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Cheap flights from St. Louis to Northern Ireland from £334

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 20/6. 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
21 May — 28 May1
1 adult
Tue 21/5
Tue 28/5

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

August is one of the best times of the year to fly to Northern Ireland from St. Louis. Prices for August average £884 per person but you can even find prices for as low as £531. The most expensive prices can be found in the month of February. Opting for a August flight can save you 63% on your journey compared to booking in February

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

When flying from St. Louis to Northern 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 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 844,321 searches. Data last updated 16 May 2024.
Mon 15/718:09STL - BHD
2 stops17h 16mBritish Airways
Mon 22/719:30BHD - STL
2 stops27h 49mBritish Airways
Deal found 16/5£749
Mon 15/718:09STL - BHD
2 stops17h 16mBritish Airways
Sun 21/719:40BHD - STL
2 stops24h 46mBritish Airways
Deal found 16/5£787
Mon 15/718:09STL - BHD
2 stops18h 31mBritish Airways
Sun 21/715:15BHD - STL
3 stops56h 04mBritish Airways
Deal found 16/5£927
Mon 15/706:04STL - BHD
3 stops21h 11mBritish Airways
Sun 21/715:15BHD - STL
3 stops56h 04mBritish Airways
Deal found 16/5£947

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 844,321 searches. Prices were last updated on 16 May 2024.
Sat 15/610:15STL - BHD
2 stops24h 35mDelta
Sat 22/617:20BHD - STL
2 stops29h 41mDelta
Deal found 16/5£1,106
Sat 15/611:38STL - BHD
3 stops22h 32mMultiple Airlines
Sat 22/607:15BHD - STL
3 stops40h 10mMultiple Airlines
Deal found 16/5£1,217
Sat 15/611:38STL - BHD
2 stops15h 47mMultiple Airlines
Sat 22/607:15BHD - STL
3 stops40h 10mMultiple Airlines
Deal found 16/5£1,473
Sat 15/612:50STL - BFS
2 stops24h 15mMultiple Airlines
Sat 22/607:10BFS - STL
2 stops18h 09mMultiple Airlines
Deal found 16/5£1,919

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 844,321 searches. Data last updated 16 May 2024.
Mon 28/1019:03STL - BHD
2 stops16h 07mAmerican Airlines
Thu 7/1111:10BHD - STL
2 stops18h 12mAmerican Airlines
Deal found 16/5£514
Mon 15/718:09STL - BHD
2 stops17h 16mBritish Airways
Mon 22/719:30BHD - STL
2 stops27h 49mBritish Airways
Deal found 16/5£749
Mon 15/718:09STL - BHD
2 stops17h 16mBritish Airways
Sun 21/719:40BHD - STL
2 stops24h 46mBritish Airways
Deal found 16/5£787
Tue 29/1014:41STL - BHD
3 stops16h 29mMultiple Airlines
Wed 6/1106:45BHD - STL
2 stops19h 28mMultiple Airlines
Deal found 16/5£899
Tue 29/1014:41STL - BHD
3 stops16h 29mMultiple Airlines
Wed 6/1107:10BHD - STL
3 stops20h 21mMultiple Airlines
Deal found 16/5£915
Mon 15/718:09STL - BHD
2 stops18h 31mBritish Airways
Sun 21/715:15BHD - STL
3 stops56h 04mBritish Airways
Deal found 16/5£927
Mon 15/706:04STL - BHD
3 stops21h 11mBritish Airways
Sun 21/715:15BHD - STL
3 stops56h 04mBritish Airways
Deal found 16/5£947
Sat 15/610:15STL - BHD
2 stops24h 35mDelta
Sat 22/617:20BHD - STL
2 stops29h 41mDelta
Deal found 16/5£1,106
Sat 15/611:38STL - BHD
3 stops22h 32mMultiple Airlines
Sat 22/607:15BHD - STL
3 stops40h 10mMultiple Airlines
Deal found 16/5£1,217

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 844,321 searches. Data last updated 16 May 2024.
Thu 20/620:12STL - BFS
2 stops37h 33mMultiple Airlines
Deal found 16/5£334
Thu 20/620:12STL - BHD
2 stops41h 48mMultiple Airlines
Deal found 16/5£341
Thu 20/620:12STL - BHD
3 stops56h 53mMultiple Airlines
Deal found 16/5£382

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

Customise 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 844,321 searches. Data last updated 16 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£749 - £1,919

Route

Depart

Return

Price

Lambert-St LouisBelfast City

STL - BHD

STLBHD

Lambert-St Louis

Mon 15/7

2 stops17h 16m

Belfast City

Mon 22/7

2 stops27h 49m

£749

Lambert-St LouisBelfast City

STL - BHD

STLBHD

Lambert-St Louis

Mon 15/7

2 stops17h 16m

Belfast City

Sun 21/7

2 stops24h 46m

£787

Lambert-St LouisBelfast City

STL - BHD

STLBHD

Lambert-St Louis

Mon 15/7

2 stops18h 31m

Belfast City

Sun 21/7

3 stops56h 04m

£927

Lambert-St LouisBelfast City

STL - BHD

STLBHD

Lambert-St Louis

Mon 15/7

3 stops21h 11m

Belfast City

Sun 21/7

3 stops56h 04m

£947

Lambert-St LouisBelfast City

STL - BHD

STLBHD

Lambert-St Louis

Sat 15/6

2 stops24h 35m

Belfast City

Sat 22/6

2 stops29h 41m

£1,106

Lambert-St LouisBelfast City

STL - BHD

STLBHD

Lambert-St Louis

Sat 15/6

3 stops22h 32m

Belfast City

Sat 22/6

3 stops40h 10m

£1,217

Lambert-St LouisBelfast City

STL - BHD

STLBHD

Lambert-St Louis

Sat 15/6

2 stops15h 47m

Belfast City

Sat 22/6

3 stops40h 10m

£1,473

Lambert-St LouisBelfast Intl

STL - BFS

STLBFS

Lambert-St Louis

Sat 15/6

2 stops24h 15m

Belfast Intl

Sat 22/6

2 stops18h 09m

£1,919

Flights are sorted by cheapest first

Deals found on 16/5

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 16 May 2024.
Delta
8.0
Very Good
10,673 reviews
Check prices

Crew

8.6

Overall

8.0

Comfort

7.9

Food

7.4

Entertainment

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
10,673 reviews
Delta
8.0
Very Good
10,673 reviews
Check prices

Crew

8.6

Overall

8.0

Comfort

7.9

Food

7.4

Entertainment

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
6,829 reviews
Delta
8.0
Very Good
10,673 reviews
Check prices

Crew

8.6

Overall

8.0

Comfort

7.9

Food

7.4

Entertainment

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 £800 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Northern Ireland for under £800. The cheapest flight booked recently is on British Airways for just £749, but on average you can expect to pay £1,141.

  • What does STL to BFS mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Lambert-St Louis Airport to Belfast Intl Airport flight would often be abbreviated as a STL to BFS flight. Belfast City Airport (BHD), Londonderry Eglinton Airport (LDY) are other airports near this flight route and their unique identifiers/IATA codes.

  • 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 holiday 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 16/5.

See more FAQs

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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.
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Fly with Cheapflights

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

When you search for this flight from St. Louis to Northern 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 Northern Ireland?

Millions of users choose and trust Cheapflights to book the best flight deals from St. Louis to Northern Ireland for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Certainly. Search results for flights to Northern Ireland from St. Louis shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Northern Ireland from St. Louis today and book when prices fit your budget.

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