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Cheap flights from St. Louis (STL) to Northern Ireland from $477

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 6/13. 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 — BFS
May 20 — May 271
From?
To?
Mon 5/20
Mon 5/27
1 adult, Economy
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What is the cheapest month to fly from St. Louis to Northern Ireland?

Flights from St. Louis to Northern Ireland lean towards being more expensive in February. Prices are generally better when you fly from St. Louis to Northern Ireland in August, with the cheapest ticket starting at $673.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from St. Louis to Northern Ireland as you normally would.

Cheap British Airways flights from St. Louis to Northern Ireland

Explore cheap flight options specifically provided by British Airways for the route between St. Louis and Northern 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.
Peruse some of the lowest-priced British Airways flights we've found from St. Louis to Northern Ireland. It's recommended that users confirm their flight details before booking.
Mon 7/156:09 pmSTL - BHD
2 stops17h 16mBritish Airways
Mon 7/227:30 pmBHD - STL
2 stops27h 49mBritish Airways
Deal found 5/14$1,073
Mon 7/156:09 pmSTL - BHD
2 stops18h 31mBritish Airways
Sun 7/216:05 pmBHD - STL
2 stops26h 21mBritish Airways
Deal found 5/14$1,122
Mon 7/151:46 pmSTL - BHD
2 stops22h 54mBritish Airways
Sun 7/2110:10 amBHD - STL
3 stops61h 09mBritish Airways
Deal found 5/14$1,307
Mon 7/156:04 amSTL - BHD
3 stops21h 11mBritish Airways
Sun 7/213:15 pmBHD - STL
3 stops56h 04mBritish Airways
Deal found 5/14$1,323

Cheap Lufthansa flights from St. Louis to Northern Ireland

Explore cheap flight options specifically provided by Lufthansa for the route between St. Louis and Northern 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 Lufthansa flights we've found at this time heading from St. Louis to Northern Ireland. Check back soon if you're not seeing flights that suit your needs.
Wed 8/75:30 pmSTL - BHD
2 stops39h 20mLufthansa
Tue 8/133:35 pmBHD - STL
1 stop27h 55mLufthansa
Deal found 5/15$1,394
Thu 6/1310:50 amSTL - BHD
2 stops22h 00mLufthansa
Thu 6/203:35 pmBHD - STL
1 stop27h 55mLufthansa
Deal found 5/14$1,430

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

Find cheap flight options from St. Louis to Northern 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.
Scroll through some of the best deals on flights from St. Louis to Northern Ireland in 2024. Check back regularly for other flight deals.
Thu 6/135:38 pmSTL - BHD
2 stops15h 57mAmerican Airlines
Thu 6/206:35 amBHD - STL
2 stops18h 54mAmerican Airlines
Deal found 5/14$843
Thu 6/1310:50 amSTL - BHD
2 stops22h 00mLufthansa
Thu 6/203:35 pmBHD - STL
1 stop27h 55mLufthansa
Deal found 5/14$1,430
Thu 6/139:50 amSTL - BHD
3 stops23h 00mMultiple Airlines
Thu 6/206:35 amBHD - STL
2 stops19h 26mMultiple Airlines
Deal found 5/14$1,818

St. Louis to Northern Ireland 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Northern 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.
Scroll through some of the best deals on flights from St. Louis to Northern Ireland in 2024. Check back regularly for other flight deals.
Wed 11/205:05 pmSTL - BHD
2 stops17h 45mDelta
Sun 11/245:20 pmBHD - STL
2 stops33h 11mDelta
Deal found 5/13$762
Thu 6/135:38 pmSTL - BHD
2 stops15h 57mAmerican Airlines
Thu 6/206:35 amBHD - STL
2 stops18h 54mAmerican Airlines
Deal found 5/14$843
Wed 8/711:51 amSTL - BHD
2 stops22h 59mDelta
Tue 8/135:20 pmBHD - STL
2 stops30h 07mDelta
Deal found 5/15$950
Mon 7/156:09 pmSTL - BHD
2 stops17h 16mBritish Airways
Sun 7/217:40 pmBHD - STL
2 stops24h 46mBritish Airways
Deal found 5/15$998
Mon 7/156:09 pmSTL - BHD
2 stops17h 16mBritish Airways
Mon 7/227:30 pmBHD - STL
2 stops27h 49mBritish Airways
Deal found 5/14$1,073
Mon 7/156:09 pmSTL - BHD
2 stops18h 31mBritish Airways
Sun 7/216:05 pmBHD - STL
2 stops26h 21mBritish Airways
Deal found 5/14$1,122
Mon 7/156:09 pmSTL - BHD
2 stops17h 16mBritish Airways
Sun 7/213:15 pmBHD - STL
3 stops56h 04mBritish Airways
Deal found 5/15$1,175
Mon 7/156:04 amSTL - BHD
3 stops21h 11mBritish Airways
Sun 7/213:15 pmBHD - STL
3 stops56h 04mBritish Airways
Deal found 5/15$1,200
Mon 7/151:46 pmSTL - BHD
2 stops22h 54mBritish Airways
Sun 7/2110:10 amBHD - STL
3 stops61h 09mBritish Airways
Deal found 5/14$1,307

One-way flights to Northern Ireland from St. Louis

Search for one-way flight options from St. Louis to Northern 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.
Users in need of a one-way flight from St. Louis to Northern Ireland can choose from these deals. Users needing a return flight from St. Louis to Northern Ireland should utilize the search form above.
Thu 6/138:12 pmSTL - BHD
2 stops42h 33mMultiple Airlines
Deal found 5/14$477
Thu 6/138:12 pmSTL - BFS
2 stops55h 08mMultiple Airlines
Deal found 5/14$478
Thu 6/138:12 pmSTL - BHD
3 stops36h 53mMultiple Airlines
Deal found 5/14$504
Thu 6/138:12 pmSTL - BFS
3 stops44h 08mMultiple Airlines
Deal found 5/14$511

