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Cheap flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport from £365

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 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — IAD
24 Dec — 31 Dec1
1 adult

The best prices from London Gatwick to Washington, D.C. Dulles Intl are usually found in February or April, booked 31 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from Gatwick to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Gatwick (LGW) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 19 December 2024.

Round-trip from

£440

One-way from

£365

Popular in

July

Cheapest in

February

Average price

£587
Icelandair
  • Icelandair
  • 13/2-4/3
  • 2 total stops
  • 21h 45m total
  • London to Washington, D.C.
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15/1
  • 15/1
  • 1 total stop
  • 33h 30m total
  • London to Washington, D.C.
Search Deals
High demand for flights, 24% potential price rise
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Best time to find cheap flights, 4% potential price drop
Search Deals
Average for round-trip flights in December 2024
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Find flight deals from Gatwick to Dulles Intl

Cheapest flights from Gatwick to Dulles Intl
Explore the most affordable flight options available from Gatwick to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 December 2024.

Wed 25/1210:40LGW - IAD
1 stop15h 20mTAP AIR PORTUGAL
Fri 10/122:30IAD - LGW
1 stop12h 15mTAP AIR PORTUGAL
Deal found 18/12£654
Thu 26/1207:00LGW - IAD
1 stop13h 40mMultiple Airlines
Sat 11/117:10IAD - LGW
1 stop15h 15mMultiple Airlines
Deal found 18/12£684
Sat 28/1218:45LGW - IAD
2 stops48h 15mSWISS
Fri 17/120:45IAD - LGW
1 stop16h 05mSWISS
Deal found 18/12£888
Thu 26/1216:55LGW - IAD
1 stop31h 35mTurkish Airlines
Wed 15/113:30IAD - LGW
1 stop27h 00mTurkish Airlines
Deal found 18/12£894
Sat 28/1211:55LGW - IAD
1 stop11h 30mIcelandair
Thu 9/119:40IAD - LGW
1 stop10h 15mIcelandair
Deal found 18/12£919
Thu 19/1215:45LGW - IAD
1 stop31h 55mRoyal Air Maroc
Fri 27/1220:40IAD - LGW
1 stop13h 05mRoyal Air Maroc
Deal found 18/12£1,358
Fri 27/1210:00LGW - IAD
2 stops27h 00mEthiopian Air
Tue 7/110:00IAD - LGW
1 stop38h 40mEthiopian Air
Deal found 18/12£2,394

Find flights from Gatwick to Dulles Intl within your budget

Customise your flight search to find flights from Gatwick to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 19 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Sat 1/3

11:55-18:25

1 stop11h 30m

Washington, D.C. Dulles Intl

Thu 27/3

20:40-10:55

1 stop10h 15m

£446

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Mon 13/1

11:25-18:25

2 stops36h 00m

Washington, D.C. Dulles Intl

Sun 26/1

19:40-18:50

2 stops18h 10m

£478

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Mon 27/1

16:35-14:30

1 stop26h 55m

Washington, D.C. Dulles Intl

Mon 10/2

19:15-20:30

2 stops20h 15m

£496

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Tue 4/3

15:45-18:40

1 stop31h 55m

Washington, D.C. Dulles Intl

Fri 7/3

20:40-14:45

1 stop13h 05m

£521

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Mon 27/1

18:45-15:30

1 stop25h 45m

Washington, D.C. Dulles Intl

Mon 3/2

17:30-17:50

1 stop19h 20m

£595

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Wed 29/1

13:10-15:00

2 stops30h 50m

£366

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Fri 24/1

11:55-18:25

1 stop11h 30m

£402

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Mon 27/1

16:35-14:30

1 stop26h 55m

£416

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Sat 19/4

16:40-19:05

1 stop31h 25m

£521

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Tue 28/1

10:15-11:35

1 stop30h 20m

£683

Flights are sorted by cheapest return flights first.

Deals found on 18/12

Showing 1-10 of 12 results
1
2

Best time to book a flight from Gatwick to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Gatwick 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.

Travel insights for flights from Gatwick to Dulles Intl

Get recent, data-driven insights about flights from Gatwick to Dulles Intl including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from London Gatwick Airport to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a return flight from Gatwick to Dulles Intl. Price data was last updated on 13 December 2024.

