Cheap flights from St. Louis (STL) to Ireland from $402

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 5/28. 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
Apr 22 — Apr 291

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 86% 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 $854, or $949 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 $977 on average during February, but can be found for as low as $519.

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 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 3,185,007 searches. Data last updated April 17, 2024.
Find some of the cheapest British Airways flights traveling from St. Louis to Ireland. It's recommended that users confirm their flight details before booking.
Mon 5/62:43 pmSTL - DUB
1 stop13h 02mBritish Airways
Mon 5/138:30 pmDUB - STL
2 stops30h 25mBritish Airways
Deal found 4/16$830
Sun 8/254:20 pmSTL - DUB
2 stops14h 05mBritish Airways
Sun 9/159:30 amDUB - STL
1 stop13h 44mBritish Airways
Deal found 4/16$864
Tue 5/77:20 pmSTL - ORK
2 stops22h 25mBritish Airways
Wed 5/1511:45 amORK - STL
2 stops16h 02mBritish Airways
Deal found 4/16$1,038
Sun 5/197:20 pmSTL - DUB
2 stops18h 25mBritish Airways
Wed 5/2912:40 pmDUB - STL
1 stop12h 48mBritish Airways
Deal found 4/17$1,042

Cheap Air Canada flights from St. Louis to Ireland

Explore cheap flight options specifically provided by Air Canada 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 3,185,007 searches. Data last updated April 17, 2024.
Some of the lowest-priced Air Canada flights we've found at this time heading from St. Louis to Ireland. Deals frequently update to provide users with more options.
Tue 9/1712:00 pmSTL - DUB
1 stop14h 30mAir Canada
Thu 10/39:50 amDUB - STL
1 stop11h 30mAir Canada
Deal found 4/15$803
Tue 10/112:00 pmSTL - DUB
2 stops38h 15mAir Canada
Wed 10/169:50 amDUB - STL
1 stop16h 10mAir Canada
Deal found 4/16$809
Sat 8/2412:00 pmSTL - DUB
1 stop14h 30mAir Canada
Tue 9/39:50 amDUB - STL
1 stop11h 30mAir Canada
Deal found 4/16$853
Sat 8/2412:00 pmSTL - DUB
2 stops38h 15mAir Canada
Tue 9/39:50 amDUB - STL
2 stops17h 15mAir Canada
Deal found 4/16$859
Sun 8/259:30 amSTL - DUB
2 stops16h 45mAir Canada
Sun 9/159:50 amDUB - STL
2 stops17h 15mAir Canada
Deal found 4/16$885
Thu 9/1212:00 pmSTL - DUB
1 stop14h 30mAir Canada
Sat 9/219:50 amDUB - STL
1 stop11h 30mAir Canada
Deal found 4/16$903
Fri 10/412:00 pmSTL - DUB
2 stops38h 15mAir Canada
Sun 10/139:50 amDUB - STL
1 stop11h 30mAir Canada
Deal found 4/16$909
Fri 10/412:00 pmSTL - DUB
2 stops38h 15mAir Canada
Sun 10/139:50 amDUB - STL
2 stops41h 15mAir Canada
Deal found 4/16$925
Thu 9/126:34 amSTL - DUB
2 stops19h 56mAir Canada
Sat 9/219:50 amDUB - STL
2 stops17h 15mAir Canada
Deal found 4/17$929

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

Find cheap flight options from St. Louis to Ireland specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,185,007 searches. Prices were last updated on April 17, 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.
Wed 5/11:11 pmSTL - SNN
2 stops20h 59mAmerican Airlines
Wed 5/157:40 amSNN - STL
2 stops17h 50mAmerican Airlines
Deal found 4/17$819
Sun 5/125:08 pmSTL - SNN
2 stops17h 02mAmerican Airlines
Tue 5/219:25 pmSNN - STL
2 stops24h 03mAmerican Airlines
Deal found 4/16$820
Mon 5/62:43 pmSTL - DUB
1 stop13h 02mBritish Airways
Mon 5/138:30 pmDUB - STL
2 stops30h 25mBritish Airways
Deal found 4/16$830
Mon 5/63:15 pmSTL - DUB
1 stop13h 55mMultiple Airlines
Mon 5/139:50 amDUB - STL
1 stop16h 11mMultiple Airlines
Deal found 4/16$858
Mon 5/610:10 amSTL - DUB
2 stops17h 45mMultiple Airlines
Mon 5/135:45 pmDUB - STL
2 stops28h 01mMultiple Airlines
Deal found 4/16$861
Tue 5/77:20 pmSTL - ORK
2 stops22h 25mBritish Airways
Wed 5/1511:45 amORK - STL
2 stops16h 02mBritish Airways
Deal found 4/16$1,038
Sun 5/196:40 amSTL - DUB
1 stop17h 15mAmerican Airlines
Wed 5/2911:45 amDUB - STL
1 stop17h 37mAmerican Airlines
Deal found 4/17$1,040
Sun 5/197:20 pmSTL - DUB
2 stops18h 25mBritish Airways
Wed 5/2912:40 pmDUB - STL
1 stop12h 48mBritish Airways
Deal found 4/17$1,042
Wed 5/110:10 amSTL - SNN
2 stops19h 10mMultiple Airlines
Wed 5/1512:30 pmSNN - STL
1 stop15h 25mMultiple Airlines
Deal found 4/17$1,047

