$90 Cheap United flights Miami (MIA) to Washington (IAD)

Scoring cheap one-way United Airlines flights from MIA to IAD from $90 on Expedia is easy — just filter by “Price (lowest to highest).” Alternatively, check out our budget-friendly return fares from $148 for your next exciting adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

January is one of the least expensive months to jet away to Washington with United Airlines. You could also find excellent prices on one-way and round-trip fares in February.

To find cheap United Airlines fares from Miami Intl. Airport (MIA) to Washington Dulles Intl. Airport (IAD), start searching one to three months before your intended departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact what you pay. Sunday tends to be the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your flight on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Easily travel from Miami Intl. Airport (MIA) to Washington Dulles Intl. Airport (IAD) on any of United Airlines’s 12 weekly direct flights. Apply Expedia’s “Nonstop” and “Airline” filters to find the United Airlines flight that’ll land at IAD at a time that suits you.

It takes around 2h 37m to fly nonstop from Miami Intl. Airport (MIA) to Washington Dulles Intl. Airport (IAD) with United Airlines.

United Airlines operates the most flights from Miami Intl. Airport (MIA) to Washington Dulles Intl. Airport (IAD) on Wednesday. With up to 2 daily departures, you’ll get the most options and flexibility on this day.

The earliest United Airlines flight from MIA to IAD departs at 9:00AM UTC-5, landing at 11:40AM UTC-5. If you want to set off later, the last United Airlines flight leaves MIA at 1:30PM UTC-5 and touches down at IAD at 4:06PM UTC-5. Flying early is generally a smart choice as morning and mid-morning flights are less likely to be canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

United Airlines flights from Miami Intl. Airport (MIA) to Washington land at Washington Dulles Intl. Airport (IAD), Ronald Reagan Washington National Airport (DCA) and Baltimore Washington Intl. Thurgood Marshall Airport (BWI). The primary Washington gateway for this airline is IAD. It’s always worth considering flights arriving at other nearby airports on Expedia as they may have cheaper tickets.

Depart from MIA to IAD with United Airlines and you’ll enjoy a range of perks including a rewarding loyalty program. When booking through Expedia as a United Mileage Plus and One Key™ member, you could also earn OneKeyCash™* to use on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Book a United Airlines flight from Miami Intl. Airport (MIA) to Washington Dulles Intl. Airport (IAD), and you’ll probably be on a Boeing 737-800. Bear in mind though, that the aircraft type can vary due to operational reasons.

It’s generally possible to modify or cancel your flight, although there may be additional charges if you made your booking over 24 hours ago. Want to keep your options open? Make use of Expedia’s “Changes included” and “No cancel fee” filters to find flights that won’t charge extra if you have to adjust your plans. To modify your booking, head to “Trips,” select your flight and click on “Manage Booking” for further information.