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C$82 Cheap Flights from Houston George Bush Intercntl. (IAH) to Baltimore Washington International (BWI)

Compare Houston George Bush Intercntl. to Baltimore Washington International flight deals

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Flight deals from Houston George Bush Intercntl. to Baltimore Washington International

Looking for a cheap last-minute deal or the best return flight from Houston George Bush Intercntl. Airport to Baltimore Washington International Airport? If you want to travel next month, return fares start from C$233. Find the lowest prices on one-way and return tickets right here.
Washington D.C..C$82 per passenger.Departing Thu., Aug. 6.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Thu., Aug. 6, arriving in Baltimore Washington International.Price includes taxes and charges.From C$82, select.
Washington D.C..C$83 per passenger.Departing Wed., Sep. 23.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Wed., Sep. 23, arriving in Baltimore Washington International.Price includes taxes and charges.From C$83, select.
Washington D.C..C$90 per passenger.Departing Mon., Oct. 26.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Mon., Oct. 26, arriving in Baltimore Washington International.Price includes taxes and charges.From C$90, select.
Washington D.C..C$159 per passenger.Departing Wed., Nov. 18.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Wed., Nov. 18, arriving in Baltimore Washington International.Price includes taxes and charges.From C$159, select.
Washington D.C..C$164 per passenger.Departing Wed., Sep. 16.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Wed., Sep. 16, arriving in Baltimore Washington International.Price includes taxes and charges.From C$164, select.
Washington D.C..C$164 per passenger.Departing Wed., Aug. 19.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Wed., Aug. 19, arriving in Baltimore Washington International.Price includes taxes and charges.From C$164, select.
Washington D.C..C$164 per passenger.Departing Sat., Jul. 4.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Sat., Jul. 4, arriving in Baltimore Washington International.Price includes taxes and charges.From C$164, select.
Washington D.C..C$174 per passenger.Departing Wed., Nov. 18.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Wed., Nov. 18, arriving in Baltimore Washington International.Price includes taxes and charges.From C$174, select.
Washington D.C..C$174 per passenger.Departing Tue., Jun. 16.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Tue., Jun. 16, arriving in Baltimore Washington International.Price includes taxes and charges.From C$174, select.
Washington D.C..C$182 per passenger.Departing Wed., Jul. 15.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Wed., Jul. 15, arriving in Baltimore Washington International.Price includes taxes and charges.From C$182, select.
Washington D.C..C$184 per passenger.Departing Thu., Oct. 22.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Thu., Oct. 22, arriving in Baltimore Washington International.Price includes taxes and charges.From C$184, select.
Washington D.C..C$185 per passenger.Departing Wed., Jun. 17.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Wed., Jun. 17, arriving in Baltimore Washington International.Price includes taxes and charges.From C$185, select.
Washington D.C..C$305 per passenger.Departing Sat., May 30.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Sat., May 30, arriving in Baltimore Washington International.Price includes taxes and charges.From C$305, select.
Washington D.C..C$359 per passenger.Departing Sat., Apr. 3.One-way flight with United.Outbound direct flight with United departs from Houston George Bush Intercntl. on Sat., Apr. 3, arriving in Baltimore Washington International.Price includes taxes and charges.From C$359, select.
Washington D.C..C$388 per passenger.Departing Sat., Jan. 9.One-way flight with jetBlue.Outbound indirect flight with jetBlue, departs from Houston George Bush Intercntl. on Sat., Jan. 9, arriving in Baltimore Washington International.Price includes taxes and charges.From C$388, select.
Washington D.C..C$433 per passenger.Departing Sat., May 30.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Sat., May 30, arriving in Baltimore Washington International.Price includes taxes and charges.From C$433, select.

Find the cheapest month to fly from Houston George Bush Intercntl. to Baltimore Washington International from C$82 one-way

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Houston George Bush Intercntl. to Baltimore Washington International flights are currently cheapest in August.
May
from C$305
Jun.
from C$174
Jul.
from C$164
Aug.
from C$82
Sep.
from C$83
Oct.
from C$90
Nov.
from C$159
Dec.
from C$475
Jan.
from C$388
Feb.
Find prices
Mar.
Find prices
Apr.
from C$359

Which airlines fly from Houston George Bush Intercntl. to Baltimore Washington International?

Houston George Bush Intercntl. to Baltimore Washington International: Alternative routes

Compare routes from Houston George Bush Intercntl. to Washington D.C. below. You may find an airport to fly into that's cheaper, faster, or easier than Baltimore Washington International.

