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$519+ Cheap flights from St. Louis (STL) to Galway, Ireland

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SNN
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
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Cheap flight deals from St. Louis to Galway

Keep the following information in mind while searching for St. Louis to Galway flight deals. Data was last updated September 14, 2025.

Round-trip from

$519
(American Airlines)

Popular in

June

Cheapest in

December

Average price

$976
From Lambert-St Louis to Galway
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($98 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from St. Louis to Galway

Cheapest flights from St. Louis to Galway
Explore the most affordable flight options available from St. Louis to Galway. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2025.

This American Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/282:15 pmSTL - SNN
2 stops16h 15mAmerican Airlines
Tue 11/47:50 amSNN - STL
2 stops21h 17mAmerican Airlines
Deal found 9/13$519
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/292:15 pmSTL - SNN
2 stops16h 15mAmerican Airlines
Wed 11/57:50 amSNN - STL
2 stops14h 57mAmerican Airlines
Deal found 9/14$559
This Billigflug deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/284:33 pmSTL - SNN
2 stops19h 12mMultiple Airlines
Tue 11/42:45 pmSNN - STL
1 stop25h 25mMultiple Airlines
Deal found 9/13$678
This KAYAK deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/306:00 amSTL - SNN
2 stops23h 30mBritish Airways
Mon 12/155:30 pmSNN - STL
2 stops29h 20mBritish Airways
Deal found 9/12$730
This Ovago deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/32:11 pmSTL - SNN
2 stops15h 09mBritish Airways
Sun 10/262:45 pmSNN - STL
2 stops14h 09mBritish Airways
Deal found 9/12$939
This American Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/39:46 amSTL - SNN
1 stop13h 39mAmerican Airlines
Sun 10/262:45 pmSNN - STL
2 stops14h 09mAmerican Airlines
Deal found 9/12$971

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Galway 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 2,558,603 searches. Data last updated September 14, 2025.
Use the filters below to find and compare flights from St. Louis to Galway that are best for you.

Fly from

St. Louis

Fly to

Galway

Route

Depart

Return

Price

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Tue 10/28

2:15 pm-11:30 am

2 stops16h 15m

Shannon

Tue 11/4

7:50 am-11:07 pm

2 stops21h 17m

$519

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Wed 10/29

2:15 pm-11:30 am

2 stops16h 15m

Shannon

Wed 11/5

7:50 am-4:47 pm

2 stops14h 57m

$559

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Sun 11/30

6:00 am-11:30 am

2 stops23h 30m

Shannon

Mon 12/15

5:30 pm-4:50 pm

2 stops29h 20m

$730

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Tue 10/28

5:24 pm-4:45 pm

3 stops18h 21m

Shannon

Tue 11/4

7:50 am-3:29 pm

2 stops37h 39m

$758

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Fri 10/3

2:11 pm-11:20 am

2 stops15h 09m

Shannon

Sun 10/26

2:45 pm-11:54 pm

2 stops14h 09m

$939

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Fri 10/3

9:46 am-5:25 am

1 stop13h 39m

Shannon

Sun 10/26

2:45 pm-11:54 pm

2 stops14h 09m

$971

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Wed 10/29

4:05 pm-4:45 pm

2 stops19h 40m

Shannon

Wed 11/5

7:50 am-9:40 pm

3 stops19h 50m

$1,029

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Best time to book a flight from St. Louis to Galway

Have a flexible travel schedule? Discover the best time to fly to Galway from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Galway
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Galway

Get insights into the airlines that provide service to Galway. 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 Galway. Reviews last updated September 14, 2025.
Get a feel of what it's like to fly with United Airlines and American Airlines from St. Louis to Galway by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,931 reviews

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,931 reviews
United Airlines
7.4
Good
8,931 reviews

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,931 reviews

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Galway. 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 Galway?

    For a flight from St. Louis to Galway, you will be flying from Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city. Lambert-St Louis is the only St. Louis airport and it handles 0 outbound flights to Galway per day. 2 airlines have flights to Galway from Lambert-St Louis on a regular basis.

  • How long is the flight from St. Louis to Galway?

    American Airlines can get you from St. Louis to Galway in just under 16h 15m. Your travel time can differ by up to . The distance from St. Louis to Galway is about 3824 mi.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from St. Louis to Galway?

    Currently, February is the cheapest month in which you can book a flight from St. Louis to Galway (average of $533). Flying from St. Louis to Galway in June is currently the most expensive (average of $926). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 2 airlines flying from St. Louis to Galway

Discover the top 2 airlines that operate flights from St. Louis to Galway. 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 2,558,603 searches. Data last updated September 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$544Average$907FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$671Average$976FlexibilityNo cancel feeOn-time69%

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