What is the cheapest month to fly to Dulles Intl?

At the present moment the cheapest month to fly to Dulles Intl is currently January ; with July being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

Can I find cheaper flights to Dulles Intl if I am willing to have stopovers?

Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Dulles Intl on Cheapflights that require 1 or 2 stops for potential cost savings.

What is the best airline to fly to Dulles Intl?

Based on reviews from Cheapflights users, Delta is rated the highest out of the airlines that fly to Dulles Intl.

What is the cheapest airport to fly to in Dulles Intl?

Washington, D.C. Dulles Intl is currently the cheapest airport to fly to in Dulles Intl. One-way flights to Washington, D.C. Dulles Intl typically cost £44, while return flights cost around £211.

How much is a return flight to Dulles Intl?

A return flight to Dulles Intl will typically cost around £1,485, however they can be found for as little as £284.

Where does the fastest flight to Dulles Intl depart from?

For those looking to save time traveling to Dulles Intl, London offers the quickest one-way flight (8 hours 5 minutes).

Does Washington, D.C. Dulles Intl have car hire?

Yes. Those touching down at Washington, D.C. Dulles Intl can take advantage of the car hire services offered upon their arrival.

Are there hotels close to Washington, D.C. Dulles Intl?

Yes. Washington, D.C. Dulles Intl has hotels nearby for those requiring accommodations. Sleepbox Lounge Iad, Dulles International Airport is the closest property to Washington, D.C. Dulles Intl (0.0 mi away from Washington, D.C. Dulles Intl).

£400+ Cheap Flights to Dulles Intl

Flights to Dulles Intl in 2025

Return from	£420
One-way from	£400
Popular in	July
Cheapest in	February
Average price	£609
Good round-trip deal	£491 or less
Good one-way deal	£601 or less

PLAY
8/10-11/10
3 total stops
38h 45m total
London to Washington, D.C.

Search Deals

26/9
2 total stops
28h 20m total
London to Washington, D.C.

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (£52 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).

Search Deals

Average for return flights in August 2025

Search Deals

Price to beat on a round-trip flight from London to Washington, D.C. Dulles Intl.

Search Deals

Price to beat on a one-way flight from London to Washington, D.C. Dulles Intl.

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Find flight deals to Dulles Intl Airport

Cheapest flights to Dulles Intl Airport
Explore the most affordable flight options available to Dulles Intl Airport. Find the lowest fares based on data from user searches, with prices last updated on 22 August 2025.

