Miami

$53+ Cheap flights from Dulles Intl (IAD) to Miami (MIA)

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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MIA
Okt 19 — Okt 261
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Miami are usually found in June or July, booked 26 days in advance, depart on a Thursday or Saturday and return on a Friday

Cheap flight deals from Dulles Intl to Miami

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Miami (MIA). 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 September 19, 2025.

Round-trip from

$97
(Cheapflightsfares)

One-way from

$53
(CheapOair)

Popular in

April

Cheapest in

June

Average price

$185

Good round-trip deal

$110 or less

Good one-way deal

$67 or less
From Washington, D.C. Dulles Intl to Miami
One-way flight from Washington, D.C. Dulles Intl to Miami
Highest demand for flights based on searches. 16% potential increase in price ($53 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($15 potential savings vs. average RT price).
Average for round-trip flights in September 2025
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Miami.
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Miami.

Find flight deals from Dulles Intl to Miami

Cheapest flights from Dulles Intl to Miami
Explore the most affordable flight options available from Dulles Intl to Miami. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Isnin 11/34:04 pmIAD - MIA
Nonstop2h 43mFrontier
Selasa 11/43:06 pmMIA - IAD
1 stop5h 14mFrontier
Deal found 9/17$97
This CheapOair deal was found by Cheapflights users on 9/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Ahad 11/24:04 pmIAD - MIA
Nonstop2h 43mFrontier
Jumaat 11/711:53 amMIA - IAD
Nonstop2h 47mFrontier
Deal found 9/18$100
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Khamis 10/23:15 pmIAD - MIA
Nonstop2h 49mFrontier
Isnin 10/611:35 amMIA - IAD
Nonstop2h 50mFrontier
Deal found 9/17$101
This CheapOair deal was found by Cheapflights users on 9/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Khamis 10/23:15 pmIAD - MIA
Nonstop2h 49mFrontier
Khamis 10/911:34 amMIA - IAD
Nonstop2h 51mFrontier
Deal found 9/17$102
This Kiwi.com deal was found by Cheapflights users on 9/18. 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.
Rabu 10/89:00 amIAD - MIA
1 stop9h 45mFrontier
Sabtu 10/115:47 pmMIA - IAD
1 stop5h 42mFrontier
Deal found 9/18$104
This Frontier deal was found by Cheapflights users on 9/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Jumaat 9/263:15 pmIAD - MIA
Nonstop2h 49mFrontier
Isnin 9/2911:35 amMIA - IAD
Nonstop2h 50mFrontier
Deal found 9/18$108
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Ahad 10/193:10 pmIAD - MIA
Nonstop2h 47mFrontier
Isnin 11/312:22 pmMIA - IAD
Nonstop2h 47mFrontier
Deal found 9/17$110
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Ahad 11/94:00 pmIAD - MIA
Nonstop2h 43mFrontier
Jumaat 11/1411:31 amMIA - IAD
Nonstop2h 47mFrontier
Deal found 9/17$111
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Isnin 11/104:00 pmIAD - MIA
Nonstop2h 43mFrontier
Khamis 11/1312:28 pmMIA - IAD
Nonstop2h 47mFrontier
Deal found 9/17$112
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Jumaat 10/313:49 pmIAD - MIA
Nonstop2h 47mFrontier
Isnin 11/312:22 pmMIA - IAD
Nonstop2h 47mFrontier
Deal found 9/17$113
This Trip.com deal was found by Cheapflights users on 9/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Khamis 10/233:10 pmIAD - MIA
Nonstop2h 47mFrontier
Jumaat 10/2411:34 amMIA - IAD
Nonstop2h 51mFrontier
Deal found 9/18$114

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Miami 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 September 19, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Miami that are best for you.

