Cheap flights from Houston to Baltimore from $166 HOU, IAH → BWI
William P. Hobby Airport (HOU), George Bush Intercontinental Airport (IAH) → Baltimore/Wash International Thurgood Marshall Airport (BWI)
The cheapest return found recently is $166 with Frontier Airlines, 3 Dec – 6 Dec, found 2 days ago.
- Cheapest return found recently
- $166, 3 Dec to 6 Dec
- Usual return price
- $162 to $192
- Cheapest month to fly
- December 2026, return fares from $152 found in the last 7 days
- Airlines with nonstop flights
- United Airlines, Frontier Airlines, Southwest Airlines
Return
The cheapest return fare on each of 4 departure dates is usually $162 to $192.
Cheapest return found recently
$166
3 Dec – 6 Dec · Frontier Airlines
George Bush Intercontinental Airport (IAH) → Baltimore/Wash International Thurgood Marshall Airport (BWI)
Leaves 9:24 p.m. · Return leaves 11:02 a.m. · 34 h 16 min of travel, both ways together
out 1 stop, back 1 stop · via Hartsfield-Jackson Atlanta International Airport (ATL), Miami International Airport (MIA) · overnight connection · 18 h connection
found 2 days ago
Cheapest nonstop return
$244
3 Dec – 6 Dec · Frontier Airlines
George Bush Intercontinental Airport (IAH) → Baltimore/Wash International Thurgood Marshall Airport (BWI)
Leaves 12:45 p.m. · Return leaves 9:39 p.m. · 6 h 49 min of travel, both ways together
out nonstop, back nonstop
found 2 days ago
Found recently, and the cheapest we hold
$166 3 Dec – 6 Decfound 2 days agoSee prices for these dates
$152 2 Dec – 22 Decfound 3 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 $93 to $408.
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 4 departure dates from 14 Nov to 3 Dec, 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 3 Dec to compare.
Every date we hold
116 fares on 4 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 14 Nov – 16 Nov | $270 | Frontier Airlines | George Bush Intercontinental Airport (IAH) → Baltimore/Wash International Thurgood Marshall Airport (BWI) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 1 Dec – 22 Dec | $165 | 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 |
| 2 Dec – 22 Dec | $152 | Frontier Airlines | George Bush Intercontinental Airport (IAH) → Baltimore/Wash International Thurgood Marshall Airport (BWI) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 3 Dec – 6 Dec | $166 | Frontier Airlines | George Bush Intercontinental Airport (IAH) → Baltimore/Wash International Thurgood Marshall Airport (BWI) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
Which month looks cheapest?
December 2026 is the cheapest month — from $152.
Airlines on the cheapest dates: Frontier 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 3 Dec – 6 Dec in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Houston to Baltimore?
Return
Fares 30 to 59 days before departure were typically 61% 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 | $293 | $270 | +159% | 11 |
| 7–13 days | $408 | $293 | +261% | 7 |
| 14–29 days | $164 | $105 | +45% | 27 |
| 30–59 days | $113 | $93 | Cheapest seen | 29 |
| 60–89 days | $397 | $247 | +251% | 11 |
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
$308
$142 more than flying to Baltimore
20 Dec – 29 Dec · IAH → PHL · out 1 stop, back 1 stop
found yesterday
Houston → Washington
57 km from Baltimore
$134
$32 less than flying to Baltimore
3 Dec – 6 Dec · IAH → IAD · 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
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 3 Dec – 6 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 Houston to Baltimore?
The cheapest return found recently is $166 with Frontier Airlines, 3 Dec to 6 Dec, found 2 days ago. The cheapest return we hold, of any age, is $152 with Frontier Airlines, 2 Dec to 22 Dec, found 3 days ago. The cheapest return fare on each of 4 departure dates is usually $162 to $192.
What is the cheapest month to fly from Houston to Baltimore?
December 2026 is the cheapest month for a return, from $152, 2 Dec to 22 Dec, found 3 days ago.
How far ahead should I book a flight from Houston to Baltimore?
In 49 days of prices between 24 Sept and 11 Nov, return fares 30 to 59 days before departure were typically 61% lower than 0 to 6 days before departure.
Is there a direct flight from Houston to Baltimore?
Yes, the cheapest nonstop return found recently is $244 with Frontier Airlines, 3 Dec to 6 Dec, found 2 days ago.
Which airlines have the cheapest flights from Houston to Baltimore?
Between 14 Nov and 3 Dec, Frontier Airlines has the cheapest return on all 4 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