$76+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MIA
Oct 1 — Oct 81
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Dulles Intl to Miami with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Miami are usually found in October or December, booked 8 days in advance, depart on a Monday or Sunday and return on a Friday
Cheap flight deals from Dulles Intl to Miami
Cheapest
Best
Last-minute
One-way
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 September 1, 2026.
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 September 1, 2026.
This Frontier deal was found by Cheapflights users on 8/27. 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.
Sun 12/1311:14 am -
Nonstop2h 55m
Mon 12/217:30 am -
Nonstop2h 42m
Deal found 8/27![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/39:04 pm -
1 stop13h 26m
Mon 10/59:30 pm -
1 stop19h 48m
Deal found 8/28![Frontier logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:50 am -
1 stop7h 34m
Wed 9/235:32 am -
1 stop11h 46m
Deal found 8/27![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:30 pm -
1 stop9h 30m
Thu 10/14:30 pm -
1 stop7h 40m
Deal found 8/27![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:40 am -
1 stop7h 45m
Tue 11/35:05 am -
1 stop12h 07m
Deal found 8/27![Frontier logo]()
$175
This Super.com deal was found by Cheapflights users on 8/31. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/611:14 am -
Nonstop2h 55m
Sun 12/137:30 am -
Nonstop2h 42m
Deal found 8/31![Frontier logo]()
$176
This Frontier deal was found by Cheapflights users on 8/27. 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 9/2112:30 pm -
1 stop9h 47m
Tue 9/225:32 am -
1 stop11h 46m
Deal found 8/27![Frontier logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:30 pm -
1 stop9h 30m
Wed 10/75:32 am -
1 stop11h 46m
Deal found 8/29![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:30 pm -
1 stop9h 30m
Sat 10/105:10 am -
1 stop12h 03m
Deal found 8/27![Frontier logo]()
$181
This Trip.com deal was found by Cheapflights users on 8/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:50 am -
1 stop7h 35m
Fri 10/234:30 pm -
1 stop7h 51m
Deal found 8/28![Frontier logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:06 pm -
1 stop13h 09m
Wed 10/213:23 pm -
1 stop8h 58m
Deal found 8/28![Frontier logo]()
$183
Best flights from Dulles Intl to MiamiDiscover 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 September 1, 2026.
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 September 1, 2026.
This United Airlines deal was found by Cheapflights users on 8/27. 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.
Tue 9/298:25 am -
Nonstop2h 55m
Tue 10/68:54 am -
1 stop7h 29m
Deal found 8/27![United Airlines logo]()
$219
This Delta deal was found by Cheapflights users on 8/29. 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.
Fri 11/135:00 pm -
1 stop5h 22m
Mon 11/168:00 am -
1 stop8h 26m
Deal found 8/29![Delta logo]()
$317
This United Airlines deal was found by Cheapflights users on 8/29. 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.
Sat 10/38:25 am -
Nonstop2h 55m
Wed 10/78:54 am -
1 stop7h 29m
Deal found 8/29![United Airlines logo]()
$219
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Fri 9/255:50 pm -
1 stop5h 54m
Fri 10/21:26 pm -
Nonstop2h 33m
Deal found 8/31![United Airlines logo]()
$307
This United Airlines deal was found by Cheapflights users on 8/29. 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.
Thu 10/18:25 am -
Nonstop2h 55m
Sat 10/101:26 pm -
Nonstop2h 33m
Deal found 8/29![United Airlines logo]()
$312
This United Airlines deal was found by Cheapflights users on 8/31. 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 10/58:25 am -
Nonstop2h 55m
Thu 10/81:26 pm -
Nonstop2h 33m
Deal found 8/31![United Airlines logo]()
$333
This United Airlines deal was found by Cheapflights users on 8/29. 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.
Fri 10/235:50 pm -
1 stop5h 49m
Sun 10/259:00 am -
Nonstop2h 38m
Deal found 8/29![United Airlines logo]()
$335
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Thu 9/108:16 am -
Nonstop2h 55m
Sun 9/131:44 pm -
Nonstop2h 33m
Deal found 8/28![United Airlines logo]()
$353
This United Airlines deal was found by Cheapflights users on 8/29. 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.
