$220 Cheap Flights from Huntsville (HSV) to Washington (IAD)

View $220 flight on Wed, Sep 3, 2025Opens in a new window

Popular airlines from Huntsville International Airport (HSV) to Washington Dulles Intl. Airport (IAD)

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Cheap Flights from Huntsville to Washington (HSV-IAD)

Prices were available within the past 7 days and start at $220 for one-way flights and $209 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Aug 20 - Sun, Aug 24
HSV
Huntsville
IAD
Washington
$209 Roundtrip, found 7 hours ago
$209
Roundtrip
found 7 hours ago
Select United flight, departing Wed, Aug 20 from Huntsville to Washington, returning Sun, Aug 24, priced at $209 found 7 hours ago
United
Tue, Sep 9 - Tue, Sep 16
HSV
Huntsville
IAD
Washington
$215 Roundtrip, found 4 days ago
$215
Roundtrip
found 4 days ago
Select United flight, departing Tue, Sep 9 from Huntsville to Washington, returning Tue, Sep 16, priced at $215 found 4 days ago
United
Wed, Aug 20 - Sun, Aug 24
HSV
Huntsville
IAD
Washington
$218 Roundtrip, found 7 hours ago
$218
Roundtrip
found 7 hours ago
Select United flight, departing Wed, Aug 20 from Huntsville to Washington, returning Sun, Aug 24, priced at $218 found 7 hours ago
United
Wed, Aug 20 - Sun, Aug 24
HSV
Huntsville
IAD
Washington
$219 Roundtrip, found 7 hours ago
$219
Roundtrip
found 7 hours ago
Select United flight, departing Wed, Aug 20 from Huntsville to Washington, returning Sun, Aug 24, priced at $219 found 7 hours ago
United
Fri, Dec 19 - Sat, Dec 27
HSV
Huntsville
IAD
Washington
$223 Roundtrip, found 4 days ago
$223
Roundtrip
found 4 days ago
Select United flight, departing Fri, Dec 19 from Huntsville to Washington, returning Sat, Dec 27, priced at $223 found 4 days ago
United
Wed, Oct 1 - Sun, Oct 5
HSV
Huntsville
IAD
Washington
$225 Roundtrip, found 2 days ago
$225
Roundtrip
found 2 days ago
Select United flight, departing Wed, Oct 1 from Huntsville to Washington, returning Sun, Oct 5, priced at $225 found 2 days ago
United
Wed, Aug 20 - Sun, Aug 24
HSV
Huntsville
IAD
Washington
$228 Roundtrip, found 7 hours ago
$228
Roundtrip
found 7 hours ago
Select United flight, departing Wed, Aug 20 from Huntsville to Washington, returning Sun, Aug 24, priced at $228 found 7 hours ago
United
Thu, Jul 24 - Thu, Jul 31
HSV
Huntsville
IAD
Washington
$228 Roundtrip, found 2 days ago
$228
Roundtrip
found 2 days ago
Select United flight, departing Thu, Jul 24 from Huntsville to Washington, returning Thu, Jul 31, priced at $228 found 2 days ago
Delta
Fri, Sep 12 - Sun, Sep 14
HSV
Huntsville
IAD
Washington
$229 Roundtrip, just found
$229
Roundtrip
just found
Select Delta flight, departing Fri, Sep 12 from Huntsville to Washington, returning Sun, Sep 14, priced at $229 just found
American Airlines
Sat, Jul 19 - Sun, Jul 20
HSV
Huntsville
IAD
Washington
$309 Roundtrip, found 4 hours ago
$309
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Sat, Jul 19 from Huntsville to Washington, returning Sun, Jul 20, priced at $309 found 4 hours ago

Find the cheapest month to fly from Huntsville (HSV) to Washington (IAD)

November is typically the cheapest month to fly

From $199 - $573 per traveler.

