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Dulles Intl

$84+ Cheap flights from Miami (MIA) to Dulles Intl (IAD)

MIA — IAD
Nov 25 — Dec 21
Wed 11/25
Wed 12/2
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Miami to Washington, D.C. Dulles Intl are usually found in January or November, booked 63 days in advance, depart on a Friday or Saturday and return on a Monday

Cheap flight deals from Miami to Dulles Intl

Cheapest flights from Miami to Dulles Intl

Thu 12/37:10 am -
1 stop7h 39m
Sat 12/510:35 pm -
1 stop14h 07m
Deal found 10/22$132
Fri 12/47:10 am -
1 stop7h 39m
Sun 12/610:35 pm -
1 stop14h 07m
Deal found 10/26$133
Thu 11/124:18 pm -
1 stop7h 25m
Mon 11/169:06 pm -
1 stop13h 23m
Deal found 10/21$134
Sat 11/148:00 am -
1 stop8h 18m
Mon 11/1612:35 pm -
1 stop6h 12m
Deal found 10/21$135
Tue 11/105:10 am -
1 stop12h 02m
Wed 11/116:07 pm -
1 stop16h 22m
Deal found 10/21$136
Sat 11/214:42 pm -
Nonstop2h 45m
Sat 11/288:22 pm -
Nonstop3h 01m
Deal found 10/22$137
Sat 11/711:45 am -
1 stop5h 27m
Mon 11/97:32 am -
1 stop7h 41m
Deal found 10/22$138
Thu 11/124:18 pm -
1 stop7h 25m
Sun 11/157:32 am -
1 stop13h 41m
Deal found 10/22$139
Thu 11/194:18 pm -
1 stop7h 25m
Thu 11/266:50 am -
1 stop8h 40m
Deal found 10/22$140
Wed 11/115:10 am -
1 stop12h 02m
Sat 11/1412:33 pm -
1 stop9h 34m
Deal found 10/25$141
Fri 11/134:18 pm -
1 stop7h 25m
Sun 11/157:32 am -
1 stop13h 41m
Deal found 10/22$142
Sat 12/59:00 am -
Nonstop2h 39m
Mon 12/148:40 am -
Nonstop2h 53m
Deal found 10/23$143

Find flight deals from Miami to Dulles Intl

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$132
(Kiwi.com)

One-way from

$84
(Trip.com)

Popular in

August

Cheapest in

January

Average price

$223

Good round-trip deal

$214 or less

Good one-way deal

$223 or less
Provider with most accurate pricing for Miami-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Miami-Washington, D.C. Dulles Intl flights.
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From Miami to Washington, D.C. Dulles Intl
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One-way flight from Miami to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 35% potential increase in price ($147 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
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Price to beat on a round-trip flight from Miami to Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from Miami to Washington, D.C. Dulles Intl.
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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MiamiWashington, D.C.

MIA Miami - IAD Washington, D.C. Dulles Intl

MIAIAD

Miami

Fri 12/4

1:30 pm-4:06 pm

Nonstop2h 36m

Washington, D.C. Dulles Intl

Sun 12/6

8:40 am-11:33 am

Nonstop2h 53m

$150

MiamiWashington, D.C.

MIA Miami - IAD Washington, D.C. Dulles Intl

MIAIAD

Miami

Fri 11/13

7:45 pm-12:41 am

1 stop4h 56m

Washington, D.C. Dulles Intl

Sun 11/15

6:00 am-11:46 am

1 stop5h 46m

$170

MiamiWashington, D.C.

MIA Miami - IAD Washington, D.C. Dulles Intl

MIAIAD

Miami

Fri 11/13

1:52 pm-9:27 pm

1 stop7h 35m

Washington, D.C. Dulles Intl

Sun 11/15

7:23 pm-10:16 pm

Nonstop2h 53m

$178

MiamiWashington, D.C.

MIA Miami - IAD Washington, D.C. Dulles Intl

MIAIAD

Miami

Fri 12/4

1:30 pm-4:06 pm

Nonstop2h 36m

Washington, D.C. Dulles Intl

Mon 12/7

8:40 am-11:33 am

Nonstop2h 53m

$209

MiamiWashington, D.C.

MIA Miami - IAD Washington, D.C. Dulles Intl

MIAIAD

Miami

Thu 12/3

1:30 pm-4:06 pm

Nonstop2h 36m

Washington, D.C. Dulles Intl

Mon 12/7

6:45 pm-9:38 pm

Nonstop2h 53m

$209

MiamiWashington, D.C.

