Question 1

What is the cheapest United Kingdom to Washington, D.C. flight route?

Accepted Answer

Fly from Edinburgh Turnhouse to Washington, D.C. Dulles Intl for the best United Kingdom - Washington, D.C. flight prices

Question 2

Can stopping save me money on United Kingdom to Washington, D.C. flights?

Accepted Answer

You could potentially save up to 47% on your flight if you consider stops on a United Kingdom to Washington, D.C. flight.

Question 3

What is the cheapest month to fly to Washington, D.C.?

Accepted Answer

The cheapest month to fly to Washington, D.C. from United Kingdom is in February. Flight prices, which tend to average around £459, are often lower during this time because this is during the off-season. If you don’t want to visit Washington, D.C. in February, then you should wait until January to fly from United Kingdom, when ticket prices are also cheap, with an average price of £472.

Question 4

How many flights depart from United Kingdom to Washington, D.C. on average per day?

Accepted Answer

As of January 2026, 29 flights take off from United Kingdom and land in Washington, D.C. each day. The most common flight departure time for this route is 16:00, with 100% of daily flights taking off in the afternoon.

Question 5

How many flights depart from United Kingdom to Washington, D.C. on average per week?

Accepted Answer

As of January 2026, 204 flights take off from United Kingdom and land in Washington, D.C. each week. The most common flight departure day for this route is Tue, with 17% of weekly flights taking off on this day.

Question 6

Which airline has the best punctuality record on the United Kingdom to Washington, D.C. flights?

Accepted Answer

According to our data, Virgin Atlantic have had the fewest delays on this route over the last 12 months, with about 8% of their flights experiencing any sort of delay.

Question 7

Which airlines fly to Washington, D.C.?

Accepted Answer

British Airways, Virgin Atlantic and Aer Lingus are the top three most popular airlines that fly to Washington, D.C. from United Kingdom according to our data. British Airways is the first choice among our users, with 41% of people opting to fly with this airline when travelling to Washington, D.C.. Keep in mind that there are 18 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

Question 8

What is the most punctual flight time for the United Kingdom to Washington, D.C. flights?

Accepted Answer

Generally, flights departing in the evening tend to experience fewer delays. Flights departing in the morning have, in the past, seen delays more frequently in comparison.

Question 9

What cabin class options are available on United Kingdom to Washington, D.C. flights?

Accepted Answer

There are 4 cabin classes available to choose from on United Kingdom to Washington, D.C. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 10

What is the cheapest time of day to depart on your flight to Washington, D.C.?

Accepted Answer

At midday is the cheapest time of day to fly from United Kingdom to Washington, D.C. when you can find flight prices for as low as £595. Flying to Washington, D.C. at midday is an ideal time because this is during off-peak travel hours. Flights to Washington, D.C. are more costly in the afternoon, with an average ticket price of £598. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Question 11

How long does it take to fly to Washington, D.C.?

Accepted Answer

On average, it takes 8h 05m to fly from United Kingdom to Washington, D.C. if you fly out of Edinburgh (the most popular airport in United Kingdom) and into Washington, D.C. Dulles Intl Airport (the most popular airport in Washington, D.C.). If you’re flying out of London and into Washington, D.C. Dulles Intl Airport, then the flight time is around 9h 47m.

Question 12

How often are flights from the United Kingdom to Washington, D.C. delayed?

Accepted Answer

Historically, on average around 17% of flights between United Kingdom and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 131 minutes.

Question 13

How far in advance should I book a flight to Washington, D.C.?

Accepted Answer

You are more likely to see cheaper flights to Washington, D.C. from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around £557 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from United Kingdom for as low as £534 on momondo.

Question 14

What is the cheapest day to depart on your flight to Washington, D.C.?

Accepted Answer

On average, the least expensive day to fly to Washington, D.C. from United Kingdom is on a Thursday. momondo users have found tickets for Thursday departures for as low as £584. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from United Kingdom because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £633.

Question 15

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

Question 16

What is the cheapest airline that flies from United Kingdom to Washington, D.C.?

Accepted Answer

Icelandair, SWISS, and Lufthansa are the most popular carriers operating from United Kingdom to Washington, D.C.

Question 17

When did momondo last update prices for flights from United Kingdom to Washington, D.C.?

