Flights Chicago → London
As of November 2026, economy flights from Chicago to London have a typical range USD 8553–14876, median USD 9188. Full range across all 259 offers: USD 1622–26608. We found 35% of 259 offers from budget carriers (around USD 8597) and 65% from full-service carriers (around USD 9188).
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 → London
Based on 259 offers · November 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Chicago → London
Add-on pricing from the cheapest available offer per airline · November 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Icelandair | Included | Included | — |
| Air Europa | Included | Included | — |
| Delta | Included | Included | — |
| Turkish Airlines | Included | Included | — |
| LOT | Included | USD 25 | — |
| Aer Lingus | Included | Included | — |
| Scandinavian Airlines | Included | USD 30 | — |
| Lufthansa | Included | Included | — |
| Austrian Airlines | Included | USD 35 | — |
| Brussels Airlines | Included | USD 35 | — |
| United | Included | USD 35 | — |
| Air Canada | Included | USD 30 | — |
| SWISS | — | — | — |
| British Airways | Included | USD 65 | — |
| American Airlines | Included | USD 35 | — |
| Iberia | — | USD 30 | — |
| KLM | Included | USD 35 | — |
| Air France | Included | USD 35 | — |
| Virgin Atlantic | Included | Included | — |
| Finnair | Included | Included | — |
| Alaska Airlines | Included | Included | — |
| Cathay Pacific | Included | Included | — |
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 London cost?
Based on 259 offers · November 2026
Chicago to London flights ranged from USD 1622 to USD 26608 across 259 offers analyzed in November 2026. Two fare clusters detected: budget fares around 2871 and premium fares around 10367 The chart below shows how prices distributed across all 259 offers.
These 259 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 8579 and USD 10208
What hidden fees do Chicago to London flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Chicago to London routes. The breakdown below is based on 259 offers analyzed in November 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| FI | 10 | 1% |
| UX | 8 | 0% |
| DL | 44 | 0% |
| TK | 10 | 0% |
| LO | 33 | 1% |
| EI | 12 | 0% |
| SK | 40 | 0% |
| LH | 10 | 0% |
| OS | 45 | 1% |
| SN | 45 | 1% |
| UA | 39 | 0% |
| AC | 42 | 0% |
| LX | 36 | 0% |
| BA | 49 | 1% |
| AA | 43 | 0% |
| IB | 33 | 0% |
| KL | 47 | 0% |
| AF | 47 | 0% |
| VS | 20 | 0% |
| AY | 17 | 0% |
| AS | 10 | 0% |
| CX | 50 | 0% |
British Airways: base ~USD 9331 + fees USD 49 = ~USD 9380 total. Alaska Airlines: base ~USD 9894 + fees USD 10 = ~USD 9904 total.
British Airways's USD 49 ancillary fees narrow the gap with Alaska Airlines's lower-fee model — the USD 563 base difference shrinks to USD 524 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 itineraryWhich airline is cheapest from Chicago to London?
30 airlines flew Chicago to London 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.
Even on the cheapest airline (Icelandair), fares ranged USD 1670–2055 in this snapshot. Your exact price depends on your dates and how far ahead you book — run a live search to see your number →
| Airline | Offers | Typical range (USD) | Median (USD) | Fees (USD) |
|---|---|---|---|---|
 Icelandair | 2 | 1670–2055 | 1863 | 10 (1%) |
 Air Europa | 1 | — | 2706 | 8 (0%) |
 Turkish Airlines | 9 | 2901–2980 | 2903 | 10 (0%) |
 Turkish Airlines | 2 | — | 4038 | n/a |
 LOT Polish Airlines | 1 | — | 4489 | 33 (1%) |
 AM | 2 | — | 7747 | n/a |
 SAS | 6 | 8493–8496 | 8495 | 40 (0%) |
 Austrian | 4 | 8559–8562 | 8559 | 45 (1%) |
 Brussels Airlines | 7 | 8559–8605 | 8563 | 45 (1%) |
 United Airlines | 19 | 8559–9184 | 8563 | 39 (0%) |
 Air Canada | 12 | 8562–14142 | 8567 | 42 (0%) |
 Lufthansa | 9 | 8553–8615 | 8582 | 10 (0%) |
 SWISS | 3 | — | 8584 | n/a |
 United | 4 | 8584–8597 | 8584 | n/a |
 Swiss | 10 | 8576–9291 | 8597 | 36 (0%) |
 American Airlines | 23 | 9184–9903 | 9188 | 43 (0%) |
 Aer Lingus | 4 | 9187–9196 | 9192 | n/a |
 Delta | 12 | 9226–14311 | 9226 | n/a |
 British Airways | 23 | 9184–10701 | 9380 | 49 (1%) |
 Aer Lingus | 8 | 8114–10704 | 9555 | 12 (0%) |
 Iberia | 10 | 9184–10713 | 9899 | 33 (0%) |
 Delta Air Lines | 32 | 9188–15847 | 9903 | 44 (0%) |
 Air France | 7 | 9188–15847 | 9903 | 47 (0%) |
 Virgin Atlantic | 18 | 9188–14876 | 9903 | 20 (0%) |
 Alaska Airlines | 1 | — | 9904 | 10 (0%) |
 Finnair | 9 | 9211–11045 | 10251 | 17 (0%) |
 Iberia | 2 | 10716–10722 | 10719 | n/a |
 American | 8 | 10271–12076 | 11135 | n/a |
 KLM | 9 | 9188–14876 | 14876 | 47 (0%) |
 Cathay Pacific | 2 | 26564–26603 | 26584 | 50 (0%) |
Where do the best Chicago → London 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 London flights
- Chicago–London had 259 offers analyzed. Median price: USD 9188.
- CX charges 6.3x more in ancillary fees than UX — USD 50 vs USD 8 avg per booking.
- The same route priced USD 738 apart depending on where it was booked — the lowest median was USD 9184. 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 London cost?
- Based on 259 offers analyzed, Chicago to London flights range from USD 1622 to USD 26608, with a median price of USD 9188. Search for your specific dates →
- What hidden fees should I expect on Chicago to London flights?
- On average, ancillary fees (bags, seat selection) add USD 36 to the base fare on Chicago to London flights. See itemized fees for your itinerary →
- Which airline is cheapest on Chicago to London including all fees?
- Icelandair has the lowest median fare on Chicago to London at USD 1863 (median across 2 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Chicago–London 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 9184. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Chicago to London routes?
- Chicago to London has 30 airlines competing, creating a price range from USD 1622 to USD 26608 across 259 offers. There are two distinct fare clusters on this route: budget options and premium fares. Find where your trip lands in the distribution →
30 airlines, two price clusters — find which fits your budget
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