$190+ Cheap flights from Washington, D.C. (WAS) to Heathrow (LHR)

Yes, there are multiple flights from Washington, D.C. to London Heathrow Airport for under $500. The cheapest flight booked recently is on Multiple Airlines for just $452, but on average you can expect to pay $584.

Cheapflights has at least 14 direct flights from Washington, D.C. to London Heathrow Airport under $600. A good price for a nonstop flight from Washington, D.C. to London Heathrow Airport is less than $653.

There are currently 20+ open flights from Washington, D.C. to London Heathrow Airport within the next 7 days for less than $500.

Flying on Icelandair is currently your cheapest option to London Heathrow Airport, with prices starting at $455. Additional round-trip tickets that might be worth considering are offered by JetBlue and Air Canada, with the lowest prices starting at $505 and $543, respectively. Icelandair is currently priced 41% below the average price you’ll pay for this route.

One-way options have recently been found by users for as low as $190 on Icelandair. Other airlines that offer cheap prices include TAP AIR PORTUGAL from $303 and JetBlue from $318 one-way.

The most popular flight routes from Washington, D.C. to London Heathrow Airport are Washington, D.C. Dulles Intl - London Heathrow, Baltimore/Washington - London Heathrow and Washington, D.C. Reagan-National - London Heathrow.

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. to London Heathrow Airport on time: American Airlines (31%), Aer Lingus (31%), Finnair (31%).

Looking at all options, your cheapest flight can be booked for $378. While the most popular route (Washington, D.C. Dulles Intl - London Heathrow) can be booked for $462 on average our data indicates $1,592 when flying from Washington, D.C. to London Heathrow Airport.

These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Baltimore/Washington Airport to London Heathrow Airport flight would often be abbreviated as a BWI to LHR flight. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Washington, D.C. Dulles Intl Airport (IAD), Washington, D.C. Reagan-National Airport (DCA).

Washington, D.C. to London Heathrow Airport flights have a layover in Reykjavik most of the time.

Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool are the most popular attractions in Reykjavik if you're in need of something to do during your layover. Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool can be accessed by traveling approximately 23.2 mi, 23.3 mi, and 24.6 mi, respectively from Reykjavik Keflavik Intl. Those looking to explore during their layover in Reykjavik can rent a car from Reykjavik Keflavik Intl for about $51 per day.

Washington, D.C. to London Heathrow Airport flights that have layovers will least frequently stop in Dublin.

The amount of baggage you can bring on your Washington, D.C. to Heathrow flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

Yes, Cheapflights allows you to browse and filter Washington, D.C. to Heathrow flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

Yes. In addition to deals on Washington, D.C. to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Heathrow.

Yes. Cheapflights offers flight deals from Washington, D.C. to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Many airlines flying from Washington, D.C. to Heathrow offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

Yes, you can often find last-minute deals on Washington, D.C. to Heathrow flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

The Washington, D.C. to London Heathrow Airport flight deals you see on this page were last updated on 10/31.

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to London Heathrow Airport (average of $649). Flying from Washington, D.C. to London Heathrow Airport in June is currently the most expensive (average of $1,089). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.