Graph displaying average flight prices per month

Flights from Huntsville (HSV) to Washington (IAD)
Origin airport
Huntsville Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$209
Distance
595 mi
Average flight time
3 hours 5 mins

Huntsville to Washington Flights

The cheapest times to fly from Huntsville to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Huntsville to Washington are during the month of August. You can find some of the cheapest flights from Huntsville to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Huntsville to Washington

Sunday is one of the best days to book for cheap flights from Huntsville to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Huntsville to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Huntsville to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $220 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Huntsville to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Huntsville to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Huntsville Intl. Airport (HSV) to Washington Dulles Intl. Airport (IAD) cost?
You can find cheap return fares from Huntsville Intl. Airport (HSV) to Washington Dulles Intl. Airport (IAD) starting at $209. Book your seat and set off on your next adventure. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving HSV on August 2 2025 and touching down at IAD. The price was last updated on July 12 2025 and has not changed since.
What is the cheapest month to fly from HSV to IAD?
The cheapest flights from HSV to IAD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Huntsville Intl. Airport (HSV) to Washington Dulles Intl. Airport (IAD)?
When flying out of Huntsville Intl. Airport (HSV), you can hop on a direct flight to Washington Dulles Intl. Airport (IAD) with United Airlines.
What is the cheapest airline that flies from HSV to IAD?
Right now, the cheapest airline operating one-way flights from HSV to IAD is United. You can jet off on this route from $224. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from HSV on August 8 2025. Prices were last updated on July 12 2025 and have not changed since.
How many flights per day from Huntsville Intl. Airport (HSV) to Washington Dulles Intl. Airport (IAD)?
With, on average, 3 nonstop flights departing from Huntsville Intl. Airport (HSV) to Washington Dulles Intl. Airport (IAD) daily, you'll be jetting off in no time.
What are the most popular departure times for flights from Huntsville Intl. Airport (HSV) to Washington Dulles Intl. Airport (IAD)?
The 8 AM departures from HSV to IAD are the most sought after. Greater demand means you'll likely pay more for these departures. If you're hoping to save money, book during off-peak hours.
What day of the week has the most flights from HSV to IAD?
Friday has the most flights from Huntsville Intl. Airport (HSV) to Washington Dulles Intl. Airport (IAD). Consider traveling on this day and you'll have the best chance of finding a departure that fits your schedule.
What is the earliest flight from Huntsville Intl. Airport (HSV) to Washington Dulles Intl. Airport (IAD)?
Hop on the earliest flight at around 8:15AM UTC-6, leaving from Huntsville Intl. Airport (HSV). You'll be flying for about 2h 4m, reaching Washington Dulles Intl. Airport (IAD) at approximately 11:19AM UTC-5.
How long does it take to fly from Huntsville Intl. Airport (HSV) to Washington Dulles Intl. Airport (IAD)?
It takes roughly 2 hours to cover the 600 mi from HSV to IAD.
What airline has the least delays from HSV to IAD?
With 84% of flights usually arriving on schedule, United Airlines has the best on-time performance for nonstop flights from Huntsville Intl. Airport (HSV) to Washington Dulles Intl. Airport (IAD). To keep track of your flight status and get notifications if anything changes, use the Expedia App.
What is the best time to fly from Huntsville Intl. Airport (HSV) to Washington Dulles Intl. Airport (IAD)?
To avoid possible delays on the Huntsville Intl. Airport (HSV) to Washington Dulles Intl. Airport (IAD) route, aim to fly before 3 PM. Flights after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Washington from Huntsville Intl. Airport (HSV)?
Take a direct flight from Huntsville Intl. Airport (HSV) to Washington and touch down at Ronald Reagan Washington National Airport (DCA). Another convenient point of entry into this destination is Washington Dulles Intl. Airport (IAD).
Is it cheaper to buy a plane ticket from Huntsville Intl. Airport (HSV) to Washington Dulles Intl. Airport (IAD) last-minute?
Last-minute fares from HSV to IAD are typically more expensive. To lock in the best prices, start looking for flights early. That being said, if your travel plans are flexible, you may land a cheap ticket right before your trip.
Is it cheaper to book a HSV to IAD flight and hotel package?
You can save money by booking a HSV to IAD flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've chosen your preferred flights and accommodations, consider adding extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Huntsville Intl. Airport (HSV) to Washington Dulles Intl. Airport (IAD)?
In most instances, you're able to cancel or reschedule your HSV to IAD flight. However, additional fees may apply, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like further information, go to our Customer Service portal.

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