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 3,185,007 searches. Data last updated April 17, 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 11/58:00 amSTL - DUB
2 stops19h 55mUnited Airlines
Tue 11/199:00 amDUB - STL
2 stops39h 33mUnited Airlines
Deal found 4/17$467
Tue 11/510:40 amSTL - DUB
1 stop14h 35mAir Canada
Wed 11/139:00 amDUB - STL
1 stop12h 23mAir Canada
Deal found 4/16$476
Tue 11/510:40 amSTL - DUB
1 stop14h 35mMultiple Airlines
Tue 11/125:15 amDUB - STL
2 stops34h 38mMultiple Airlines
Deal found 4/16$484
Tue 11/511:58 amSTL - DUB
2 stops15h 52mBritish Airways
Tue 11/199:05 amDUB - STL
2 stops18h 26mBritish Airways
Deal found 4/17$490
Wed 11/610:40 amSTL - DUB
2 stops24h 35mMultiple Airlines
Fri 11/159:00 amDUB - STL
1 stop30h 53mMultiple Airlines
Deal found 4/16$495
Wed 11/63:55 pmSTL - DUB
1 stop18h 55mLufthansa
Fri 11/155:15 amDUB - STL
1 stop14h 40mLufthansa
Deal found 4/16$501
Wed 11/610:40 amSTL - DUB
2 stops24h 35mMultiple Airlines
Fri 11/155:15 amDUB - STL
2 stops34h 38mMultiple Airlines
Deal found 4/16$503
Wed 11/61:27 pmSTL - DUB
2 stops21h 48mLufthansa
Fri 11/155:15 amDUB - STL
1 stop14h 40mLufthansa
Deal found 4/16$513
Tue 11/510:40 amSTL - DUB
1 stop14h 35mAir Canada
Sun 11/179:00 amDUB - STL
1 stop30h 53mAir Canada
Deal found 4/16$526

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 3,185,007 searches. Data last updated April 17, 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.
Sun 4/286:31 amSTL - DUB
2 stops48h 09mTurkish Airlines
Tue 5/710:35 amDUB - STL
2 stops59h 11mTurkish Airlines
Deal found 4/17$1,151
Sun 4/285:00 pmSTL - DUB
2 stops15h 50mAir Canada
Tue 5/79:50 amDUB - STL
1 stop11h 31mAir Canada
Deal found 4/16$1,182
Sun 4/281:00 pmSTL - DUB
1 stop15h 20mUnited Airlines
Tue 5/79:50 amDUB - STL
1 stop11h 31mUnited Airlines
Deal found 4/17$1,199
Mon 4/2910:10 amSTL - DUB
2 stops16h 05mMultiple Airlines
Tue 5/79:50 amDUB - STL
2 stops17h 15mMultiple Airlines
Deal found 4/16$1,204
Fri 4/195:25 pmSTL - DUB
2 stops14h 00mAmerican Airlines
Sun 4/211:55 pmDUB - STL
1 stop12h 48mAmerican Airlines
Deal found 4/15$1,205
Fri 4/195:25 pmSTL - DUB
2 stops14h 00mAmerican Airlines
Sun 4/211:55 pmDUB - STL
2 stops14h 47mAmerican Airlines
Deal found 4/15$1,208
Sun 4/285:15 amSTL - DUB
1 stop17h 45mAmerican Airlines
Tue 5/711:45 amDUB - STL
1 stop17h 37mAmerican Airlines
Deal found 4/16$1,209
Fri 4/1911:26 amSTL - DUB
1 stop16h 19mAmerican Airlines
Sun 4/2111:45 amDUB - STL
1 stop16h 57mAmerican Airlines
Deal found 4/15$1,211
Sat 4/201:11 pmSTL - DUB
1 stop9h 49mAmerican Airlines
Sun 4/2111:45 amDUB - STL
1 stop12h 17mAmerican Airlines
Deal found 4/16$1,328

