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Cheap Flights from Miami International to Washington Dulles

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      Compare Miami International to Washington Dulles flight deals

      Find the cheapest month or even day of the year to fly to Washington Dulles

      Book the best Washington Dulles fare with no extra fees

      Flight deals from Miami International to Washington Dulles

      Looking for a cheap last-minute deal or the best return flight from Miami International to Washington Dulles? Find the lowest prices on one-way and return tickets right here.
      Washington D.C..$170 per passenger.Departing Fri, 23 May, returning Mon, 26 May.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Miami International on Fri, 23 May, arriving in Washington Dulles.Inbound direct flight with Frontier Airlines departs from Washington Dulles on Mon, 26 May, arriving in Miami International.Price includes taxes and charges.From $170, select.
      Washington D.C..$184 per passenger.Departing Thu, 5 Jun, returning Sun, 8 Jun.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Miami International on Thu, 5 Jun, arriving in Washington Dulles.Inbound direct flight with Frontier Airlines departs from Washington Dulles on Sun, 8 Jun, arriving in Miami International.Price includes taxes and charges.From $184, select.
      Washington D.C..$201 per passenger.Departing Thu, 29 May, returning Sun, 1 Jun.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Miami International on Thu, 29 May, arriving in Washington Dulles.Inbound direct flight with Frontier Airlines departs from Washington Dulles on Sun, 1 Jun, arriving in Miami International.Price includes taxes and charges.From $201, select.
      Washington D.C..$311 per passenger.Departing Tue, 1 Jul, returning Tue, 15 Jul.Return flight with United.Outbound direct flight with United departs from Miami International on Tue, 1 Jul, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Tue, 15 Jul, arriving in Miami International.Price includes taxes and charges.From $311, select.
      Washington D.C..$311 per passenger.Departing Wed, 11 Jun, returning Wed, 2 Jul.Return flight with United.Outbound direct flight with United departs from Miami International on Wed, 11 Jun, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Wed, 2 Jul, arriving in Miami International.Price includes taxes and charges.From $311, select.
      Washington D.C..$318 per passenger.Departing Wed, 9 Jul, returning Tue, 5 Aug.Return flight with United.Outbound direct flight with United departs from Miami International on Wed, 9 Jul, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Tue, 5 Aug, arriving in Miami International.Price includes taxes and charges.From $318, select.
      Washington D.C..$318 per passenger.Departing Wed, 14 May, returning Wed, 30 Jul.Return flight with United.Outbound direct flight with United departs from Miami International on Wed, 14 May, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Wed, 30 Jul, arriving in Miami International.Price includes taxes and charges.From $318, select.
      Washington D.C..$335 per passenger.Departing Fri, 12 Sep, returning Sun, 14 Sep.Return flight with United.Outbound direct flight with United departs from Miami International on Fri, 12 Sep, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Sun, 14 Sep, arriving in Miami International.Price includes taxes and charges.From $335, select.

      Find the cheapest month to fly from Miami International to Washington Dulles

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Miami International to Washington Dulles flights are currently cheapest in May.
      Apr
      from $407
      May
      from $170
      Jun
      from $184
      Jul
      from $311
      Aug
      from $375
      Sep
      from $335
      Oct
      from $433
      Nov
      from $1,206
      Dec
      from $739
      Jan
      from $512
      Feb
      Find prices
      Mar
      Find prices

      Direct flights from Miami International to Washington Dulles

      Miami International to Washington Dulles: Alternative routes

      Compare routes from Miami International to Washington D.C. below. You may find an airport to fly into that's cheaper, faster, or easier than Washington Dulles.

      Miami to Washington D.C.: Flight information

      The things to know before you go.
      Cheapest flight found$168
      Cheapest month to flyMay
      Average flight time2 hrs, 40 mins
      Most popular airlineUnited
      Average flights per week21

      Finding cheap flights from Miami International to Washington Dulles: Frequently asked questions

      The best price we found for a return flight from Miami International to Washington Dulles is $168. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      2 hours and 40 minutes is the average flight time from Miami International to Washington Dulles.
      United, Copa and Frontier Airlines fly direct from Miami International to Washington Dulles.
      As of April 2025, there are 21 flights per week flying from Miami International to Washington Dulles.
      The cheapest month to fly from Miami International to Washington Dulles is usually April 2025.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Miami International Airport to Washington Dulles Airport on Friday, 23 May 2025.
      Yes – the average flight time is 2 hours and 40 minutes.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Washington Dulles but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.
      Currently, Frontier Airlines offers the cheapest flight tickets to Washington Dulles.