Sat 20/906:40LHR - IAD

1 stop18h 19mScandinavian Airlines

Sat 11/1022:05IAD - LHR

1 stop14h 35mScandinavian Airlines

Deal found 21/8£436

Sat 30/813:05LHR - IAD

1 stop14h 05mIcelandair

Thu 4/923:15IAD - LHR

1 stop31h 40mIcelandair

Deal found 22/8£437

Mon 22/916:25LGW - IAD

1 stop27h 55mTAP AIR PORTUGAL

Mon 29/922:20IAD - LGW

1 stop30h 25mTAP AIR PORTUGAL

Deal found 20/8£437

Thu 9/1007:35STN - IAD

2 stops18h 15mMultiple Airlines

Wed 15/1022:20IAD - STN

2 stops19h 25mMultiple Airlines

Deal found 20/8£437

Sat 20/921:25LHR - IAD

1 stop26h 55mIcelandair

Wed 24/920:30IAD - LHR

1 stop10h 25mIcelandair

Deal found 21/8£437

Thu 28/810:00LGW - IAD

1 stop14h 24mMultiple Airlines

Fri 19/915:15IAD - LGW

1 stop34h 45mMultiple Airlines

Deal found 20/8£437

Sat 4/1017:40STN - IAD

2 stops26h 40mMultiple Airlines

Mon 6/1022:20IAD - STN

2 stops20h 50mMultiple Airlines

Deal found 21/8£437

Fri 29/813:05LHR - IAD

1 stop11h 15mIcelandair

Fri 5/920:30IAD - LHR

1 stop10h 25mIcelandair

Deal found 20/8£438

Mon 6/1015:40LGW - IAD

1 stop32h 40mIcelandair

Mon 13/1020:30IAD - LGW

1 stop13h 05mIcelandair

Deal found 21/8£438

Sun 5/1008:15STN - IAD

2 stops16h 05mMultiple Airlines

Sun 12/1020:30IAD - STN

2 stops19h 45mMultiple Airlines

Deal found 21/8£438

Tue 26/821:25LHR - IAD

1 stop29h 45mIcelandair

Thu 4/923:15IAD - LHR

1 stop31h 40mIcelandair

Deal found 21/8£439

Wed 10/910:35LHR - IAD

2 stops14h 24mScandinavian Airlines

Wed 10/1220:30IAD - LHR

1 stop14h 30mScandinavian Airlines

Deal found 19/8£440

Best flights to Dulles Intl Airport
Discover carefully curated flight deals to Dulles Intl Airport that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 August 2025.

Wed 17/913:05LHR - IAD

1 stop14h 05mIcelandair

Sun 21/920:30IAD - LHR

1 stop10h 25mIcelandair

Deal found 21/8£437

Mon 22/916:25LGW - IAD

1 stop27h 55mTAP AIR PORTUGAL

Mon 29/922:20IAD - LGW

1 stop30h 25mTAP AIR PORTUGAL

Deal found 20/8£437

Thu 9/1007:35STN - IAD

2 stops18h 15mMultiple Airlines

Wed 15/1022:20IAD - STN

2 stops19h 25mMultiple Airlines

Deal found 20/8£437

Thu 18/906:40LHR - IAD

1 stop18h 19mScandinavian Airlines

Fri 26/922:05IAD - LHR

1 stop12h 55mScandinavian Airlines

Deal found 22/8£437

Thu 25/909:25LCY - IAD

1 stop11h 50mSWISS

Wed 1/1020:45IAD - LCY

1 stop17h 00mSWISS

Deal found 22/8£450

Thu 6/1109:40LCY - IAD

1 stop15h 35mLufthansa

Mon 10/1118:00IAD - LCY

1 stop18h 40mLufthansa

Deal found 22/8£473

Sat 20/921:25LHR - IAD

1 stop26h 55mIcelandair

Sun 28/923:15IAD - LHR

1 stop16h 05mIcelandair

Deal found 21/8£437

Sat 4/1017:40STN - IAD

2 stops26h 40mMultiple Airlines

Mon 6/1022:20IAD - STN

2 stops20h 50mMultiple Airlines

Deal found 21/8£437

Wed 10/906:40LHR - IAD

1 stop18h 19mScandinavian Airlines

Wed 10/1220:30IAD - LHR

2 stops17h 20mScandinavian Airlines

Deal found 22/8£438

Mon 6/1008:10LCY - IAD

1 stop13h 05mSWISS

Mon 13/1020:45IAD - LCY

1 stop15h 30mSWISS

Deal found 22/8£466

Mon 15/921:25LHR - IAD

1 stop26h 55mIcelandair

Sun 21/920:30IAD - LHR

1 stop10h 25mIcelandair

Deal found 21/8£437

Tue 2/921:45LGW - IAD

2 stops46h 35mMultiple Airlines

Sat 27/919:14IAD - LGW

1 stop33h 56mMultiple Airlines

Deal found 20/8£438

Direct flights to Dulles Intl Airport
Explore direct flight options to Dulles Intl Airport based on user searches, and compare prices and availability for your desired travel dates. Data last updated 22 August 2025.

