Cheap flights from Baltimore to Houston from $98 BWI → HOU, IAH
Baltimore/Wash International Thurgood Marshall Airport (BWI) → William P. Hobby Airport (HOU), George Bush Intercontinental Airport (IAH)
The cheapest return found recently is $283 with Frontier Airlines, 24 Dec – 28 Dec, found 2 days ago. The cheapest one-way found recently is $98 with Frontier Airlines, 16 Nov, found 3 days ago.
- Cheapest one-way found recently
- $98, found 3 days ago
- Cheapest return found recently
- $283, 24 Dec to 28 Dec
- Usual return price
- $137 to $236
- Cheapest month to fly
- December 2026, return fares from $118 found in the last 7 days
- Airlines with nonstop flights
- United Airlines, Frontier Airlines
Return
The cheapest return fare on each of 7 departure dates is usually $137 to $236.
Cheapest return found recently
$283
24 Dec – 28 Dec · Frontier Airlines
Baltimore/Wash International Thurgood Marshall Airport (BWI) → George Bush Intercontinental Airport (IAH)
Leaves 7:17 p.m. · Return leaves 1:19 p.m. · 12 h 41 min of travel, both ways together
out 1 stop, back 1 stop · via Hartsfield-Jackson Atlanta International Airport (ATL), Miami International Airport (MIA)
found 2 days ago
Cheapest nonstop return
$348
24 Dec – 28 Dec · Frontier Airlines
Baltimore/Wash International Thurgood Marshall Airport (BWI) → George Bush Intercontinental Airport (IAH)
Leaves 4:12 p.m. · Return leaves 2:17 p.m. · 6 h 53 min of travel, both ways together
out nonstop, back nonstop
found 2 days ago
Found recently, and the cheapest we hold
$283 24 Dec – 28 Decfound 2 days agoSee prices for these dates
$118 4 Dec – 7 Decfound 6 days agoSee prices for these dates
What have prices looked like?
Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $91 to $238.
At $283, the cheapest return found recently is above that range.
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 7 departure dates from 16 Nov to 5 Feb 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?
No. We hold 4-night return fares on 1 other departure date within 3 days of 24 Dec, and it is not cheaper.
Every date we hold
68 fares on 7 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 16 Nov – 14 Dec | $188 | Frontier Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → George Bush Intercontinental Airport (IAH) | out 1 stop, back 1 stop | found 7 days ago | See prices for these dates |
| 2 Dec – 6 Dec | $133 | Frontier Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → George Bush Intercontinental Airport (IAH) | out nonstop, back nonstop | found 4 days ago | See prices for these dates |
| 4 Dec – 7 Dec | $118 | Frontier Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → George Bush Intercontinental Airport (IAH) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 6 Dec – 9 Dec | $141 | Frontier Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → George Bush Intercontinental Airport (IAH) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 23 Dec – 28 Dec | $330 | Frontier Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → George Bush Intercontinental Airport (IAH) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 24 Dec – 28 Dec | $283 | Frontier Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → George Bush Intercontinental Airport (IAH) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 5 Feb 2027 – 7 Feb 2027 | $159 | Frontier Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → George Bush Intercontinental Airport (IAH) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
Which month looks cheapest?
December 2026 is the cheapest month — from $118.
Airlines on the cheapest dates: Frontier Airlines.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
$98
16 Nov · Frontier Airlines
Baltimore/Wash International Thurgood Marshall Airport (BWI) → George Bush Intercontinental Airport (IAH)
Leaves 1:56 p.m. · 25 h 48 min trip
1 stop
found 3 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$98 16 Novfound 3 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 46 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $55 to $357.
Those were the prices on those days, not today's.
Is this a good one-way price?
Not enough comparable prices yet: we hold one-way fares on 2 departure dates and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 16 Nov to compare.
Every date we hold
2 fares on 2 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 16 Nov | $98 | Frontier Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → George Bush Intercontinental Airport (IAH) | 1 stop | found 3 days ago | Open this trip |
| 19 Dec | $136 | Frontier Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → George Bush Intercontinental Airport (IAH) | 1 stop | found 4 days ago | Open this trip |
Which month looks cheapest?
November 2026 is the cheapest month — from $98.
Airlines on the cheapest dates: Frontier Airlines.
Premium cabin fares from Baltimore 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 24 Dec – 28 Dec in another cabin: Premium economy · Business · First
Today's prices for 16 Nov in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Baltimore to Houston?
Return
Fares 30 to 59 days before departure were typically 54% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 11 Nov (49 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 | $250 | $188 | +119% | 21 |
| 7–13 days | $268 | $128 | +135% | 25 |
| 14–29 days | $147 | $118 | +29% | 37 |
| 30–59 days | $114 | $91 | Cheapest seen | 35 |
| 60–89 days | $156 | $116 | +37% | 28 |
| 90–179 days | $238 | $156 | +109% | 21 |
One-way
Fares 30 to 59 days before departure were typically 9% lower than 14 to 29 days before departure.
From the cheapest one-way each day between 24 Sept and 11 Nov (46 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 |
|---|---|---|---|---|
| 14–29 days | $94 | $55 | +9% | 23 |
| 30–59 days | $86 | $55 | Cheapest seen | 31 |
| 60–89 days | $155 | $73 | +80% | 15 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Washington → Houston
57 km from Baltimore
$305
$22 more than flying from Baltimore
24 Dec – 28 Dec · IAD → IAH · out 1 stop, back 1 stop
found 2 days ago
Philadelphia → Houston
145 km from Baltimore
$141
$142 less than flying from Baltimore
9 Dec – 14 Dec · PHL → IAH · out 1 stop, back 1 stop
found 5 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Washington → Houston
57 km from Baltimore
$126
$28 more than flying from Baltimore
13 Nov · IAD → IAH · stops unknown
found 3 days ago
Philadelphia → Houston
145 km from Baltimore
$145
$47 more than flying from Baltimore
22 Dec · TTN → IAH · 1 stop
found 3 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 24 Dec – 28 Dec. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Baltimore to Houston?
The cheapest return found recently is $283 with Frontier Airlines, 24 Dec to 28 Dec, found 2 days ago. The cheapest return we hold, of any age, is $118 with Frontier Airlines, 4 Dec to 7 Dec, found 6 days ago. The cheapest return fare on each of 7 departure dates is usually $137 to $236.
How much is a one-way flight from Baltimore to Houston?
The cheapest one-way found recently is $98 with Frontier Airlines, 16 Nov, found 3 days ago.
What is the cheapest month to fly from Baltimore to Houston?
December 2026 is the cheapest month for a return, from $118, 4 Dec to 7 Dec, found 6 days ago. November 2026 is the cheapest month for a one-way, from $98, 16 Nov, found 3 days ago.
How far ahead should I book a flight from Baltimore to Houston?
In 49 days of prices between 24 Sept and 11 Nov, return fares 30 to 59 days before departure were typically 54% lower than 0 to 6 days before departure. In 46 days of prices between 24 Sept and 11 Nov, one-way fares 30 to 59 days before departure were typically 9% lower than 14 to 29 days before departure.
Is there a direct flight from Baltimore to Houston?
Yes, the cheapest nonstop return found recently is $348 with Frontier Airlines, 24 Dec to 28 Dec, found 2 days ago.
How long is the flight from Baltimore to Houston?
The cheapest one-way found recently, with Frontier Airlines on 16 Nov, takes 25 h 48 min with 1 stop.
Which airlines have the cheapest flights from Baltimore to Houston?
Between 16 Nov and 5 Feb 2027, Frontier Airlines has the cheapest return on all 7 departure dates we hold.
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