Flights Chicago → Dublin
As of November 2026, economy flights from Chicago to Dublin have a typical range USD 672–2042, median USD 908. Full range across all 185 offers: USD 668–21063. We analyzed 185 offers from 20 airlines in a single price check.
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: Chicago → Dublin
Based on 185 offers · November 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Chicago → Dublin
Add-on pricing from the cheapest available offer per airline · November 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Aer Lingus | Included | USD 30 | — |
| United | Included | USD 35 | — |
| American Airlines | — | USD 35 | — |
| Air France | — | USD 35 | — |
| KLM | — | USD 35 | — |
| Delta | Included | USD 75 | — |
| British Airways | Included | Included | — |
| Delta | — | USD 120 | — |
| Iberia | Included | USD 30 | — |
| Finnair | — | USD 30 | — |
| Lufthansa | Included | USD 35 | — |
| Brussels Airlines | — | — | — |
| Air Canada | Included | USD 30 | — |
| Icelandair | Included | USD 30 | — |
| SWISS | Included | USD 40 | — |
| Frontier | — | — | — |
| Turkish Airlines | Included | Included | — |
| Southwest | — | Included | — |
| Scandinavian Airlines | Included | USD 30 | — |
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 Chicago to Dublin cost?
Based on 185 offers · November 2026
Chicago to Dublin flights ranged from USD 668 to USD 21063 across 185 offers analyzed in November 2026. The chart below shows how prices distributed across all 185 offers.
These 185 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 699 and USD 1160
What hidden fees do Chicago to Dublin flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Chicago to Dublin routes. The breakdown below is based on 185 offers analyzed in November 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| EI | 42 | 3% |
| UA | 46 | 3% |
| AA | 45 | 6% |
| AF | 47 | 4% |
| KL | 47 | 6% |
| DL | 45 | 3% |
| BA | 51 | 4% |
| Delta | 120 | 15% |
| IB | 38 | 4% |
| AY | 34 | 3% |
| LH | 45 | 3% |
| SN | 10 | 1% |
| AC | 35 | 2% |
| FI | 40 | 5% |
| LX | 52 | 5% |
| F9 | 10 | 1% |
| TK | 10 | 1% |
| WN | 0 | 0% |
| SK | 40 | 1% |
Delta: base ~USD 794 + fees USD 120 = ~USD 914 total. Frontier Airlines: base ~USD 966 + fees USD 10 = ~USD 976 total.
Delta's USD 120 ancillary fees narrow the gap with Frontier Airlines's lower-fee model — the USD 172 base difference shrinks to USD 62 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.Delta charges 12.0x more in ancillary fees than TK on this route. Compare total-cost options when booking.
Run your search to see itemized fees for your itineraryWhich airline is cheapest from Chicago to Dublin?
20 airlines flew Chicago 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.
| Airline | Offers | Typical range (USD) | Median (USD) | Fees (USD) |
|---|---|---|---|---|
 American | 11 | — | 672 | n/a |
 American Airlines | 6 | 672–788 | 726 | 45 (6%) |
 Brussels Airlines | 1 | — | 788 | 10 (1%) |
 British Airways | 9 | 677–3079 | 793 | 51 (6%) |
 KLM | 10 | 672–894 | 838 | 47 (6%) |
 United Airlines | 20 | 746–4404 | 870 | 46 (5%) |
 Icelandair | 1 | — | 885 | 40 (5%) |
 Air France | 13 | 672–1248 | 892 | 47 (5%) |
 Delta Air Lines | 38 | 672–1075 | 908 | 45 (5%) |
 Delta | 12 | 677–1075 | 914 | 120 (13%) |
 Iberia | 15 | 699–1262 | 919 | 38 (4%) |
 Finnair | 5 | 694–1281 | 942 | 34 (4%) |
 Lufthansa | 6 | 858–2248 | 953 | 45 (5%) |
 Frontier Airlines | 1 | — | 976 | 10 (1%) |
 Turkish Airlines | 2 | 1005–1143 | 1074 | 10 (1%) |
 Swiss | 5 | 921–1270 | 1182 | 52 (4%) |
 Aer Lingus | 17 | 808–2462 | 1195 | 42 (4%) |
 Southwest Airlines | 2 | 1791–2192 | 1992 | 0 (0%) |
 Air Canada | 8 | 872–2852 | 2061 | 35 (2%) |
 SAS | 3 | 2967–2973 | 2971 | 40 (1%) |
Where do the best Chicago → 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: Chicago to Dublin flights
- Full-service carriers on Chicago–Dublin cost 0.7x more than budget airlines (USD 1088 vs USD 1484 median; overall median USD 908).
- Delta charges 12.0x more in ancillary fees than TK — USD 120 vs USD 10 avg per booking.
- The same route priced USD 265 apart depending on where it was booked — the lowest median was USD 677. We search every airline and the major booking sites at once so you always see that lowest price.
Frequently asked questions
- How much does a flight from Chicago to Dublin cost?
- Based on 185 offers analyzed, Chicago to Dublin flights range from USD 668 to USD 21063, with a median price of USD 908. Search for your specific dates →
- What hidden fees should I expect on Chicago to Dublin flights?
- On average, ancillary fees (bags, seat selection) add USD 44 to the base fare on Chicago to Dublin flights. See itemized fees for your itinerary →
- Which airline is cheapest on Chicago to Dublin including all fees?
- American has the lowest median fare on Chicago to Dublin at USD 672 (median across 11 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Chicago–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 677. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Chicago to Dublin routes?
- Chicago to Dublin has 20 airlines competing, creating a price range from USD 668 to USD 21063 across 185 offers. Prices on this route change with booking timing, advance purchase, and ancillary add-ons. Find where your trip lands in the distribution →
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