Cheap Flights from Chicago to London
Browse current best options from Chicago. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
Chicago
RatePunk searches hundreds of travel sites at once for deals on flights to London
Prices updated 24 days ago
486,190 searches this week
171 airlines compared
80%+ AI score for best value
Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)
Today’s best flight deals from Chicago to London
Explore current cheapest deals departing from Chicago to London
Round trip
Sort by: Cheapest
October 14 - October 20
RFD - London
$810
$572
Round trip
October 21 - October 27
RFD - London
$809
$608
Round trip
October 14 - October 21
RFD - London
$809
$612
Round trip
August 3 - August 27
RFD - London
$780
$613
Round trip
October 14 - October 28
RFD - London
$796
$616
Round trip
October 17 - October 19
ORD - London
$773
$625
Round trip
November 7 - November 9
ORD - London
$681
$626
Round trip
October 14 - October 30
RFD - London
$790
$627
Round trip
September 15 - September 23
ORD - London
$683
$628
Round trip
September 7 - September 17
ORD - London
$672
$629
Round trip
Unlock all 500+ flight deals to London and get alerts when great deals appear
Route Intelligence — 486,190 Searches this Week
Insights for flights from Chicago to London
How much is a round trip from Chicago to London
Regular price: $680 - $850
Prices are currently below the regular range.
The regular price range for flights from Chicago to London is $680-$850. The current lowest deal is $572 with Allegiant Air, for travel from Oct 14-Oct 20.
now $572
Low $680
High $850
The cheapest time to fly from Chicago to London
The cheapest month to fly from Chicago to London is February, with a median price of $413. The most expensive month is June, with a median price of $1445. Prices are generally lower from January to December.
February
Flights from $413
June
Flights from $1,445
Direct flights from Chicago to London
British Airways
Last-minute flights going from Chicago to London
Thu, Jul 2
MDW - London
Chicago (MDW) - London (STN)
Porter Airlines
$1,070
$872
One-way
Thu, Jul 2
MDW - London
Chicago (MDW) - London (STN)
Porter Airlines
$1,073
$893
One-way
Sat, Jul 4
MDW - London
Chicago (MDW) - London (STN)
Porter Airlines
$1,083
$847
One-way
Tue, Jul 7
MDW - London
Chicago (MDW) - London (STN)
Porter Airlines
$1,082
$776
One-way
Tue, Jul 7
MDW - London
Chicago (MDW) - London (STN)
Porter Airlines
$1,134
$902
One-way
Wed, Jul 8
RFD - London
Chicago (RFD) - London (LGW)
Allegiant Air
$933
$714
One-way
Biggest price drops on these dates for flights from Chicago to London
Aug 12 - Aug 17
$1,024 → $698
32%
Aug 26 - Aug 29
$960 → $648
32%
Jul 7 - Jul 13
$1,082 → $776
28%
Jul 18 - Jul 23
$1,052 → $752
28%
Popular Airports to fly from Chicago to London
Chicago - London route insights
💸 Price insights
Recent fares are above the typical level
Recent fares for Chicago to London are above the typical level, with a median price of $1116.
📅 Best time to fly
February is historically the cheapest month
Historically, February is the cheapest month to fly from Chicago to London, with a median price of $413.
⏱️ Flight duration
Median flight time is 21h 40m
The median flight time from Chicago to London is 21 hours and 40 minutes, including layovers.
✈️ Airlines & availability
Connecting flights are dominant
Connecting flights make up 68.1% of deals, with a median of 2 stopovers.
🏆 Airline highlight
British Airways offers direct flights
British Airways is one of the airlines that offers direct flights on the Chicago to London route.
🎯 Booking tip
Deals are frequent for this route
Deals for flights from Chicago to London are frequent, with over 1 deal per day historically.
Chicago main airports to depart from
O Hare International (ORD)
Depart from O'Hare International for flights to London, offering a range of options.
📍 ~25 km from Chicago city center (reachable by car or train).
💸 Flights from ~$603
Chicago Midway International (MDW)
Consider Chicago Midway International for your journey to London.
📍 ~15 km from Chicago city center (reachable by car or train).
💸 Flights from ~$662
Chicago Rockford International (RFD)
Chicago Rockford International offers another departure point for flights heading to London.
📍 ~120 km from Chicago city center (reachable by car).
💸 Flights from ~$613
London main airports to arrive at
Gatwick (LGW)
Gatwick Airport is a good option for flights to London, offering competitive prices from Chicago.
📍 ~45 km from city center (reachable by public transport or car)
💸 Flights from ~$613
Heathrow (LHR)
Heathrow Airport is a major hub for flights to London, providing extensive connections from Chicago.
