HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ithaca

$189+ Cheap flights from Dulles Intl (IAD) to Ithaca (ITH)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — ITH
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Ithaca with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Dulles Intl to Ithaca

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Ithaca (ITH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 18, 2025.

Round-trip from

$189
(United Airlines)

Popular in

December

Cheapest in

February

Average price

$333

Good round-trip deal

$354 or less

Good one-way deal

$418 or less
From Washington, D.C. Dulles Intl to Ithaca Tompkins County
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($76 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Ithaca Tompkins County.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Ithaca Tompkins County.
Search Deals

Find flight deals from Dulles Intl to Ithaca

Cheapest flights from Dulles Intl to Ithaca
Explore the most affordable flight options available from Dulles Intl to Ithaca. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/210:25 pmIAD - ITH
Nonstop1h 18mUnited Airlines
Sat 9/67:50 pmITH - IAD
Nonstop1h 22mUnited Airlines
Deal found 8/18$189
This United Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2910:25 pmIAD - ITH
Nonstop1h 18mUnited Airlines
Sun 8/316:10 amITH - IAD
Nonstop1h 22mUnited Airlines
Deal found 8/17$199
This Delta deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/128:17 pmIAD - ITH
1 stop3h 48mDelta
Sat 9/205:42 amITH - IAD
1 stop6h 14mDelta
Deal found 8/16$214
This Delta deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/317:59 pmIAD - ITH
1 stop4h 22mDelta
Sat 11/82:05 pmITH - IAD
2 stops8h 55mDelta
Deal found 8/15$219
This Trip.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1310:25 pmIAD - ITH
Nonstop1h 18mUnited Airlines
Mon 9/157:50 pmITH - IAD
Nonstop1h 22mUnited Airlines
Deal found 8/18$235
This United Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/35:20 pmIAD - ITH
Nonstop1h 18mUnited Airlines
Wed 9/107:50 pmITH - IAD
Nonstop1h 22mUnited Airlines
Deal found 8/17$244
This United Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2910:25 pmIAD - ITH
Nonstop1h 18mUnited Airlines
Mon 9/17:50 pmITH - IAD
Nonstop1h 22mUnited Airlines
Deal found 8/15$249
This United Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2910:25 pmIAD - ITH
Nonstop1h 18mUnited Airlines
Tue 9/27:50 pmITH - IAD
Nonstop1h 22mUnited Airlines
Deal found 8/17$259
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/31:00 pmIAD - ITH
2 stops11h 21mDelta
Wed 9/105:37 amITH - IAD
1 stop6h 25mDelta
Deal found 8/17$264
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/128:17 pmIAD - ITH
1 stop3h 48mDelta
Sun 9/145:42 amITH - IAD
1 stop6h 14mDelta
Deal found 8/17$274
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/277:59 pmIAD - ITH
1 stop17h 18mDelta
Tue 12/25:55 amITH - IAD
1 stop5h 55mDelta
Deal found 8/17$303

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Ithaca that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 18, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Ithaca that are best for you.