Thu 25/912:35LHR - IAD

Nonstop8h 25mVirgin Atlantic

Wed 8/1017:50IAD - LHR

Nonstop7h 30mVirgin Atlantic

Deal found 20/8£455

Wed 4/216:50LHR - IAD

Nonstop8h 40mVirgin Atlantic

Sat 7/222:20IAD - LHR

Nonstop7h 30mVirgin Atlantic

Deal found 21/8£456

Thu 13/1116:50LHR - IAD

Nonstop8h 40mVirgin Atlantic

Mon 24/1122:20IAD - LHR

Nonstop7h 30mVirgin Atlantic

Deal found 21/8£457

Fri 19/912:35LHR - IAD

Nonstop8h 25mVirgin Atlantic

Fri 26/917:50IAD - LHR

Nonstop7h 30mVirgin Atlantic

Deal found 21/8£458

Thu 4/912:35LHR - IAD

Nonstop8h 25mVirgin Atlantic

Sat 20/917:50IAD - LHR

Nonstop7h 30mVirgin Atlantic

Deal found 21/8£458

Wed 3/912:35LHR - IAD

Nonstop8h 25mVirgin Atlantic

Wed 10/917:50IAD - LHR

Nonstop7h 30mVirgin Atlantic

Deal found 20/8£459

Mon 22/912:35LHR - IAD

Nonstop8h 25mVirgin Atlantic

Mon 6/1017:50IAD - LHR

Nonstop7h 30mVirgin Atlantic

Deal found 20/8£460

Wed 1/1017:00LHR - IAD

Nonstop8h 15mBritish Airways

Tue 14/1022:45IAD - LHR

Nonstop7h 20mBritish Airways

Deal found 21/8£460

Wed 17/912:35LHR - IAD

Nonstop8h 25mVirgin Atlantic

Sun 28/917:50IAD - LHR

Nonstop7h 30mVirgin Atlantic

Deal found 21/8£461

Mon 8/912:35LHR - IAD

Nonstop8h 25mVirgin Atlantic

Mon 6/1017:50IAD - LHR

Nonstop7h 30mVirgin Atlantic

Deal found 20/8£463

Fri 26/912:35LHR - IAD

Nonstop8h 25mVirgin Atlantic

Tue 30/917:50IAD - LHR

Nonstop7h 30mVirgin Atlantic

Deal found 21/8£466

Fri 3/1012:35LHR - IAD

Nonstop8h 25mVirgin Atlantic

Sun 5/1017:50IAD - LHR

Nonstop7h 30mVirgin Atlantic

Deal found 21/8£466

Last-minute flights to Dulles Intl Airport
Discover last-minute flight deals to Dulles Intl Airport. Data last updated 22 August 2025 and is based on user searches.