📍 ~25 km from city center (reachable by public transport or car)
💸 Flights from ~$625
London City (LCY)
London City Airport offers a convenient arrival point for those heading to central London from Chicago.
📍 ~10 km from city center (reachable by public transport or car)
💸 Flights from ~$864
London Southend (SEN)
London Southend Airport is an alternative for flights to the London area from Chicago.
📍 ~60 km from city center (reachable by public transport or car)
💸 Flights from ~$771
London Stansted (STN)
London Stansted Airport is another choice for flights to London, with connections from Chicago.
📍 ~50 km from city center (reachable by public transport or car)
💸 Flights from ~$629
Luton (LTN)
Luton Airport serves the London area and is an option for flights arriving from Chicago.
📍 ~45 km from city center (reachable by public transport or car)
💸 Flights from ~$645
Airports nearby London used as alternative
Birmingham (BHX)
Consider Birmingham for its wide variety of long-haul and short-haul destinations and excellent rail connectivity.
📍 ~160 km from London (reachable by rail)
💸 Flights from ~$611
Southampton (SOU)
Southampton is a close alternative with a direct rail link and faster security processes.
📍 ~110 km from London (reachable by rail)
💸 Flights from ~$836
Bristol (BRS)
Bristol offers a large selection of low-cost carrier routes across Europe.
📍 ~170 km from London (reachable by coach or rail)
💸 Flights from ~$774
East Midlands (EMA)
East Midlands is an option with a strong presence of budget airlines and good motorway access.
📍 ~170 km from London (reachable by car)
💸 Flights from ~$787
Bournemouth (BOH)
Bournemouth is an alternative for travelers in South West London, offering a less crowded environment.
📍 ~150 km from London (reachable by rail)
💸 Flights from ~$894
Business & First Class Flight Deals to London
Discover luxury on the budget with premium cabin class on flights from Chicago to London.
Elite
Best Elite deals to London
Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.
From ORD
Elite
Aug 11
London, United Kingdom
94% AI deal score
$5,557
$2,543
Save $3,014
From ORD
Elite
Aug 26
London, United Kingdom
94% AI deal score
$5,818
$2,768
Save $3,050
From ORD
Elite
Aug 25
London, United Kingdom
94% AI deal score
$5,674
$2,769
Save $2,905
From ORD
Elite
Aug 31
London, United Kingdom
94% AI deal score
$5,874
$2,826
Save $3,048
From ORD
Elite
Aug 23
London, United Kingdom
94% AI deal score
$6,035
$2,874
Save $3,161
From ORD
Elite
Aug 25
London, United Kingdom
94% AI deal score
$5,845
$2,914
Save $2,931
From ORD
Elite
Aug 03
London, United Kingdom
93% AI deal score
$5,462
$2,872
Save $2,590
From ORD
Elite
Aug 11
London, United Kingdom
93% AI deal score
$5,547
$2,872
Save $2,675
From ORD
Elite
Aug 03
London, United Kingdom
93% AI deal score
$5,523
$2,873
Save $2,650
From ORD
Elite
Aug 23
London, United Kingdom
93% AI deal score
$5,813
$2,873
Save $2,940
From ORD
Elite
Aug 25
London, United Kingdom
93% AI deal score
$5,674
$2,873
Save $2,801
From ORD
Elite
Aug 03
London, United Kingdom
93% AI deal score
$5,523
$2,913
Save $2,610
From ORD
Elite
Aug 11
London, United Kingdom
93% AI deal score
$5,670
$2,913
Save $2,757
From ORD
Elite
Aug 23
London, United Kingdom
93% AI deal score
$5,846
$2,914
Save $2,932
From ORD
Elite
Aug 11
London, United Kingdom
93% AI deal score
$5,748
$2,916
Save $2,832
From ORD
Elite
Aug 03
London, United Kingdom
93% AI deal score
$5,523
$2,916
Save $2,607
From ORD
Elite
Aug 23
London, United Kingdom
93% AI deal score
$5,697
$3,044
Save $2,653
From ORD
Elite
Aug 11
London, United Kingdom
93% AI deal score
$5,805
$3,087