Accepted Answer

Prices for flights from United Kingdom to Washington, D.C. are refreshed on a daily basis.

Question 18

How many operators does momondo search for flights from United Kingdom to Washington, D.C.?

Accepted Answer

There are 18 operators available for flights from United Kingdom to Washington, D.C. as of January 2026.

Question 19

How old do you have to be to fly from United Kingdom to Washington, D.C.?

Accepted Answer

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United Kingdom to Washington, D.C..

Question 20

What documentation or ID do you need to fly to Washington, D.C.?

Accepted Answer

The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best price found	£444
Fastest flight time	8h 05m
Direct flights	Every day
Airports in Washington, D.C.	2 airports

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom £188	Free Cancellation	Rating 7.9 8,087 reviews	Search Delta flights
PLAY	PriceFrom £267	Free Cancellation	Rating 7.0 103 reviews	Search PLAY flights
Icelandair	PriceFrom £335	Free Cancellation	Rating 7.1 602 reviews	Search Icelandair flights
TAP AIR PORTUGAL	PriceFrom £348	Free Cancellation	Rating 7.1 2,124 reviews	Search TAP AIR PORTUGAL flights
Finnair	PriceFrom £365	Free Cancellation	Rating 7.6 1,353 reviews	Search Finnair flights
Aer Lingus	PriceFrom £376	Free Cancellation	Rating 7.2 1,441 reviews	Search Aer Lingus flights
KLM	PriceFrom £376	Free Cancellation	Rating 7.7 1,442 reviews	Search KLM flights
Air France	PriceFrom £382	Free Cancellation	Rating 7.4 1,523 reviews	Search Air France flights
United Airlines	PriceFrom £405	Free Cancellation	Rating 7.4 9,190 reviews	Search United Airlines flights
Lufthansa	PriceFrom £408	Free Cancellation	Rating 6.8 7,738 reviews	Search Lufthansa flights

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How to get the cheapest flight ticket from United Kingdom to Washington, D.C.

What is the cheapest month to fly to Washington, D.C.?

What is the cheapest day to depart on your flight to Washington, D.C.?

What is the cheapest time of day to depart on your flight to Washington, D.C.?

What is the cheapest United Kingdom to Washington, D.C. flight route?

Fly from Edinburgh Turnhouse to Washington, D.C. Dulles Intl for the best United Kingdom - Washington, D.C. flight prices

How far in advance should I book a flight to Washington, D.C.?

What cabin class options are available on United Kingdom to Washington, D.C. flights?

There are 4 cabin classes available to choose from on United Kingdom to Washington, D.C. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United Kingdom to Washington, D.C. flights?

You could potentially save up to 47% on your flight if you consider stops on a United Kingdom to Washington, D.C. flight.

What is the cheapest airline that flies from United Kingdom to Washington, D.C.?

Icelandair, SWISS, and Lufthansa are the most popular carriers operating from United Kingdom to Washington, D.C.

Which airlines fly to Washington, D.C.?

How often are flights from the United Kingdom to Washington, D.C. delayed?

Historically, on average around 17% of flights between United Kingdom and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 131 minutes.

What is the most punctual flight time for the United Kingdom to Washington, D.C. flights?

Generally, flights departing in the evening tend to experience fewer delays. Flights departing in the morning have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on the United Kingdom to Washington, D.C. flights?

According to our data, Virgin Atlantic have had the fewest delays on this route over the last 12 months, with about 8% of their flights experiencing any sort of delay.

How many flights depart from United Kingdom to Washington, D.C. on average per day?

As of January 2026, 29 flights take off from United Kingdom and land in Washington, D.C. each day. The most common flight departure time for this route is 16:00, with 100% of daily flights taking off in the afternoon.

How many flights depart from United Kingdom to Washington, D.C. on average per week?

As of January 2026, 204 flights take off from United Kingdom and land in Washington, D.C. each week. The most common flight departure day for this route is Tue, with 17% of weekly flights taking off on this day.

How long does it take to fly to Washington, D.C.?

Cheap United Kingdom to Washington, D.C. flight deals and tips

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When did momondo last update prices for flights from United Kingdom to Washington, D.C.?

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What documentation or ID do you need to fly to Washington, D.C.?

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Airports listed have a maximum distance of 22.4 mi from Washington, D.C.