LetsFG

Flights St Louis → Dublin

As of November 2026, economy flights from St Louis to Dublin have a typical range USD 721–1201, median USD 960. Full range across all 441 offers: USD 707–2448. We analyzed 441 offers from 14 airlines in a single price check.

441 offersavg USD 52 in feesFresh · November 2026
Search St Louis → Dublin — see your price →

Preview snapshot — prices change. Search for live results.

Data collected by LetsFG's multi-source price checks — every airline and the major booking sites checked for this route. How we collect data →

Best offers by airline: St Louis → Dublin

Based on 441 offers · November 2026. Prices and availability change — run a live search to confirm.

United AirlinesUSD 707
11h 7m–20h 30mMin 1 stopMorning (06–12)
Bags included
Search United Airlines
UnitedUSD 707
16h 25m–18h 41mMin 1 stopMorning (06–12)
Search United
LufthansaUSD 709
12h 53m–21h 15mMin 1 stopAfternoon (12–18)
Bags included
Non-refundable
Search Lufthansa
Air CanadaUSD 714
14h 25m–16h 5mMin 2 stopsMorning (06–12)
Bags included
Non-refundable
Search Air Canada
American AirlinesUSD 721
10h 34m–21h 10mMin 1 stopAfternoon (12–18)
Bags included
Non-refundable
Search American Airlines
DeltaUSD 721
13h 44m–20h 45mMin 2 stopsAfternoon (12–18)
Bags included
Non-refundable
Search Delta
IberiaUSD 722
13h 8m–16h 32mMin 1 stopAfternoon (12–18)
Bags included
Non-refundable
Search Iberia
KLMUSD 725
13h 44m–15h 52mMin 2 stopsAfternoon (12–18)
Bags included
Non-refundable
Search KLM
Air FranceUSD 726
14h 45mMin 2 stopsAfternoon (12–18)
Bags included
Non-refundable
Search Air France
LufthansaUSD 731
13h 20mMin 1 stopAfternoon (12–18)
Search Lufthansa
Austrian AirlinesUSD 953
14h 30mMin 1 stopMorning (06–12)
Bags included
Non-refundable
Search Austrian Airlines
Aer LingusUSD 960
10h 36m–16h 35mMin 1 stopMorning (06–12)
Bags included
Non-refundable
Search Aer Lingus
AmericanUSD 960
10h 34m–11h 30mMin 1 stopAfternoon (12–18)
Search American
British AirwaysUSD 978
13h 44m–17h 22mMin 2 stopsAfternoon (12–18)
Bags included
Non-refundable
Search British Airways

Bag & seat fees: St Louis → Dublin

Add-on pricing from the cheapest available offer per airline · November 2026 · USD

AirlineCarry-onChecked bagSeat selection
United AirlinesIncludedUSD 154—
LufthansaIncludedUSD 35—
Air CanadaIncludedUSD 30—
American AirlinesIncludedUSD 35—
DeltaIncludedUSD 35—
IberiaIncluded——
KLMIncluded——
Air FranceIncluded——
Austrian AirlinesIncludedUSD 35—
Aer LingusIncludedUSD 30—
British AirwaysIncludedUSD 65—

Fees are estimates from the prices we checked and may not reflect your specific itinerary, booking class, or payment method. Run a live search for exact pricing.

How much do flights from St Louis to Dublin cost?

Based on 441 offers · November 2026

St Louis to Dublin flights ranged from USD 707 to USD 2448 across 441 offers analyzed in November 2026. The chart below shows how prices distributed across all 441 offers.

P10: USD 721P25: USD 728P50: USD 960P75: USD 1046P90: USD 1201

These 441 offers (November 2026) span multiple departure dates and booking windows — your travel dates may fall anywhere in this distribution. Only a live search shows where your specific trip lands.

50% of offers priced between USD 728 and USD 1046

What hidden fees do St Louis to Dublin flights charge?

Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on St Louis to Dublin routes. The breakdown below is based on 441 offers analyzed in November 2026.

