Cheap Flights from Washington D.C. to Houston from US$72

Frequently Asked Questions

• What are the cheapest flights from Washington D.C. to Houston (WAS-HOU)?

  Based on Trip.com data, Frontier Airlines offers one-way fares as low as US$72 on Cheapest nonstop routes (e.g. IAD to IAH on Tue, Oct 13), while Frontier Airlines offers Cheapest nonstop round-trips from US$156 departing on Sat, Sep 12 and returning on Tue, Sep 15.

• Which airlines offer direct flights from Washington D.C. to Houston?

  At the moment, you can catch a nonstop flight from Washington D.C. to Houston with the following airlines, including: United Airlines American Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long is a flight from Washington D.C. to Houston?

  It takes about 4 hours 3 minutes to fly from Washington D.C. to Houston.

• When is the best time to book flights from Washington D.C. to Houston?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Washington D.C. to Houston is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there per week from Washington D.C. to Houston?

  Based on Trip.com data in the past 4 weeks, there is 112 flight per week flying from Washington D.C. to Houston. You can check the weekly schedule for popular airlines on this route below: United Airlines: S/M/T/W/T/F/S -- UA2190 (12:03)

• How can I find the best deals on flights from Washington D.C. to Houston?

  To find best deals on flights from Washington D.C. to Houston, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Oct 13, with one-way flights priced at just US$72.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is American Airlines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Houston travel is around January.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Washington D.C. (WAS) to Houston (HOU) the cheapest?

  The cheapest months to fly from Washington D.C. to Houston is November, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Washington D.C. to Houston on?

  After crunching the numbers on our August flight calendar, it's currently cheapest to fly from Washington D.C. to Houston on August 31, 2026 with Frontier Airlines, with prices starting at US$67.

• Which airports can I fly to for Houston from Washington D.C.?

  You can land at any one of the following hubs in Houston, with Ronald Reagan Washington National Airport to George Bush Intercontinental Airport (DCA-IAH) is by far the most common option on this route: William P. Hobby Airport (HOU) George Bush Intercontinental Airport (IAH).

• Is there any time difference between Washington D.C. and Houston?

  The time difference between Houston and Washington D.C. is 1h.

• How do I change or cancel my ticket from Washington D.C. to Houston?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average cost of a one-way flight from Washington D.C. to Houston?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Washington D.C. to Houston is US$191. Fares vary by travel date, airline and availability.

• What is the average cost of a round-trip flight from Washington D.C. to Houston?

  Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Washington D.C. to Houston is US$377. The final price depends on the outbound and return dates, airline and fare conditions.

• How do I book flights from Washington D.C. to Houston on Trip.com?

  Enter Washington D.C. and Houston, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

• Are there budget airlines on the Washington D.C. to Houston route?

  Frontier Airlinesare the most popular budget airlines flying from Washington D.C. to Houston. Check baggage, seat and payment fees before comparing the final price.