Cheap flights from St. Louis (STL) to Ireland from $370

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 7/29. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — DUB
May 20 — May 271

How far in advance should I book a flight from St. Louis to Ireland?

Travelers have found it’s best to book a flight 23 days in advance to save up to 24% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 23 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from St. Louis to Ireland 1-2 weeks in advance for as low as $631, or $846 for flights within the next 24 hours.

What is the cheapest month to fly from St. Louis to Ireland?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, February can be a great choice for travel to Ireland. Flights to Ireland from St. Louis in February are about $948 on average during February, but can be found for as low as $481.

When is the cheapest time to fly from St. Louis to Ireland (STL - IE)?

When flying from St. Louis to Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Lufthansa flights from St. Louis to Ireland

Explore cheap flight options specifically provided by Lufthansa for the route between St. Louis and Ireland. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,644,845 searches. Data last updated May 15, 2024.
Find some of the cheapest Lufthansa flights traveling from St. Louis to Ireland. It's recommended that users confirm their flight details before booking.
Fri 10/253:25 pmSTL - DUB
1 stop14h 10mLufthansa
Sat 11/28:35 amDUB - STL
1 stop35h 20mLufthansa
Deal found 5/14$738
Mon 5/275:31 pmSTL - DUB
2 stops17h 24mLufthansa
Thu 6/65:50 amDUB - STL
2 stops15h 51mLufthansa
Deal found 5/13$1,226
Sat 5/181:00 pmSTL - DUB
1 stop15h 20mLufthansa
Thu 5/231:35 pmDUB - STL
1 stop14h 09mLufthansa
Deal found 5/14$1,277
Mon 5/275:31 pmSTL - DUB
2 stops17h 24mLufthansa
Thu 7/410:40 amDUB - STL
2 stops16h 57mLufthansa
Deal found 5/14$1,291
Mon 5/275:31 pmSTL - DUB
2 stops17h 24mLufthansa
Tue 6/45:50 amDUB - STL
2 stops15h 51mLufthansa
Deal found 5/14$1,326

Cheap British Airways flights from St. Louis to Ireland

Explore cheap flight options specifically provided by British Airways for the route between St. Louis and Ireland. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,644,845 searches. Data last updated May 15, 2024.
Some of the lowest-priced British Airways flights we've found at this time heading from St. Louis to Ireland. Deals frequently update to provide users with more options.
Wed 10/24:17 pmSTL - DUB
2 stops16h 23mBritish Airways
Wed 10/169:30 amDUB - STL
1 stop12h 39mBritish Airways
Deal found 5/14$814
Sun 9/224:17 pmSTL - DUB
1 stop13h 23mBritish Airways
Mon 9/308:30 pmDUB - STL
2 stops26h 44mBritish Airways
Deal found 5/15$830
Thu 9/126:21 pmSTL - DUB
2 stops14h 14mBritish Airways
Sat 9/2112:40 pmDUB - STL
1 stop15h 44mBritish Airways
Deal found 5/14$914
Wed 5/292:43 pmSTL - DUB
1 stop13h 02mBritish Airways
Fri 7/58:10 amDUB - STL
2 stops15h 09mBritish Airways
Deal found 5/14$1,085
Tue 5/282:43 pmSTL - DUB
1 stop13h 02mBritish Airways
Fri 7/58:10 amDUB - STL
2 stops15h 09mBritish Airways
Deal found 5/14$1,121
Mon 5/2711:09 amSTL - DUB
1 stop16h 36mBritish Airways
Wed 6/510:55 amDUB - STL
2 stops16h 01mBritish Airways
Deal found 5/13$1,150
Thu 5/302:43 pmSTL - DUB
1 stop13h 02mBritish Airways
Fri 7/58:10 amDUB - STL
2 stops15h 09mBritish Airways
Deal found 5/14$1,171
Thu 5/1611:40 amSTL - DUB
2 stops16h 10mBritish Airways
Sun 5/1912:40 pmDUB - STL
1 stop12h 48mBritish Airways
Deal found 5/14$1,205
Thu 5/1611:40 amSTL - DUB
2 stops16h 10mBritish Airways
Wed 5/229:25 amDUB - STL
2 stops16h 21mBritish Airways
Deal found 5/14$1,214