Tue 26/821:25LHR - IAD

1 stop29h 45mIcelandair

Thu 4/923:15IAD - LHR

1 stop31h 40mIcelandair

Deal found 21/8£439

Wed 27/815:35LGW - IAD

1 stop11h 35mIcelandair

Wed 3/920:30IAD - LGW

1 stop10h 15mIcelandair

Deal found 20/8£440

Thu 28/810:00LGW - IAD

1 stop14h 24mMultiple Airlines

Fri 19/915:15IAD - LGW

1 stop34h 45mMultiple Airlines

Deal found 20/8£437

Fri 29/813:05LHR - IAD

1 stop11h 15mIcelandair

Thu 4/923:15IAD - LHR

1 stop31h 40mIcelandair

Deal found 21/8£438

Sat 30/813:05LHR - IAD

1 stop14h 05mIcelandair

Thu 4/923:15IAD - LHR

1 stop31h 40mIcelandair

Deal found 22/8£437

Tue 2/921:45LGW - IAD

2 stops46h 35mMultiple Airlines

Sat 27/919:14IAD - LGW

1 stop33h 56mMultiple Airlines

Deal found 20/8£438

Wed 10/910:35LHR - IAD

2 stops14h 24mScandinavian Airlines

Wed 10/1220:30IAD - LHR

1 stop14h 30mScandinavian Airlines

Deal found 19/8£440

Sat 20/906:40LHR - IAD

1 stop18h 19mScandinavian Airlines

Sat 11/1022:05IAD - LHR

1 stop14h 35mScandinavian Airlines

Deal found 21/8£436

Sat 20/921:25LHR - IAD

1 stop26h 55mIcelandair

Wed 24/920:30IAD - LHR

1 stop10h 25mIcelandair

Deal found 21/8£437

Mon 22/916:25LGW - IAD

1 stop27h 55mTAP AIR PORTUGAL

Mon 29/922:20IAD - LGW

1 stop30h 25mTAP AIR PORTUGAL

Deal found 20/8£437

Thu 25/922:55STN - IAD

2 stops25h 25mMultiple Airlines

Wed 1/1020:30IAD - STN

2 stops19h 25mMultiple Airlines

Deal found 22/8£440

Thu 25/918:40LHR - IAD

1 stop30h 19mScandinavian Airlines

Mon 29/922:05IAD - LHR

2 stops30h 30mScandinavian Airlines

Deal found 21/8£440

One-way flights to Dulles Intl Airport
Search for one-way flight options to Dulles Intl Airport. Find affordable one-way fares based on user searches. Data last updated 22 August 2025.

Fri 26/916:00LHR - IAD

2 stops28h 20mMultiple Airlines

Deal found 20/8£400

Sun 31/814:00LGW - IAD

2 stops30h 23mMultiple Airlines

Deal found 21/8£400

Sat 25/1018:40LHR - IAD

3 stops30h 05mMultiple Airlines

Deal found 20/8£400

Mon 15/1207:30LHR - IAD

2 stops16h 15mMultiple Airlines

Deal found 20/8£401

Thu 9/1012:25LTN - IAD

1 stop13h 25mMultiple Airlines

Deal found 21/8£401

Mon 13/1017:25STN - IAD

1 stop26h 55mMultiple Airlines

Deal found 20/8£401

Mon 6/1022:15LHR - IAD

3 stops27h 35mMultiple Airlines

Deal found 20/8£402

Fri 10/1007:30STN - IAD

1 stop12h 50mMultiple Airlines

Deal found 21/8£402

Thu 11/906:40LTN - IAD

1 stop13h 40mMultiple Airlines

Deal found 20/8£402

Sat 8/1116:35LGW - IAD

1 stop33h 25mTAP AIR PORTUGAL

Deal found 20/8£402

Thu 11/909:25LCY - IAD

2 stops16h 25mMultiple Airlines

Deal found 20/8£402

Tue 2/919:50LHR - IAD

1 stop24h 30mTAP AIR PORTUGAL

Deal found 20/8£403

Fly from

Route

Depart

Return

Price

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Wed 17/9

13:05-22:10

1 stop14h 05m

Washington, D.C. Dulles Intl

Sun 21/9

20:30-11:55

1 stop10h 25m

£437

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Mon 22/9

16:25-15:20

1 stop27h 55m

Washington, D.C. Dulles Intl

Mon 29/9

22:20-09:45

1 stop30h 25m

£437

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Thu 9/10

07:35-20:50

2 stops18h 15m

Washington, D.C. Dulles Intl

Wed 15/10

22:20-22:45

2 stops19h 25m

£437

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Thu 18/9

06:40-19:59

1 stop18h 19m

Washington, D.C. Dulles Intl

Fri 26/9

22:05-16:00

1 stop12h 55m

£437

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Sat 20/9

21:25-19:20

1 stop26h 55m

Washington, D.C. Dulles Intl

Sun 28/9

23:15-20:20

1 stop16h 05m

£437

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Sat 4/10

17:40-15:20

2 stops26h 40m

Washington, D.C. Dulles Intl

Mon 6/10

22:20-00:10

2 stops20h 50m

£437

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Mon 15/9

21:25-19:20

1 stop26h 55m

Washington, D.C. Dulles Intl

Sun 21/9

20:30-11:55

1 stop10h 25m

£437

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Wed 10/9

13:05-19:20

1 stop11h 15m

Washington, D.C. Dulles Intl

Tue 16/9

20:30-11:55

1 stop10h 25m

£437

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Mon 15/9

21:25-19:20

1 stop26h 55m

Washington, D.C. Dulles Intl

Fri 19/9

20:30-11:55

1 stop10h 25m

£437

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Tue 16/9

21:25-19:20

1 stop26h 55m

Washington, D.C. Dulles Intl

Sun 21/9

20:30-11:55

1 stop10h 25m

£437

Flights are sorted by cheapest return flights first.

