United flights to St Louis

The best United flight deals to St Louis

Looking for a cheap last-minute deal or the best return flight to St Louis Airport? If you want to travel to St Louis Airport next month, return fares with United start from 1.066 €. Find the lowest prices on one-way and return tickets right here.

St Louis.908 € per passenger.Departing Mon, 2 Nov, returning Mon, 9 Nov.Return flight with United.Outbound indirect flight with United, departs from Dublin on Mon, 2 Nov, arriving in St Louis.Inbound indirect flight with United, departs from St Louis on Mon, 9 Nov, arriving in Dublin.Price includes taxes and charges.From 908 €, select.

St Louis.913 € per passenger.Departing Fri, 4 Dec, returning Fri, 15 Jan.Return flight with United.Outbound indirect flight with United, departs from Dublin on Fri, 4 Dec, arriving in St Louis.Inbound indirect flight with United, departs from St Louis on Fri, 15 Jan, arriving in Dublin.Price includes taxes and charges.From 913 €, select.

St Louis.938 € per passenger.Departing Sat, 13 Mar, returning Wed, 17 Mar.Return flight with United.Outbound indirect flight with United, departs from Dublin on Sat, 13 Mar, arriving in St Louis.Inbound indirect flight with United, departs from St Louis on Wed, 17 Mar, arriving in Dublin.Price includes taxes and charges.From 938 €, select.

St Louis.957 € per passenger.Departing Tue, 1 Sep, returning Tue, 8 Sep.Return flight with United.Outbound indirect flight with United, departs from Dublin on Tue, 1 Sep, arriving in St Louis.Inbound indirect flight with United, departs from St Louis on Tue, 8 Sep, arriving in Dublin.Price includes taxes and charges.From 957 €, select.

St Louis.958 € per passenger.Departing Mon, 28 Sep, returning Sun, 4 Oct.Return flight with United.Outbound indirect flight with United, departs from Dublin on Mon, 28 Sep, arriving in St Louis.Inbound indirect flight with United, departs from St Louis on Sun, 4 Oct, arriving in Dublin.Price includes taxes and charges.From 958 €, select.

St Louis.961 € per passenger.Departing Sun, 4 Oct, returning Sun, 11 Oct.Return flight with United.Outbound indirect flight with United, departs from Dublin on Sun, 4 Oct, arriving in St Louis.Inbound indirect flight with United, departs from St Louis on Sun, 11 Oct, arriving in Dublin.Price includes taxes and charges.From 961 €, select.

St Louis.966 € per passenger.Departing Fri, 28 Aug, returning Sun, 13 Sep.Return flight with United.Outbound indirect flight with United, departs from Dublin on Fri, 28 Aug, arriving in St Louis.Inbound indirect flight with United, departs from St Louis on Sun, 13 Sep, arriving in Dublin.Price includes taxes and charges.From 966 €, select.

St Louis.966 € per passenger.Departing Tue, 15 Dec, returning Sun, 20 Dec.Return flight with United.Outbound indirect flight with United, departs from Dublin on Tue, 15 Dec, arriving in St Louis.Inbound indirect flight with United, departs from St Louis on Sun, 20 Dec, arriving in Dublin.Price includes taxes and charges.From 966 €, select.

St Louis.967 € per passenger.Departing Wed, 26 Aug, returning Sun, 30 Aug.Return flight with United.Outbound indirect flight with United, departs from Dublin on Wed, 26 Aug, arriving in St Louis.Inbound indirect flight with United, departs from St Louis on Sun, 30 Aug, arriving in Dublin.Price includes taxes and charges.From 967 €, select.

St Louis.971 € per passenger.Departing Wed, 27 May, returning Wed, 1 Jul.Return flight with United.Outbound indirect flight with United, departs from Dublin on Wed, 27 May, arriving in St Louis.Inbound indirect flight with United, departs from St Louis on Wed, 1 Jul, arriving in Dublin.Price includes taxes and charges.From 971 €, select.

St Louis.972 € per passenger.Departing Fri, 29 May, returning Tue, 2 Jun.Return flight with United.Outbound indirect flight with United, departs from Shannon on Fri, 29 May, arriving in St Louis.Inbound indirect flight with United, departs from St Louis on Tue, 2 Jun, arriving in Shannon.Price includes taxes and charges.From 972 €, select.

