Deal Brief
IAD to LHR is currently available as a round-trip redemption for 52,500 points plus $243.07 in taxes. This option prices in Economy through alaska+velocity, with strong seat availability.
Route: Best Round-Trip Deal: Washington, DC to London
Route code: IAD -> LHR + LHR -> IAD
Program: Alaska Mileage Plan / Virgin Australia Velocity (Mixed)
Airline: United Airlines
Trip style: 10 days
Travel window: Multiple
Available dates:
June 2026 (1) cash price unavailable
- JUN-23 to JUL-3
September 2026 (1) cash price unavailable
- SEP-9 to SEP-19
November 2026 (1) cash price unavailable
- NOV-28 to DEC-8
Cash fares are approximate round-trip prices via Travelpayouts. Point value = (cash fare − taxes) ÷ points. alaska+velocity baseline: 1.3¢/pt.
Additional Deal Information
Data Last Refreshed
Quality Score Breakdown · 65/100
Absolute Cost
28 / 50
Seat Availability
10 / 10
Cabin Tier
0 / 10
Freshness
1 / 1
Destination Tier
0 / 8
Tax Efficiency 26% cash
10 / 18
Airline Product
0 / 7
Additional Flight Information
Outbound · IAD → LHR
Booked via Alaska Mileage Plan
Return · LHR → IAD
Booked via Virgin Australia Velocity
Airline: United Airlines
Mixed booking: This round trip uses two different loyalty programs for the best combined price.
The booking program is where you redeem points. Different programs may price the same flight differently.