Houston to Baltimore IAH → BWI
George Bush Intercontinental Airport (IAH) → Baltimore/Wash International Thurgood Marshall Airport (BWI)
The cheapest return found recently is $205 with Frontier Airlines, 26 Nov – 30 Nov, found 4 days ago. The cheapest one-way found recently is $117 with Frontier Airlines, 6 Nov, found 2 days ago.
Return
The cheapest return fare on each of 3 departure dates is usually $222 to $266.
Cheapest return found recently
$205
26 Nov – 30 Nov · Frontier Airlines
George Bush Intercontinental Airport (IAH) → Baltimore/Wash International Thurgood Marshall Airport (BWI)
Leaves 6:09 p.m. · Return leaves 8:09 p.m. · 23 h 41 min of travel, both ways together
out 1 stop, back 1 stop
found 4 days ago
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$205 26 Nov – 30 Novfound 4 days agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $105 to $408.
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 3 departure dates from 21 Oct to 26 Nov, 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 4-night return fares leaving within 3 days of 26 Nov to compare.
Every date we hold
3 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 21 Oct – 26 Oct | $293 | Frontier Airlines | George Bush Intercontinental Airport (IAH) → Baltimore/Wash International Thurgood Marshall Airport (BWI) | out nonstop, back 1 stop | found 6 days ago | See prices for these dates |
| 21 Nov – 25 Nov | $239 | Frontier Airlines | George Bush Intercontinental Airport (IAH) → Baltimore/Wash International Thurgood Marshall Airport (BWI) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 26 Nov – 30 Nov | $205 | Frontier Airlines | George Bush Intercontinental Airport (IAH) → Baltimore/Wash International Thurgood Marshall Airport (BWI) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
Which month looks cheapest?
November 2026 is the cheapest month — from $205.
Airlines on the cheapest dates: Frontier Airlines.
One-way
The cheapest one-way fare on each of 4 departure dates is usually $79 to $140.
Cheapest one-way found recently
$117
6 Nov · Frontier Airlines
George Bush Intercontinental Airport (IAH) → Baltimore/Wash International Thurgood Marshall Airport (BWI)
Leaves 3:39 p.m. · 3 h 7 min trip
nonstop
found 2 days ago
Cheapest nonstop one-way
$117
6 Nov · Frontier Airlines
George Bush Intercontinental Airport (IAH) → Baltimore/Wash International Thurgood Marshall Airport (BWI)
Leaves 3:39 p.m. · 3 h 7 min trip
nonstop
found 2 days ago
Found recently, and the cheapest we hold
$117 6 Novfound 2 days agoOpen this trip
$59 12 Decfound 4 days agoOpen this trip
What have prices looked like?
Over 18 days, 1 Oct to 18 Oct, the cheapest one-way we saw each day was $50 to $175.
18 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 4 departure dates from 6 Nov to 28 Jul 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 one-way fares leaving within 3 days of 6 Nov to compare.
Every date we hold
5 fares on 4 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 6 Nov | $117 | Frontier Airlines | George Bush Intercontinental Airport (IAH) → Baltimore/Wash International Thurgood Marshall Airport (BWI) | nonstop | found 2 days ago | Open this trip |
| 21 Nov | $86 | Frontier Airlines | George Bush Intercontinental Airport (IAH) → Baltimore/Wash International Thurgood Marshall Airport (BWI) | 1 stop | found 5 days ago | Open this trip |
| 12 Dec | $59 | Frontier Airlines | George Bush Intercontinental Airport (IAH) → Baltimore/Wash International Thurgood Marshall Airport (BWI) | 1 stop | found 4 days ago | Open this trip |
| 28 Jul 2027 | $210 | United Airlines | George Bush Intercontinental Airport (IAH) → Baltimore/Wash International Thurgood Marshall Airport (BWI) | nonstop | found 2 days ago | Open this trip |
Which month looks cheapest?
December 2026 is the cheapest month — from $59.
Airlines on the cheapest dates: Frontier Airlines, United Airlines.
Premium cabin fares from Houston to Baltimore
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 26 Nov – 30 Nov in another cabin: Premium economy · Business · First
Today's prices for 6 Nov in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Houston to Baltimore?
Return
Fares 14 to 29 days before departure were typically 66% 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 | $312 | $293 | +197% | 8 |
| 7–13 days | $408 | $293 | +289% | 7 |
| 14–29 days | $105 | $105 | Cheapest seen | 9 |
| 60–89 days | $397 | $397 | +278% | 8 |
One-way
Not enough history yet: in 18 days of one-way prices, 1 Oct to 18 Oct, fewer than 3 booking ranges had prices on 7 days or more.
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Houston → Philadelphia
145 km from Baltimore
$355
$150 more than flying to Baltimore
26 Oct – 26 Oct · IAH → PHL · out 1 stop, back 2 stops
found 3 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Houston → Washington
57 km from Baltimore
$71
$46 less than flying to Baltimore
25 Nov · IAH → IAD · 1 stop
found yesterday
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 26 Nov – 30 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