$29 Cheap Flights from Washington (IAD) to Miami (MIA)

View $29 flight on Mon, Jan 26, 2026Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Miami Intl. Airport (MIA)

Cheap Flights from Washington to Miami (IAD-MIA)

Prices were available within the past 7 days and start at $29 for one-way flights and $47 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Dec 15 - Fri, Dec 19
IAD
Washington
MIA
Miami
$47 Roundtrip, just found
$47
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Dec 15 from Washington to Miami, returning Fri, Dec 19, priced at $47 just found
Frontier Airlines
Sat, Jan 17 - Fri, Jan 23
IAD
Washington
MIA
Miami
$54 Roundtrip, found 1 hour ago
$54
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sat, Jan 17 from Washington to Miami, returning Fri, Jan 23, priced at $54 found 1 hour ago
Frontier Airlines
Mon, Dec 15 - Mon, Dec 22
IAD
Washington
MIA
Miami
$57 Roundtrip, just found
$57
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Dec 15 from Washington to Miami, returning Mon, Dec 22, priced at $57 just found
Frontier Airlines
Mon, Nov 10 - Thu, Nov 13
IAD
Washington
MIA
Miami
$59 Roundtrip, found 1 hour ago
$59
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Mon, Nov 10 from Washington to Miami, returning Thu, Nov 13, priced at $59 found 1 hour ago
Frontier Airlines
Mon, Nov 17 - Mon, Nov 24
IAD
Washington
MIA
Miami
$64 Roundtrip, just found
$64
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Nov 17 from Washington to Miami, returning Mon, Nov 24, priced at $64 just found
Frontier Airlines
Mon, Nov 3 - Fri, Nov 14
IAD
Washington
MIA
Miami
$66 Roundtrip, found 2 hours ago
$66
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Mon, Nov 3 from Washington to Miami, returning Fri, Nov 14, priced at $66 found 2 hours ago
Frontier Airlines
Sat, Jan 10 - Thu, Jan 15
IAD
Washington
MIA
Miami
$67 Roundtrip, found 3 hours ago
$67
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Sat, Jan 10 from Washington to Miami, returning Thu, Jan 15, priced at $67 found 3 hours ago
United
Mon, Dec 15 - Fri, Dec 19
IAD
Washington
MIA
Miami
$84 Roundtrip, just found
$84
Roundtrip
just found
Select United flight, departing Mon, Dec 15 from Washington to Miami, returning Fri, Dec 19, priced at $84 just found
American Airlines
Sat, Dec 6 - Sat, Dec 13
IAD
Washington
MIA
Miami
$251 Roundtrip, just found
$251
Roundtrip
just found
Select American Airlines flight, departing Sat, Dec 6 from Washington to Miami, returning Sat, Dec 13, priced at $251 just found
Delta
Sat, Nov 15 - Wed, Nov 19
IAD
Washington
MIA
Miami
$268 Roundtrip, found 5 hours ago
$268
Roundtrip
found 5 hours ago
Select Delta flight, departing Sat, Nov 15 from Washington to Miami, returning Wed, Nov 19, priced at $268 found 5 hours ago

Find the cheapest month to fly from Washington (IAD) to Miami (MIA)

September is typically the cheapest month to fly

From $78 - $150 per traveler.

Alternative airports near Miami

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Fort Lauderdale - Hollywood Intl. FLL. Average driving time to city center is 32 minutes. Flights from $120
FLL
Fort Lauderdale - Hollywood Intl.
Average driving time to city center32 min
Flights from $120

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Miami Intl. Airport (MIA) cost?
Secure a cheap one-way flight from $29 or cheap return flight from $47 from Washington Dulles Intl. Airport (IAD) to Miami Intl. Airport (MIA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Miami Intl. Airport (MIA)?
Planning your getaway for December is a great way to save, as it's the cheapest month for flights between IAD and MIA. You'll typically find the lowest fares during the off-season.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to Miami Intl. Airport (MIA)?
When departing from Washington Dulles Intl. Airport (IAD), you can hop on a nonstop flight to Miami Intl. Airport (MIA) with United Airlines.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Miami Intl. Airport (MIA)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll take you from IAD to MIA. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Miami Intl. Airport (MIA)?
On average, there is just 1 nonstop flight operating from Washington Dulles Intl. Airport (IAD) to Miami Intl. Airport (MIA) per day. If this isn't convenient for you, think about flights with a layover. Simply filter your search on Expedia to include one or more stops to find the next best option.
What are the most popular departure times for flights from Washington Dulles Intl. Airport (IAD) to Miami Intl. Airport (MIA)?
More passengers fly between IAD and MIA at 5 PM than at any other time. Prefer a quieter experience? Try choosing a quieter departure window and you're likely to save on your fare as well.
What day of the week has the most flights from IAD to MIA?
Friday has the most flights from Washington Dulles Intl. Airport (IAD) to Miami Intl. Airport (MIA). Consider jetting off on this day and you'll have a greater chance of finding a departure that fits your schedule.
What is the earliest flight from Washington Dulles Intl. Airport (IAD) to Miami Intl. Airport (MIA)?
The earliest flight leaving from Washington Dulles Intl. Airport (IAD) is at around 8:45AM UTC-5. Hop on this flight and you'll reach Miami Intl. Airport (MIA) at approximately 11:43AM UTC-5. The total travel time is 2h 58m.
How long does it take to fly from Washington Dulles Intl. Airport (IAD) to Miami Intl. Airport (MIA)?
The average flight time from IAD to MIA is 2 hours and 58 minutes, covering a distance of 920 mi.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Miami Intl. Airport (MIA)?
To arrive at Miami Intl. Airport (MIA) on schedule, choose a flight that leaves Washington Dulles Intl. Airport (IAD) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Miami from Washington Dulles Intl. Airport (IAD)?
You can land at Miami Intl. Airport (MIA) or Fort Lauderdale - Hollywood Intl. Airport (FLL) when you travel to Miami on a direct flight from Washington Dulles Intl. Airport (IAD).
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to Miami Intl. Airport (MIA) last-minute?
Last-minute bookings from IAD to MIA are generally more expensive. For the lowest prices, start searching for flights as early as possible. That said, if you can play around with your travel dates, it's possible to score a cheap ticket just before your departure.
Is it cheaper to book an IAD to MIA flight and hotel package?
Compared with arranging hotels and flights separately, booking an IAD to MIA flight and hotel package with Expedia could result in significant savings. What's more, managing everything in one place takes the hassle out of travel planning. Simply pick your flights and choose from our extensive range of stays, then customize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Miami Intl. Airport (MIA)?
Typically, you can reschedule or cancel your IAD to MIA flight. However, there may be additional fees, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you need further details, head to our Customer Service portal.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Miami Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, United
Roundtrip price
$47
Distance
923 mi
Average flight time
3 hours 49 mins

Book with confidence

Washington to Miami Flights

The cheapest times to fly from Washington to Miami

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Miami are during the month of December. You can find some of the cheapest flights from Washington to Miami with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Miami

Sunday is one of the best days to book for cheap flights from Washington to Miami: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Miami

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Miami in 2025. You can also book with separate airlines for your outbound and return journeys, from $29 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Miami flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Miami airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Washington to Miami Flights

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*Available to One Key members.