Thu 9/178:16 am -
Nonstop2h 55m
Mon 9/211:44 pm -
Nonstop2h 33m
Deal found 8/29![United Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Fri 9/188:16 am -
Nonstop2h 55m
Mon 9/211:44 pm -
Nonstop2h 33m
Deal found 8/31![United Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Thu 10/16:45 am -
1 stop5h 28m
Sun 10/41:26 pm -
Nonstop2h 33m
Deal found 8/28![United Airlines logo]()
$371
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Sun 9/276:45 am -
1 stop5h 28m
Sun 10/41:26 pm -
Nonstop2h 33m
Deal found 8/28![United Airlines logo]()
$384
Last-minute flights from Dulles Intl to MiamiDiscover last-minute flight deals from Dulles Intl to Miami. Data last updated September 1, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Miami. Data last updated September 1, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/169:04 pm -
1 stop13h 26m
Wed 9/235:32 am -
1 stop11h 46m
Deal found 8/27![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:50 am -
1 stop7h 34m
Wed 9/235:32 am -
1 stop11h 46m
Deal found 8/27![Frontier logo]()
$171
This Frontier deal was found by Cheapflights users on 8/27. 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.
Thu 9/177:50 am -
1 stop7h 34m
Fri 9/185:32 am -
1 stop11h 46m
Deal found 8/27![Frontier logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:50 am -
1 stop12h 48m
Thu 9/244:30 pm -
1 stop7h 40m
Deal found 8/29![Frontier logo]()
$207
This Frontier deal was found by Cheapflights users on 8/27. 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 9/2112:30 pm -
1 stop9h 47m
Tue 9/225:32 am -
1 stop11h 46m
Deal found 8/27![Frontier logo]()
$178
This eDestinos deal was found by Cheapflights users on 8/29. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/219:04 pm -
1 stop23h 34m
Fri 9/255:32 am -
1 stop11h 46m
Deal found 8/29![Frontier logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:30 pm -
1 stop9h 30m
Thu 10/14:30 pm -
1 stop7h 40m
Deal found 8/27![Frontier logo]()
$174
This Frontier deal was found by Cheapflights users on 8/27. 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.
Thu 9/2412:30 pm -
1 stop9h 30m
Mon 9/285:32 am -
1 stop11h 46m
Deal found 8/27![Frontier logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:50 am -
1 stop7h 34m
Sun 10/45:32 am -
1 stop18h 38m
Deal found 8/28![Frontier logo]()
$200
This Trip.com deal was found by Cheapflights users on 8/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:50 am -
1 stop7h 34m
Fri 10/25:32 am -
1 stop11h 46m
Deal found 8/27![Frontier logo]()
$208
This Booking.com deal was found by Cheapflights users on 8/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2812:30 pm -
1 stop9h 30m
Fri 10/25:32 am -
1 stop11h 46m
Deal found 8/28![Frontier logo]()
$202
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Wed 9/308:25 am -
Nonstop2h 55m
Wed 10/71:26 pm -
Nonstop2h 33m
Deal found 8/28![United Airlines logo]()
$209
One-way flights from Dulles Intl to MiamiSearch for one-way flight options from Dulles Intl to Miami. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.
Search for one-way flight options from Dulles Intl to Miami. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.
