consistent monitoring could yield better prices over time.

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

Regular price: $598 - $1,419

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

The regular price range for this route is between $598 and $1419. The current lowest deal is $401 with Aer Lingus for travel from Nov 7-Nov 15.

now $401

Low $598

High $1,419

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

Frontier Airlines

Air Canada

United Airlines

Last-minute flights going from St. Louis to Dublin

Tue, Aug 11

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

Aer Lingus

$857

$360

One-way

Tue, Aug 11

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

Aer Lingus

$869

$644

One-way

Wed, Aug 12

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

Aer Lingus

$852

$812

One-way

Wed, Aug 12

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

Air Canada

$897

$863

One-way

Wed, Aug 12

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

KLM

$868

$893

One-way

Fri, Aug 14

⌛ Last-Minute

STL - Dublin

St. Louis (STL) - Dublin (DUB)

Aer Lingus

$898

$414

One-way

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

9 nights

Aug 11 - Aug 20

$857 → $360

58%

6 nights

Aug 14 - Aug 20

$898 → $414

54%

7 nights

Sep 8 - Sep 15

$793 → $377

52%

6 nights

Sep 10 - Sep 16

$793 → $429

46%

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 at $401.

📅 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 price of $551.

⏱️ Flight duration

Flights typically take 30h 58m

The typical flight duration from St. Louis to Dublin is 30 hours and 58 minutes.

✈️ Airlines & availability

Connecting flights are dominant

Direct flights are not available; connecting flights are dominant for this route.

🏆 Airline highlight

Aer Lingus offers 26 deals

Aer Lingus has 26 deals for connecting flights from St. Louis to Dublin.

🎯 Booking tip

Deals are frequent for this route

Deals for flights from St. Louis to Dublin are frequent, with 9% good price share.

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 point for flights from St. Louis to Dublin, offering direct access to the city.

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

💸 Flights from ~$372

Airports nearby Dublin used as alternative

Belfast International (BFS)

Consider Belfast International for its extensive European network, though it involves crossing the border into the United Kingdom.

📍 ~135 km from Dublin (reachable by car)

💸 Flights from ~$922

Business & First Class Flight Deals to Dublin

83% AI deal score

$2,217

$1,850

Save $367

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 layovers, as these may sometimes reduce the overall ticket cost.

Booking flights in advance often provides more options and potentially lower prices. However, last-minute deals can sometimes appear, especially for less popular travel times. Monitoring price trends can help you decide on an optimal booking window.

Comparing nearby airports at both your origin and destination can sometimes reveal different flight options and prices. While it may add to your travel time, the potential savings could make it a worthwhile consideration. Always factor in the cost and convenience of ground transportation.

Related routes

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: $598 - $1,419

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

The regular price range for this route is between $598 and $1419. The current lowest deal is $401 with Aer Lingus for travel from Nov 7-Nov 15.

now $401

Low $598

High $1,419

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