Washington to Houston DCA, IAD → IAH
Ronald Reagan National Airport (DCA), Washington Dulles International Airport (IAD) → George Bush Intercontinental Airport (IAH)
The cheapest return found recently is $347 with Frontier Airlines, 5 Nov – 8 Nov, found today.
Return
The cheapest return fare on each of 6 departure dates is usually $289 to $349.
Cheapest return found recently
$347
5 Nov – 8 Nov · Frontier Airlines
Washington Dulles International Airport (IAD) → George Bush Intercontinental Airport (IAH)
Leaves 6:07 p.m. · Return leaves 8:35 p.m. · 34 h 23 min of travel, both ways together
out 1 stop, back 1 stop
found today
Cheapest nonstop return
$390
22 Jan 2027 – 24 Jan 2027 · American Airlines
Ronald Reagan National Airport (DCA) → George Bush Intercontinental Airport (IAH)
Leaves 12:59 p.m. · Return leaves 10:28 a.m. · 6 h 57 min of travel, both ways together
out nonstop, back nonstop
found 5 days ago
Found recently, and the cheapest we hold
$347 5 Nov – 8 Novfound todaySee prices for these dates
$188 22 Jan 2027 – 24 Jan 2027found 5 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 $104 to $188.
At $347, 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 6 departure dates from 27 Oct to 23 Sept 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 3-night return fares leaving within 3 days of 5 Nov to compare.
Every date we hold
9 fares on 6 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 27 Oct – 30 Oct | $330 | Frontier Airlines | Washington Dulles International Airport (IAD) → George Bush Intercontinental Airport (IAH) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 30 Oct – 1 Nov | $350 | Frontier Airlines | Washington Dulles International Airport (IAD) → George Bush Intercontinental Airport (IAH) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 1 Nov – 4 Nov | $275 | Frontier Airlines | Washington Dulles International Airport (IAD) → George Bush Intercontinental Airport (IAH) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 5 Nov – 8 Nov | $347 | Frontier Airlines | Washington Dulles International Airport (IAD) → George Bush Intercontinental Airport (IAH) | out 1 stop, back 1 stop | found today | See prices for these dates |
| 22 Jan 2027 – 24 Jan 2027 | $188 | Frontier Airlines | Washington Dulles International Airport (IAD) → George Bush Intercontinental Airport (IAH) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 23 Sept 2027 – 30 Sept 2027 | $1,793 | SAS Scandinavian | Washington Dulles International Airport (IAD) → George Bush Intercontinental Airport (IAH) | out 3 stops, back 3 stops | found 3 days ago | See prices for these dates |
Which month looks cheapest?
January 2027 is the cheapest month — from $188.
Airlines on the cheapest dates: Frontier Airlines, SAS Scandinavian.
Premium cabin fares from Washington to Houston
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 5 Nov – 8 Nov in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Washington to Houston?
Return
Fares 30 to 59 days before departure were typically 73% 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 | $384 | $384 | +269% | 7 |
| 7–13 days | $330 | $273 | +217% | 9 |
| 14–29 days | $224 | $133 | +115% | 18 |
| 30–59 days | $104 | $104 | Cheapest seen | 13 |
| 60–89 days | $162 | $123 | +56% | 17 |
| 90–179 days | $188 | $162 | +81% | 8 |
| 180+ days | $2,257 | $1,793 | +2070% | 7 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Baltimore → Houston
57 km from Washington
$238
$109 less than flying from Washington
5 Feb 2027 – 7 Feb 2027 · BWI → IAH · out 1 stop, back 1 stop
found 2 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Baltimore → Houston
57 km from Washington
$86
26 Nov · BWI → IAH · 1 stop
found 4 days 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 5 Nov – 8 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