Cheap St. Louis to Ireland flights in May & June 2024

Find cheap flight options from St. Louis to Ireland specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,644,845 searches. Prices were last updated on May 15, 2024.
Check out some of the best flight deals from St. Louis to Ireland in 2024. More deals are always being added, so be sure to check back regularly.
Thu 6/138:12 pmSTL - DUB
2 stops31h 48mMultiple Airlines
Thu 6/2011:30 amDUB - STL
1 stop14h 31mMultiple Airlines
Deal found 5/14$903
Thu 6/138:12 pmSTL - DUB
3 stops31h 48mMultiple Airlines
Thu 6/2011:30 amDUB - STL
1 stop14h 31mMultiple Airlines
Deal found 5/14$904
Thu 6/138:12 pmSTL - DUB
3 stops31h 48mMultiple Airlines
Thu 6/209:30 amDUB - STL
2 stops16h 31mMultiple Airlines
Deal found 5/14$991
Tue 6/114:05 pmSTL - DUB
1 stop13h 25mMultiple Airlines
Tue 6/1812:55 pmDUB - STL
2 stops30h 10mMultiple Airlines
Deal found 5/14$1,002
Thu 6/138:12 pmSTL - DUB
3 stops31h 48mMultiple Airlines
Thu 6/2012:15 pmDUB - STL
3 stops29h 50mMultiple Airlines
Deal found 5/14$1,021
Thu 5/306:40 amSTL - DUB
1 stop17h 15mAmerican Airlines
Thu 7/411:45 amDUB - STL
1 stop11h 03mAmerican Airlines
Deal found 5/14$1,040
Mon 5/279:43 amSTL - DUB
1 stop18h 02mIberia
Wed 6/512:40 pmDUB - STL
1 stop13h 44mIberia
Deal found 5/13$1,042
Thu 5/306:40 amSTL - DUB
1 stop17h 15mAmerican Airlines
Thu 7/49:30 amDUB - STL
2 stops15h 13mAmerican Airlines
Deal found 5/14$1,046
Tue 6/114:05 pmSTL - DUB
2 stops18h 30mMultiple Airlines
Tue 6/1812:55 pmDUB - STL
2 stops30h 10mMultiple Airlines
Deal found 5/14$1,052

St. Louis to Ireland 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Ireland in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,644,845 searches. Data last updated May 15, 2024.
Check out some of the best flight deals from St. Louis to Ireland in 2024. More deals are always being added, so be sure to check back regularly.
Tue 12/38:25 amSTL - DUB
1 stop19h 30mUnited Airlines
Tue 12/109:00 amDUB - STL
2 stops31h 27mUnited Airlines
Deal found 5/14$472
Tue 12/35:40 pmSTL - DUB
1 stop31h 20mMultiple Airlines
Tue 12/109:00 amDUB - STL
1 stop30h 53mMultiple Airlines
Deal found 5/14$473
Tue 12/310:30 amSTL - DUB
2 stops17h 25mUnited Airlines
Tue 12/109:00 amDUB - STL
2 stops31h 27mUnited Airlines
Deal found 5/14$476
Tue 12/35:18 pmSTL - DUB
2 stops34h 37mMultiple Airlines
Tue 12/109:00 amDUB - STL
1 stop30h 53mMultiple Airlines
Deal found 5/14$478
Tue 11/512:24 pmSTL - DUB
1 stop12h 36mUnited Airlines
Tue 11/199:00 amDUB - STL
1 stop30h 53mUnited Airlines
Deal found 5/14$484
Tue 11/510:40 amSTL - DUB
1 stop14h 35mAir Canada
Tue 11/199:00 amDUB - STL
1 stop12h 23mAir Canada
Deal found 5/14$485
Tue 11/510:15 amSTL - DUB
2 stops14h 45mUnited Airlines
Tue 11/199:00 amDUB - STL
1 stop12h 23mUnited Airlines
Deal found 5/14$488
Tue 11/510:40 amSTL - DUB
1 stop14h 35mAir Canada
Tue 11/199:00 amDUB - STL
2 stops36h 43mAir Canada
Deal found 5/14$494
Tue 12/32:54 pmSTL - DUB
2 stops12h 56mAmerican Airlines
Tue 12/109:40 amDUB - STL
2 stops17h 51mAmerican Airlines
Deal found 5/14$495