St Louis.974 € per passenger.Departing Sun, 7 Jun, returning Fri, 7 Aug.Return flight with United.Outbound indirect flight with United, departs from Dublin on Sun, 7 Jun, arriving in St Louis.Inbound indirect flight with United, departs from St Louis on Fri, 7 Aug, arriving in Dublin.Price includes taxes and charges.From 974 €, select.

St Louis.987 € per passenger.Departing Wed, 10 Jun, returning Thu, 23 Jul.Return flight with United.Outbound indirect flight with United, departs from Dublin on Wed, 10 Jun, arriving in St Louis.Inbound indirect flight with United, departs from St Louis on Thu, 23 Jul, arriving in Dublin.Price includes taxes and charges.From 987 €, select.

St Louis.1.029 € per passenger.Departing Thu, 21 May, returning Thu, 28 May.Return flight with United.Outbound indirect flight with United, departs from Dublin on Thu, 21 May, arriving in St Louis.Inbound indirect flight with United, departs from St Louis on Thu, 28 May, arriving in Dublin.Price includes taxes and charges.From 1.029 €, select.

St Louis.1.038 € per passenger.Departing Tue, 4 Aug, returning Tue, 8 Dec.Return flight with United.Outbound indirect flight with United, departs from Dublin on Tue, 4 Aug, arriving in St Louis.Inbound indirect flight with United, departs from St Louis on Tue, 8 Dec, arriving in Dublin.Price includes taxes and charges.From 1.038 €, select.

St Louis.1.054 € per passenger.Departing Mon, 1 Feb, returning Fri, 5 Feb.Return flight with United.Outbound indirect flight with United, departs from Dublin on Mon, 1 Feb, arriving in St Louis.Inbound indirect flight with United, departs from St Louis on Fri, 5 Feb, arriving in Dublin.Price includes taxes and charges.From 1.054 €, select.

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Find the cheapest time to fly to St Louis with United

Flexible on travel dates? Here's when fares are lowest.

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Alternative routes to St Louis

Compare routes to St Louis below. You may find an airport to fly into that's cheaper, faster, or easier.

Belleville

32km from central St Louis

ClosestCheapest

from 1.021 €

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Sparta Community

69km from central St Louis

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Flying to St Louis with United

The things to know before you go.

Cheapest flight found	908 €
Cheapest month to fly	June
Nearby cities to visit	St Louis
Time difference between Ireland and St Louis	6 hrs (GMT -5)

How to find cheap flights to St Louis with United

Looking for cheap flight tickets to St Louis? Here are a few tips on how to find the best price.

Simply hit 'search'

We've compared every online travel agent and flight provider to find the cheapest United flight tickets to anywhere in the world, including St Louis.

Fly from Dublin

At the moment, the best route to St Louis with United is from Dublin.

Flex your dates for the best rates

If you’re flexible on your departure dates, hit Whole month as you search. You'll see the cheapest month, and even day to fly to St Louis with United.

Set up a Price Alert

Got your eye on a specific flight to St Louis but not quite ready to book? No worries. We'll let you know when the price of the flight goes up or down so you can book when the time is just right. You're even able to watch specific United flights.

Book your United flight to St Louis Airport with extra peace of mind

Find flexible United flights to St Louis Airport

United might offer amendable tickets to St Louis Airport, which means you won't lose out if your booking has to be changed or cancelled.

Add travel cost protection

Make sure you have the right travel insurance before flying to St Louis Airport. That way you can cover the costs of any unexpected events, such as delays or lost luggage.

Reduce your carbon footprint

To check whether there are any lower emissions flights available on your route, simply check the “only show flights with lower CO₂ emissions” box when you search for a flight with us.

Flying to St Louis with United: FAQs

Does United fly into any other airports in or near St Louis?

No – if you want to travel with United, St Louis is currently the only airport serving St Louis.

What is the cheapest month to fly to St Louis with United?

Although it's difficult to get an accurate idea of when United flights to St Louis are cheapest, the lowest fares are currently for departures in November.