Flights Chicago → Lisbon
As of October 2026, economy flights from Chicago to Lisbon have a typical range USD 591–2810, median USD 893. Full range across all 281 offers: USD 457–3383. We found 54% of 281 offers from budget carriers (around USD 875) and 46% from full-service carriers (around USD 938).
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 → Lisbon
Based on 281 offers · October 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Chicago → Lisbon
Add-on pricing from the cheapest available offer per airline · October 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Air Canada | Included | USD 30 | — |
| Virgin Atlantic | Included | Included | — |
| KLM | Included | USD 35 | — |
| TAP Air Portugal | Included | USD 30 | — |
| British Airways | Included | USD 65 | — |
| American Airlines | Included | USD 35 | — |
| Lufthansa | Included | USD 35 | — |
| United Airlines | Included | USD 35 | — |
| Delta | Included | USD 35 | — |
| Iberia | Included | USD 30 | — |
| SWISS | Included | USD 40 | — |
| Finnair | Included | USD 30 | — |
| Air France | Included | USD 35 | — |
| Brussels Airlines | Included | USD 35 | — |
| jetBlue | Included | USD 35 | — |
| Aer Lingus | — | USD 30 | — |
| Turkish Airlines | Included | Included | — |
| Icelandair | Included | USD 30 | — |
| LOT | Included | USD 25 | — |
| Austrian Airlines | Included | USD 35 | — |
| Condor | Included | USD 35 | — |
| 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 Lisbon cost?
Based on 281 offers · October 2026
Chicago to Lisbon flights ranged from USD 457 to USD 3383 across 281 offers analyzed in October 2026. Two fare clusters detected: budget fares around 603 and premium fares around 2944 The chart below shows how prices distributed across all 281 offers.
These 281 offers (October 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 682 and USD 1321
What hidden fees do Chicago to Lisbon flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Chicago to Lisbon routes. The breakdown below is based on 281 offers analyzed in October 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| AC | 42 | 3% |
| VS | 20 | 2% |
| KL | 47 | 6% |
| TP | 31 | 4% |
| BA | 58 | 4% |
| AA | 45 | 5% |
| LH | 45 | 6% |
| UA | 45 | 6% |
| DL | 44 | 4% |
| IB | 39 | 4% |
| LX | 52 | 6% |
| AY | 40 | 4% |
| AF | 47 | 6% |
| SN | 45 | 5% |
| B6 | 28 | 1% |
| EI | 38 | 5% |
| TK | 10 | 1% |
| FI | 40 | 4% |
| LO | 33 | 3% |
| OS | 45 | 2% |
| DE | 45 | 3% |
| SK | 40 | 2% |
British Airways: base ~USD 944 + fees USD 58 = ~USD 1002 total. Virgin Atlantic: base ~USD 1015 + fees USD 20 = ~USD 1035 total.
British Airways's USD 58 ancillary fees narrow the gap with Virgin Atlantic's lower-fee model — the USD 71 base difference shrinks to USD 33 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.BA charges 5.8x 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 Lisbon?
28 airlines flew Chicago to Lisbon in this dataset. The route shows a clear split between low-cost and full-service carriers. 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) |
|---|---|---|---|---|
 Aer Lingus | 1 | — | 457 | n/a |
 British Airways | 1 | — | 582 | n/a |
 American | 2 | 583–587 | 585 | n/a |
 Air Canada | 4 | 588–591 | 591 | n/a |
 Iberia | 1 | — | 591 | n/a |
 American Airlines | 15 | 602–1319 | 697 | 45 (6%) |
 Lufthansa | 9 | 596–875 | 721 | 45 (6%) |
 United Airlines | 28 | 591–885 | 737 | 45 (6%) |
 Air France | 3 | 680–856 | 768 | 47 (6%) |
 TAP Air Portugal | 7 | 639–1031 | 771 | 31 (4%) |
 KLM | 9 | 576–1009 | 796 | 47 (6%) |
 Delta Air Lines | 27 | 593–2840 | 811 | 44 (5%) |
 Aer Lingus | 1 | — | 816 | 38 (5%) |
 Turkish Airlines | 2 | — | 823 | 10 (1%) |
 Air Canada | 34 | 574–3237 | 835 | 42 (5%) |
 Swiss | 8 | 605–1223 | 875 | 52 (6%) |
 Brussels Airlines | 6 | 832–978 | 938 | 45 (5%) |
 Icelandair | 3 | 936–1099 | 955 | 40 (4%) |
 British Airways | 35 | 590–2810 | 1002 | 58 (6%) |
 Iberia | 21 | 697–1323 | 1002 | 39 (4%) |
 Finnair | 17 | 984–1325 | 1010 | 40 (4%) |
 Virgin Atlantic | 15 | 768–2821 | 1035 | 20 (2%) |
 LOT Polish Airlines | 2 | 1111–1207 | 1159 | 33 (3%) |
 Condor | 1 | — | 1640 | 45 (3%) |
 B6 | 2 | 1022–2970 | 1996 | 28 (1%) |
 SAS | 11 | 2616–2632 | 2632 | 40 (2%) |
 Delta | 12 | 894–2829 | 2821 | n/a |
 Austrian | 4 | 1804–3383 | 3383 | 45 (1%) |
Where do the best Chicago → Lisbon prices come from?
We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from meta-search 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 Lisbon flights
- Full-service carriers on Chicago–Lisbon cost 0.5x more than budget airlines (USD 1075 vs USD 1996 median; overall median USD 893).
- BA charges 5.8x more in ancillary fees than TK — USD 58 vs USD 10 avg per booking.
- The same route priced USD 2224 apart depending on where it was booked — the lowest median was USD 586. 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 Lisbon cost?
- Based on 281 offers analyzed, Chicago to Lisbon flights range from USD 457 to USD 3383, with a median price of USD 893. Search for your specific dates →
- What hidden fees should I expect on Chicago to Lisbon flights?
- On average, ancillary fees (bags, seat selection) add USD 43 to the base fare on Chicago to Lisbon flights. See itemized fees for your itinerary →
- Which airline is cheapest on Chicago to Lisbon including all fees?
- Aer Lingus has the lowest median fare on Chicago to Lisbon at USD 457 (median across 1 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Chicago–Lisbon 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 586. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Chicago to Lisbon routes?
- Chicago to Lisbon has 28 airlines competing, creating a price range from USD 457 to USD 3383 across 281 offers. There are two distinct fare clusters on this route: budget options and premium fares. Find where your trip lands in the distribution →
28 airlines, two price clusters — find which fits your budget
Find flights for my datesNew 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