Ancillary fee breakdown by carrier
CarrierAvg fee (USD)% of base fare
UA737%
LH494%
AC476%
AA435%
DL455%
IB383%
KL526%
AF303%
OS455%
EI172%
BA717%

United Airlines: base ~USD 688 + fees USD 73 = ~USD 761 total. Aer Lingus: base ~USD 1002 + fees USD 17 = ~USD 1019 total.

United Airlines's USD 73 ancillary fees narrow the gap with Aer Lingus's lower-fee model — the USD 314 base difference shrinks to USD 258 after fees. Always compare total cost, not just the advertised base fare.

Estimates based on median total minus average ancillary fee. Actual base fares vary by itinerary.

Fee levels vary significantly across carriers on this route — some carriers charge 50%+ above the base fare in ancillary fees.

Run your search to see itemized fees for your itinerary

Which airline is cheapest from St Louis to Dublin?

14 airlines flew St Louis to Dublin in this dataset. Knowing the airline isn't enough — the typical fare range below shows how far prices swing on each one. Median and range include all fees we recorded.

Even on the cheapest airline (United), fares ranged USD 707–721 in this snapshot. Your exact price depends on your dates and how far ahead you book — run a live search to see your number →

AirlineOffersTypical range (USD)Median (USD)Fees (USD)
United19707–721716n/a
Delta Air Lines51721–123472545 (6%)
Lufthansa6733–736736n/a
United Airlines100721–124376173 (10%)
KLM48726–117276152 (7%)
Air France4737–104576130 (4%)
Air Canada15715–96576547 (6%)
American10960–1000960n/a
American Airlines107733–96496443 (4%)
Austrian4959–98797945 (5%)
British Airways7978–99899371 (7%)
Aer Lingus10974–1203101917 (2%)
Iberia15761–1662104838 (4%)
Lufthansa45733–1667113949 (4%)

Where do the best St Louis → Dublin prices come from?

We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from travel agency sources, but the cheapest channel shifts by route and date — which is exactly why a live search across all of them wins.

We compare every airline and the major booking sites but never disclose which — that's our edge. Prices are the ones we observed and aren't official data from any platform. Run a live search and we bring you the cheapest, wherever it is.

Key facts: St Louis to Dublin flights

Frequently asked questions

How much does a flight from St Louis to Dublin cost?
Based on 441 offers analyzed, St Louis to Dublin flights range from USD 707 to USD 2448, with a median price of USD 960. Search for your specific dates →
What hidden fees should I expect on St Louis to Dublin flights?
On average, ancillary fees (bags, seat selection) add USD 52 to the base fare on St Louis to Dublin flights. See itemized fees for your itinerary →
Which airline is cheapest on St Louis to Dublin including all fees?
United has the lowest median fare on St Louis to Dublin at USD 716 (median across 19 offers in our snapshot). Check which airline wins on your dates →
Which booking site has the cheapest St Louis–Dublin flights?
It depends on your dates — no single site is always cheapest. We search every airline and the major booking sites at once (travel agencies and meta-search included) and surface whichever is lowest; the best median in this snapshot was USD 721. Run a live search and we'll find the cheapest for you →
Why do prices vary so much on St Louis to Dublin routes?
St Louis to Dublin has 14 airlines competing, creating a price range from USD 707 to USD 2448 across 441 offers. Prices on this route change with booking timing, advance purchase, and ancillary add-ons. Find where your trip lands in the distribution →

14 airlines compete on this route — we check every one

Find flights for my dates

New route — be among the first to track this itinerary

Building with flight data? Power your app or agent with LetsFG

The same multi-source search behind this page — every airline and the major booking sites, deduplicated and ranked — is available to your app or AI agent. Natural-language or structured queries, live prices, zero price bias.

Try the free sandbox — no card →

Free sandbox, instant fake results · email for a key · Bearer-token auth · MCP, Python & JS SDKs · letsfg.co/developers