St. Louis to Ireland flights leaving soon

Find last-minute flight options from St. Louis to Ireland for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,644,845 searches. Data last updated May 15, 2024.
Book one of these great deals on flights from St. Louis to Ireland. To prevent any unwanted surprises, users should verify their flight info before booking.
Mon 5/279:43 amSTL - DUB
1 stop18h 02mIberia
Wed 6/512:40 pmDUB - STL
1 stop13h 44mIberia
Deal found 5/13$1,042
Wed 5/292:43 pmSTL - DUB
1 stop13h 02mIberia
Thu 7/49:30 amDUB - STL
1 stop14h 30mIberia
Deal found 5/14$1,077
Wed 5/292:43 pmSTL - DUB
1 stop13h 02mBritish Airways
Fri 7/58:10 amDUB - STL
2 stops15h 09mBritish Airways
Deal found 5/14$1,085
Tue 5/219:50 amSTL - DUB
2 stops20h 00mMultiple Airlines
Mon 5/278:35 pmDUB - STL
2 stops29h 26mMultiple Airlines
Deal found 5/14$1,105
Tue 5/282:43 pmSTL - DUB
1 stop13h 02mIberia
Fri 7/59:30 amDUB - STL
1 stop13h 51mIberia
Deal found 5/14$1,113
Tue 5/214:05 pmSTL - DUB
2 stops23h 25mMultiple Airlines
Tue 5/286:40 amDUB - STL
3 stops34h 06mMultiple Airlines
Deal found 5/14$1,117
Tue 5/282:43 pmSTL - DUB
1 stop13h 02mBritish Airways
Fri 7/58:10 amDUB - STL
2 stops15h 09mBritish Airways
Deal found 5/14$1,121
Tue 5/289:50 amSTL - DUB
1 stop16h 25mAir Canada
Wed 7/39:50 amDUB - STL
1 stop11h 31mAir Canada
Deal found 5/14$1,149
Mon 5/2711:09 amSTL - DUB
1 stop16h 36mBritish Airways
Wed 6/510:55 amDUB - STL
2 stops16h 01mBritish Airways
Deal found 5/13$1,150

One-way flights to Ireland from St. Louis

Search for one-way flight options from St. Louis to Ireland. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,644,845 searches. Data last updated May 15, 2024.
Take a look at some of the one-way flights we've detected from St. Louis to Ireland. Users can also find round-trip St. Louis to Ireland flights by using the search form above.
Mon 7/298:00 pmSTL - DUB
2 stops33h 05mMultiple Airlines
Deal found 5/14$370
Mon 7/299:26 pmSTL - DUB
3 stops34h 24mMultiple Airlines
Deal found 5/14$487
Mon 7/298:35 pmSTL - DUB
3 stops35h 15mMultiple Airlines
Deal found 5/15$524
Mon 7/293:49 pmSTL - DUB
1 stop10h 56mKLM
Deal found 5/14$657
Mon 7/299:47 amSTL - DUB
1 stop19h 53mIberia
Deal found 5/15$750
Mon 7/299:20 amSTL - DUB
2 stops13h 15mAmerican Airlines
Deal found 5/15$761
Mon 6/1010:50 amSTL - DUB
2 stops17h 30mUnited Airlines
Deal found 5/14$827

Find flights from St. Louis to Ireland within your budget

Customize your flight search to find flights from St. Louis to Ireland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,644,845 searches. Data last updated May 15, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$473 - $877