Find flights from St. Louis to Northern Ireland within your budget

Customize your flight search to find flights from St. Louis to Northern 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

$843 - $1,512

Route

Depart

Return

Price

Lambert-St LouisBelfast City

STL - BHD

STLBHD

Lambert-St Louis

Thu 6/13

2 stops15h 57m

Belfast City

Thu 6/20

2 stops18h 54m

$843

Lambert-St LouisBelfast City

STL - BHD

STLBHD

Lambert-St Louis

Wed 8/7

2 stops22h 59m

Belfast City

Tue 8/13

2 stops30h 07m

$950

Lambert-St LouisBelfast City

STL - BHD

STLBHD

Lambert-St Louis

Mon 7/15

2 stops17h 16m

Belfast City

Mon 7/22

2 stops27h 49m

$1,073

Lambert-St LouisBelfast City

STL - BHD

STLBHD

Lambert-St Louis

Mon 7/15

2 stops18h 31m

Belfast City

Sun 7/21

2 stops26h 21m

$1,122

Lambert-St LouisBelfast City

STL - BHD

STLBHD

Lambert-St Louis

Mon 7/15

2 stops22h 54m

Belfast City

Sun 7/21

3 stops61h 09m

$1,307

Lambert-St LouisBelfast City

STL - BHD

STLBHD

Lambert-St Louis

Mon 7/15

3 stops21h 11m

Belfast City

Sun 7/21

3 stops56h 04m

$1,323

Lambert-St LouisBelfast City

STL - BHD

STLBHD

Lambert-St Louis

Wed 8/7

2 stops39h 20m

Belfast City

Tue 8/13

1 stop27h 55m

$1,394

Lambert-St LouisBelfast City

STL - BHD

STLBHD

Lambert-St Louis

Thu 6/13

2 stops22h 00m

Belfast City

Thu 6/20

1 stop27h 55m

$1,430

Lambert-St LouisBelfast City

STL - BHD

STLBHD

Lambert-St Louis

Wed 8/7

2 stops21h 25m

Belfast City

Tue 8/13

3 stops33h 51m

$1,512

Flights are sorted by cheapest first

Deals found on 5/14

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

Reviews of airlines servicing Northern Ireland

Get insights into the airlines that provide service to Northern 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 Northern Ireland. Reviews last updated May 15, 2024.
Read through reviews of airlines operating flights from St. Louis to Northern Ireland, such as British Airways and Lufthansa. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,691 reviews
Check prices

Comfort

7.9

Food

7.4

Entertainment

8.0

Crew

8.6

Overall

8.0

Boarding

8.2

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.

Delta
8.0
Very good
10,691 reviews
Delta
8.0
Very good
10,691 reviews
Check prices

Comfort

7.9

Food

7.4

Entertainment

8.0

Crew

8.6

Overall

8.0

Boarding

8.2

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.

American Airlines
7.3
Good
14,535 reviews
Delta
8.0
Very good
10,691 reviews
Check prices

Comfort

7.9

Food

7.4

Entertainment

8.0

Crew

8.6

Overall

8.0

Boarding

8.2

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.

Lufthansa
7.0
Good
7,665 reviews
Delta
8.0
Very good
10,691 reviews
Check prices

Comfort

7.9

Food

7.4

Entertainment

8.0

Crew

8.6

Overall

8.0

Boarding

8.2

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.

British Airways
6.8
Okay
6,837 reviews
Delta
8.0
Very good
10,691 reviews
Check prices

Comfort

7.9

Food

7.4

Entertainment

8.0

Crew

8.6

Overall

8.0

Boarding

8.2

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 Northern 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 Northern Ireland?

    Located just 12.7 mi from the city center, Lambert-St Louis (STL) is the airport most travelers will use when flying to Northern Ireland from St. Louis.

  • Can I find flights from St. Louis to Northern Ireland for under $900 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Northern Ireland for under $900. The cheapest flight booked recently is on American Airlines for just $843, but on average you can expect to pay $1,307.

  • What does STL to BFS mean?

    Lambert-St Louis Airport is STL and Belfast Intl Airport is BFS. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Belfast City Airport (BHD), Londonderry Eglinton Airport (LDY).

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

    The amount of baggage you can bring on your St. Louis to Northern 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 Northern Ireland with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Northern 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 Northern Ireland that include hotel bookings?

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Northern 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 Northern Ireland that allow pets onboard?

    Many airlines flying from St. Louis to Northern 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 Northern Ireland?

    Yes, you can often find last-minute deals on St. Louis to Northern 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 Northern Ireland flight deals updated?

    The St. Louis to Northern Ireland flight deals you see on this page were last updated on 5/15.

See more FAQs

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

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Top airline flying from St. Louis to Northern Ireland

Discover the top airline that operate flights from St. Louis to Northern 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
American AirlinesCheapest$700Average$1,071FlexibilityNo cancel feeOn-time71%
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Search flights from St. Louis to Northern Ireland by cabin class

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

Cheapflights makes it easy to find St. Louis to Northern Ireland flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights helps you find that perfect flight to Northern Ireland from St. Louis by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Need flexible booking options for your flight to Northern 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 Northern Ireland become cheaper?

Yes, Cheapflights offers price alerts on St. Louis to Northern 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.

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