$98 Cheap Flights from Johnstown (JST) to Washington (IAD)

View $98 flight on Sun, Sep 21, 2025Opens in a new window

Popular airlines from Johnstown, PA (JST-John Murtha Johnstown - Cambria County) to Washington Dulles Intl. Airport (IAD)

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Cheap Flights from Johnstown to Washington (JST-IAD)

Prices were available within the past 7 days and start at $98 for one-way flights and $191 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Aug 19 - Sun, Aug 24
JST
Johnstown
IAD
Washington
$191 Roundtrip, found 1 day ago
$191
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 19 from Johnstown to Washington, returning Sun, Aug 24, priced at $191 found 1 day ago
United
Sun, Aug 3 - Sun, Aug 10
JST
Johnstown
IAD
Washington
$267 Roundtrip, found 5 days ago
$267
Roundtrip
found 5 days ago
Select United flight, departing Sun, Aug 3 from Johnstown to Washington, returning Sun, Aug 10, priced at $267 found 5 days ago
United
Tue, Aug 12 - Sat, Aug 23
JST
Johnstown
IAD
Washington
$342 Roundtrip, found 5 days ago
$342
Roundtrip
found 5 days ago
Select United flight, departing Tue, Aug 12 from Johnstown to Washington, returning Sat, Aug 23, priced at $342 found 5 days ago
United
Tue, Aug 19 - Sun, Aug 24
JST
Johnstown
IAD
Washington
$378 Roundtrip, found 1 day ago
$378
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 19 from Johnstown to Washington, returning Sun, Aug 24, priced at $378 found 1 day ago
United
Sun, Sep 28 - Wed, Oct 1
JST
Johnstown
IAD
Washington
$381 Roundtrip, found 14 hours ago
$381
Roundtrip
found 14 hours ago
Select United flight, departing Sun, Sep 28 from Johnstown to Washington, returning Wed, Oct 1, priced at $381 found 14 hours ago
United
Sun, Aug 3 - Thu, Aug 14
JST
Johnstown
IAD
Washington
$381 Roundtrip, found 2 days ago
$381
Roundtrip
found 2 days ago
Select United flight, departing Sun, Aug 3 from Johnstown to Washington, returning Thu, Aug 14, priced at $381 found 2 days ago
United
Mon, Aug 18 - Sat, Aug 23
JST
Johnstown
IAD
Washington
$392 Roundtrip, found 5 days ago
$392
Roundtrip
found 5 days ago
Select United flight, departing Mon, Aug 18 from Johnstown to Washington, returning Sat, Aug 23, priced at $392 found 5 days ago
United
Sun, Sep 28 - Wed, Oct 1
JST
Johnstown
IAD
Washington
$404 Roundtrip, found 5 days ago
$404
Roundtrip
found 5 days ago
Select United flight, departing Sun, Sep 28 from Johnstown to Washington, returning Wed, Oct 1, priced at $404 found 5 days ago
United
Sun, Sep 28 - Wed, Oct 1
JST
Johnstown
IAD
Washington
$418 Roundtrip, found 14 hours ago
$418
Roundtrip
found 14 hours ago
Select United flight, departing Sun, Sep 28 from Johnstown to Washington, returning Wed, Oct 1, priced at $418 found 14 hours ago
United
Sun, Aug 3 - Sat, Aug 9
JST
Johnstown
IAD
Washington
$431 Roundtrip, found 2 days ago
$431
Roundtrip
found 2 days ago
Select United flight, departing Sun, Aug 3 from Johnstown to Washington, returning Sat, Aug 9, priced at $431 found 2 days ago

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Washington Dulles Intl. IAD. Cheapest option available. Average driving time to city center is 36 minutes. Flights from $191
IAD
Washington Dulles Intl.
Cheapest
Average driving time to city center36 min
Flights from $191
0
Flights from Johnstown (JST) to Washington (IAD)
Origin airport
John Murtha Johnstown - Cambria County
Destination airport
Washington Dulles Intl.
Airlines serving
United
Roundtrip price
$190
Distance
119 mi

