Washington to Miami DCA, IAD → MIA
Ronald Reagan National Airport (DCA), Washington Dulles International Airport (IAD) → Miami International Airport (MIA)
The cheapest return found recently is $228 with Frontier Airlines, 31 Oct – 6 Nov, found yesterday. The cheapest one-way found recently is $31 with Frontier Airlines, 1 Jan 2027, found yesterday.
Return
The cheapest return fare on each of 12 departure dates is usually $234 to $336.
Cheapest return found recently
$228
31 Oct – 6 Nov · Frontier Airlines
Washington Dulles International Airport (IAD) → Miami International Airport (MIA)
Leaves 7:52 a.m. · Return leaves 5:20 a.m. · 21 h 4 min of travel, both ways together
out 1 stop, back 1 stop
found yesterday
Cheapest nonstop return
$287
30 Oct – 13 Nov · American Airlines
Ronald Reagan National Airport (DCA) → Miami International Airport (MIA)
Leaves 5:00 a.m. · Return leaves 7:55 a.m. · 5 h 13 min of travel, both ways together
out nonstop, back nonstop
found 2 days ago
Every nonstop date from Washington to Miami
Found recently, and the cheapest we hold
$228 31 Oct – 6 Novfound yesterdaySee prices for these dates
$163 2 Nov – 2 Novfound 6 days agoSee prices for these dates
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $137 to $179.
At $228, the cheapest return found recently is above that range.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 12 departure dates from 29 Oct to 27 Mar 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 6-night return fares leaving within 3 days of 31 Oct to compare.
Every date we hold
24 fares on 12 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 29 Oct – 2 Nov | $236 | 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 |
| 30 Oct – 13 Nov | $250 | Frontier Airlines | Washington Dulles International Airport (IAD) → Miami International Airport (MIA) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 31 Oct – 6 Nov | $228 | Frontier Airlines | Washington Dulles International Airport (IAD) → Miami International Airport (MIA) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 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 |
| 3 Jan 2027 – 5 Jan 2027 | $259 | Frontier Airlines | Washington Dulles International Airport (IAD) → Miami International Airport (MIA) | out nonstop, back 1 stop | found 2 days ago | See prices for these dates |
| 15 Jan 2027 – 23 Jan 2027 | $287 | Frontier Airlines | Washington Dulles International Airport (IAD) → Miami International Airport (MIA) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 16 Jan 2027 – 24 Jan 2027 | $237 | American Airlines | Ronald Reagan National Airport (DCA) → Miami International Airport (MIA) | out 1 stop, back nonstop | found 2 days ago | See prices for these dates |
| 23 Mar 2027 – 25 Mar 2027 | $355 | Frontier Airlines | Washington Dulles International Airport (IAD) → Miami International Airport (MIA) | out 1 stop, back nonstop | found 2 days ago | See prices for these dates |
| 24 Mar 2027 – 26 Mar 2027 | $419 | Frontier Airlines | Washington Dulles International Airport (IAD) → Miami International Airport (MIA) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 27 Mar 2027 – 29 Mar 2027 | $424 | Frontier Airlines | Washington Dulles International Airport (IAD) → Miami International Airport (MIA) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
Which month looks cheapest?
November 2026 is the cheapest month — from $163.
Airlines on the cheapest dates: Frontier Airlines, American Airlines.
One-way
The cheapest one-way fare on each of 19 departure dates is usually $76 to $97.
Cheapest one-way found recently
$31
1 Jan 2027 · Frontier Airlines
Washington Dulles International Airport (IAD) → Miami International Airport (MIA)
Leaves 10:06 p.m. · 2 h 55 min trip
nonstop
found yesterday
Cheapest nonstop one-way
$31
1 Jan 2027 · Frontier Airlines
Washington Dulles International Airport (IAD) → Miami International Airport (MIA)
Leaves 10:06 p.m. · 2 h 55 min trip
nonstop
found yesterday
Every nonstop date from Washington to Miami
Found recently, and the cheapest we hold
$31 1 Jan 2027found yesterdayOpen this trip
$29 29 Decfound 2 days agoOpen this trip
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $29 to $80.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 19 departure dates from 30 Oct to 20 Jan 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
Yes. Among one-way fares leaving within 3 days of 1 Jan 2027, 29 Dec costs $29: $2 less than the cheapest found recently.