Save $2,718
From ORD
Elite
Aug 11
London, United Kingdom
92% AI deal score
$5,507
$3,043
Save $2,464
From ORD
Elite
Aug 25
London, United Kingdom
92% AI deal score
$5,636
$3,044
Save $2,592
From ORD
Elite
Aug 03
London, United Kingdom
92% AI deal score
$5,646
$3,087
Save $2,559
From ORD
Elite
Oct 05
London, United Kingdom
92% AI deal score
$2,321
$1,581
Save $740
From ORD
Elite
Oct 14
London, United Kingdom
91% AI deal score
$3,913
$2,527
Save $1,386
From ORD
Elite
Aug 11
London, United Kingdom
91% AI deal score
$5,679
$2,542
Save $3,137
From ORD
Elite
Aug 03
London, United Kingdom
91% AI deal score
$5,643
$2,542
Save $3,101
From ORD
Elite
Oct 04
London, United Kingdom
91% AI deal score
$3,840
$2,579
Save $1,261
From ORD
Elite
Sep 12
London, United Kingdom
91% AI deal score
$3,742
$2,595
Save $1,147
From ORD
Elite
Dec 01
London, United Kingdom
91% AI deal score
$3,969
$2,728
Save $1,241
From ORD
Elite
Dec 08
London, United Kingdom
91% AI deal score
$4,027
$2,728
Save $1,299
From ORD
Elite
Dec 07
London, United Kingdom
91% AI deal score
$4,027
$2,730
Save $1,297
From ORD
Elite
Dec 02
London, United Kingdom
91% AI deal score
$4,004
$2,800
Save $1,204
From ORD
Elite
Oct 21
London, United Kingdom
91% AI deal score
$2,347
$1,769
Save $578
From ORD
Elite
Oct 09
London, United Kingdom
90% AI deal score
$3,722
$2,578
Save $1,144
From ORD
Elite
Oct 20
London, United Kingdom
90% AI deal score
$3,809
$2,727
Save $1,082
From ORD
Elite
Oct 28
London, United Kingdom
90% AI deal score
$3,888
$2,728
Save $1,160
From ORD
Elite
Oct 26
London, United Kingdom
90% AI deal score
$3,887
$2,728
Save $1,159
From ORD
Elite
Oct 28
London, United Kingdom
90% AI deal score
$3,814
$2,738
Save $1,076
From ORD
Elite
Oct 09
London, United Kingdom
90% AI deal score
$3,902
$2,778
Save $1,124
From ORD
Elite
Oct 30
London, United Kingdom
90% AI deal score
$3,884
$2,803
Save $1,081
From ORD
Elite
Jul 14
London, United Kingdom
90% AI deal score
$4,424
$2,926
Save $1,498
From ORD
Elite
Aug 26
London, United Kingdom
90% AI deal score
$5,699
$3,828
Save $1,871
From ORD
Elite
Oct 09
London, United Kingdom
90% AI deal score
$21,344
$15,494
Save $5,850
From ORD
Elite
Aug 08
London, United Kingdom
90% AI deal score
$20,485
$15,495
Save $4,990
From ORD
Elite
Aug 14
London, United Kingdom
90% AI deal score
$21,231
$16,114
Save $5,117
From ORD
Elite
Aug 12
London, United Kingdom
90% AI deal score
$2,383
$1,910
Save $473
From ORD
Elite
Oct 20
London, United Kingdom
89% AI deal score
$3,642
$2,727
Save $915
From ORD
Elite
Oct 28
London, United Kingdom
89% AI deal score
$3,647
$2,737
Save $910
From ORD
Elite
Oct 26
London, United Kingdom
89% AI deal score
$3,729
$2,778
Save $951
From ORD
Elite
Oct 09
London, United Kingdom
89% AI deal score
$3,902
$2,854
Save $1,048
From ORD
Elite
Jul 25
London, United Kingdom
89% AI deal score
$18,862
$15,657
Save $3,205
From ORD
Elite
Jul 31
London, United Kingdom
89% AI deal score
$18,733
$15,657
Save $3,076
From ORD
Elite
Nov 25
London, United Kingdom
89% AI deal score
$2,078
$1,747
Save $331
From ORD
Elite
Aug 12
London, United Kingdom
89% AI deal score
$2,386
$1,915
Save $471
From ORD
Elite
Sep 25
London, United Kingdom
88% AI deal score
$3,600
$2,811
Save $789
From MDW
Elite
Jul 20
London, United Kingdom
85% AI deal score
$3,224
$2,724
Save $500
From ORD
Elite
Aug 14
London, United Kingdom
84% AI deal score
$20,226
$16,114
Save $4,112
From ORD
Elite
Aug 14
London, United Kingdom
84% AI deal score
$20,011
$16,115
Save $3,896
From ORD
Elite
Aug 21
London, United Kingdom
84% AI deal score
$19,949
$16,115
Save $3,834
From ORD
Elite
Jul 07
London, United Kingdom
