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Cheap flights from St. Louis to Northern Ireland from £604

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BFS
26 Jan — 2 Feb1
1 adult

Cheap flight deals from St. Louis to Northern Ireland

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Northern Ireland (GBNIR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 January 2025.

Round-trip from

£604
Delta
  • Delta
  • 28/4-14/5
  • 4 total stops
  • 44h 13m total
  • St. Louis to Northern Ireland
Search Deals

Find flight deals from St. Louis to Northern Ireland

Cheapest flights from St. Louis to Northern Ireland
Explore the most affordable flight options available from St. Louis to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 January 2025.

Mon 28/417:40STL - BHD
2 stops17h 15mDelta
Mon 12/517:25BHD - STL
2 stops28h 33mDelta
Deal found 21/1£604
Thu 1/513:48STL - BHD
2 stops17h 27mAmerican Airlines
Tue 13/506:35BHD - STL
2 stops19h 10mAmerican Airlines
Deal found 21/1£606
Fri 2/517:30STL - BHD
2 stops17h 25mMultiple Airlines
Wed 14/506:30BHD - STL
2 stops20h 18mMultiple Airlines
Deal found 21/1£968
Mon 14/718:15STL - BHD
2 stops17h 15mBritish Airways
Mon 21/719:30BHD - STL
2 stops26h 28mBritish Airways
Deal found 21/1£983
Fri 7/315:45STL - BFS
2 stops21h 10mMultiple Airlines
Fri 14/320:30BFS - STL
3 stops47h 25mMultiple Airlines
Deal found 21/1£1,206

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 858,174 searches. Data last updated 21 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Mon 28/4

10:45-16:55

2 stops24h 10m

Belfast City

Wed 14/5

06:30-20:33

2 stops20h 03m

£604

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Thu 1/5

13:48-13:15

2 stops17h 27m

Belfast City

Tue 13/5

06:35-19:45

2 stops19h 10m

£606

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Fri 2/5

17:30-16:55

2 stops17h 25m

Belfast City

Wed 14/5

06:30-20:48

2 stops20h 18m

£968

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Mon 14/7

18:15-17:30

2 stops17h 15m

Belfast City

Mon 21/7

19:30-15:58

2 stops26h 28m

£983

St. LouisBelfast

STL - BFS

STLBFS

Lambert-St Louis

Fri 7/3

15:45-18:55

2 stops21h 10m

Belfast Intl

Fri 14/3

20:30-14:55

3 stops47h 25m

£1,206

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Fri 27/6

17:22-13:40

2 stops38h 18m

£634

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Fri 27/6

13:00-14:30

3 stops19h 30m

£889

Flights are sorted by cheapest return flights first.

Deals found on 20/1

Best time to book a flight from St. Louis to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from St. Louis with our price prediction graph.
Estimated return 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.

Travel insights for flights from St. Louis to Northern Ireland

Get recent, data-driven insights about flights from St. Louis to Northern Ireland including ideal travel times, pricing trends, and more.

Rainfall in Northern Ireland by month

Plan your trip to Northern Ireland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Northern Ireland ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Northern Ireland when rainfall is around 50.0 mm.

Temperature in Northern Ireland by month

Plan your trip to Northern Ireland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Northern Ireland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

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 21 January 2025.
Delta
8.0
Very Good
8,521 reviews
Check prices

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very Good
8,521 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

British Airways
6.6
Okay
6,834 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 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.

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

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Northern Ireland (average of £67). Flying from St. Louis to Northern Ireland in July is currently the most expensive (average of £90). 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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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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How does Cheapflights help users find flights from St. Louis to Northern Ireland?

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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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