Washington to Miami in November 2026 DCA, IAD → MIA

Ronald Reagan National Airport (DCA), Washington Dulles International Airport (IAD) → Miami International Airport (MIA)

For departures in November 2026, the cheapest return found recently is $330 with American Airlines, 23 Nov – 28 Nov, found 2 days ago. The cheapest one-way found recently is $82 with Southwest Airlines, 19 Nov, found today.

Return

In November 2026, the cheapest return fare on each of 3 departure dates is usually $191 to $274. Across all 12 departure dates we hold on this route, it is usually $234 to $336. Of the 4 months with enough return fares to compare, November 2026 is usually the cheapest.

Cheapest return found recently

$330

23 Nov – 28 Nov · American Airlines

Ronald Reagan National Airport (DCA) → Miami International Airport (MIA)

out nonstop, back nonstop

found 2 days ago

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Cheapest we hold, of any age

$163

2 Nov – 2 Nov · Frontier Airlines

Washington Dulles International Airport (IAD) → Miami International Airport (MIA)

out 1 stop, back 1 stop

found 6 days ago

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The cheapest dates in November 2026

Dates	From	Airline	Stops	Found
2 Nov – 2 Nov	$163	Frontier Airlines	out 1 stop, back 1 stop	found 6 days ago	See prices for these dates
24 Nov – 27 Nov	$218	Frontier Airlines	out nonstop, back 1 stop	found 5 days ago	See prices for these dates
23 Nov – 28 Nov	$330	American Airlines	out nonstop, back nonstop	found 2 days ago	See prices for these dates

Every date we hold

3 departure dates

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The cheapest price seen for each departure date — per traveler in Economy.
Dates	From	Airline	Airports	Stops	Found
2 Nov – 2 Nov	$163	Frontier Airlines	Washington Dulles International Airport (IAD) → Miami International Airport (MIA)	out 1 stop, back 1 stop	found 6 days ago	See prices for these dates
23 Nov – 28 Nov	$330	American Airlines	Ronald Reagan National Airport (DCA) → Miami International Airport (MIA)	out nonstop, back nonstop	found 2 days ago	See prices for these dates
24 Nov – 27 Nov	$218	Frontier Airlines	Washington Dulles International Airport (IAD) → Miami International Airport (MIA)	out nonstop, back 1 stop	found 5 days ago	See prices for these dates

Which month looks cheapest?

November 2026 is the cheapest month — from $163.

October 2026From $2283 departure dates31 Oct – 6 Nov · found yesterdaySee prices for these dates

November 2026From $163Cheapest seen3 departure dates2 Nov – 2 Nov · found 6 days agoSee prices for these dates

January 2027From $2373 departure dates16 Jan 2027 – 24 Jan 2027 · found 2 days agoSee prices for these dates Every date in January 2027

March 2027From $3553 departure dates23 Mar 2027 – 25 Mar 2027 · found 2 days agoSee prices for these dates

One-way

In November 2026, the cheapest one-way fare on each of 7 departure dates is usually $80 to $110. Across all 20 departure dates we hold on this route, it is usually $76 to $107. Of the 3 months with enough one-way fares to compare, November 2026 is usually the most expensive.

Cheapest one-way found recently

$82

19 Nov · Southwest Airlines

Ronald Reagan National Airport (DCA) → Miami International Airport (MIA)

1 stop

found today

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Cheapest we hold, of any age

$49

22 Nov · Frontier Airlines

Washington Dulles International Airport (IAD) → Miami International Airport (MIA)

nonstop

found 3 days ago

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The cheapest dates in November 2026

Dates	From	Airline	Stops	Found
22 Nov	$49	Frontier Airlines	nonstop	found 3 days ago	Open this trip
10 Nov	$77	Frontier Airlines	1 stop	found 6 days ago	Open this trip
19 Nov	$82	Southwest Airlines	1 stop	found today	Open this trip
23 Nov	$84	Southwest Airlines	1 stop	found 2 days ago	Open this trip
14 Nov	$91	Southwest Airlines	1 stop	found 4 days ago	Open this trip

Every date we hold

7 departure dates

See the chart as a table

The cheapest price seen for each departure date — per traveler in Economy.
Dates	From	Airline	Airports	Stops	Found
8 Nov	$130	Frontier Airlines	Ronald Reagan National Airport (DCA) → Miami International Airport (MIA)	1 stop	found 6 days ago	Open this trip
10 Nov	$77	Frontier Airlines	Washington Dulles International Airport (IAD) → Miami International Airport (MIA)	1 stop	found 6 days ago	Open this trip
14 Nov	$91	Southwest Airlines	Ronald Reagan National Airport (DCA) → Miami International Airport (MIA)	1 stop	found 4 days ago	Open this trip
15 Nov	$129	Frontier Airlines	Ronald Reagan National Airport (DCA) → Miami International Airport (MIA)	1 stop	found 5 days ago	Open this trip
19 Nov	$82	Southwest Airlines	Ronald Reagan National Airport (DCA) → Miami International Airport (MIA)	1 stop	found today	Open this trip
22 Nov	$49	Frontier Airlines	Washington Dulles International Airport (IAD) → Miami International Airport (MIA)	nonstop	found 3 days ago	Open this trip
23 Nov	$84	Southwest Airlines	Ronald Reagan National Airport (DCA) → Miami International Airport (MIA)	1 stop	found 2 days ago	Open this trip

Which month looks cheapest?

December 2026 is the cheapest month — from $29.

October 2026From $1372 departure dates30 Oct · found 4 days agoOpen this trip

November 2026From $497 departure dates22 Nov · found 3 days agoOpen this trip

December 2026From $29Cheapest seen3 departure dates29 Dec · found 2 days agoOpen this trip

January 2027From $317 departure dates1 Jan 2027 · found yesterdayOpen this trip Every date in January 2027

February 2027From $1571 departure date11 Feb 2027 · found todayOpen this trip

Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work