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Dulles Intl

$63+ Cheap flights from Miami (MIA) 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — IAD
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
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Cheapflights Tip: The best prices from Miami to Washington, D.C. Dulles Intl are usually found in November or January, booked 20 days in advance, depart on a Friday or Thursday and return on a Monday

Cheap flight deals from Miami to Dulles Intl

Cheapest flights from Miami to Dulles Intl
Explore the most affordable flight options available from Miami to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/277:09 pm
MIA
-
IAD
1 stop14h 25m
Frontier
Mon 3/27:05 pm
IAD
-
MIA
Nonstop2h 52m
Frontier
Deal found 2/9$99
This Booking.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/25:05 am
MIA
-
IAD
1 stop5h 35m
Frontier
Mon 3/27:05 pm
IAD
-
MIA
Nonstop2h 52m
Frontier
Deal found 2/9$103
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/273:26 pm
MIA
-
IAD
Nonstop2h 41m
Frontier
Mon 3/166:20 am
IAD
-
MIA
1 stop11h 33m
Frontier
Deal found 2/8$107
This Super.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/265:05 am
MIA
-
IAD
1 stop5h 28m
Frontier
Mon 3/27:05 pm
IAD
-
MIA
Nonstop2h 52m
Frontier
Deal found 2/11$108
This Super.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:33 pm
MIA
-
IAD
Nonstop2h 45m
Frontier
Sun 4/1210:13 pm
IAD
-
MIA
Nonstop2h 52m
Frontier
Deal found 2/11$111
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/73:12 pm
MIA
-
IAD
1 stop9h 24m
Multiple Airlines
Thu 4/910:13 pm
IAD
-
MIA
Nonstop2h 52m
Multiple Airlines
Deal found 2/9$114
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/273:26 pm
MIA
-
IAD
Nonstop2h 41m
Frontier
Sun 3/111:15 am
IAD
-
MIA
1 stop5h 36m
Frontier
Deal found 2/8$116
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/253:16 pm
MIA
-
IAD
1 stop9h 05m
Frontier
Sat 4/46:31 pm
IAD
-
MIA
Nonstop2h 52m
Frontier
Deal found 2/11$122
This eDestinos deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/612:26 pm
MIA
-
IAD
1 stop12h 10m
Frontier
Sat 5/97:05 am
IAD
-
MIA
1 stop10h 52m
Frontier
Deal found 2/10$124

Find flight deals from Miami to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Miami (MIA) 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 February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$99
(Kiwi.com)

One-way from

$63
(Kiwi.com)

Popular in

March

Cheapest in

November

Average price

$197

Good round-trip deal

$99 or less

Good one-way deal

$169 or less
Provider with most accurate pricing for Miami-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Miami-Washington, D.C. Dulles Intl flights.
Search Deals
From Miami to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Miami to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($49 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Miami to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from Miami to Washington, D.C. Dulles Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Miami 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 2,558,603 searches. Data last updated February 12, 2026.
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

Miami

Fly to

Dulles Intl

Route

Depart

Return

Price

MiamiWashington, D.C.

MIA - IAD

MIAIAD

Miami

Thu 5/7

6:10 pm-9:00 pm

Nonstop2h 50m

Washington, D.C. Dulles Intl

Sun 5/10

1:20 pm-4:16 pm

Nonstop2h 56m

$127

MiamiWashington, D.C.

MIA - IAD

MIAIAD

Miami

Thu 3/5

1:30 pm-4:08 pm

Nonstop2h 38m

Washington, D.C. Dulles Intl

Mon 3/16

8:25 am-11:26 am

Nonstop3h 01m

$147

MiamiWashington, D.C.

MIA - IAD

MIAIAD

Miami

Wed 3/11

6:34 pm-9:24 pm

Nonstop2h 50m

Washington, D.C. Dulles Intl

Wed 3/18

6:00 am-12:03 pm

1 stop6h 03m

$164

MiamiWashington, D.C.

MIA - IAD

MIAIAD

Miami

Thu 5/14

4:50 pm-11:25 pm

1 stop6h 35m

Washington, D.C. Dulles Intl

Sun 5/17

8:40 am-11:36 am

Nonstop2h 56m

$182

MiamiWashington, D.C.