To ensure you get the cheapest price possible for a flight from London Gatwick Airport to Washington, D.C. Dulles Intl Airport, you should look to book at least 31 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from London Gatwick Airport to Washington, D.C. Dulles Intl Airport?

Currently, January is the cheapest month in which you can book a flight from London Gatwick Airport to Washington, D.C. Dulles Intl Airport (average of £599). Flying from London Gatwick Airport to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £938). 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.

What is the cheapest time of day to fly from LGW to IAD?

Find hourly flight availability from Gatwick to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 December 2024.

Unlike in the evening, when flights are generally more expensive, you can save up to 33% on flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport by exploring options for tickets in the morning.

Rainfall in Dulles Intl by month

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

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport 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 Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.

Temperature in Dulles Intl by month

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

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated 19 December 2024.
Get a feel of what it's like to fly with Icelandair, TAP AIR PORTUGAL and SWISS from London to Washington, D.C. by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.6
Good
1,605 reviews
Check prices

Comfort

7.4

Crew

8.2

Overall

7.6

Food

7.1

Boarding

7.7

Entertainment

6.8

Reviews

1 / 10

Indian Veg food selection and quality definitely needs a better chef.

SWISS
7.6
Good
1,605 reviews
SWISS
7.6
Good
1,605 reviews
Check prices

Comfort

7.4

Crew

8.2

Overall

7.6

Food

7.1

Boarding

7.7

Entertainment

6.8

Reviews

1 / 10

Indian Veg food selection and quality definitely needs a better chef.

Icelandair
7.1
Good
509 reviews
SWISS
7.6
Good
1,605 reviews
Check prices

Comfort

7.4

Crew

8.2

Overall

7.6

Food

7.1

Boarding

7.7

Entertainment

6.8

Reviews

1 / 10

Indian Veg food selection and quality definitely needs a better chef.

TAP AIR PORTUGAL
7.1
Good
1,878 reviews
SWISS
7.6
Good
1,605 reviews
Check prices

Comfort

7.4

Crew

8.2

Overall

7.6

Food

7.1

Boarding

7.7

Entertainment

6.8

Reviews

1 / 10

Indian Veg food selection and quality definitely needs a better chef.

Royal Air Maroc
6.2
Okay
505 reviews
SWISS
7.6
Good
1,605 reviews
Check prices

Comfort

7.4

Crew

8.2

Overall

7.6

Food

7.1

Boarding

7.7

Entertainment

6.8

Reviews

1 / 10

Indian Veg food selection and quality definitely needs a better chef.

Related info for your journey

Find useful and relevant information for your journey from Gatwick to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from London Gatwick Airport to Washington, D.C. Dulles Intl Airport round-trip?

    Our cheapest airline available from London Gatwick Airport to Washington, D.C. Dulles Intl Airport is Icelandair. Our recent data shows that you can find tickets from as low as £440 on this airline. Additional options worth looking into are TAP AIR PORTUGAL and Royal Air Maroc, starting at £494 and £521 round-trip. Icelandair is 26% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from London Gatwick Airport to Washington, D.C. Dulles Intl Airport one-way?

    To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at £379. TAP AIR PORTUGAL flights start at £416 while deals on Royal Air Maroc start at £521 one-way.

  • Can I find deals for flights from Gatwick to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Gatwick to Dulles Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Gatwick to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Gatwick to Dulles Intl.

  • Can I find deals for business class flights from Gatwick to Dulles Intl?

    Yes. Cheapflights offers flight deals from Gatwick to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Gatwick Airport to Washington, D.C. Dulles Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from London Gatwick Airport to Washington, D.C. Dulles Intl Airport (average of £599). Flying from London Gatwick Airport to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £938). 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.

See more FAQs

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Top 4 airlines flying from Gatwick to Dulles Intl

Discover the top 4 airlines that operate flights from Gatwick to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 19 December 2024.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£372Average£552FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
TAP AIR PORTUGALCheapest£401Average£657FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Aer LingusCheapest£454Average£571FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Virgin AtlanticCheapest£527Average£677FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Gatwick to Dulles Intl?

When you search for this flight from Gatwick 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 flight for you.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Gatwick to Dulles Intl.

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

Yes! Cheapflights helps users easily find flights from Gatwick to Dulles Intl with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Dulles Intl from Gatwick today and book when prices fit your budget.

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