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

Currently priced at $112, 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. Check Cheapflights for deals on United Airlines for as low as $179. These flights start at 62% 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 Frontier, which is currently one of the cheapest options available, starting at $58. United Airlines flights start at $74 while deals on American Airlines start at $125 one-way.

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.

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).

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 $263, 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 $139 for that flight.

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 (87%), Frontier (48%), United Airlines (43%).

What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Miami?

American Airlines, JetBlue and Delta are the most popular airlines when flying from Washington, D.C. Dulles Intl Airport to Miami.

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

Flying to your destination on a Thursday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Miami. Check prices with Cheapflights to find a great deal for your trip.

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

February is one of the best times of the year to fly to Miami from Washington, D.C. Dulles Intl Airport. Prices for February average $221 per person but you can even find prices for as low as $41. The most expensive prices can be found in the month of December. Opting for a February flight can save you 50% on your journey compared to booking in December

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.

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.

$58+ Flights from Washington, D.C. Dulles Intl Airport to Miami

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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 85 days in advance, depart on a Monday or Sunday and return on a Friday

Cheap flight deals from Dulles Intl to Miami

Round-trip from	$112 (Cheapflightsfares)
One-way from	$58 (Cheapflightsfares)
Popular in	April
Cheapest in	June
Average price	$190
Good round-trip deal	$130 or less
Good one-way deal	$80 or less

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. 11% potential increase in price ($38 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($13 potential savings vs. average RT price).

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Average for round-trip flights in July 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 July 18, 2025.

Fri 10/173:00 pmIAD - MIA

Nonstop2h 47mFrontier

Mon 10/2011:41 amMIA - IAD

Nonstop2h 34mFrontier

Deal found 7/17

$112

Mon 7/219:00 amIAD - MIA

Nonstop2h 49mUnited Airlines

Thu 7/241:35 pmMIA - IAD

Nonstop2h 40mUnited Airlines

Deal found 7/16

$147

Best flights from Dulles Intl to Miami
Discover carefully curated flight deals from Dulles Intl to Miami that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 18, 2025.

Fri 10/173:00 pmIAD - MIA

Nonstop2h 47mFrontier

Mon 10/2011:41 amMIA - IAD

Nonstop2h 34mFrontier

Deal found 7/16

$112

Mon 8/258:30 amIAD - MIA

Nonstop2h 50mUnited Airlines

Wed 8/2712:50 pmMIA - IAD

Nonstop2h 35mUnited Airlines

Deal found 7/15

$179

Last-minute flights from Dulles Intl to Miami
Discover last-minute flight deals from Dulles Intl to Miami. Data last updated July 18, 2025 and is based on user searches.

Mon 7/219:00 amIAD - MIA

Nonstop2h 49mUnited Airlines

Thu 7/241:35 pmMIA - IAD

Nonstop2h 40mUnited Airlines

Deal found 7/16

$147

Wed 7/239:00 amIAD - MIA

Nonstop2h 49mUnited Airlines

Thu 7/241:35 pmMIA - IAD

Nonstop2h 40mUnited Airlines

Deal found 7/16

$147

Sat 7/267:25 pmIAD - MIA

Nonstop2h 47mFrontier

Sat 8/23:50 pmMIA - IAD

Nonstop2h 38mFrontier

Deal found 7/17

$148

Thu 8/218:19 pmIAD - MIA

Nonstop2h 47mFrontier

Sun 8/244:34 pmMIA - IAD

Nonstop2h 50mFrontier

Deal found 7/17

$127

One-way flights from Dulles Intl to Miami
Search for one-way flight options from Dulles Intl to Miami. Find affordable one-way fares based on user searches. Data last updated July 18, 2025.

Fri 10/103:00 pmIAD - MIA

Nonstop2h 47mFrontier

Deal found 7/16

$58

Sun 8/179:00 amIAD - MIA

Nonstop2h 49mUnited Airlines

Deal found 7/15

$74

Sat 8/169:15 pmIAD - MIA

1 stop12h 49mMultiple Airlines

Deal found 7/16

$91

Wed 10/152:18 pmIAD - MIA

1 stop7h 08mAmerican Airlines

Deal found 7/16

$125

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Thu 8/21

8:19 pm-11:06 pm

Nonstop2h 47m

Miami

Sun 8/24

4:34 pm-7:24 pm

Nonstop2h 50m

$127

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Mon 7/21

9:00 am-11:49 am

Nonstop2h 49m

Miami

Thu 7/24

1:35 pm-4:15 pm

Nonstop2h 40m

$147

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Fri 10/10

3:00 pm-5:47 pm

Nonstop2h 47m

$58

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Sun 8/17

9:00 am-11:49 am

Nonstop2h 49m

$74

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Sat 8/16

9:15 pm-10:04 am

1 stop12h 49m

$91

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Wed 10/15

2:18 pm-9:26 pm

1 stop7h 08m

$125

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/16

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

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.

MIA

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

Our travel experts

Ramsey Qubein

Expert on MIA and IAD

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?

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 85 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?

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 72% 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?

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Miami flight should consider departing on Sunday evenings 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

Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Miami, such as United Airlines, American Airlines, and Frontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,864 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

8,864 reviews

United Airlines

7.4

Good

8,864 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

8,864 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!

Frontier

5.9

Fair

3,250 reviews

United Airlines

7.4

Good

8,864 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

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.
What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Miami round-trip?
Currently priced at $112, 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. Check Cheapflights for deals on United Airlines for as low as $179. These flights start at 62% 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 Frontier, which is currently one of the cheapest options available, starting at $58. United Airlines flights start at $74 while deals on American Airlines start at $125 one-way.
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 (87%), Frontier (48%), United Airlines (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 $263, 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 $139 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

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Other flights to Miami

Top 6 airlines flying from Dulles Intl to Miami

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$73	Average$178	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$78	Average$155	FlexibilityNo cancel fee	On-time62%
JetBlue	Cheapest$97	Average$336	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$139	Average$394	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$166	Average$353	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$254	Average$394	FlexibilityNo cancel fee	On-time71%

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$58+ 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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Miami with Cheapflights

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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 85 days in advance, depart on a Monday or Sunday and return on a Friday

Cheap flight deals from Dulles Intl to Miami

Round-trip from

One-way from

Popular in

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Average price

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Good one-way deal

Find flight deals from Dulles Intl to Miami

Cheapest flights from Dulles Intl to MiamiExplore 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 July 18, 2025.

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 July 18, 2025.

Cheapflights Fare Finder

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

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

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

Airports

IAD

MIA

Our travel experts

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.

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 July 11, 2025.

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

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 July 18, 2025.

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 July 13, 2025.

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 July 18, 2025.

Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Miami, such as United Airlines, American Airlines, and Frontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

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

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

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

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

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

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Alternative routes for Dulles Intl to Miami

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Top 6 airlines flying from Dulles Intl to Miami

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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 July 18, 2025.