Fly from

Dulles Intl

Fly to

Miami

Route

Depart

Return

Price

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Jumaat 11/7

5:34 pm-12:34 am

1 stop7h 00m

Miami

Isnin 11/10

7:07 pm-12:11 am

1 stop5h 04m

$144

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Sabtu 10/4

8:25 am-11:16 am

Nonstop2h 51m

Miami

Isnin 10/6

1:15 pm-3:50 pm

Nonstop2h 35m

$148

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Selasa 10/28

8:25 am-11:14 am

Nonstop2h 49m

Miami

Isnin 11/3

4:42 pm-10:58 pm

1 stop6h 16m

$152

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Sabtu 10/4

6:15 am-12:33 pm

1 stop6h 18m

Miami

Selasa 10/7

1:15 pm-3:50 pm

Nonstop2h 35m

$152

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Rabu 10/1

9:15 am-5:15 pm

1 stop8h 00m

Miami

Ahad 10/5

11:35 am-2:25 pm

Nonstop2h 50m

$177

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Isnin 10/13

8:25 am-11:16 am

Nonstop2h 51m

Miami

Rabu 10/15

1:28 pm-9:11 pm

1 stop7h 43m

$177

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Isnin 10/13

8:25 am-11:16 am

Nonstop2h 51m

Miami

Khamis 10/16

1:15 pm-3:50 pm

Nonstop2h 35m

$184

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Sabtu 9/27

8:25 am-11:16 am

Nonstop2h 51m

Miami

Isnin 9/29

1:15 pm-3:50 pm

Nonstop2h 35m

$187

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Ahad 11/16

8:25 am-11:14 am

Nonstop2h 49m

Miami

Rabu 11/19

12:51 pm-3:25 pm

Nonstop2h 34m

$187

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Ahad 10/5

8:25 am-11:16 am

Nonstop2h 51m

Miami

Rabu 10/8

1:15 pm-3:50 pm

Nonstop2h 35m

$187

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 21 results
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The best insider tips for Washington, D.C. Dulles Intl Airport to Miami flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. Dulles Intl Airport to Miami trip
Airports
IAD

For a quick check-in, locate your airline counter on either side of the main terminal's first row.

Read more about IADby Ramsey Qubein
MIA

Use the MIA Mover train to reach the Miami Intermodal Center for rental cars and public transport options.

Read more about MIAby Ramsey Qubein
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on MIA and IAD

Ramsey Qubein

Ramsey Qubein

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

Best time to book a flight from Dulles Intl to Miami

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

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Miami. Price data was last updated on September 12, 2025.

The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Miami may vary depending on when you book. For the best chance of a lower fare, look to book 26 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 Washington, D.C. Dulles Intl Airport to Miami?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Miami (average of $232). Flying from Washington, D.C. Dulles Intl Airport to Miami in March is currently the most expensive (average of $289). 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 IAD to MIA?

Find hourly flight availability from Dulles Intl to Miami. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 19, 2025.

It’s optimal to fly from Washington, D.C. Dulles Intl Airport to Miami at noon. By choosing this option you can save up to 60% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Miami?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Miami. Price data was last updated on September 14, 2025.

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

Reviews of airlines servicing Miami

Get insights into the airlines that provide service to Miami. 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 Miami. Reviews last updated September 19, 2025.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Miami, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.
8.0
Very good
8.0
Very good

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.
8.0
Very good

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.
8.0
Very good

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.
8.0
Very good

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.
8.0
Very good

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.

Related info for your journey

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

    Most people fly into Miami (MIA) if they book a flight to Miami from Washington, D.C. Dulles Intl. On average, Miami has 2 inbound flights from Washington, D.C. Dulles Intl per day from 6 airlines. Miami is conveniently located just 6.1 mi from Miami’s city center.

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

    Airlines like Frontier and United Airlines fly from Washington, D.C. Dulles Intl Airport to Miami in about 2h 51m. The time it takes to get you to your destination can typically vary by up to 4h 09m. Washington, D.C. Dulles Intl Airport and Miami are separated by a distance of 923 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Currently priced at $73, Spirit Airlines will fly you from Washington, D.C. Dulles Intl Airport to Miami and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and JetBlue - these airlines can fly you to your destination from $78 and $97, respectively. These flights start at 74% lower than the current average price 3 months from now.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Dulles Intl Airport to Miami on time: Copa Airlines (93%), United Airlines (93%), Frontier (43%).

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

    While on average a flight from Washington, D.C. Dulles Intl Airport to Miami is generally $490, our data shows the cheapest flight currently is $39. When looking at the most popular route, (Washington, D.C. Dulles Intl - Miami), you can expect to pay $97 for that flight.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Miami (average of $232). Flying from Washington, D.C. Dulles Intl Airport to Miami in March is currently the most expensive (average of $289). 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 Miami?

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Hollywood
Aventura
Coral Gables
Sunny Isles Beach
Marathon
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Plantation
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Sunrise
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Wilton Manors
Hallandale Beach

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Alternative routes for Dulles Intl to Miami

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Dulles Intl to Miami

Discover the top 6 airlines that operate flights from Dulles Intl to Miami. 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 September 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$73Average$183FlexibilityNo cancel feeOn-time65%
FrontierCheapest$78Average$162FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$97Average$431FlexibilityNo cancel feeOn-time62%
DeltaCheapest$139Average$390FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$158Average$350FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$252Average$392FlexibilityNo cancel feeOn-time71%

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