Question 1

Why should I use momondo to find a flight deal to Washington, D.C.?

Accepted Answer

Finding the right flight to Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. These options can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

Question 2

Can I find flights to Washington, D.C. with flexible booking policies on momondo?

Accepted Answer

Yes. momondo enables you to select and highlight flights to Washington, D.C. with this policy.

Question 3

How can momondo help me find flights to Washington, D.C.?

Accepted Answer

Once all potential Washington, D.C. flight options are in front of you momondo lets you sort and filter flights based on preferences such as airline, price and flight times, amongst many other options.

Question 4

I’m not ready to book a flight to Washington, D.C. right now. Can momondo alert me if prices change?

Accepted Answer

If you are not ready to book a flight to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert; this is where momondo will track prices on flights to Washington, D.C. and let you know when they change.

Question 5

When is it best to fly to Washington, D.C. to go sightseeing?

Accepted Answer

The best time to plan to fly to Washington, D.C. to go sightseeing would be when the temperature is not unbearable and the chance of rain is only moderate. Considering those guidelines, May seem like the best times of year to plan your visit.

Question 6

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

Accepted Answer

The ideal time to book your flight to Washington, D.C. is 57 days in advance, when prices tend to average £521. Keep in mind that you might be able to find cheaper flights to Washington, D.C. at any time. In fact, our users found flights for as low as £410 in the past 72 hours.

Question 7

Is there an alternative airport near Washington, D.C.?

Accepted Answer

Finding an alternative and possibly cheaper destination airport near Washington, D.C. is possible. If you are planning a flight to Washington, D.C., consider booking flights to Washington, D.C. Reagan-National Airport (4 mi from Washington, D.C. city centre) or Baltimore/Washington Airport (27 mi from Washington, D.C. city centre).

Question 8

Is there a cheaper alternative to flying into Washington, D.C.?

Accepted Answer

Prices vary based on where travellers are departing from, but on average, the cheapest airport to fly to in Washington, D.C. is Washington, D.C. Reagan-National Airport where the average price is £279. Users typically find the best prices when using momondo’s Airport-to-Airport Pricing Tool.

Question 9

Are there flights to Georgetown?

Accepted Answer

Yes, you can get a flight to Washington, D.C. Dulles Intl airport in Washington, D.C. (20.8 mi from Georgetown).

Question 10

What’s the closest airport to Union Station?

Accepted Answer

The closest airport to Union Station is Washington, D.C. Dulles Intl, 24.0 mi away.

Question 11

Which airlines fly to Washington, D.C.?

Accepted Answer

When flying to Washington, D.C. from United Kingdom, momondo travellers will most often fly with one of these popular airlines: British Airways, Virgin Atlantic, Aer Lingus or Icelandair. Depending on what airport in United Kingdom you fly from, you may be able to find flights with any of these popular airlines.

Question 12

KLM Flights to Washington, D.C.

Accepted Answer

There are 41 KLM flights to Washington, D.C. in a normal week. The most common departure point is Atlanta Hartsfield-Jackson and the best KLM ticket price seen on momondo is £376 (last 72 hours, from London Heathrow, to Washington, D.C.). KLM has a score of 7.8 from 1,542 user reviews on momondo.

Question 13

Delta Flights to Washington, D.C.

Accepted Answer

Delta (7.8/10, 8,479 reviews) is also a popular choice for flights to Washington, D.C., with deals from as low as £421 from London Heathrow, round-trip. With 83 Delta flights to Washington, D.C. on average each week, prices can vary significantly by origin and availability.

Question 14

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

Accepted Answer

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

Question 15

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

Accepted Answer

There are 24 operators available for flights to Washington, D.C. as of July 2026.

Question 16

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

Accepted Answer

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel to Washington, D.C..

Question 17

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

Accepted Answer

The travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Question 18

What is the absolute cheapest flight to Washington, D.C.?

Accepted Answer

Users booking trips to Washington, D.C. from Boston found flights 86% cheaper than the average price of flights to Washington, D.C.. To find the cheapest price to Washington, D.C. from your area, use momondo’s Airport-to-Airport Pricing Tool.

Question 19

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 Friday. momondo users have found tickets for Friday departures for as low as £567. 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 £615.

Question 20

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 £444, 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 £461.

Question 21

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 £571. 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 morning, with an average ticket price of £582. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Question 22

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 £539 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 £492 on momondo.

Question 23

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

Accepted Answer

On average, it takes 8h 15m to fly from United Kingdom to Washington, D.C. if you fly out of London Heathrow (the most popular airport in United Kingdom) and into Washington, D.C. Dulles Intl (the most popular airport in Washington, D.C.). If you’re flying out of Manchester and into Washington, D.C. Dulles Intl, then the flight time is around 14h 10m.

CHEAPEST MONTH TO FLY TO WASHINGTON, D.C. FROM LONDON HEATHROW AIRPORT	January	13% cheaper	Flying from London Heathrow Airport to Washington, D.C. costs on average just £460 in January
MOST EXPENSIVE MONTH TO FLY TO WASHINGTON, D.C. FROM LONDON HEATHROW AIRPORT	July	12% more expensive	It costs about £592 for flights to Washington, D.C. from London Heathrow Airport in July
MOST POPULAR MONTH TO FLY TO WASHINGTON, D.C. FROM LONDON HEATHROW AIRPORT	July	620% more users visited	More momondo users searched in flights to Washington, D.C. from London Heathrow Airport in July than any other month

Best One-Way Price	£254
Best Round-Trip Price	£436
Fastest flight time	8h 15m
Popular in	May

£254 Cheap flights to Washington, D.C.

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Washington, D.C. departing on 4/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Popular Flights to Washington, D.C.

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

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