What are the cheapest airlines flying from Dallas to Washington, D.C. round-trip?

According to our current data, Spirit Airlines ($120), Frontier ($121), and Southwest ($139) offers the cheapest pricing from Dallas to Washington, D.C.. These flights start at 50% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Dallas to Washington, D.C. one-way?

The cheapest airlines for a one-way flight from Dallas to Washington, D.C. are Spirit Airlines ($62), Southwest ($69), and American Airlines ($69).

How far ahead should I book a flight from Dallas to Washington, D.C.?

The best time to book flights from Dallas to Washington, D.C. is 90 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Dallas to Washington, D.C.?

Currently, August is the cheapest month in which you can book a flight from Dallas to Washington, D.C. (average of $241). Flying from Dallas to Washington, D.C. in March is currently the most expensive (average of $290). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from Dallas to Washington, D.C.?

Travelers seeking maximum savings on their Dallas to Washington, D.C. flight should consider departing on Saturday at noon when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Dallas to Washington, D.C.

The most flights from A78 to WAS are scheduled on a Wednesday (33 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (21 on average).

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What are the most popular routes from Dallas to Washington, D.C.?

When deciding which route to take from Dallas to Washington, D.C. consider Dallas/Fort Worth - Baltimore/Washington, Dallas/Fort Worth - Washington, D.C. Reagan-National or Dallas/Fort Worth - Washington, D.C. Dulles Intl as they are the most popular.

What are the cheapest flights from Dallas to Washington, D.C.?

The cheapest flight price from Dallas to Washington, D.C. is $46. On average you can expect to pay $1,366. The most popular route, (Dallas/Fort Worth - Baltimore/Washington), can usually be booked for $74.

What are the most reliable airlines from Dallas to Washington, D.C.?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Dallas to Washington, D.C. on time: Spirit Airlines (69%), Frontier (62%), American Airlines (58%).

What are the most popular airlines that fly from Dallas to Washington, D.C.?

American Airlines, Delta and Frontier are the most popular airlines when flying from Dallas to Washington, D.C..

What is the cheapest day to fly round-trip from Dallas to Washington, D.C.?

Departing on a Wednesday is a good option for securing a great price. You can expect to save up to 56% when planning your travel around this day of the week.

How far in advance should I book a flight from Dallas to Washington, D.C.?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 31 days in advance, which can save you up to 51% on flights from Dallas to Washington, D.C. compared to booking the week you need them. Waiting 31 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $230. For sooner than that we have options available in the next 3 days from $372.

What is the cheapest month to fly from Dallas to Washington, D.C.?

February can be a great time to fly to Washington, D.C. from Dallas with a flight ticket averaging about $242. Cheapflights users have found deals in the month of February for as cheap as $88. The most expensive prices can be found in the month of December.

What is the cheapest time of day to fly from DFW to WAS?

It’s optimal to fly from Dallas to Washington, D.C. in the evening. By choosing this option you can save up to 36% on the cost of your flight, compared to a flight in the afternoon.

Can I find deals for flights from Dallas to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on Dallas to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dallas to Washington, D.C.?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dallas to Washington, D.C..

Can I find deals for business class flights from Dallas to Washington, D.C.?

Yes. Cheapflights offers flight deals from Dallas to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$62+ Flights from Dallas to Washington, D.C.

Round-trip from	$120 (FlightHub)
One-way from	$62 (FlightHub)
Popular in	December
Cheapest in	February
Average price	$227

Basic Economy allows a personal item only; no carry-on bags unless you're a Premier member.

Economy Plus offers extra legroom seats at the front of the economy cabin for MileagePlus Premier members.

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$62	Average$183	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$81	Average$196	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$149	Average$360	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$149	Average$316	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$154	Average$340	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$175	Average$378	FlexibilityNo cancel fee	On-time71%

$62+ Cheap flights from Dallas to Washington, D.C. (WAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/9. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dallas to Washington, D.C. with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Dallas to Washington, D.C. are usually found in February or September, booked 90 days in advance, depart on a Thursday or Friday and return on a Friday

Cheap flight deals from Dallas to Washington, D.C.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Dallas to Washington, D.C.

Cheapest flights from Dallas to Washington, D.C.Explore the most affordable flight options available from Dallas to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juni 12, 2025.

Explore the most affordable flight options available from Dallas to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juni 12, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Dallas to Washington, D.C. that are best for you.

The best insider tips for Dallas to Washington, D.C. flights

Cheapflights partnered with top experts to bring you the best recommendations for your Dallas to Washington, D.C. trip

Airlines

Southwest

United Airlines

Airports

DFW

DAL

DCA

IAD

Our travel experts

Best time to book a flight from Dallas to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Dallas with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Dallas to Washington, D.C.

How far ahead should I book a flight from Dallas to Washington, D.C.?

Use this chart to determine the optimal time to book a round-trip flight from Dallas to Washington, D.C.. Price data was last updated on June 9, 2025.

What is the cheapest month to book a flight from Dallas to Washington, D.C.?

What is the cheapest time of day to fly from DFW to WAS?

Find hourly flight availability from Dallas to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated juni 12, 2025.

What is the cheapest day to fly from Dallas to Washington, D.C.?

Use this chart to determine the cheapest time to fly round-trip from Dallas to Washington, D.C.. Price data was last updated on December 16, 2024.

Weekly flight availability from Dallas to Washington, D.C.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

Reviews of airlines servicing Washington, D.C.

Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Dallas to Washington, D.C. to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Dallas to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from Dallas to Washington, D.C. round-trip?

What are the cheapest airlines to fly from Dallas to Washington, D.C. one-way?

What are the most popular routes from Dallas to Washington, D.C.?

What are the most reliable airlines from Dallas to Washington, D.C.?

What are the cheapest flights from Dallas to Washington, D.C.?

Can I find deals for flights from Dallas to Washington, D.C. that include hotel bookings?

How can I find direct flights from Dallas to Washington, D.C.?

Can I find deals for business class flights from Dallas to Washington, D.C.?

What is the cheapest month to book a flight from Dallas to Washington, D.C.?

Traveling to a place near Dallas?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dallas to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Dallas to Washington, D.C.

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Dallas to Washington, D.C.
Explore the most affordable flight options available from Dallas to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juni 12, 2025.