Johnstown to Washington Flights

The cheapest times to fly from Johnstown 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 Johnstown to Washington are during the month of August. You can find some of the cheapest flights from Johnstown to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Johnstown to Washington

Sunday is one of the best days to book for cheap flights from Johnstown 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 Johnstown 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 Johnstown to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $98 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 Johnstown 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 Johnstown 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 John Murtha Johnstown - Cambria County Airport (JST) to Washington Dulles Intl. Airport (IAD) cost?
Find cheap return tickets from John Murtha Johnstown - Cambria County Airport (JST) to Washington Dulles Intl. Airport (IAD) starting at $191. Book your seat and be on your way. 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 JST on August 4 2025 and touching down at IAD. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from JST to IAD?
The cheapest flights from JST 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 John Murtha Johnstown - Cambria County Airport (JST) to Washington Dulles Intl. Airport (IAD)?
When flying out of John Murtha Johnstown - Cambria County Airport (JST), you can take a direct flight to Washington Dulles Intl. Airport (IAD) with United Airlines.
What is the cheapest airline that flies from JST to IAD?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from JST to IAD. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from John Murtha Johnstown - Cambria County Airport (JST) to Washington Dulles Intl. Airport (IAD)?
On average, John Murtha Johnstown - Cambria County Airport (JST) only offers 1 direct flight to Washington Dulles Intl. Airport (IAD) each day. For more options, try Expedia's easy-to-use filter tool. Just enter your travel details, then select "1 Stop" or "2+ Stops" to find flights with layovers.
What are the most popular departure times for flights from John Murtha Johnstown - Cambria County Airport (JST) to Washington Dulles Intl. Airport (IAD)?
More people fly between JST and IAD at 6 AM than at any other time. Looking to skip the crowds? Pick a flight outside the busiest times and it's possible you'll save on your ticket as well.
What day of the week has the most flights from JST to IAD?
If you jet off on a Saturday, you'll get the biggest range of options for flights from John Murtha Johnstown - Cambria County Airport (JST) to Washington Dulles Intl. Airport (IAD).
What is the earliest flight from John Murtha Johnstown - Cambria County Airport (JST) to Washington Dulles Intl. Airport (IAD)?
John Murtha Johnstown - Cambria County Airport (JST)'s first flight to Washington Dulles Intl. Airport (IAD) is at approximately 6:10AM UTC-5. With a total journey time of 1h 18m, you'll arrive at around 7:28AM UTC-5.
How long does it take to fly from John Murtha Johnstown - Cambria County Airport (JST) to Washington Dulles Intl. Airport (IAD)?
Flights from JST to IAD have an average travel time of 1 hour and 18 minutes. The total distance between these two airports is 120 mi.
What airline has the least delays from JST to IAD?
With 90% of flights generally arriving as scheduled, United Airlines has the best on-time performance for direct flights from John Murtha Johnstown - Cambria County Airport (JST) to Washington Dulles Intl. Airport (IAD). To keep track of your flight status and receive notifications if anything changes, head to the Expedia App.
What is the best time to fly from John Murtha Johnstown - Cambria County Airport (JST) to Washington Dulles Intl. Airport (IAD)?
Opt for a flight from John Murtha Johnstown - Cambria County Airport (JST) to Washington Dulles Intl. Airport (IAD) that takes off before 3 PM to reduce the risk of cancellations. Departures after this time are on average 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 John Murtha Johnstown - Cambria County Airport (JST)?
Compare your flight options from John Murtha Johnstown - Cambria County Airport (JST) to Washington Dulles Intl. Airport (IAD). This is the only airport in Washington you can touch down at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from John Murtha Johnstown - Cambria County Airport (JST) to Washington Dulles Intl. Airport (IAD) last-minute?
Booking your ticket from JST to IAD just before your getaway is typically more expensive. But if there's some wiggle room with your schedule, you could grab a cheap last-minute fare.
Is it cheaper to book a JST to IAD flight and hotel package?
Opting for a JST to IAD flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Pick from our impressive range of stays and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from John Murtha Johnstown - Cambria County Airport (JST) to Washington Dulles Intl. Airport (IAD)?
If you booked your JST to IAD flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

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