$204 Cheap Flights from Washington (IAD) to Ithaca (ITH)

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Find available prices by choosing your travel dates.

Cheap Flights from Washington to Ithaca (IAD-ITH)

Prices were available within the past 7 days and start at $204 for one-way flights and $179 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
United
Delta
United
Delta
Delta
United
Delta
United
Delta
Flights from Washington (IAD) to Ithaca (ITH)
Origin airport
Washington Dulles Intl.
Destination airport
Tompkins Regional
Airlines serving
Delta, United
Roundtrip price
$179
Distance
249 mi

Washington to Ithaca Flights

The cheapest times to fly from Washington to Ithaca

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 Washington to Ithaca are during the month of May. You can find some of the cheapest flights from Washington to Ithaca with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Ithaca

Sunday is one of the best days to book for cheap flights from Washington to Ithaca: 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 Washington to Ithaca

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 Washington to Ithaca in 2025. You can also book with separate airlines for your outbound and return journeys, from $204 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 Washington to Ithaca 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 Washington to Ithaca 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 Washington Dulles Intl. Airport (IAD) to Tompkins Regional Airport (ITH) cost?
Cheap return flights from Washington Dulles Intl. Airport (IAD) to Tompkins Regional Airport (ITH) start at $213. 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 IAD on May 6 2025 and touching down at ITH. The price was last updated on April 25 2025 and has not changed since.
What is the cheapest month to fly from IAD to ITH?
The cheapest flights from IAD to ITH are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from IAD to ITH?
Take off from IAD to ITH with United. This airline currently has the lowest one-way fare for this route, starting from $204. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from IAD on June 26 2025. Prices were last updated on April 25 2025 and have not changed since.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Tompkins Regional Airport (ITH)?
There are no daily nonstop flights available from Washington Dulles Intl. Airport (IAD) to Tompkins Regional Airport (ITH). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you’ll be cruising above the clouds before you know it.
What day of the week has the most flights from IAD to ITH?
You’ll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from IAD to ITH?
Consider booking with United Airlines if you’d like to fly straight from Washington Dulles Intl. Airport (IAD) to Tompkins Regional Airport (ITH) without any delays. This carrier has the strongest track record for punctuality, with an on-time performance of 80%. Want to be notified if anything changes? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Tompkins Regional Airport (ITH)?
To touch down at Tompkins Regional Airport (ITH) without delays, select a flight that leaves Washington Dulles Intl. Airport (IAD) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Ithaca from Washington Dulles Intl. Airport (IAD)?
Check out your flight options from Washington Dulles Intl. Airport (IAD) to Hancock Intl. Airport (SYR). This is the only Ithaca airport you can touch down at if you’re taking a direct flight.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to Tompkins Regional Airport (ITH) last-minute?
Holding off until just before your departure to book a flight from IAD to ITH often results in higher prices. While you might find some last-minute offers, they aren’t always guaranteed. Keep your travel plans flexible for a better chance of scoring a bargain.
Is it cheaper to book an IAD to ITH flight and hotel package?
Compared with arranging hotels and flights separately, booking an IAD to ITH flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one convenient place takes the hassle out of planning your trip. Simply pick your flights and choose from our wide range of stays, then tailor your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Tompkins Regional Airport (ITH)?
It’s generally possible to reschedule or cancel your IAD to ITH flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline’s policies in your itinerary to see what changes are possible and whether any costs are involved. You’ll also find more details on our Customer Service portal.

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*Available to One Key members.