84% AI deal score
$19,855
$17,378
Save $2,477
From ORD
Elite
Jul 03
London, United Kingdom
84% AI deal score
$20,825
$17,809
Save $3,016
From ORD
Elite
Nov 03
London, United Kingdom
83% AI deal score
$3,191
$2,728
Save $463
From ORD
Elite
Sep 06
London, United Kingdom
83% AI deal score
$3,776
$3,044
Save $732
From ORD
Elite
Aug 24
London, United Kingdom
83% AI deal score
$19,777
$16,114
Save $3,663
From ORD
Elite
Sep 18
London, United Kingdom
83% AI deal score
$2,199
$1,876
Save $323
From ORD
Elite
Sep 18
London, United Kingdom
83% AI deal score
$2,189
$1,876
Save $313
From ORD
Elite
Aug 12
London, United Kingdom
83% AI deal score
$2,385
$1,910
Save $475
From ORD
Elite
Oct 26
London, United Kingdom
83% AI deal score
$2,355
$1,980
Save $375
From ORD
Elite
Nov 12
London, United Kingdom
82% AI deal score
$3,143
$2,778
Save $365
From ORD
Elite
Nov 27
London, United Kingdom
82% AI deal score
$3,111
$2,778
Save $333
From ORD
Elite
Aug 12
London, United Kingdom
82% AI deal score
$2,395
$2,065
Save $330
From ORD
Elite
Aug 10
London, United Kingdom
82% AI deal score
$2,460
$2,177
Save $283
From ORD
Elite
Nov 29
London, United Kingdom
81% AI deal score
$3,130
$2,782
Save $348
From ORD
Elite
Nov 24
London, United Kingdom
81% AI deal score
$3,139
$2,860
Save $279
From ORD
Elite
Nov 15
London, United Kingdom
81% AI deal score
$3,163
$2,861
Save $302
From ORD
Elite
Sep 06
London, United Kingdom
81% AI deal score
$3,517
$3,043
Save $474
From ORD
Elite
Sep 12
London, United Kingdom
81% AI deal score
$3,565
$3,099
Save $466
From ORD
Elite
Sep 25
London, United Kingdom
81% AI deal score
$3,631
$3,099
Save $532
From ORD
Elite
Sep 30
London, United Kingdom
81% AI deal score
$3,619
$3,113
Save $506
From ORD
Elite
Sep 27
London, United Kingdom
81% AI deal score
$2,195
$1,981
Save $214
From ORD
Elite
Aug 24
London, United Kingdom
81% AI deal score
$2,462
$2,192
Save $270
From ORD
Elite
Aug 17
London, United Kingdom
81% AI deal score
$2,460
$2,192
Save $268
From ORD
Elite
Aug 16
London, United Kingdom
81% AI deal score
$2,460
$2,192
Save $268
From ORD
Elite
Aug 11
London, United Kingdom
81% AI deal score
$2,457
$2,193
Save $264
From ORD
Elite
Aug 12
London, United Kingdom
81% AI deal score
$2,455
$2,193
Save $262
From ORD
Elite
Aug 25
London, United Kingdom
81% AI deal score
$2,455
$2,193
Save $262
From ORD
Elite
Aug 05
London, United Kingdom
81% AI deal score
$2,455
$2,262
Save $193
From ORD
Elite
Nov 17
London, United Kingdom
80% AI deal score
$3,135
$2,861
Save $274
From ORD
Elite
Nov 22
London, United Kingdom
80% AI deal score
$3,148
$2,905
Save $243
From ORD
Elite
Nov 21
London, United Kingdom
80% AI deal score
$3,140
$2,950
Save $190
From ORD
Elite
Nov 24
London, United Kingdom
80% AI deal score
$3,146
$2,958
Save $188
From ORD
Elite
Nov 23
London, United Kingdom
80% AI deal score
$3,152
$2,959
Save $193
From ORD
Elite
Jul 04
London, United Kingdom
80% AI deal score
$19,290
$17,809
Save $1,481
From ORD
Elite
Jul 28
London, United Kingdom
80% AI deal score
$21,897
$20,600
Save $1,297
From ORD
Elite
Sep 28
London, United Kingdom
80% AI deal score
$2,193
$1,985
Save $208
From ORD
Elite
Oct 21
London, United Kingdom
80% AI deal score
$2,369
$2,178
Save $191
From ORD
Elite
Oct 13
London, United Kingdom
80% AI deal score
$2,360
$2,178
Save $182
From MDW
Elite
Jul 30
London, United Kingdom
80% AI deal score
$3,218
$2,761
Save $457
From MDW
Elite
Jul 22
London, United Kingdom
80% AI deal score
$3,225
$2,801
Save $424
From MDW
Elite
Aug 11
London, United Kingdom
79% AI deal score
$6,193
$4,659
Save $1,534
From ORD
Elite
Jul 10
London, United Kingdom
79% AI deal score
$21,399
$20,588
Save $811