Deals found on 20/8

Showing 1-10 of 60 results

...

Best time to book a flight to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight to Washington, D.C. Dulles Intl Airport

When is the best time to book a flight to Dulles Intl?

Booking 80 days in advance of your planned departure date is, on average, the best time to get cheap flights to Dulles Intl. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

How long is the flight to Dulles Intl?

On average, a flight from London to Dulles Intl takes 11 hours 24 minutes. Flights to Dulles Intl from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly to Dulles Intl?

Users looking for the lowest fares to Dulles Intl should consider flying on Monday mornings, when prices are typically cheapest. Budget-minded travellers will want to avoid Tuesday at midday, when prices are usually at their highest.

Weekly flight availability to Dulles Intl

The most flights from London to Dulles Intl are scheduled on a Wednesday (28 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (17 on average).

What are the most popular airlines that fly to Dulles Intl?

The most popular airlines flying from London to Dulles Intl are British Airways, Virgin Atlantic and Lufthansa.

What are the cheapest airlines that fly to Dulles Intl?

The cheapest airlines flying from London to Dulles Intl are Delta, PLAY and Icelandair.

Rainfall in Dulles Intl by month

In terms of precipitation, rainfall in Dulles Intl ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Dulles Intl when rainfall is around 66.0 mm.

Temperature in Dulles Intl by month

If weather is an important factor for your trip to Dulles Intl, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

Reviews of airlines servicing Dulles Intl

Check out reviews from past customers who have flown Virgin Atlantic, Icelandair, andPLAY to the United States to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Virgin Atlantic

7.4

Good

658 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jorge,Jun 2025

SFO - LHR

Exceptional, the flight attendant were amazing. My economy delight seat was very comfortable, and I was fortunate enough to have an empty row

Virgin Atlantic

7.4

Good

658 reviews

Virgin Atlantic

7.4

Good

658 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jorge,Jun 2025

SFO - LHR

Exceptional, the flight attendant were amazing. My economy delight seat was very comfortable, and I was fortunate enough to have an empty row

Icelandair

7.0

Good

529 reviews

Virgin Atlantic

7.4

Good

658 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jorge,Jun 2025

SFO - LHR

Exceptional, the flight attendant were amazing. My economy delight seat was very comfortable, and I was fortunate enough to have an empty row

PLAY

7.0

Good

Virgin Atlantic

7.4

Good

658 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jorge,Jun 2025

SFO - LHR

Exceptional, the flight attendant were amazing. My economy delight seat was very comfortable, and I was fortunate enough to have an empty row

Lufthansa

6.8

Okay

7,350 reviews

Virgin Atlantic

7.4

Good

658 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jorge,Jun 2025

SFO - LHR

Exceptional, the flight attendant were amazing. My economy delight seat was very comfortable, and I was fortunate enough to have an empty row

British Airways

6.7

Okay

7,292 reviews

Virgin Atlantic

7.4

Good

658 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jorge,Jun 2025

SFO - LHR

Exceptional, the flight attendant were amazing. My economy delight seat was very comfortable, and I was fortunate enough to have an empty row

FAQs about flying to Dulles Intl

Washington Dulles International Airport handles close to 24 million passengers each year. This architecturally beautiful airport is situated 42km (26 miles) from downtown Washington DC and serves a metropolitan area that includes Washington, Baltimore and Northern Virginia.

Washington Dulles International Airport was named after John Foster Dulles who was a former US Secretary of State. The airport is well-connected to Washington and Virginia, it is also connected to more than 125 destinations around the world, making it a popular gateway to the eastern United States.

The airport has a range of shopping options including book shops, fashion, jewellery, gifts, gadgets and music. The duty-free shops at the Washington Dulles International Airport are well-stocked and the amenities are top-class.

The airport serves as a hub for United Airlines, however passengers can book flights to Washington Dulles International Airport on most major international and domestic airlines.

