In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What airport do you fly from for flights from Manchester to Washington, D.C. Dulles Intl?

Manchester (MHT) is the airport you will fly out of if you book a flight from Manchester to Washington, D.C. Dulles Intl. You should not have trouble finding flights to Washington, D.C. Dulles Intl from Manchester; the airport handles an average of 2 outbound flights to Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the Manchester airport to Washington, D.C. Dulles Intl. It is only a 4.8 mi journey to Manchester (MHT) from Manchester’s city center.

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

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

How can I find direct flights from Manchester to Dulles Intl?

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

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

Yes. Cheapflights offers flight deals from Manchester 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.

$189+ Flights from Manchester, NH to Washington, D.C. Dulles Intl Airport

Q: What is the cheapest day to fly from Manchester, New Hampshire to Washington, D.C. Dulles Intl Airport?

Travelers seeking maximum savings on their Manchester, New Hampshire to Washington, D.C. Dulles Intl Airport flight should consider departing on Sunday at noon when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Q: What is the cheapest day to fly round-trip from Manchester, New Hampshire to Washington, D.C. Dulles Intl Airport?

Saturday flights are found to be more expensive to fly from Manchester, New Hampshire to Washington, D.C. Dulles Intl Airport. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C. Dulles Intl Airport.

Q: How far in advance should I book a flight from Manchester, New Hampshire to Washington, D.C. Dulles Intl Airport?

Users have found that booking a flight from Manchester, New Hampshire to Washington, D.C. Dulles Intl Airport at least 36 days early can save you up to 76% on average compared to booking a flight this week. If booking 36 days before your flight isn’t an option for you, users have found flights from Manchester, New Hampshire to Washington, D.C. Dulles Intl Airport for as little as $177 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $344 for flights departing within the next 3 days.

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Find cheap flights from Manchester to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Manchester to Washington, D.C. Dulles Intl are usually found in July or June, booked 39 days in advance, depart on a Friday or Thursday and return on a Thursday

Cheap flight deals from Manchester to Dulles Intl

Round-trip from	$189 (United Airlines)
Popular in	January
Cheapest in	July
Average price	$251
Good round-trip deal	$283 or less
Good one-way deal	$227 or less

From Manchester to Washington, D.C. Dulles Intl

Search Deals

Highest demand for flights based on searches. 23% potential increase in price ($117 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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

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

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Find flight deals from Manchester to Dulles Intl

Cheapest flights from Manchester to Dulles Intl
Explore the most affordable flight options available from Manchester to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2025.

Wed 8/132:00 pmMHT - IAD

Nonstop1h 55mUnited Airlines

Wed 8/209:00 amIAD - MHT

Nonstop1h 42mUnited Airlines

Deal found 6/29

$189

Fri 8/295:17 pmMHT - IAD

1 stop6h 35mAmerican Airlines

Mon 9/15:20 pmIAD - MHT

1 stop5h 38mAmerican Airlines

Deal found 6/29

$269

Best flights from Manchester to Dulles Intl
Discover carefully curated flight deals from Manchester to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 30, 2025.

Wed 8/132:00 pmMHT - IAD

Nonstop1h 55mUnited Airlines

Wed 8/209:00 amIAD - MHT

Nonstop1h 42mUnited Airlines

Deal found 6/29

$189

Fri 8/295:17 pmMHT - IAD

1 stop6h 35mAmerican Airlines

Mon 9/15:20 pmIAD - MHT

1 stop5h 38mAmerican Airlines

Deal found 6/29

$269

Last-minute flights from Manchester to Dulles Intl
Discover last-minute flight deals from Manchester to Dulles Intl. Data last updated June 30, 2025 and is based on user searches.

Tue 7/84:57 pmMHT - IAD

1 stop7h 01mAmerican Airlines

Sat 7/126:35 amIAD - MHT

1 stop5h 04mAmerican Airlines

Deal found 6/28

$443

Thu 7/109:40 amMHT - IAD

Nonstop1h 50mUnited Airlines

Sun 7/1310:12 pmIAD - MHT

Nonstop1h 47mUnited Airlines

Deal found 6/29

$224

Thu 7/106:25 pmMHT - IAD

3 stops21h 50mMultiple Airlines

Sat 7/128:25 amIAD - MHT

3 stops33h 20mMultiple Airlines

Deal found 6/27

$840

Fri 7/182:00 pmMHT - IAD

Nonstop1h 55mUnited Airlines

Mon 7/2110:12 pmIAD - MHT

Nonstop1h 47mUnited Airlines

Deal found 6/30

$194

Tue 7/2212:11 pmMHT - IAD

1 stop4h 58mAmerican Airlines

Tue 8/55:39 pmIAD - MHT

1 stop5h 28mAmerican Airlines

Deal found 6/30

$269

One-way flights from Manchester to Dulles Intl
Search for one-way flight options from Manchester to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated June 30, 2025.

Mon 9/81:30 pmMHT - IAD

Nonstop1h 53mUnited Airlines

Deal found 6/29

$198

Fri 8/15:50 amMHT - IAD

1 stop6h 59mAmerican Airlines

Deal found 6/29

$223

Wed 8/136:44 pmMHT - IAD

3 stops25h 38mMultiple Airlines

Deal found 6/29

$277

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

ManchesterWashington, D.C.

MHT - IAD

MHTIAD

Manchester

Wed 8/13

2:00 pm-3:55 pm

Nonstop1h 55m

Washington, D.C. Dulles Intl

Wed 8/20

9:00 am-10:42 am

Nonstop1h 42m

$189

ManchesterWashington, D.C.

