Flights to London from $ 498*

Promotion Code

United's most popular flights to London (LHR)

$
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Newark/New York (EWR)to

London (LHR)
12/11/25 - 02/08/26
from
$ 502
Viewed: 2 hours ago
Roundtrip
Economy

San Francisco (SFO)to

London (LHR)
12/31/25 - 01/14/26
from
$ 565
Viewed: 1 day ago
Roundtrip
Economy

Houston (IAH)to

London (LHR)
12/31/25 - 01/14/26
from
$ 582
Viewed: 1 day ago
Roundtrip
Economy

Los Angeles (LAX)to

London (LHR)
01/07/26 - 01/15/26
from
$ 573
Viewed: 1 day ago
Roundtrip
Economy

Chicago (ORD)to

London (LHR)
02/24/26 - 03/06/26
from
$ 573
Viewed: 1 day ago
Roundtrip
Economy

Washington, D.C. (IAD)to

London (LHR)
02/01/26 - 02/10/26
from
$ 573
Viewed: 1 day ago
Roundtrip
Economy

Denver (DEN)to

London (LHR)
01/21/26 - 01/28/26
from
$ 578
Viewed: 1 day ago
Roundtrip
Economy

Boston (BOS)to

London (LHR)
12/31/25 - 01/14/26
from
$ 498
Viewed: 3 hours ago
Roundtrip
Economy

*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.

Members who purchase a travel package from United Packages and provide a valid MileagePlus account number at the time of booking are eligible to earn miles. For full terms and conditions, visit packages.united.com.

Business class deals on flights to London (LHR)

$

Newark/New York (EWR)to

London (LHR)
12/25/25 - 01/02/26

Roundtrip

Business

from
$ 2,800
Viewed: 9 hours ago

San Francisco (SFO)to

London (LHR)
12/25/25 - 01/08/26

Roundtrip

Business

from
$ 3,299
Viewed: 1 day ago

Houston (IAH)to

London (LHR)
12/31/25 - 01/14/26

Roundtrip

Business

from
$ 3,607
Viewed: 15 hours ago

Los Angeles (LAX)to

London (LHR)
12/30/25 - 01/08/26

Roundtrip

Business

from
$ 3,357
Viewed: 22 hours ago

Chicago (ORD)to

London (LHR)
12/26/25 - 01/09/26

Roundtrip

Business

from
$ 3,521
Viewed: 1 day ago

Washington, D.C. (IAD)to

London (LHR)
12/17/25 - 12/22/25

Roundtrip

Business

from
$ 2,700
Viewed: 1 day ago

Denver (DEN)to

London (LHR)
12/31/25 - 01/09/26

Roundtrip

Business

from
$ 3,137
Viewed: 2 hours ago

Boston (BOS)to

London (LHR)
04/22/26 - 05/06/26

Roundtrip

Business

from
$ 2,856
Viewed: 9 hours ago

*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.

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Things to do after your flight to London (LHR)

The capital of the United Kingdom, London truly has something for everyone — from art, theatre and architecture to vast green spaces, traditional pubs and high tea.

London’s top attractions

  • See the official home and headquarters of the British monarchy at Buckingham Palace.
  • Admire the Palace of Westminster and the famous Big Ben clock tower.
  • Explore medieval history and see the crown jewels at the Tower of London.
  • Visit major landmarks like Westminster Abbey and St. Paul’s Cathedral.
  • Ride the London Eye for panoramic city views.
  • Take in world-class art at the British Museum, the National Gallery, Tate Britain and Tate Modern.
  • Watch a performance in the famous West End theatre district.
  • Stroll through the various Royal Parks, including Hyde Park and Regent’s Park.
  • Have fun with the family at London Dungeon, Madame Tussauds London, ZSL London Zoo and the Hamleys toy shop.
  • Shop at Fortnum and Mason or Harrods department stores.

Best time to travel to London

There is plenty to see and do in London year-round — keep in mind that the summer and winter holidays are the peak tourist seasons. The Lord Mayor’s Show, held in November, is one of the city’s biggest and longest-running events. The Notting Hill Carnival, a popular Caribbean celebration, is held every summer. Check Hyde Park’s calendar for live music events year-round.

Find your vacation package to London with United Packages.