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Direct flights from Houston to Dulles

Did you mean Flights from Dulles to Houston?

Flightmap/Flights from IAH/IAH to IAD

Houston

United States

IAH

George Bush Intercontinental Houston Airport

Dulles

United States

IAD

Washington Dulles International Airport

Route
Nonstop service available
Distance
1,189 miles
Marketing airlines
8 airlines
Aircraft
10 aircraft types
Dates
Oct 19, 2026 – Oct 18, 2027

Observed award fares

A sample of one-way prices for one traveler from Roame’s fare cache. Points, fees, and seats describe the same observation. Availability can change; confirm with the loyalty program before transferring points.

Departure window: 2026-10-23 – 2026-11-21.

No recent fares appear in this limited preview. This does not mean the route is sold out. Use the search controls to check other dates and routes.

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Explore these airports and cities

  • Flights from IAH
  • Flights to IAD
  • Award flights to Washington DC

Houston to Dulles route overview

George Bush Intercontinental Houston Airport (IAH) serves Houston; Washington Dulles International Airport (IAD) serves Dulles.

The airports are 1,189 miles apart by great-circle distance.

Roame's current schedule feed shows nonstop service from IAH to IAD.

Marketing airlines listed in the current schedule, including codeshare sellers, are Avianca (AV), Alitalia (AZ), Air China (CA), Emirates (EK), Swiss International Air Lines (LX), Air New Zealand (NZ), Brussels Airlines (SN) and United Airlines (UA). This list does not identify the operating airline for each flight; check the flight details before booking.

Published schedule dates span Oct 19, 2026 – Oct 18, 2027.

Marketing airlines on the Houston to Dulles route

These are marketing airlines, including codeshare sellers. This list does not identify the operating airline for each flight; check the flight details before booking.

  • Avianca (AV)Codeshare only
  • Alitalia (AZ)Codeshare only
  • Air China (CA)Codeshare only
  • Emirates (EK)Codeshare only
  • Swiss International Air Lines (LX)Codeshare only
  • Air New Zealand (NZ)Codeshare only
  • Brussels Airlines (SN)Codeshare only

Airline alliance affiliations represented: Star Alliance

Aircraft flying from IAH to IAD

Frequently asked questions

Which airports serve the Houston to Dulles route?

George Bush Intercontinental Houston Airport (IAH) is the origin airport and Washington Dulles International Airport (IAD) is the destination airport.

How far is Dulles from Houston?

IAH and IAD are approximately 1,189 miles apart by great-circle distance.

Are there direct flights from IAH to IAD?

Yes. Roame's current schedule feed shows nonstop service from IAH to IAD.

Which airlines market flights from IAH to IAD?

Marketing airlines listed in the current schedule, including codeshare sellers, are Avianca (AV), Alitalia (AZ), Air China (CA), Emirates (EK), Swiss International Air Lines (LX), Air New Zealand (NZ), Brussels Airlines (SN) and United Airlines (UA). This list does not identify the operating airline for each flight; check the flight details before booking.

Which aircraft fly from IAH to IAD?

Aircraft listed in the current schedule include Airbus A319 (319), Airbus A320 (320), Airbus A321neo (32Q), Boeing 737-800 (738), Boeing 737-900 / Boeing 737-900ER (739), Boeing 737-700 / Boeing 737-700ER (73G), Boeing 767-300 (763), Boeing 787-9 (789), Boeing 737 MAX 8 (7M8) and JET.

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