MIA Miami - IAD Washington, D.C. Dulles Intl

MIAIAD

Miami

Sat 11/28

8:44 am-11:22 am

Nonstop2h 38m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$214

MiamiWashington, D.C.

MIA Miami - IAD Washington, D.C. Dulles Intl

MIAIAD

Miami

Sat 1/9

8:50 am-11:32 am

Nonstop2h 42m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$214

MiamiWashington, D.C.

MIA Miami - IAD Washington, D.C. Dulles Intl

MIAIAD

Miami

Fri 1/8

8:50 am-11:32 am

Nonstop2h 42m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$214
Quickest round-trip

MiamiWashington, D.C.

MIA Miami - IAD Washington, D.C. Dulles Intl

MIAIAD

Miami

Thu 11/12

1:25 pm-4:01 pm

Nonstop2h 36m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$240

MiamiWashington, D.C.

MIA Miami - IAD Washington, D.C. Dulles Intl

MIAIAD

Miami

Fri 11/13

9:00 am-11:38 am

Nonstop2h 38m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$244

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Compare providers for flights from Miami to Dulles Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Miami to Dulles Intl in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
Super.comPrice Accuracy-Trust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Miami-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Miami-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Miami-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Miami-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Miami-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Miami to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Miami with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

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

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

The price you pay for your flight from Miami to Washington, D.C. Dulles Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 61 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Miami to Washington, D.C. Dulles Intl Airport (average of $131). Flying from Miami to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of $449). 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 MIA to IAD?

Unlike at noon, when flights are generally more expensive, you can save up to 80% on flights from Miami to Washington, D.C. Dulles Intl Airport by exploring options for tickets in the morning.

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

Airfare is typical for this route at the moment.

Miami to Washington, D.C. Dulles Intl Airport flights typically cost between $100 and $300 in December.
The cheapest round-trip price found within the last 5 days was $132 on Frontier (Dec 3-Dec 5).

The best insider tips for Miami to Washington, D.C. Dulles Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your Miami to Washington, D.C. Dulles Intl Airport trip
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on MIA and IAD

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Reviews of airlines servicing Dulles Intl

See what other customers who have flown with United Airlines and Frontier from Miami to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.3
Good
10,444 reviews

Food

6.7

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.3

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.3
Good
10,444 reviews
United Airlines
7.3
Good
10,444 reviews

Food

6.7

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.3

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Frontier
5.5
Fair
2,515 reviews
United Airlines
7.3
Good
10,444 reviews

Food

6.7

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.3

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

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

    Miami (MIA), located 6.1 mi from the city center, is the airport you fly out of when you book flights from Miami to Washington, D.C. Dulles Intl. 2 airlines have flights from Miami to Washington, D.C. Dulles Intl on a regular basis. Booking flights from Miami to Washington, D.C. Dulles Intl should not be difficult; the airport handles an average of 2 outbound flights to Washington, D.C. Dulles Intl per day.

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

    Departing from Miami to Washington, D.C. Dulles Intl Airport will take you 2h 36m. Airlines will cover a distance of 923 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Flying on Frontier is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at $34. Another option worth looking into is United Airlines, starting at $127 round trip. These flights start at 87% lower than the current average price 3 months from now.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $30. JetBlue flights start at $88 while deals on United Airlines start at $90 one-way.

  • What are the most reliable airlines from Miami to Washington, D.C. Dulles Intl Airport?

    Consider Copa Airlines (82%), United Airlines (82%) or Sun Country Air (0%) when booking your flight. These represent the most reliable airlines when flying from Miami to Washington, D.C. Dulles Intl Airport.

  • What are the cheapest flights from Miami to Washington, D.C. Dulles Intl Airport?

    On average you can expect to pay $304 for a flight from Miami to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $63 while the most popular route, (Miami - Washington, D.C. Dulles Intl) is currently priced at $81.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Miami to Washington, D.C. Dulles Intl Airport (average of $131). Flying from Miami to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of $449). 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

Traveling 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
Alexandria
Chantilly
Woodbridge
Arlington
Owings Mills
Sterling
Lanham
Reston
Herndon
Hyattsville
Rockville
Springfield
Fredericksburg
Tysons
Falls Church
Towson
Silver Spring
Oxon Hill
Laurel
Clinton

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Miami to Dulles Intl

Orlando to Dulles Intl flights
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Gainesville to Dulles Intl flights
Gainesville to Baltimore flights
Gainesville to Reagan-National flights
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Valdosta to Reagan-National flights
Valdosta to Dulles Intl flights

Top 2 airlines flying from Miami to Dulles Intl

AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$34Average$119FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$127Average$285FlexibilityNo cancel feeOn-time69%

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