Washington Ronald Reagan

5km from central Washington D.C.
Closest
from C$167
Search flights

Camp Springs Andrews AFB

17km from central Washington D.C.
Search flights

Washington Dulles

37km from central Washington D.C.
from C$90
Search flights

Baltimore Washington International

44km from central Washington D.C.
Cheapest
from C$82
Search flights

Manassas

47km from central Washington D.C.
Search flights

Houston to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight foundC$82
Cheapest month to flyAugust
Average flight time3 hrs, 11 mins
Most popular airlineUnited
Average flights per week69

Finding cheap flights from Houston George Bush Intercntl. to Baltimore Washington International: Frequently asked questions

The best price we found for a return flight from Houston George Bush Intercntl. to Baltimore Washington International is C$185. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 11 minutes is the average flight time from Houston George Bush Intercntl. to Baltimore Washington International.
United, Virgin Australia and Air New Zealand fly direct from Houston George Bush Intercntl. to Baltimore Washington International.
As of May 2026, there are 69 flights per week flying from Houston George Bush Intercntl. to Baltimore Washington International.
The cheapest month to fly from Houston George Bush Intercntl. to Baltimore Washington International is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Houston George Bush Intercntl. Airport to Baltimore Washington International Airport on Wednesday, September 2, 2026.
Yes – the average flight time is 3 hours and 11 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Baltimore Washington International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Baltimore Washington International.

Traveling from George Bush Intercontinental Airport (IAH) to Baltimore/Wash International Thurgood Marshall Airport (BWI): what you need to know

  • A direct flight from George Bush Intercontinental Airport to Baltimore/Wash International Thurgood Marshall Airport takes an average of 3 hours 7 minutes. The timezone in Washington DC is UTC-4, which makes it 1 hour ahead of Houston.

  • Flights from George Bush Intercontinental Airport to Baltimore/Wash International Thurgood Marshall Airport start at 06:00 — the first with United Airlines. The last flight of the day is the 22:34 option with Spirit Airlines. In total, there are 70 weekly services from IAH to BWI.

  • Peak months like July or vacation periods such as Thanksgiving and Christmas/New Year will mean longer lines at check-in and security. Play it safe and head to the airport even earlier. Arriving two hours before a domestic flight and up four hours ahead of international flights is a smart move.

  • United Airlines is your gateway to exploring Washington DC (and perhaps some other exciting corners of United States!). Check out the direct flights from George Bush Intercontinental Airport to Baltimore/Wash International Thurgood Marshall Airport offered by this popular airline.

  • We make it a cinch to book a flight with a stopover. To look at your options for flights from George Bush Intercontinental Airport to Baltimore/Wash International Thurgood Marshall Airport, uncheck 'Direct flights only.' Then, pick a flight offering a stop long enough to explore the city of your choice. Popular stopovers between IAH and BWI are:

    • Dallas Love Field

    • Nashville International Airport

    • Hartsfield-Jackson Atlanta International Airport

How to find the cheapest flights from George Bush Intercontinental Airport (IAH) to Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • The lowest price we've found for a one-way ticket from George Bush Intercontinental Airport to Baltimore/Wash International Thurgood Marshall Airport is C$82. For a return flight on this route, the best price is C$185. Depending on the availability and when you book, these fares could change.

  • Get cheap flight tickets from IAH to BWI by booking at least 9 months ahead. Based on our research, that's the sweet spot for landing a bargain.

  • May is the cheapest month for flight tickets from George Bush Intercontinental Airport to Baltimore/Wash International Thurgood Marshall Airport. If you prefer to fly at a different time of year, the 'Whole month' tool will show you the lowest airfares for each month.

  • Snapping up a cheap ticket from IAH to BWI is straightforward with Price Alerts. Simply create one of these automatic alerts and we'll notify you when the price has fallen.

  • Use filters to tailor your flights from George Bush Intercontinental Airport to Baltimore/Wash International Thurgood Marshall Airport. Simply select your preferred arrival and departure times, airlines and number of stops. Or sort your results by 'Cheapest' to see the best deals.

Handy information about George Bush Intercontinental Airport (IAH)

Arriving at Baltimore/Wash International Thurgood Marshall Airport (BWI)

Getting from Baltimore/Wash International Thurgood Marshall Airport (BWI) to central Washington DC

  • Baltimore/Wash International Thurgood Marshall Airport is approximately 48 kilometres from the center of Washington DC. With your own car rental or in a cab, the drive is around 48 minutes.

  • When traveling by public transport, expect a journey of roughly 1 hour and 32 minutes.

When to fly to Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • The quietest month for a flight from George Bush Intercontinental Airport to Baltimore/Wash International Thurgood Marshall Airport is May, while July is the busiest. Pick the best time to go to Washington DC based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • The warmest month in Washington DC is July, with temperatures ranging between 19ºC and 33ºC. Book your flights from George Bush Intercontinental Airport to Baltimore/Wash International Thurgood Marshall Airport in this month if you enjoy this type of weather.

  • Look for cheap flight tickets from IAH to BWI in January if you like cooler conditions. Temperatures are at their lowest around then, ranging between -6ºC and 10ºC on average.

More about Washington DC

  • After booking your flights from IAH to BWI, you'll need to find a hotel in Washington DC. Make one of these options your base for exploring this exciting destination:

  • Every great journey has to include a little sightseeing. White House Historical Association, The White House and National Mall are must-visits when exploring Washington DC.

Complete your Washington DC trip with hotels and a car rental

  • You've booked your cheap ticket to Baltimore/Wash International Thurgood Marshall Airport — next on the list is finding a great stay, and maybe even a set of wheels. We've compared prices across hundreds of companies to bring you the best hotels and car rental deals in Washington DC.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.