Direct flights from Houston to Washington

Did you mean Flights from Washington to Houston?

Houston

United States

IAH

George Bush Intercontinental Houston Airport

Washington

United States

DCA

Ronald Reagan Washington National Airport

Route: Nonstop service available
Distance: 1,206 miles
Marketing airlines: 4 airlines
Aircraft: 11 aircraft types
Dates: Nov 2, 2026 – Nov 1, 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.

Lowest price in this limited sample: 15,000 points + $33.00 for IAH → DCA, Economy, on 2026-11-14, booked with Aeroplan. This is an observed fare, not a guaranteed price or the lowest price across all dates and programs.

Departure window: 2026-11-12 – 2026-12-11.

IAH → DCAEconomy
UA331
15,000 points+ $33.00
Departure
2026-11-14
Seats seen
9
Book with
Aeroplan
Observed (UTC)
2026-11-10 19:10
IAH → DCAEconomy
UA1627
15,000 points+ $5.00
Departure
2026-11-14
Seats seen
1
Book with
United MileagePlus
Observed (UTC)
2026-11-10 22:26
IAH → DCAEconomy
UA1627
15,000 points+ $33.00
Departure
2026-11-14
Seats seen
9
Book with
Aeroplan
Observed (UTC)
2026-11-10 22:26
IAH → DCAEconomy
UA1627
15,000 points+ $33.00
Departure
2026-11-14
Seats seen
9
Book with
Aeroplan
Observed (UTC)
2026-11-10 19:10
IAH → DCAEconomy
UA331
15,000 points+ $33.00
Departure
2026-11-14
Seats seen
9
Book with
Aeroplan
Observed (UTC)
2026-11-10 22:26
IAH → DCAEconomy
UA1966
15,000 points+ $33.00
Departure
2026-11-14
Seats seen
9
Book with
Aeroplan
Observed (UTC)
2026-11-10 19:10
IAH → DCAEconomy
UA1966
15,000 points+ $5.00
Departure
2026-11-14
Seats seen
1
Book with
United MileagePlus
Observed (UTC)
2026-11-10 22:26
IAH → DCAEconomy
UA331
15,000 points+ $5.00
Departure
2026-11-14
Seats seen
1
Book with
United MileagePlus
Observed (UTC)
2026-11-10 22:26
IAH → DCAEconomy
UA1966
15,000 points+ $33.00
Departure
2026-11-14
Seats seen
9
Book with
Aeroplan
Observed (UTC)
2026-11-10 22:26
IAH → DCAEconomy
UA2224
15,000 points+ $5.00
Departure
2026-11-17
Seats seen
1
Book with
United MileagePlus
Observed (UTC)
2026-11-12 12:34
IAH → DCAEconomy
UA1627
15,000 points+ $5.00
Departure
2026-11-17
Seats seen
1
Book with
United MileagePlus
Observed (UTC)
2026-11-12 12:34
IAH → DCAEconomy
UA1966
15,000 points+ $5.00
Departure
2026-11-17
Seats seen
1
Book with
United MileagePlus
Observed (UTC)
2026-11-12 12:34

Houston to Washington route overview

George Bush Intercontinental Houston Airport (IAH) serves Houston; Ronald Reagan Washington National Airport (DCA) serves Washington.

The airports are 1,206 miles apart by great-circle distance.

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

Marketing airlines listed in the current schedule, including codeshare sellers, are American Airlines (AA), Emirates (EK), Air New Zealand (NZ) 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 Nov 2, 2026 – Nov 1, 2027.

Marketing airlines on the Houston to Washington 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.

Emirates (EK)Codeshare only
Air New Zealand (NZ)Codeshare only

Airline alliance affiliations represented: Oneworld, Star Alliance

Aircraft flying from IAH to DCA

Frequently asked questions

Which airports serve the Houston to Washington route?

George Bush Intercontinental Houston Airport (IAH) is the origin airport and Ronald Reagan Washington National Airport (DCA) is the destination airport.

How far is Washington from Houston?

IAH and DCA are approximately 1,206 miles apart by great-circle distance.

Are there direct flights from IAH to DCA?

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

Which airlines market flights from IAH to DCA?

Which aircraft fly from IAH to DCA?

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 737 MAX 8 (7M8), Canadair Regional Jet 700 | Regional Jet 550 (CR7), Embraer 175 (short wing) (E75), Embraer 175 (long wing) (E7W) and JET.