Flights from Chicago to London
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From $547 · Prices update daily
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The quick answer
A saved fare observation for Chicago to London was $282. Carrier in the saved observation: Frontier Airlines. Cheapest month: April; peak: March (about +46%). Visa-free for US passport holders (Canada).
Saved route evidence
Fare snapshot
$282
Observed Jul 26, 2026. Prices can change.
Carriers in the saved observation
- Frontier Airlines
Price calendar — next 60 days
★ Cheapest: $547 on Fri, Nov 6 · UA
Recently observed fares · Final price confirmed at booking
Price calendar — Chicago to London
Month-by-month lowest fares. Green = cheapest dates.
Airlines flying Chicago to London
American Airlines≈$620-$1,480 economy; Flagship Business $4,200-$6,600 RT
Direct · 7h 50m-8h 20m eastbound / 8h 50m-9h 20m westbound
United Airlines≈$640-$1,520 economy; Polaris business $4,400-$6,800 RT
Direct · 7h 50m-8h 20m eastbound / 8h 50m-9h 20m westbound
British Airways≈$640-$1,540 economy LHR; LGW $80-$150 below same-week; Club Suite $4,500-$7,000 RT
Direct · 7h 55m-8h 25m eastbound / 8h 55m-9h 25m westbound
Virgin Atlantic≈$660-$1,580 economy; Upper Class $4,800-$7,200 RT
Direct · 8h 00m-8h 30m eastbound / 9h 00m-9h 30m westbound
Flying to London? Compare from other US cities
Sometimes a nearby airport is cheaper. See London fares from other departure cities.
Canada essentials
🟡 eTA / ESTA required
UK ETA required for US passports (£20, ~$26, 2-year multi-entry, allow up to 3 working days)
Full London visa guide →🆘 Emergency
911
💱 Currency
Canadian Dollar (C$)
🕐 Time zone
UTC−3.5 to −8
🗣️ Language
English, French
🔌 Plugs
Type A/B · 120V
🚗 Driving
Right side
💡 Tipping
Expected — 15–20%
📞 Dial code
+1
🏛️ US Embassy
Ottawa · +1 613-688-5335
Entry rules can change — always confirm with official sources before booking.
Stay connected in London
Skip roaming fees — get a local eSIM before you land. Works in 200+ countries and activates instantly, so you’re online the moment you touch down.
Travel insurance
Protect your Chicago to London trip against delays, cancellations, and medical emergencies. US travelers can compare plans from top insurers.
Airport transfer in London
Pre-book your ride into London. Fixed price, meet & greet, and a driver waiting at arrivals — no meter anxiety after a long flight.
Flight delayed or cancelled?
If your Chicago to London flight was delayed more than 3 hours or cancelled, you may be entitled to up to €600 in compensation under EU/UK rules — even if you flew a non-EU airline. Free to check, no win no fee.
More resources
Chicago to London — frequently asked
How much is a flight from Chicago to London?+
Fares start around $547 round-trip, ranging up to about $810 in peak periods. Prices update daily across 800+ airlines.
What is the cheapest month to fly Chicago to London?+
April typically has the lowest fares, while March is the most expensive (around +46%).
Are there direct flights from Chicago to London?+
No nonstop itinerary appeared in the saved route observation. Check current search results for your dates.
Which airlines fly from Chicago to London?+
Carriers on this route include Frontier Airlines. Compare them side by side in the search above.
Do US citizens need a visa for Canada?+
Visa-free for US passport holders for stays up to 6 months. Visa-free for US citizens; passport required.
What currency is used in Canada?+
The Canadian Dollar (CAD, C$). The emergency number is 911.
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