MIA - IAD

MIAIAD

Miami

Tue 2/24

6:35 pm-9:25 pm

Nonstop2h 50m

Washington, D.C. Dulles Intl

Tue 3/3

6:00 am-12:32 pm

1 stop6h 32m

$183

MiamiWashington, D.C.

MIA - IAD

MIAIAD

Miami

Wed 4/22

6:00 pm-8:49 pm

Nonstop2h 49m

Washington, D.C. Dulles Intl

Mon 4/27

8:35 am-11:31 am

Nonstop2h 56m

$197

MiamiWashington, D.C.

MIA - IAD

MIAIAD

Miami

Wed 5/13

1:20 pm-4:03 pm

Nonstop2h 43m

Washington, D.C. Dulles Intl

Tue 5/19

1:20 pm-4:16 pm

Nonstop2h 56m

$207

MiamiWashington, D.C.

MIA - IAD

MIAIAD

Miami

Thu 4/16

4:45 pm-11:25 pm

1 stop6h 40m

Washington, D.C. Dulles Intl

Sun 4/19

8:35 am-11:31 am

Nonstop2h 56m

$209

MiamiWashington, D.C.

MIA - IAD

MIAIAD

Miami

Fri 2/27

6:35 pm-9:25 pm

Nonstop2h 50m

Washington, D.C. Dulles Intl

Mon 3/2

8:15 am-11:16 am

Nonstop3h 01m

$217

MiamiWashington, D.C.

MIA - IAD

MIAIAD

Miami

Wed 2/25

6:35 pm-9:25 pm

Nonstop2h 50m

Washington, D.C. Dulles Intl

Mon 3/9

8:25 am-11:26 am

Nonstop3h 01m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Showing 1-10 of 21 results
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Compare providers for flights from Miami to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
MytripPrice 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
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 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?

Use this chart to determine the optimal time to book a round-trip flight from Miami to Dulles Intl. Price data was last updated on February 6, 2026.

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 20 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, December is the cheapest month in which you can book a flight from Miami to Washington, D.C. Dulles Intl Airport (average of $29). Flying from Miami to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $116). 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?

Find hourly flight availability from Miami 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 February 12, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Miami to Washington, D.C. Dulles Intl Airport as you normally would.

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

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

AI-powered summary based on content written by travel experts. AI can make mistakes.
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

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 February 12, 2026.
See what other customers who have flown with United Airlines, American 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
7.4
Good
9,281 reviews

Crew

8.1

Overall

7.4

Food

6.6

Boarding

7.7

Entertainment

7.1

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
7.4
Good
9,281 reviews
United Airlines
7.4
Good
9,281 reviews

Crew

8.1

Overall

7.4

Food

6.6

Boarding

7.7

Entertainment

7.1

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
American Airlines
7.2
Good
11,271 reviews
United Airlines
7.4
Good
9,281 reviews

Crew

8.1

Overall

7.4

Food

6.6

Boarding

7.7

Entertainment

7.1

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
5.7
Fair
3,052 reviews
United Airlines
7.4
Good
9,281 reviews

Crew

8.1

Overall

7.4

Food

6.6

Boarding

7.7

Entertainment

7.1

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

Find useful and relevant information for your journey from Miami 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 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. 3 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 0 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 50m. Airlines will cover a distance of 923 mi. Most flights are nonstop.

  • 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 $55. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $117 and $250, respectively. These flights start at 68% 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 $34. Spirit Airlines flights start at $46 while deals on United Airlines start at $63 one-way.

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

    Consider Volaris (94%), United Airlines (84%) or Frontier (83%) 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 $296 for a flight from Miami to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $54 while the most popular route, (Miami - Washington, D.C. Dulles Intl) is currently priced at $127.

  • 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, December is the cheapest month in which you can book a flight from Miami to Washington, D.C. Dulles Intl Airport (average of $29). Flying from Miami to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $116). 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
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Laurel
Linthicum Heights
Rockville
Upper Marlboro
Manassas
Bowie
Largo
McLean
Clinton
Towson

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Miami to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Key West to Reagan-National flights
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Melbourne to Baltimore flights
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Valdosta to Baltimore flights

Top 3 airlines flying from Miami to Dulles Intl

Discover the top 3 airlines that operate flights from Miami 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 2,558,603 searches. Data last updated February 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$55Average$141FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$117Average$232FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$250Average$309FlexibilityNo cancel feeOn-time71%

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