HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$239+ Cheap flights from Ithaca (ITH) to Dulles Intl (IAD)

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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
ITH — IAD
Aug 31 — Sep 71
Mon 8/31
Mon 9/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ithaca to Dulles Intl 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 Ithaca to Dulles Intl

Cheapest flights from Ithaca to Dulles Intl
Explore the most affordable flight options available from Ithaca to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2026.

This United Airlines deal was found by Cheapflights users on 7/28. 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.
Sat 9/196:00 am
ITH
-
IAD
Nonstop1h 18m
United Airlines
Wed 9/238:30 am
IAD
-
ITH
Nonstop1h 20m
United Airlines
Deal found 7/28$249
This Delta deal was found by Cheapflights users on 7/28. 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.
Sat 9/265:45 am
ITH
-
IAD
1 stop6h 00m
Delta
Fri 10/26:26 pm
IAD
-
ITH
1 stop5h 08m
Delta
Deal found 7/28$269
This Delta deal was found by Cheapflights users on 7/28. 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 9/21:10 pm
ITH
-
IAD
2 stops10h 16m
Delta
Mon 9/77:15 pm
IAD
-
ITH
1 stop5h 27m
Delta
Deal found 7/28$274
This Delta deal was found by Cheapflights users on 7/28. 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.
Sat 9/265:45 am
ITH
-
IAD
1 stop6h 00m
Delta
Wed 10/76:32 pm
IAD
-
ITH
1 stop4h 31m
Delta
Deal found 7/28$284
This Delta deal was found by Cheapflights users on 7/29. 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 9/31:10 pm
ITH
-
IAD
1 stop5h 23m
Delta
Mon 9/77:15 pm
IAD
-
ITH
1 stop5h 27m
Delta
Deal found 7/29$289
This Delta deal was found by Cheapflights users on 7/29. 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 8/261:10 pm
ITH
-
IAD
2 stops10h 16m
Delta
Wed 9/27:15 pm
IAD
-
ITH
1 stop5h 27m
Delta
Deal found 7/29$294
This Delta deal was found by Cheapflights users on 7/27. 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 8/125:30 am
ITH
-
IAD
1 stop6h 19m
Delta
Sun 8/167:19 pm
IAD
-
ITH
1 stop5h 23m
Delta
Deal found 7/27$299
This Delta deal was found by Cheapflights users on 7/28. 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 8/51:10 pm
ITH
-
IAD
1 stop5h 23m
Delta
Wed 8/127:19 pm
IAD
-
ITH
1 stop5h 23m
Delta
Deal found 7/28$314
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Sat 9/267:59 pm
ITH
-
IAD
Nonstop1h 16m
United Airlines
Sun 10/410:28 pm
IAD
-
ITH
Nonstop1h 16m
United Airlines
Deal found 7/28$319
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Thu 8/207:59 pm
ITH
-
IAD
Nonstop1h 14m
United Airlines
Mon 8/248:30 am
IAD
-
ITH
Nonstop1h 19m
United Airlines
Deal found 7/28$320
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Thu 8/207:59 pm
ITH
-
IAD
Nonstop1h 14m
United Airlines
Sun 8/2310:28 pm
IAD
-
ITH
Nonstop1h 16m
United Airlines
Deal found 7/30$321
This Delta deal was found by Cheapflights users on 7/27. 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.
Tue 10/131:09 pm
ITH
-
IAD
1 stop4h 24m
Delta
Sat 10/176:32 pm
IAD
-
ITH
1 stop4h 31m
Delta
Deal found 7/27$324

Find flight deals from Ithaca to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Ithaca (ITH) to Dulles Intl (IAD). 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 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$249
(United Airlines)

One-way from

$239
(United Airlines)

Popular in

August

Cheapest in

January

Average price

$892

Good round-trip deal

$416 or less

Good one-way deal

$263 or less
Provider with most accurate pricing for Ithaca Tompkins County-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ithaca Tompkins County-Washington, D.C. Dulles Intl flights.
Search Deals
From Ithaca Tompkins County to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Ithaca Tompkins County to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from Ithaca Tompkins County to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from Ithaca Tompkins County to Washington, D.C. Dulles Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ithaca to Dulles Intl 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 1, 2026.
Use the filters below to find and compare flights from Ithaca to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IthacaWashington, D.C.

