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

Currently, August is the cheapest month in which you can book a flight from Maryland to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Maryland to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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 MD to IAD?

When flying from Maryland to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Maryland 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.

$132+ Save on Flights from Maryland to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from Maryland to Dulles Intl

Round-trip from	$179 (United Airlines)
One-way from	$132 (Mytrip)

From Maryland to Washington, D.C. Dulles Intl

Search Deals

One-way flight from Maryland to Washington, D.C. Dulles Intl

Search Deals

Find flight deals from Maryland to Dulles Intl

Cheapest flights from Maryland to Dulles Intl
Explore the most affordable flight options available from Maryland to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2025.

Sun 4/136:15 amPHL - IAD

Nonstop1h 06mUnited Airlines

Sun 4/201:00 pmIAD - PHL

Nonstop1h 10mUnited Airlines

Deal found 2/21

$179

Tue 3/256:45 pmPHL - IAD

1 stop5h 13mAmerican Airlines

Thu 4/245:00 amIAD - PHL

1 stop4h 44mAmerican Airlines

Deal found 2/21

$289

Wed 3/1910:03 amPHL - IAD

3 stops25h 23mMultiple Airlines

Fri 3/218:25 amIAD - PHL

3 stops24h 33mMultiple Airlines

Deal found 2/21

$337

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

Sun 4/136:15 amPHL - IAD

Nonstop1h 06mUnited Airlines

Sun 4/201:00 pmIAD - PHL

Nonstop1h 10mUnited Airlines

Deal found 2/21

$179

Fri 3/2811:50 amPHL - IAD

1 stop5h 07mAmerican Airlines

Mon 3/315:27 pmIAD - PHL

1 stop4h 34mAmerican Airlines

Deal found 2/21

$289

Wed 3/1910:03 amPHL - IAD

3 stops25h 23mMultiple Airlines

Fri 3/218:25 amIAD - PHL

3 stops24h 33mMultiple Airlines

Deal found 2/21

$337

Last-minute flights from Maryland to Dulles Intl
Discover last-minute flight deals from Maryland to Dulles Intl. Data last updated February 22, 2025 and is based on user searches.

Thu 3/1310:35 amPHL - IAD

Nonstop1h 07mUnited Airlines

Thu 3/208:40 amIAD - PHL

Nonstop1h 11mUnited Airlines

Deal found 2/21

$184

Wed 3/1910:03 amPHL - IAD

3 stops25h 23mMultiple Airlines

Fri 3/218:25 amIAD - PHL

3 stops24h 33mMultiple Airlines

Deal found 2/21

$337

Tue 3/256:45 pmPHL - IAD

1 stop5h 13mAmerican Airlines

Thu 4/245:00 amIAD - PHL

1 stop4h 44mAmerican Airlines

Deal found 2/21

$289

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

Mon 4/77:10 amPHL - IAD

3 stops28h 16mMultiple Airlines

Deal found 2/20

$132

Mon 5/510:44 amPHL - IAD

Nonstop1h 06mUnited Airlines

Deal found 2/21

$204

Sat 3/226:45 pmPHL - IAD

1 stop5h 13mAmerican Airlines

Deal found 2/21

$214

Find flights from Maryland to Dulles Intl within your budget

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Sun 4/13

6:15 am-7:21 am

Nonstop1h 06m

Washington, D.C. Dulles Intl

Sun 4/20

1:00 pm-2:10 pm

Nonstop1h 10m

$179

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Fri 3/28

8:36 am-1:22 pm

1 stop4h 46m

Washington, D.C. Dulles Intl

Sat 3/29

1:52 pm-5:55 pm

1 stop4h 03m

$289

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Wed 3/19

10:03 am-11:26 am

3 stops25h 23m

Washington, D.C. Dulles Intl

Fri 3/21

8:25 am-8:58 am

3 stops24h 33m

$337

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Mon 4/7

7:10 am-11:26 am

3 stops28h 16m

$132

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Mon 5/5

10:44 am-11:50 am

Nonstop1h 06m

$204

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Sat 3/22

6:45 pm-11:58 pm

1 stop5h 13m

$214

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Best time to book a flight from Maryland to Dulles Intl

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

Travel insights for flights from Maryland to Dulles Intl

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

Rainfall in Dulles Intl by month

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.

Temperature in Dulles Intl 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 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).

Reviews of airlines servicing Dulles Intl

United Airlines

7.4

Good

8,754 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

8,754 reviews

United Airlines

7.4

Good

8,754 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

8,754 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

Can I find deals for flights from Maryland to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Maryland to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Maryland to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Maryland to Dulles Intl.
Can I find deals for business class flights from Maryland to Dulles Intl?
Yes. Cheapflights offers flight deals from Maryland 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 Maryland to Washington, D.C. Dulles Intl Airport?
Currently, August is the cheapest month in which you can book a flight from Maryland to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Maryland to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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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Rockville

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Gaithersburg

Silver Spring

Fredericksburg

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Laurel

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Easton

Herndon

Bowie

Reston

National Harbor

Oxon Hill

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$132+ Cheap flights from Maryland to Dulles Intl (IAD)

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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Maryland to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Maryland to Dulles Intl

Keep the following information in mind while searching for Maryland to Dulles Intl flight deals. Data was last updated February 22, 2025.

Round-trip from

One-way from

Find flight deals from Maryland to Dulles Intl

Cheapest flights from Maryland to Dulles IntlExplore the most affordable flight options available from Maryland to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2025.

Explore the most affordable flight options available from Maryland to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2025.

Find flights from Maryland to Dulles Intl within your budget

Best time to book a flight from Maryland to Dulles Intl

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

Travel insights for flights from Maryland to Dulles Intl

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

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

Related info for your journey

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

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

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

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

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

Traveling to a place near Maryland?

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Cheapest flights from Maryland to Dulles Intl
Explore the most affordable flight options available from Maryland to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2025.