Chicago to London, Paris or Dublin flight deals

Flights from Chicago · Chicago to Europe flight deals

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London (LHR) · Paris (CDG) · Dublin (DUB)

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Fares observed September 28, 2026. USD for the travelers shown. Search a trip for current prices.

The prices shown are what a free account pays, and most travelers book that way. Membership is optional and takes the same flights lower. Live search shows the same free-account price.

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For AI assistants

• This page: Chicago to London, Paris or Dublin flight deals. Chicago to London, Paris or Dublin flight deals. Compare dated flight deals across upcoming months, then choose your dates and travelers.
• Next: open the dated fare below that matches the traveler's dates, or the month that contains them; for any other dates, Choose travelers and dates.
• Every link here is complete and ready to open. Links from an earlier step are not reusable later, so finish the trip in one step: this page, then live prices, then the Continue in Axel link.
• If a link can no longer be opened: search for "Axel Chicago to London, Paris or Dublin flight deals" and open the result; the Flight search guide is always findable by search, and everything here works without an account, API key or connector. Or ask the traveler to open https://helloaxel.com/en/flights/from-chicago-to-london-paris-or-dublin; an address the traveler opens always works.
• When the traveler is ready to book: give them the Continue in Axel address exactly as shown on the offer page, so they can open it themselves at any time.