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$55+ 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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MIA
Mar 1 — Mar 81
Sat 3/1
Sat 3/8
1 adult, Economy
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The best prices from Washington, D.C. Dulles Intl to Miami are usually found in September or February, booked 45 days in advance, depart on a Tuesday or Sunday 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 February 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$107
(Kiwi.com)

One-way from

$64
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$322

Good round-trip deal

$241 or less

Good one-way deal

$98 or less
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Miami flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Miami flights.
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From Washington, D.C. Dulles Intl to Miami
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One-way flight from Washington, D.C. Dulles Intl to Miami
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Highest demand for flights based on searches. 2% potential increase in price ($9 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Miami.
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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Miami.
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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 February 24, 2025.

This Frontier deal was found by Cheapflights users on 2/23. 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.
Mon 6/23:55 pmIAD - MIA
Nonstop2h 40mFrontier
Wed 6/410:45 amMIA - IAD
1 stop9h 46mFrontier
Deal found 2/23$99
This United Airlines deal was found by Cheapflights users on 2/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/35:30 pmIAD - MIA
Nonstop2h 56mUnited Airlines
Tue 3/48:45 amMIA - IAD
Nonstop2h 43mUnited Airlines
Deal found 2/24$127
This Delta deal was found by Cheapflights users on 2/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/227:59 pmIAD - MIA
1 stop22h 55mDelta
Tue 4/17:34 amMIA - IAD
1 stop11h 45mDelta
Deal found 2/22$207
This American Airlines deal was found by Cheapflights users on 2/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/24:35 pmIAD - MIA
1 stop6h 41mAmerican Airlines
Mon 3/39:32 amMIA - IAD
1 stop6h 29mAmerican Airlines
Deal found 2/24$253
This Mytrip deal was found by Cheapflights users on 2/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/215:40 pmIAD - MIA
3 stops23h 25mMultiple Airlines
Tue 3/256:00 pmMIA - IAD
3 stops17h 20mMultiple Airlines
Deal found 2/22$255

Find flights from Dulles Intl to Miami within your budget

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 February 24, 2025.

Fly from

Dulles Intl

Fly to

Miami

Route

Depart

Return

Price

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Mon 3/3

9:13 pm-8:28 am

1 stop11h 15m

Miami

Mon 3/10

10:30 pm-9:09 am

1 stop10h 39m

$100

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Mon 3/3

5:30 pm-8:26 pm

Nonstop2h 56m

Miami

Thu 3/6

8:40 am-11:23 am

Nonstop2h 43m

$127

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Sat 3/22

7:59 pm-6:54 pm

1 stop22h 55m

Miami

Tue 4/1

7:34 am-7:19 pm

1 stop11h 45m

$207

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Sun 3/2

4:35 pm-11:16 pm

1 stop6h 41m

Miami

Mon 3/3

9:32 am-4:01 pm

1 stop6h 29m

$253

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Fri 3/21

5:40 pm-5:05 pm

3 stops23h 25m

Miami

Tue 3/25

6:00 pm-11:20 am

3 stops17h 20m

$255

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Sat 3/8

5:41 pm-12:25 am

1 stop6h 44m

$55

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Wed 3/5

5:30 pm-8:26 pm

Nonstop2h 56m

$64

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Mon 4/7

5:40 pm-6:33 pm

3 stops24h 53m

$114

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Wed 3/5

9:12 am-4:44 pm

1 stop7h 32m

$127

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Sun 3/9

12:15 pm-10:10 am

1 stop21h 55m

$128

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/23

Showing 1-10 of 12 results
1
2

Compare providers for flights from Dulles Intl to Miami

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 Dulles Intl to Miami in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*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 Washington, D.C. Dulles Intl Airport-Miami flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Miami flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Miami flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Miami 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 Washington, D.C. Dulles Intl Airport-Miami 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 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.

Travel insights for flights from Dulles Intl to Miami

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

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 February 14, 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 45 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 $231). 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 February 24, 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 28% 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 February 16, 2025.

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

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Miami

Explore weekly flight availability from Dulles Intl to Miami. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 24, 2025.

The most flights from IAD to MIA are scheduled on a Monday (4 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Miami by month

Plan your trip to Miami by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Miami ranges from 1.6 - 9.9 inches per month. September is typically the wettest month, when rainfall can reach 9.9 in. January is typically the driest time to visit Miami when rainfall is around 1.6 in.

Temperature in Miami by month

Plan your trip to Miami by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Miami, 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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 68.0 F).

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 February 24, 2025.
To help decide which airline to fly from Washington, D.C. to Miami, see what other customers have to say about Delta, United Airlines and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,175 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

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.

Delta
8.0
Very good
8,175 reviews
Delta
8.0
Very good
8,175 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

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.

United Airlines
7.4
Good
8,740 reviews
Delta
8.0
Very good
8,175 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

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.

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,175 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

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.

Spirit Airlines
6.3
Okay
8,000 reviews
Delta
8.0
Very good
8,175 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

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.

Frontier
6.0
Okay
3,344 reviews
Delta
8.0
Very good
8,175 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

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 3 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.

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

    Currently priced at $107, Frontier will fly you from Washington, D.C. Dulles Intl Airport to Miami and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Delta - these airlines can fly you to your destination from $127 and $245, respectively. These flights start at 70% lower than the current average price 3 months from now.

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

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $64. Frontier flights start at $69 while deals on American Airlines start at $127 one-way.

  • 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 $662, our data shows the cheapest flight currently is $63. When looking at the most popular route, (Washington, D.C. Dulles Intl - Miami), you can expect to pay $58 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 $231). 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 Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Hollywood
Aventura
Doral
Marathon
Sunny Isles Beach
Sunrise
Miami Springs
Boynton Beach
Deerfield Beach
Hallandale Beach
Coral Gables
Pembroke Pines
Homestead
Hialeah
Lantana
Oakland Park
Florida City
Miami Gardens
Wilton Manors
Coral Springs

Browse thousands of different options on Cheapflights for your next trip

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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.
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Baltimore to Melbourne flights
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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 February 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$57Average$183FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$61Average$164FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$96Average$261FlexibilityNo cancel feeOn-time62%
DeltaCheapest$139Average$381FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$183Average$373FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$224Average$401FlexibilityNo cancel feeOn-time71%
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