Cheap flights from St. Louis (STL) to Northern Ireland from $933

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.

Yes, there are multiple flights from St. Louis to Northern Ireland for under $1,000. The cheapest flight booked recently is on American Airlines for just $933, but on average you can expect to pay $1,018.

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).

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.

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.

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

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.

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.

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.

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.

The St. Louis to Northern Ireland flight deals you see on this page were last updated on 6/11.

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 $1,214). 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.