Find flights
When to book
FAQs

Cheap flights from Grimsby to Washington, D.C. Dulles Intl Airport from £633

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
HUY — IAD
3 Sep — 10 Sep1
1 adult

Cheap flight deals from Grimsby to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Grimsby (HUY) 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 29 August 2025.

Round-trip from

£633
Delta
  • Delta
  • 3/12-7/12
  • 3 total stops
  • 43h 36m total
  • Grimsby to Washington, D.C.
Search Deals

Find flight deals from Grimsby to Dulles Intl

Cheapest flights from Grimsby to Dulles Intl
Explore the most affordable flight options available from Grimsby to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

Wed 3/1206:00HUY - IAD
2 stops22h 34mDelta
Sun 7/1218:40IAD - HUY
2 stops33h 40mDelta
Deal found 27/8£633
Sat 11/1006:10HUY - IAD
1 stop14h 25mVirgin Atlantic
Sat 18/1017:25IAD - HUY
1 stop18h 35mVirgin Atlantic
Deal found 27/8£727
Sat 11/1006:10HUY - IAD
3 stops32h 28mMultiple Airlines
Sat 18/1010:20IAD - HUY
2 stops18h 00mMultiple Airlines
Deal found 27/8£948

Cheapflights Fare Finder

 
Customise your flight search to find flights from Grimsby 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 29 August 2025.
Use the filters below to find and compare flights from Grimsby to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Grimsby

Fly to

Dulles Intl

Route

Depart

Return

Price

GrimsbyWashington, D.C.

HUY - IAD

HUYIAD

Grimsby Humberside

Wed 3/12

09:50-16:05

1 stop11h 15m

Washington, D.C. Dulles Intl

Sun 7/12

19:59-09:20

2 stops32h 21m

£633

GrimsbyWashington, D.C.

HUY - IAD

HUYIAD

Grimsby Humberside

Sat 11/10

06:10-15:35

1 stop14h 25m

Washington, D.C. Dulles Intl

Sat 18/10

17:25-17:00

1 stop18h 35m

£727

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Best time to book a flight from Grimsby to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Grimsby 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 from Grimsby to Washington, D.C. Dulles Intl Airport

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

Currently, January is the cheapest month in which you can book a flight from Grimsby to Washington, D.C. Dulles Intl Airport (average of £599). Flying from Grimsby to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £947). 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.

Related info for your journey

Find useful and relevant information for your journey from Grimsby 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 airport do you fly from for flights from Grimsby to Washington, D.C. Dulles Intl?

    Grimsby Humberside (HUY), located 11.0 mi from the city center, is the airport you fly out of when you book flights from Grimsby to Washington, D.C. Dulles Intl. 0 airlines have flights from Humberside to Washington, D.C. Dulles Intl on a regular basis. Booking flights from Grimsby Humberside to Washington, D.C. Dulles Intl should not be difficult; the airport handles an average of 0 outbound flights to Washington, D.C. Dulles Intl per day.

  • How long is the flight from Grimsby to Washington, D.C. Dulles Intl Airport?

    Airlines like Delta fly from Grimsby to Washington, D.C. Dulles Intl Airport in about 11h 15m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 3624 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Grimsby 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 Grimsby to Washington, D.C. Dulles Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Grimsby to Washington, D.C. Dulles Intl Airport (average of £599). Flying from Grimsby to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £947). 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

Travelling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Silver Spring
Hanover
Oxon Hill
Woodbridge
Arlington
College Park
Laurel
Tysons

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Grimsby to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Dulles Intl flights
Heathrow to Baltimore flights
Gatwick to Dulles Intl flights
Heathrow to Reagan-National flights
London City to Dulles Intl flights
Gatwick to Reagan-National flights
Gatwick to Baltimore flights
Stansted to Dulles Intl flights
Stansted to Baltimore flights
Luton to Dulles Intl flights
London City to Baltimore flights
London City to Reagan-National flights
Luton to Baltimore flights
Manchester to Dulles Intl flights
Edinburgh to Dulles Intl flights
Manchester to Reagan-National flights
Manchester to Baltimore flights
Edinburgh to Baltimore flights
Edinburgh to Reagan-National flights
Birmingham to Reagan-National flights
Birmingham to Baltimore flights
Birmingham to Dulles Intl flights
Bristol to Dulles Intl flights
Leeds to Dulles Intl flights
Southampton to Dulles Intl flights
Newcastle upon Tyne to Dulles Intl flights
Bristol to Baltimore flights
Bristol to Reagan-National flights
Leeds to Baltimore flights
Leeds to Reagan-National flights
Southend to Dulles Intl flights
Newcastle upon Tyne to Reagan-National flights
Newcastle upon Tyne to Baltimore flights
Norwich to Baltimore flights
Norwich to Dulles Intl flights
Liverpool to Baltimore flights
Grimsby to Reagan-National flights
Norwich to Reagan-National flights
Southampton to Baltimore flights
East Midlands to Baltimore flights
Newquay to Baltimore flights
Southampton to Reagan-National flights
Exeter to Dulles Intl flights
Grimsby to Baltimore flights
Doncaster to Baltimore flights
Doncaster to Dulles Intl flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Grimsby to Dulles Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights simply makes it quick and affordable to book flights from Grimsby to Dulles Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Grimsby to Dulles Intl, users can toggle the no change fees filter when performing a flight search.

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

Yes! Start tracking prices for Grimsby to Dulles Intl flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.