This Trip.com deal was found by Cheapflights users on 8/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:50 am -
1 stop12h 48m
Deal found 8/29![Frontier logo]()
$76
This Trip.com deal was found by Cheapflights users on 8/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:50 am -
1 stop26h 25m
Deal found 8/28![Frontier logo]()
$77
This Trip.com deal was found by Cheapflights users on 8/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:50 am -
1 stop7h 35m
Deal found 8/29![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:50 am -
1 stop12h 43m
Deal found 8/28![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:04 pm -
1 stop23h 29m
Deal found 8/27![Frontier logo]()
$81
This Trip.com deal was found by Cheapflights users on 8/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:50 am -
1 stop13h 39m
Deal found 8/28![Frontier logo]()
$83
This Trip.com deal was found by Cheapflights users on 8/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:50 am -
1 stop12h 43m
Deal found 8/28![Frontier logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/269:04 pm -
1 stop13h 26m
Deal found 8/27![Frontier logo]()
$89
This CheapOair deal was found by Cheapflights users on 8/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:30 pm -
1 stop9h 30m
Deal found 8/28![Frontier logo]()
$91
Find 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 September 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $169 (Kiwi.com) |
One-way from | $76 (Trip.com) |
Popular in | March |
Cheapest in | October |
Average price | $232 |
Good round-trip deal | $313 or less |
Good one-way deal | $178 or less |
Cheapflights Fare Finder
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 7,457,451 searches. Data last updated September 1, 2026.
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
Cheapest round-trip
Washington, D.C.Miami
IAD Washington, D.C. Dulles Intl - MIA Miami
IADMIA
Washington, D.C. Dulles Intl
Tue 9/29
8:25 am-11:20 am
Nonstop2h 55m
Miami
Tue 10/6
8:54 am-4:23 pm
1 stop7h 29m
$219
Washington, D.C.Miami
IAD Washington, D.C. Dulles Intl - MIA Miami
IADMIA
Washington, D.C. Dulles Intl
Sat 10/3
8:25 am-11:20 am
Nonstop2h 55m
Miami
Wed 10/7
8:54 am-4:23 pm
1 stop7h 29m
$219
Washington, D.C.Miami
IAD Washington, D.C. Dulles Intl - MIA Miami
IADMIA
Washington, D.C. Dulles Intl
Fri 9/25
5:50 pm-11:44 pm
1 stop5h 54m
Miami
Fri 10/2
1:26 pm-3:59 pm
Nonstop2h 33m
$307
Quickest round-trip
Washington, D.C.Miami
IAD Washington, D.C. Dulles Intl - MIA Miami
IADMIA
Washington, D.C. Dulles Intl
Thu 10/1
8:25 am-11:20 am
Nonstop2h 55m
Miami
Sat 10/10
1:26 pm-3:59 pm
Nonstop2h 33m
$312
Washington, D.C.Miami
IAD Washington, D.C. Dulles Intl - MIA Miami
IADMIA
Washington, D.C. Dulles Intl
Fri 11/13
5:00 pm-10:22 pm
1 stop5h 22m
Miami
Mon 11/16
8:00 am-4:26 pm
1 stop8h 26m
$317
Washington, D.C.Miami
IAD Washington, D.C. Dulles Intl - MIA Miami
IADMIA
Washington, D.C. Dulles Intl
Mon 10/5
8:25 am-11:20 am
Nonstop2h 55m
Miami
Thu 10/8
1:26 pm-3:59 pm
Nonstop2h 33m
$333
Washington, D.C.Miami
IAD Washington, D.C. Dulles Intl - MIA Miami
IADMIA
Washington, D.C. Dulles Intl
Fri 10/23
5:50 pm-11:39 pm
1 stop5h 49m
Miami
Sun 10/25
9:00 am-11:38 am
Nonstop2h 38m
$335
Washington, D.C.Miami
IAD Washington, D.C. Dulles Intl - MIA Miami
IADMIA
Washington, D.C. Dulles Intl
Thu 9/10
8:16 am-11:11 am
Nonstop2h 55m
Miami
Sun 9/13
1:44 pm-4:17 pm
Nonstop2h 33m
$353
Washington, D.C.Miami
IAD Washington, D.C. Dulles Intl - MIA Miami
IADMIA
Washington, D.C. Dulles Intl
Thu 9/17
8:16 am-11:11 am
Nonstop2h 55m
Miami
Mon 9/21
1:44 pm-4:17 pm
Nonstop2h 33m
$369
Washington, D.C.Miami
IAD Washington, D.C. Dulles Intl - MIA Miami
IADMIA
Washington, D.C. Dulles Intl
Fri 9/18
8:16 am-11:11 am
Nonstop2h 55m
Miami
Mon 9/21
1:44 pm-4:17 pm
Nonstop2h 33m
$369
Showing 1-10 of 23 resultsSorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- 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.