Route

Depart

Return

Price

Lambert-St LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 10/29

1 stop32h 20m

Dublin

Tue 11/5

1 stop30h 53m

$473

Lambert-St LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 11/5

1 stop12h 36m

Dublin

Tue 11/19

1 stop30h 53m

$484

Lambert-St LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 11/5

1 stop14h 35m

Dublin

Tue 11/19

1 stop12h 23m

$485

Lambert-St LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 11/5

2 stops14h 54m

Dublin

Tue 11/12

2 stops18h 50m

$502

Lambert-St LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Thu 11/7

2 stops14h 34m

Dublin

Sun 11/10

2 stops16h 51m

$619

Lambert-St LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Fri 10/25

1 stop14h 10m

Dublin

Sat 11/2

1 stop35h 20m

$738

Lambert-St LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Fri 10/25

2 stops14h 47m

Shannon

Sat 11/2

2 stops20h 37m

$759

Lambert-St LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 10/2

2 stops16h 23m

Dublin

Wed 10/16

1 stop12h 39m

$814

Lambert-St LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Fri 8/23

2 stops16h 59m

Shannon

Tue 9/3

2 stops16h 49m

$877

Flights are sorted by cheapest first

Deals found on 5/13

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Ireland

Get insights into the airlines that provide service to Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ireland. Reviews last updated May 15, 2024.
To help decide which airline to fly from St. Louis to Ireland, see what other customers have to say about Lufthansa, British Airways and Iberia. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
10,691 reviews

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.0

Crew

8.6

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

8.0
Very good
10,691 reviews
8.0
Very good
10,691 reviews

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.0

Crew

8.6

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.9
Good
1,568 reviews
8.0
Very good
10,691 reviews

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.0

Crew

8.6

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.6
Good
1,767 reviews
8.0
Very good
10,691 reviews

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.0

Crew

8.6

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.5
Good
2,920 reviews
8.0
Very good
10,691 reviews

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.0

Crew

8.6

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.4
Good
10,946 reviews
8.0
Very good
10,691 reviews

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.0

Crew

8.6

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from St. Louis to Ireland?

    For a flight from St. Louis to Ireland, you will be flying from Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city.

  • Can I find flights from St. Louis to Ireland for under $500 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Ireland for under $500. The cheapest flight booked recently is on Multiple Airlines for just $473, but on average you can expect to pay $552.

  • Are there last-minute flights available from St. Louis to Ireland for under $1,100?

    There are currently 20+ open flights from St. Louis to Ireland within the next 7 days for less than $1,100.

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

    The cheapest airline one-way is KLM, with whom users have recently found tickets for as low as $657. However, be on the lookout for offers from Iberia and American Airlines, as they are both options that can get you from St. Louis to Ireland for a low price.

  • What are the most popular routes from St. Louis to Ireland?

  • What are the most popular airlines that fly from St. Louis to Ireland?

  • What does STL to DUB mean?

    This is defined as Lambert-St Louis Airport (STL) and Dublin Airport (DUB). Codes like Dublin Airport are often used to just call airports uniquely. Shannon Airport (SNN), Cork Airport (ORK), Knock Intl Airport (NOC), Milltown (Kerry) Kerry Airport (KIR), Galway Airport (GWY) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from St. Louis to Ireland that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Ireland flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Ireland with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Ireland flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from St. Louis to Ireland that include hotel bookings?

    Yes. In addition to deals on St. Louis to Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Ireland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Ireland.

  • Can I find deals for business class flights from St. Louis to Ireland?

    Yes. Cheapflights offers flight deals from St. Louis to Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from St. Louis to Ireland that allow pets onboard?

    Many airlines flying from St. Louis to Ireland offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Ireland?

    Yes, you can often find last-minute deals on St. Louis to Ireland flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Ireland flight deals updated?

    The St. Louis to Ireland flight deals you see on this page were last updated on 5/14.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Ireland
See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from St. Louis to Ireland

Discover the top 9 airlines that operate flights from St. Louis to Ireland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,644,845 searches. Data last updated May 15, 2024.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$506Average$858FlexibilityNo cancel feeOn-time77%
Search Iberia flights
United AirlinesCheapest$508Average$1,000FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$555Average$1,016FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapest$560Average$831FlexibilityNo cancel feeOn-time70%
Search British Airways flights
DeltaCheapest$565Average$928FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest$592Average$1,053FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
KLMCheapest$597Average$820FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest$632Average$989FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Aer LingusCheapest$941Average$1,221FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Search flights from St. Louis to Ireland by cabin class

Find flights from St. Louis to Ireland, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Ireland?

When you search for this flight from St. Louis to Ireland, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Ireland?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ireland from St. Louis.

Can Cheapflights find flights from St. Louis to Ireland with no change fees?

Need flexible booking options for your flight to Ireland from St. Louis? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from St. Louis to Ireland become cheaper?

Yes, Cheapflights offers price alerts on St. Louis to Ireland flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.