
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 40% on select hotels after you book a flight*
United flights from Chicago to London (CHI→LON)
Prices were available within the past 7 days and start at ฿12,995 for one-way flights and ฿20,200 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, 7 Dec - Tue, 23 Dec
ORD
Chicago
LHR
London
฿20,200 Return, found 2 days ago
฿20,200
Return
found 2 days ago

Wed, 5 Nov - Tue, 18 Nov
ORD
Chicago
LHR
London
฿20,210 Return, found 2 days ago
฿20,210
Return
found 2 days ago

Tue, 11 Nov - Tue, 18 Nov
ORD
Chicago
LHR
London
฿20,265 Return, found 3 days ago
฿20,265
Return
found 3 days ago

Sun, 2 Nov - Tue, 25 Nov
ORD
Chicago
LHR
London
฿20,485 Return, found 5 days ago
฿20,485
Return
found 5 days ago

Tue, 11 Nov - Tue, 18 Nov
ORD
Chicago
LHR
London
฿20,605 Return, found 3 days ago
฿20,605
Return
found 3 days ago

Tue, 11 Nov - Tue, 18 Nov
ORD
Chicago
LHR
London
฿20,730 Return, found 3 days ago
฿20,730
Return
found 3 days ago
| Origin airport | O'Hare Intl. | 
|---|---|
| Destination airport | Heathrow | 
| Airlines serving | Air Canada, American Airlines, Austrian Airlines, British Airways, Delta, Iberia, KLM, Lufthansa, Swiss International Air Lines, Turkish Airlines, United | 
| Popular airline | Lufthansa | 
| Distance | 6307 km | 
- Toronto to Bangkok (YYZ - BKK)
- Bangkok to Vancouver (BKK - YVR)
- Bangkok to Honolulu (BKK - HNL)
- Bangkok to New York (BKK - JFK)
- Bangkok to Toronto (BKK - YYZ)
- Bangkok to Honolulu (BKK - HNL)
- Bangkok to Newark Liberty Intl. Airport (BKK - EWR)
- Bangkok to Toronto (BKK - YYZ)
- Bangkok to Calgary (BKK - YYC)
- Bangkok to Mexico City (BKK - MEX)
Popular Domestic Routes in LON-All Airports
- Bangkok to Seattle (BKK - SEA)
- Toronto to Bangkok (YYZ - BKK)
- Bangkok to Toronto (BKK - YYZ)
- Bangkok to Los Angeles (BKK - LAX)
- Los Angeles to Bangkok (LAX - BKK)
- Hong Kong to Bangkok (HKG - BKK)
- Bangkok to Chicago (BKK - ORD)
- Bangkok to Honolulu (BKK - HNL)
- Bangkok to Atlanta (BKK - ATL)
- Atlanta to Seoul (ATL - ICN)
Expedia's Latest Trends
Flights
- Flights from Bangkok (BKK) to Florence (CVG)
- Flights from Suvarnabhumi Intl. to LON-All Airports
- Flights from Suvarnabhumi Intl. to NYC-All Airports
- Flights from Bangkok (BKK) to San Diego (SAN)
- Flights from Chiang Mai (CNX) to Manchester (MAN)
- Flights from Bangkok (BKK) to Crumlin (BFS)
- Flights from Bangkok (BKK) to Cardiff (CWL)
- Flights from Boston (BOS) to New York (JFK)
- Flights from Koh Samui (USM) to Manchester (MAN)
- Flights from Boston (BOS) to Los Angeles (LAX)
- Flights from Bangkok (BKK) to Boston (BOS)
- Flights from Los Angeles Intl. to NYC-All Airports
- Flights from Bangkok (BKK) to Paisley (GLA)
- Flights from Bangkok (BKK) to Dallas (DFW)
- Flights from NYC-All Airports to Los Angeles Intl.
- Flights from Dallas (DFW) to Bangkok (BKK)
- Flights from Manchester (MAN) to Bangkok (BKK)
- Flights from Sa Khu (HKT) to Seattle (SEA)
- Flights from Bangkok (BKK) to Seattle (SEA)
- Flights from Bangkok (BKK) to St. Louis (STL)
- Flights from Greenland (JAV) to St. Louis (STL)
- Flights from Bangkok (BKK) to Philadelphia (PHL)
- Emirates Bangkok (BKK) to Manchester (MAN) flights
- Flights from Boston (BOS) to Bangkok (BKK)
- Flights from Manchester (MAN) to Sa Khu (HKT)
- Flights from Bangkok (BKK) to Manchester (MAN)
- Flights from Sa Khu (HKT) to Manchester (MAN)
- Flights from Seattle (SEA) to Bangkok (BKK)
- Flights from Florence (CVG) to Bangkok (BKK)
- Flights from Dallas (DFW) to Los Angeles (LAX)
*Available to Expedia members.