HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Northern Ireland

$1,654+ Cheap flights from St. Louis (STL) to Northern 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 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BFS
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Northern Ireland with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 November 21, 2024.

Find flight deals from St. Louis to Northern Ireland

Best flights from St. Louis to Northern Ireland
Discover carefully curated flight deals from St. Louis to Northern Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 21, 2024.

This Mytrip deal was found by Cheapflights users on 11/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/43:50 pmSTL - BFS
2 stops20h 35mMultiple Airlines
Sat 1/1110:35 amBFS - STL
3 stops34h 08mMultiple Airlines
Deal found 11/20$1,654

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 2,629,791 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisBelfast

STL - BFS

STLBFS

Lambert-St Louis

Sat 1/4

3:50 pm-6:25 pm

2 stops20h 35m

Belfast Intl

Sat 1/11

10:35 am-2:43 pm

3 stops34h 08m

$1,654

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

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 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.

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.

What is the cheapest time of day to fly from STL to NIR?

Find hourly flight availability from St. Louis to Northern Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

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.

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 2.0 - 3.5 inches per month. October is typically the wettest month, when rainfall can reach 3.5 in. April is typically the driest time to visit Northern Ireland when rainfall is around 2.0 in.

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 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 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.

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

    Currently, February is the cheapest month in which you can book a flight from St. Louis to Northern Ireland (average of $641). Flying from St. Louis to Northern Ireland in June is currently the most expensive (average of $1,183). 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

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 Northern Ireland

See prices for flight routes from nearby airports that may be better suited for you.
St. Louis to Heathrow flights
Kansas City to Heathrow flights
Kansas City to Gatwick flights
St. Louis to Gatwick flights
St. Louis to London City flights
Kansas City to London City flights
Kansas City to Edinburgh flights
St. Louis to Edinburgh flights
Kansas City to Manchester flights
Springfield to Heathrow flights
St. Louis to Manchester flights
St. Louis to Glasgow Intl flights
St. Louis to Luton flights
Kansas City to Glasgow Intl flights
Kansas City to Inverness flights
St. Louis to Leeds flights
Springfield to Gatwick flights
Springfield to London City flights
Columbia to Heathrow flights
St. Louis to Birmingham flights
Joplin to Heathrow flights
Springfield to Edinburgh flights
St. Louis to Inverness flights
Joplin to Edinburgh flights
St. Louis to Belfast Intl flights
St. Louis to Stansted flights
Kansas City to Liverpool flights
Kansas City to Birmingham flights
Kansas City to Aberdeen flights
St. Louis to Belfast City flights
Kansas City to Grimsby flights
Springfield to Glasgow Intl flights
Kansas City to Leeds flights
Kansas City to Bristol flights
Kansas City to Stansted flights
Kansas City to Newcastle upon Tyne flights
Kansas City to Cardiff flights
Kansas City to Belfast Intl flights

Top 2 airlines flying from St. Louis to Northern Ireland

Discover the top 2 airlines 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 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$658Average$898FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$672Average$740FlexibilityNo cancel feeOn-time70%
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.
View all available airlines