      Flying from Miami International Airport (MIA) to Washington Dulles International Airport (IAD): what you need to know

      • Around 2 hours 35 minutes is how long you can expect to be in the air on a direct flight from Miami International Airport to Washington Dulles International Airport.

      • Miami and Washington DC are in the UTC-4 timezone. This means you won't need to account for any time differences.

      • Choose from 11 weekly Miami International Airport to Washington Dulles International Airport flights. The 08:50 departure with United Airlines is the earliest flight you can take. United Airlines operates the last service of the day at 13:47.

      • Get to the airport on time so you don't miss your MIA to IAD flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid sprinting to your gate.

      • You can expect bigger queues during popular months such as July. Arriving up to four hours in advance for international flights and two hours for domestic departures is a smart move.

      • United Airlines is your gateway to discovering Washington DC (and maybe even some other great parts of United States!). Check out the direct flights from Miami International Airport to Washington Dulles International Airport offered by this popular carrier.

      • The majority of travellers choose to travel with United Airlines on this route.

      • With a reliable 83.9% of services arriving on schedule, United Airlines has the best on-time record for MIA to IAD flights.

      • If you'd like to break up your flight, simply deselect 'Direct flights only' when searching for your ticket from Miami International Airport to Washington Dulles International Airport. These are the most popular stopovers between MIA and IAD:

        • Hartsfield-Jackson Atlanta International Airport

        • Jacksonville International Airport

        • Orlando International Airport

      How to find the cheapest flights from Miami International Airport (MIA) to Washington Dulles International Airport (IAD)

      • $84 is the best price for a one-way Miami International Airport to Washington Dulles International Airport flight. A return flight starts from $168. These fares can change based on demand.

      • Book six months before travelling. After looking at the numbers on our calendar, this is how far you'll want to book ahead to find cheap tickets from MIA to IAD.

      • May is the cheapest month for flights from Miami International Airport to Washington Dulles International Airport. If you need to travel during a different time of year, the 'Whole month' tool will give you the lowest prices for each month.

      • Spend less time searching for cheap flights from MIA to IAD by setting up a Price Alert. We'll send you an email or notification through the app when a new discounted fare appears.

      • Tailor your trip using filters. Choose your departure and arrival times, airlines and total journey duration. You can also sort the results by 'Cheapest,' 'Fastest' or 'Best' flights from Miami International Airport to Washington Dulles International Airport.

      Handy information about Miami International Airport (MIA)

      • MIA is located at 4200 N.W. 21 Street.

      • When it comes to the on-time performance of Miami International Airport, data shows 76.14% of flights stick to their scheduled arrival time.

      • Central Miami to Miami International Airport is approximately 16 kilometres. Depending on traffic, it'll take you about 20 minutes to get there if you're ride-sharing, catching a cab or driving.

      • Expect a trip time of about 1 hour 20 minutes when using public transport.

      • Get your break off to a relaxed start by staying near MIA. Whether you've booked an early flight from Miami International Airport to Washington Dulles International Airport or want to avoid feeling rushed, these stays have you covered:

      Arriving at Washington Dulles International Airport (IAD)

      Getting from Washington Dulles International Airport (IAD) to central Washington DC

      • You'll find IAD at 1 Saarinen Circle.

      • From Washington Dulles International Airport, Washington DC is approximately 56 kilometres away. It takes around 50 minutes to reach the centre driving.

      • It'll take around 3 hours 25 minutes if you're using public transport.

      When to fly to Washington Dulles International Airport (IAD)

      • The quietest month for a flight from Miami International Airport to Washington Dulles International Airport is January, while April is the busiest. Choose the best time to visit Washington DC based on whether you prefer a more fast-paced or easygoing experience.

      • When reserving your flight from Miami International Airport to Washington Dulles International Airport, consider the type of weather you like. July is the warmest month in Washington DC, with the temperature ranging from 19ºC to 33ºC.

      • January has average temperatures of between -6ºC and 10ºC. Look for cheap tickets from MIA to IAD sometime then if you'd rather travel in cooler conditions.

      Explore more of United States

      • Washington DC is always a good idea, but there are so many other parts of United States you'll want to see. Around 322 kilometres north-east of Washington DC, a trip to New York will keep your itinerary busy. Don't miss top attractions like Statue of Liberty, Central Park and Empire State Building.

      • If you want to check out another corner of United States, consider Philadelphia, about 193 kilometres north-east of Washington DC. Liberty Bell, Independence Hall and Philadelphia Museum of Art are highlights.

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      Plan the rest of your trip from Miami to Washington D.C.

      Prices shown on this page are estimated lowest prices only. Found in the last 45 days.