Can I find cheaper flights to Dulles Intl if I am willing to have stopovers?
Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Dulles Intl on Cheapflights that require 1 or 2 stops for potential cost savings.
What is the best airline to fly to Dulles Intl?
Based on reviews from Cheapflights users, Delta is rated the highest out of the airlines that fly to Dulles Intl.
What is the cheapest airport to fly to in Dulles Intl?
Washington, D.C. Dulles Intl is currently the cheapest airport to fly to in Dulles Intl. One-way flights to Washington, D.C. Dulles Intl typically cost £44, while return flights cost around £211.
How much is a return flight to Dulles Intl?
A return flight to Dulles Intl will typically cost around £1,485, however they can be found for as little as £284.
Where does the fastest flight to Dulles Intl depart from?
For those looking to save time traveling to Dulles Intl, London offers the quickest one-way flight (8 hours 5 minutes).
Does Washington, D.C. Dulles Intl have car hire?
Yes. Those touching down at Washington, D.C. Dulles Intl can take advantage of the car hire services offered upon their arrival.
Are there hotels close to Washington, D.C. Dulles Intl?
Yes. Washington, D.C. Dulles Intl has hotels nearby for those requiring accommodations. Sleepbox Lounge Iad, Dulles International Airport is the closest property to Washington, D.C. Dulles Intl (0.0 mi away from Washington, D.C. Dulles Intl).

See more FAQs

Silver Spring

Hanover

Oxon Hill

Woodbridge

Arlington

College Park

Laurel

Tysons

Browse thousands of different options on Cheapflights for your next trip

Popular United States flight routes

Fly your favourite airline to Dulles Intl

British Airways flights from Heathrow to Dulles Intl

Virgin Atlantic flights from Heathrow to Dulles Intl

British Airways flights from London to Dulles Intl

Virgin Atlantic flights from London to Dulles Intl

Lufthansa flights from Heathrow to Dulles Intl

PLAY flights from London to Dulles Intl

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When you search for this flight to Dulles Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

Why should you use Cheapflights to find cheap flight tickets to Dulles Intl?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights to Dulles Intl for you. Better yet — we are completely free to use.

Can Cheapflights find flights to Dulles Intl with no change fees?

Yes, we can. To see specific flights to Dulles Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights to Dulles Intl become cheaper?

Not ready to book yet? You can track prices for flights to Dulles Intl on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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£400+ Cheap flights to Dulles Intl

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/9. Fares are subject to change and may not be available on all flights or dates of travel.

Flights to Dulles Intl in 2025

Find the latest flights to Dulles Intl in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 22 August 2025.

Return from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals to Dulles Intl Airport

Cheapest flights to Dulles Intl AirportExplore the most affordable flight options available to Dulles Intl Airport. Find the lowest fares based on data from user searches, with prices last updated on 22 August 2025.

Explore the most affordable flight options available to Dulles Intl Airport. Find the lowest fares based on data from user searches, with prices last updated on 22 August 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights to Washington, D.C. Dulles Intl Airport that are best for you.

Best time to book a flight to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight to Washington, D.C. Dulles Intl Airport

When is the best time to book a flight to Dulles Intl?

Use this chart to determine the optimal time to book a return flight from London to Dulles Intl. Price data was last updated on 8 August 2025.

How long is the flight to Dulles Intl?

When is the cheapest time to fly to Dulles Intl?

Use this chart to determine the cheapest time to fly return from London to Dulles Intl. Price data was last updated on 16 December 2024.

Weekly flight availability to Dulles Intl

What are the most popular airlines that fly to Dulles Intl?

What are the cheapest airlines that fly to Dulles Intl?

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

Reviews of airlines servicing Dulles Intl

Check out reviews from past customers who have flown Virgin Atlantic, Icelandair, andPLAY to the United States to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

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Cheapest flights to Dulles Intl Airport
Explore the most affordable flight options available to Dulles Intl Airport. Find the lowest fares based on data from user searches, with prices last updated on 22 August 2025.