IAD - LHR Price
|
$641 - $849
|
LHR Temperature
|
39.2 - 62.6 °F
|
LHR Rainfall
|
1.6 - 2.8 inches
|
Popular in December High demand for flights, 15% potential price rise |
Cheapest in February Best time to find cheap flights, 12% potential price drop |
Round-trip from $641 From Washington, D.C. Dulles Intl to London Heathrow |
One-way from $310 One-way flight from Washington, D.C. Dulles Intl to London Heathrow |
March can be a great time to fly to London Heathrow Airport from Washington, D.C. Dulles Intl Airport with a flight ticket averaging about $709. Cheapflights users have found deals in the month of March for as cheap as $499. The most expensive prices can be found in the month of June.
To save on the cost of your flight from Washington, D.C. Dulles Intl Airport to London Heathrow Airport, book at least 54 days before your planned departure. Booking around this time can save you about 30% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $825 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $954.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Dulles Intl Airport to London Heathrow Airport as you normally would.
Airline | Cheapest | Average | Flexibility | On-time | COVID-19 safety | |
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$15 | $21 | No cancel fee | 66% |
We couldn't confirm the COVID-19 safety measures taken by Juneyao Airlines. Please check directly on their website for additional information. |
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$294 | $757 | No cancel fee | 72% | ||
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$327 | $668 | No cancel fee | 75% | ||
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$352 | $552 | No cancel fee | N/A | ||
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$365 | $593 | No cancel fee | N/A |
We couldn't confirm the COVID-19 safety measures taken by PLAY. Please check directly on their website for additional information. |
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$384 | $644 | No cancel fee | 77% | ||
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$385 | $787 | No cancel fee | N/A | ||
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$402 | $630 | No cancel fee | 76% | ||
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$410 | $625 | No cancel fee | N/A |
We couldn't confirm the COVID-19 safety measures taken by WOW air. Please check directly on their website for additional information. |
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$497 | $716 | No cancel fee | 77% |
Evening 6 PM to midnight | 45% of IAD to LHR departures |
Afternoon Noon to 6 PM | 38% of IAD to LHR departures |
Morning 6 AM to noon | 16% of IAD to LHR departures |
Early morning Midnight to 6 AM | 1% of IAD to LHR departures |