IAD-MIA
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
Prices
Airlines
Delays
More
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 7 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, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Miami (average of $200). Flying from Washington, D.C. Dulles Intl Airport to Miami in March is currently the most expensive (average of $362). 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 September 1, 2026.
It’s optimal to fly from Washington, D.C. Dulles Intl Airport to Miami in the afternoon. By choosing this option you can save up to 55% 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 August 29, 2026.
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. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from Washington, D.C. to Miami delayed?
About 16% of weekly flights between Washington, D.C. and Miami have experienced delays in the past year, with the average delay time being 164 minutes.
What is the most punctual flight time for Washington, D.C. to Miami flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Washington, D.C. to Miami flights?
Over the last year, United Airlines have had the lowest number of delays on this route, with just 8% of flights being delayed.
What’s the top layover airport for flights from Washington, D.C. Dulles Intl Airport to Miami?
Share of 1-stop round-trip flights from Washington, D.C. Dulles Intl Airport to Miami chosen by Cheapflights users in the past 12 months, using the same layover each way.
Atlanta (ATL) – chosen by Cheapflights users on 90% of 1-stop itineraries from Washington, D.C. Dulles Intl Airport to Miami on Cheapflights.
What’s the cheapest layover airport for flights from Washington, D.C. Dulles Intl Airport to Miami?
Average round-trip fare for 1-stop flights from Washington, D.C. Dulles Intl Airport to Miami, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Atlanta (ATL) is the most affordable 1-stop option, with an average round-trip price of $252.
What’s the fastest layover option from Washington, D.C. Dulles Intl Airport to Miami?
Shortest average travel time for 1-stop one-way flights from Washington, D.C. Dulles Intl Airport to Miami, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Charlotte (CLT) have the shortest average one-way travel time for 1-stop routes: 4h 36m.
Which airport typically offers the quickest layover for flights from Washington, D.C. Dulles Intl Airport to Miami?
Average layover duration for 1-stop one-way flights from Washington, D.C. Dulles Intl Airport to Miami, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Charlotte (CLT) offer the fastest connection on this route, with an average layover time of 0h 46m.
The best insider tips for Washington, D.C. Dulles Intl Airport to Miami flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. Dulles Intl Airport to Miami trip
Our travel experts
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 September 1, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Miami, such as Delta,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Overall
7.8
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Crew
8.5
Overall
7.8
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Crew
8.5
Overall
7.8
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Crew
8.5
Overall
7.8
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Crew
8.5
Overall
7.8
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Crew
8.5
Overall
7.8
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
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.
Traveling to a place near Miami?
Book flights to Miami if you plan to visit one of these locationsSunny Isles Beach
Hollywood
Dania Beach
Boynton Beach
Miami Springs
Miramar
Plantation
Sunrise
Doral
Hialeah
Tamarac
Lake Worth
Kendall
Fisher Island
Bonita Springs
Deerfield Beach
North Palm Beach
Oakland Park
Palm Beach
Marathon
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Miami flight routes
Other flight options
Other flights from Dulles Intl
Popular flights
Alternative routes for Dulles Intl to Miami
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Miami by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Dulles Intl to Miami by cabin class
Find flights from Dulles Intl to Miami, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Miami
Explore flights to Miami departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 1, 2026.
Dulles Intl and Miami flights
Browse other Dulles Intl and Miami flight options. Last updated on September 1, 2026.
Other flights from Dulles Intl
Browse through other flights departing from Dulles Intl. Flights are based on user searches made on Cheapflights and were last updated on September 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Dulles Intl to Miami
Discover the top 5 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 7,457,451 searches. Data last updated September 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$48 | Average$164 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$113 | Average$237 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$128 | Average$333 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$128 | Average$338 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$250 | Average$368 | FlexibilityNo cancel fee | On-time71% |