With TAP.
How to Book
The cheapest prices can be booked via OTA’s, link with prices here below.
Travel Dates
Pretty good availability in 2027.
JULAUGSEPOCTNOVDECJANFEBMARAPRMAYJUN
Route Map: IAD → LIS → LHR
Total distance: 7330 km (4555 miles)
Fare Rules
Minimum stay requirements
TRAVEL FROM TURNAROUND MUST COMMENCE NO EARLIER THAN THE
FIRST SUN AFTER ARRIVAL AT TURNAROUND
OR - TRAVEL FROM TURNAROUND MUST COMMENCE NO EARLIER THAN
5 DAYS AFTER ARRIVAL AT TURNAROUND.Maximum stay requirements
TRAVEL FROM LAST STOPOVER MUST COMMENCE NO LATER THAN 12 MONTHS AFTER DEPARTURE FROM FARE ORIGIN.
Stopover restrictions
ORIGINATING AREA 1 -
2 STOPOVERS PERMITTED ON THE PRICING UNIT
LIMITED TO 1 FREE AND 1 AT USD 75.00.
CHILD/INFANT DISCOUNTS APPLY.
IAD → LHR · 1 stop
Reasonable Business Class Price
This fare from Washington, D.C. to London is a bit cheaper than usual for Business Class travel, although stronger deals do appear from time to time.
Want to check another route? Use our Business Class fare checker →
Looking for more Business Class deals to Europe?
See all Business Class deals from the USA & Canada to Europe →
Note: Prices were verified at the time of publication but may change or expire without notice. We do not sell flights ourselves. Some links may be affiliate links, which may earn us a small commission at no extra cost to you.