MHT - IAD

MHTIAD

Manchester

Fri 8/29

5:17 pm-11:52 pm

1 stop6h 35m

Washington, D.C. Dulles Intl

Mon 9/1

5:20 pm-10:58 pm

1 stop5h 38m

$269

ManchesterWashington, D.C.

MHT - IAD

MHTIAD

Manchester

Mon 9/8

1:30 pm-3:23 pm

Nonstop1h 53m

$198

ManchesterWashington, D.C.

MHT - IAD

MHTIAD

Manchester

Fri 8/1

5:50 am-12:49 pm

1 stop6h 59m

$223

ManchesterWashington, D.C.

MHT - IAD

MHTIAD

Manchester

Wed 8/13

6:44 pm-8:22 pm

3 stops25h 38m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Best time to book a flight from Manchester to Dulles Intl

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

Estimated round-trip 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 Manchester to Washington, D.C. Dulles Intl Airport

How far ahead should I book a flight from Manchester, New Hampshire to Washington, D.C. Dulles Intl Airport?

Booking 39 days in advance of your planned departure date is, on average, the best time to get cheap flights from Manchester, New Hampshire to Washington, D.C. Dulles Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from Manchester, New Hampshire to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Manchester, New Hampshire to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $345). 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 MHT to IAD?

A simple way to save on the total cost of your ticket is to fly from Manchester, New Hampshire to Washington, D.C. Dulles Intl Airport in the morning. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight in the evening.

Weekly flight availability from Manchester, New Hampshire to Washington, D.C. Dulles Intl Airport

The most flights from MHT to IAD are scheduled on a Monday (3 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost to fly round-trip from Manchester, New Hampshire to Washington, D.C. Dulles Intl Airport?

Reviews of airlines servicing Dulles Intl

Read reviews from past customers who have flown United Airlines and American Airlines from Manchester to Washington, D.C. Dulles Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,852 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

United Airlines

7.4

Good

8,852 reviews

United Airlines

7.4

Good

8,852 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

American Airlines

7.2

Good

10,000 reviews

United Airlines

7.4

Good

8,852 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

What airport do you fly from for flights from Manchester to Washington, D.C. Dulles Intl?
Manchester (MHT) is the airport you will fly out of if you book a flight from Manchester to Washington, D.C. Dulles Intl. You should not have trouble finding flights to Washington, D.C. Dulles Intl from Manchester; the airport handles an average of 2 outbound flights to Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the Manchester airport to Washington, D.C. Dulles Intl. It is only a 4.8 mi journey to Manchester (MHT) from Manchester’s city center.
What are the cheapest airlines flying from Manchester, New Hampshire to Washington, D.C. Dulles Intl Airport round-trip?
United Airlines, at $189, was found to be the cheapest airline from Manchester, New Hampshire to Washington, D.C. Dulles Intl Airport. An alternate airline flying to your destination would be American Airlines. Users have found that United Airlines is 50% cheaper than the other options available to this destination.
What are the cheapest flights from Manchester, New Hampshire to Washington, D.C. Dulles Intl Airport?
Looking for the cheapest flight from Manchester, New Hampshire to Washington, D.C. Dulles Intl Airport? While on average our users pay $545, our data indicates the cheapest price to be $173. The most popular route (Manchester - Washington, D.C. Dulles Intl), is priced around $189.
Can I find deals for flights from Manchester to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Manchester to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Manchester to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Manchester to Dulles Intl.
Can I find deals for business class flights from Manchester to Dulles Intl?
Yes. Cheapflights offers flight deals from Manchester 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 Manchester, New Hampshire to Washington, D.C. Dulles Intl Airport?
Currently, August is the cheapest month in which you can book a flight from Manchester, New Hampshire to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Manchester, New Hampshire to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $345). 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.

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Top 2 airlines flying from Manchester to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$189	Average$317	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$322	Average$474	FlexibilityNo cancel fee	On-time71%

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$189+ Cheap flights from Manchester, NH (MHT) to Dulles Intl (IAD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Manchester to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Manchester to Washington, D.C. Dulles Intl are usually found in July or June, booked 39 days in advance, depart on a Friday or Thursday and return on a Thursday

Cheap flight deals from Manchester to Dulles Intl

Round-trip from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Manchester to Dulles Intl

Cheapest flights from Manchester to Dulles IntlExplore the most affordable flight options available from Manchester to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2025.

Explore the most affordable flight options available from Manchester to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Manchester to Dulles Intl

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

Cheapflights Insights

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

How far ahead should I book a flight from Manchester, New Hampshire to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Manchester to Dulles Intl. Price data was last updated on June 27, 2025.

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

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

Find hourly flight availability from Manchester 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 June 30, 2025.

Weekly flight availability from Manchester, New Hampshire to Washington, D.C. Dulles Intl Airport

How much does it cost to fly round-trip from Manchester, New Hampshire to Washington, D.C. Dulles Intl Airport?

Reviews of airlines servicing Dulles Intl

Related info for your journey

Find useful and relevant information for your journey from Manchester 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 Manchester to Washington, D.C. Dulles Intl?

What are the cheapest airlines flying from Manchester, New Hampshire to Washington, D.C. Dulles Intl Airport round-trip?

What are the cheapest flights from Manchester, New Hampshire to Washington, D.C. Dulles Intl Airport?

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

How can I find direct flights from Manchester to Dulles Intl?

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

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

Traveling to a place near Manchester?

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Alternative routes for Manchester to Dulles Intl

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Top 2 airlines flying from Manchester to Dulles Intl

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Cheapest flights from Manchester to Dulles Intl
Explore the most affordable flight options available from Manchester to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2025.