Frontier Airlines · Washington Dulles International Airport (IAD) → Miami International Airport (MIA) · nonstop · found 2 days ago
Every date we hold
27 fares on 19 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 30 Oct | $137 | Frontier Airlines | Ronald Reagan National Airport (DCA) → Miami International Airport (MIA) | 1 stop | found 4 days ago | Open this trip |
| 31 Oct | $141 | Frontier Airlines | Ronald Reagan National Airport (DCA) → Miami International Airport (MIA) | 1 stop | found yesterday | Open this trip |
| 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 |
| 28 Dec | $94 | Frontier Airlines | Washington Dulles International Airport (IAD) → Miami International Airport (MIA) | nonstop | found 2 days ago | Open this trip |
| 29 Dec | $29 | Frontier Airlines | Washington Dulles International Airport (IAD) → Miami International Airport (MIA) | nonstop | found 2 days ago | Open this trip |
| 30 Dec | $53 | Frontier Airlines | Washington Dulles International Airport (IAD) → Miami International Airport (MIA) | nonstop | found 2 days ago | Open this trip |
| 1 Jan 2027 | $31 | Frontier Airlines | Washington Dulles International Airport (IAD) → Miami International Airport (MIA) | nonstop | found yesterday | Open this trip |
| 2 Jan 2027 | $76 | Frontier Airlines | Washington Dulles International Airport (IAD) → Miami International Airport (MIA) | nonstop | found yesterday | Open this trip |
| 3 Jan 2027 | $99 | Frontier Airlines | Washington Dulles International Airport (IAD) → Miami International Airport (MIA) | nonstop | found 2 days ago | Open this trip |
| 7 Jan 2027 | $75 | Frontier Airlines | Washington Dulles International Airport (IAD) → Miami International Airport (MIA) | 1 stop | found yesterday | Open this trip |
| 10 Jan 2027 | $90 | Frontier Airlines | Washington Dulles International Airport (IAD) → Miami International Airport (MIA) | 1 stop | found today | Open this trip |
| 19 Jan 2027 | $77 | Frontier Airlines | Washington Dulles International Airport (IAD) → Miami International Airport (MIA) | 1 stop | found 5 days ago | Open this trip |
| 20 Jan 2027 | $78 | Frontier Airlines | Washington Dulles International Airport (IAD) → Miami International Airport (MIA) | 1 stop | found 5 days ago | Open this trip |
Which month looks cheapest?
December 2026 is the cheapest month — from $29.
Airlines on the cheapest dates: Frontier Airlines, Southwest Airlines.
Premium cabin fares from Washington to Miami
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 31 Oct – 6 Nov in another cabin: Premium economy · Business · First
Today's prices for 1 Jan 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Washington to Miami?
Return
Fares 30 to 59 days before departure were typically 53% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $348 | $259 | +112% | 20 |
| 7–13 days | $290 | $223 | +77% | 19 |
| 14–29 days | $173 | $163 | +6% | 25 |
| 30–59 days | $164 | $137 | Cheapest seen | 24 |
| 60–89 days | $181 | $148 | +10% | 25 |
| 90–179 days | $208 | $159 | +27% | 24 |
| 180+ days | $385 | $385 | +135% | 8 |
One-way
Fares 90 to 179 days before departure were typically 25% lower than 7 to 13 days before departure.
From the cheapest one-way each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 7–13 days | $103 | $103 | +34% | 10 |
| 14–29 days | $78 | $73 | +1% | 24 |
| 30–59 days | $93 | $49 | +21% | 25 |
| 60–89 days | $78 | $29 | +1% | 25 |
| 90–179 days | $77 | $66 | Cheapest seen | 25 |
| 180+ days | $189 | $189 | +146% | 15 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Baltimore → Miami
57 km from Washington
$138
$90 less than flying from Washington
31 Oct – 6 Nov · BWI → MIA · out nonstop, back nonstop
found yesterday
Washington → Fort Lauderdale
40 km from Miami
$215
$13 less than flying to Miami
30 Oct – 1 Nov · IAD → FLL · out nonstop, back nonstop
found 10 hours ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Baltimore → Miami
57 km from Washington
$43
$12 more than flying from Washington
1 Jan 2027 · BWI → MIA · nonstop
found yesterday
Washington → Fort Lauderdale
40 km from Miami
$71
$40 more than flying to Miami
31 Oct · IAD → FLL · nonstop
found 18 hours ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 31 Oct – 6 Nov. A live search on this page shows what those dates cost now, for one adult in economy.
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