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 3,185,007 searches. Data last updated April 17, 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.
Tue 5/287:23 pmSTL - DUB
2 stops32h 37mMultiple Airlines
Deal found 4/16$402
Mon 7/299:20 pmSTL - DUB
3 stops30h 55mMultiple Airlines
Deal found 4/16$465
Mon 7/299:20 pmSTL - DUB
3 stops30h 55mMultiple Airlines
Deal found 4/17$466
Tue 5/2810:44 pmSTL - DUB
3 stops53h 16mMultiple Airlines
Deal found 4/16$524
Mon 7/291:10 pmSTL - DUB
2 stops14h 35mUnited Airlines
Deal found 4/17$657
Tue 5/282:35 pmSTL - DUB
1 stop12h 55mMultiple Airlines
Deal found 4/16$947
Sun 7/146:41 pmSTL - DUB
3 stops42h 49mMultiple Airlines
Deal found 4/16$1,359
Sat 7/1310:18 amSTL - DUB
3 stops53h 32mMultiple Airlines
Deal found 4/16$1,894
Sun 7/146:41 pmSTL - DUB
2 stops58h 24mMultiple Airlines
Deal found 4/16$1,988

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 3,185,007 searches. Data last updated April 17, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$803 - $1,151

Route

Depart

Return

Price

Lambert-St LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 9/17

1 stop14h 30m

Dublin

Thu 10/3

1 stop11h 30m

$803

Lambert-St LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 10/1

1 stop19h 55m

Dublin

Wed 10/16

1 stop11h 30m

$808

Lambert-St LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sun 9/1

1 stop16h 05m

Dublin

Thu 9/12

2 stops31h 15m

$813

Lambert-St LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Wed 5/1

2 stops20h 59m

Shannon

Wed 5/15

2 stops17h 50m

$819

Lambert-St LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 5/6

1 stop13h 02m

Dublin

Mon 5/13

2 stops30h 25m

$830

Lambert-St LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Wed 9/4

2 stops18h 50m

Shannon

Wed 9/11

2 stops27h 53m

$840

Lambert-St LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sat 10/12

2 stops41h 21m

Dublin

Mon 10/21

2 stops35h 09m

$865

Lambert-St LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sun 7/28

1 stop11h 02m

Dublin

Wed 8/7

1 stop13h 04m

$991

Lambert-St LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sun 4/28

2 stops48h 09m

Dublin

Tue 5/7

2 stops59h 11m

$1,151

Flights are sorted by cheapest first

Deals found on 4/15

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 April 17, 2024.
To help decide which airline to fly from St. Louis to Ireland, see what other customers have to say about British Airways, Air Canada and United Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
11,136 reviews

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Food

7.5

Overall

8.1

Crew

8.6

Reviews

1 / 10

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!

8.1
Very good
11,136 reviews
8.1
Very good
11,136 reviews

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Food

7.5

Overall

8.1

Crew

8.6

Reviews

1 / 10

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!

7.9
Good
1,643 reviews
8.1
Very good
11,136 reviews

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Food

7.5

Overall

8.1

Crew

8.6

Reviews

1 / 10

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!

7.6
Good
1,830 reviews
8.1
Very good
11,136 reviews

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Food

7.5

Overall

8.1

Crew

8.6

Reviews

1 / 10

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!

7.5
Good
3,690 reviews
8.1
Very good
11,136 reviews

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Food

7.5

Overall

8.1

Crew

8.6

Reviews

1 / 10

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!

7.5
Good
3,007 reviews
8.1
Very good
11,136 reviews

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Food

7.5

Overall

8.1

Crew

8.6

Reviews

1 / 10

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!

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 $900 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Ireland for under $900. The cheapest flight booked recently is on Air Canada for just $803, but on average you can expect to pay $829.

  • Are there last-minute flights available from St. Louis to Ireland for under $1,200?

    There are currently 13+ open flights from St. Louis to Ireland within the next 7 days for less than $1,200.

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

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $657. However, be on the lookout for offers from Lufthansa and Air Canada, 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 4/17.

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 3,185,007 searches. Data last updated April 17, 2024.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$506Average$808FlexibilityNo cancel feeOn-time77%
Search Iberia flights
United AirlinesCheapest$508Average$1,049FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$555Average$928FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$555Average$930FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapest$562Average$896FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapest$596Average$1,032FlexibilityNo 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$942Average$1,212FlexibilityNo 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.