Fly from

Dulles Intl

Fly to

Ithaca

Route

Depart

Return

Price

Washington, D.C.Ithaca

IAD - ITH

IADITH

Washington, D.C. Dulles Intl

Tue 9/2

10:25 pm-11:43 pm

Nonstop1h 18m

Ithaca Tompkins County

Sat 9/6

7:50 pm-9:12 pm

Nonstop1h 22m

$189

Washington, D.C.Ithaca

IAD - ITH

IADITH

Washington, D.C. Dulles Intl

Fri 10/31

7:59 pm-12:21 am

1 stop4h 22m

Ithaca Tompkins County

Sat 11/8

5:40 am-11:57 am

1 stop6h 17m

$199

Washington, D.C.Ithaca

IAD - ITH

IADITH

Washington, D.C. Dulles Intl

Fri 8/29

10:25 pm-11:43 pm

Nonstop1h 18m

Ithaca Tompkins County

Sun 8/31

6:10 am-7:32 am

Nonstop1h 22m

$199

Washington, D.C.Ithaca

IAD - ITH

IADITH

Washington, D.C. Dulles Intl

Fri 9/12

8:17 pm-12:05 am

1 stop3h 48m

Ithaca Tompkins County

Sat 9/20

5:42 am-11:56 am

1 stop6h 14m

$214

Washington, D.C.Ithaca

IAD - ITH

IADITH

Washington, D.C. Dulles Intl

Sat 9/13

10:25 pm-11:43 pm

Nonstop1h 18m

Ithaca Tompkins County

Mon 9/15

7:50 pm-9:12 pm

Nonstop1h 22m

$235

Washington, D.C.Ithaca

IAD - ITH

IADITH

Washington, D.C. Dulles Intl

Wed 9/3

5:20 pm-6:38 pm

Nonstop1h 18m

Ithaca Tompkins County

Wed 9/10

7:50 pm-9:12 pm

Nonstop1h 22m

$244

Washington, D.C.Ithaca

IAD - ITH

IADITH

Washington, D.C. Dulles Intl

Fri 9/5

10:25 pm-11:43 pm

Nonstop1h 18m

Ithaca Tompkins County

Mon 9/8

7:50 pm-9:12 pm

Nonstop1h 22m

$244

Washington, D.C.Ithaca

IAD - ITH

IADITH

Washington, D.C. Dulles Intl

Fri 8/29

10:25 pm-11:43 pm

Nonstop1h 18m

Ithaca Tompkins County

Mon 9/1

7:50 pm-9:12 pm

Nonstop1h 22m

$249

Washington, D.C.Ithaca

IAD - ITH

IADITH

Washington, D.C. Dulles Intl

Sat 8/30

10:25 pm-11:43 pm

Nonstop1h 18m

Ithaca Tompkins County

Sun 8/31

6:10 am-7:32 am

Nonstop1h 22m

$249

Washington, D.C.Ithaca

IAD - ITH

IADITH

Washington, D.C. Dulles Intl

Fri 9/19

8:17 pm-12:05 am

1 stop3h 48m

Ithaca Tompkins County

Sun 9/21

5:42 am-11:56 am

1 stop6h 14m

$259

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 23 results
1
2
3

Best time to book a flight from Dulles Intl to Ithaca

Have a flexible travel schedule? Discover the best time to fly to Ithaca from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Ithaca

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Ithaca?

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Ithaca (average of $359). Flying from Washington, D.C. Dulles Intl Airport to Ithaca in August is currently the most expensive (average of $471). 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 time of day to fly from IAD to ITH?

Find hourly flight availability from Dulles Intl to Ithaca. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 18, 2025.

One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Ithaca is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 23% on airfare.

Reviews of airlines servicing Ithaca

Get insights into the airlines that provide service to Ithaca. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ithaca. Reviews last updated August 18, 2025.
Peruse reviews from past customers who have flown with United Airlines from Washington, D.C. Dulles Intl Airport to Ithaca to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,925 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,925 reviews
United Airlines
7.4
Good
8,925 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Ithaca. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ithaca from Washington, D.C. Dulles Intl?

    Ithaca Tompkins County (ITH) is the airport you will fly into if you book a flight from Washington, D.C. Dulles Intl to Ithaca. You should not have trouble finding flights to Tompkins County from Washington, D.C. Dulles Intl; the airport handles an average of 1 inbound flight from Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 1 airline has flights to the Ithaca airport from Washington, D.C. Dulles Intl. It is only a 4.0 mi journey from Tompkins County (ITH) to Ithaca’s city center.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Ithaca?

    There are many flights that can get you from Washington, D.C. Dulles Intl Airport to Ithaca in 1h 18m. Fly via United Airlines or Delta to get the fastest option. The distance between Washington, D.C. Dulles Intl Airport and Ithaca is about 250 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to Ithaca round-trip?

    Our cheapest airline available from Washington, D.C. Dulles Intl Airport to Ithaca is United Airlines. Our recent data shows that you can find tickets from as low as $199 on this airline.

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Ithaca?

    While on average a flight from Washington, D.C. Dulles Intl Airport to Ithaca is generally $464, our data shows the cheapest flight currently is $278. When looking at the most popular route, (Washington, D.C. Dulles Intl - Ithaca Tompkins County), you can expect to pay $189 for that flight.

  • Can I find deals for flights from Dulles Intl to Ithaca that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Ithaca flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Ithaca?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Ithaca.

  • Can I find deals for business class flights from Dulles Intl to Ithaca?

    Yes. Cheapflights offers flight deals from Dulles Intl to Ithaca by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Ithaca?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Ithaca (average of $359). Flying from Washington, D.C. Dulles Intl Airport to Ithaca in August is currently the most expensive (average of $471). 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.

See more FAQs

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 Dulles Intl to Ithaca

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to John F Kennedy Intl flights
Reagan-National to John F Kennedy Intl flights
Dulles Intl to LaGuardia flights
Reagan-National to Newark flights
Reagan-National to LaGuardia flights
Dulles Intl to Newark flights
Dulles Intl to Albany flights
Dulles Intl to Buffalo flights
Baltimore to LaGuardia flights
Baltimore to John F Kennedy Intl flights
Baltimore to Newark flights
Baltimore to Albany flights
Baltimore to Buffalo flights
Reagan-National to Buffalo flights
Dulles Intl to Syracuse flights
Reagan-National to Syracuse flights
Dulles Intl to Rochester flights
Reagan-National to Rochester flights
Reagan-National to Albany flights
Baltimore to Syracuse flights
Dulles Intl to White Plains flights
Baltimore to Rochester flights
Reagan-National to White Plains flights
Baltimore to White Plains flights
Reagan-National to Ithaca flights
Dulles Intl to Islip flights
Baltimore to Islip flights
Baltimore to Stewart flights
Dulles Intl to Plattsburgh flights
Dulles Intl to Rutland flights
Reagan-National to Saranac Lake flights
Baltimore to Ithaca flights
Reagan-National to Islip flights
Reagan-National to Elmira flights
Dulles Intl to Elmira flights
Reagan-National to Rutland flights
Reagan-National to Binghamton flights
Dulles Intl to Stewart flights
Reagan-National to Watertown flights
Baltimore to Binghamton flights
Dulles Intl to Saranac Lake flights
Baltimore to Elmira flights
Dulles Intl to Watertown flights
Baltimore to Saranac Lake flights
Baltimore to Niagara Falls flights
Dulles Intl to Binghamton flights
Baltimore to Plattsburgh flights
Baltimore to Watertown flights
Reagan-National to Stewart flights

Top airline flying from Dulles Intl to Ithaca

Discover the top airline that operate flights from Dulles Intl to Ithaca. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$199Average$343FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.