ITH - IAD

ITHIAD

Ithaca Tompkins County

Sat 8/22

5:30 am-11:49 am

1 stop6h 19m

Washington, D.C. Dulles Intl

Sun 8/23

7:19 pm-12:42 am

1 stop5h 23m

$269

IthacaWashington, D.C.

ITH - IAD

ITHIAD

Ithaca Tompkins County

Thu 10/1

1:00 pm-5:46 pm

1 stop4h 46m

Washington, D.C. Dulles Intl

Sat 10/3

6:26 pm-11:34 pm

1 stop5h 08m

$269

IthacaWashington, D.C.

ITH - IAD

ITHIAD

Ithaca Tompkins County

Fri 10/2

1:00 pm-5:46 pm

1 stop4h 46m

Washington, D.C. Dulles Intl

Wed 10/7

6:32 pm-11:03 pm

1 stop4h 31m

$284

IthacaWashington, D.C.

ITH - IAD

ITHIAD

Ithaca Tompkins County

Thu 8/20

5:30 am-11:49 am

1 stop6h 19m

Washington, D.C. Dulles Intl

Sun 8/23

7:19 pm-12:42 am

1 stop5h 23m

$289

IthacaWashington, D.C.

ITH - IAD

ITHIAD

Ithaca Tompkins County

Wed 8/26

1:10 pm-6:33 pm

1 stop5h 23m

Washington, D.C. Dulles Intl

Wed 9/2

7:15 pm-12:42 am

1 stop5h 27m

$289

IthacaWashington, D.C.

ITH - IAD

ITHIAD

Ithaca Tompkins County

Thu 9/3

1:10 pm-6:33 pm

1 stop5h 23m

Washington, D.C. Dulles Intl

Mon 9/7

7:15 pm-12:42 am

1 stop5h 27m

$289

IthacaWashington, D.C.

ITH - IAD

ITHIAD

Ithaca Tompkins County

Tue 9/1

1:10 pm-11:26 pm

2 stops10h 16m

Washington, D.C. Dulles Intl

Tue 9/8

6:26 pm-11:34 pm

1 stop5h 08m

$289
Quickest round-trip

IthacaWashington, D.C.

ITH - IAD

ITHIAD

Ithaca Tompkins County

Tue 9/29

7:59 pm-9:15 pm

Nonstop1h 16m

Washington, D.C. Dulles Intl

Mon 10/5

10:28 pm-11:44 pm

Nonstop1h 16m

$319

IthacaWashington, D.C.

ITH - IAD

ITHIAD

Ithaca Tompkins County

Wed 9/30

6:15 am-7:31 am

Nonstop1h 16m

Washington, D.C. Dulles Intl

Tue 10/6

10:28 pm-11:44 pm

Nonstop1h 16m

$319

IthacaWashington, D.C.

ITH - IAD

ITHIAD

Ithaca Tompkins County

Fri 10/2

6:15 am-7:31 am

Nonstop1h 16m

Washington, D.C. Dulles Intl

Sun 10/4

10:28 pm-11:44 pm

Nonstop1h 16m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3
  • Most accurate provider: When it comes to deals on Ithaca-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ithaca-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ithaca-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ithaca-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ithaca-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ithaca to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Ithaca 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 Ithaca to Washington, D.C. Dulles Intl Airport

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

Currently, January is the cheapest month in which you can book a flight from Ithaca to Washington, D.C. Dulles Intl Airport (average of $224). Flying from Ithaca to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of $892). 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 ITH to IAD?

Find hourly flight availability from Ithaca to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 1, 2026.

When flying from Ithaca to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated August 1, 2026.
Read through reviews of airlines operating flights from Ithaca to Washington, D.C. Dulles Intl Airport, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,062 reviews

Food

6.7

Overall

7.4

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
10,062 reviews
United Airlines
7.4
Good
10,062 reviews

Food

6.7

Overall

7.4

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Ithaca to Dulles Intl. 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 from for flights from Ithaca to Washington, D.C. Dulles Intl?

    If you book a flight to Washington, D.C. Dulles Intl from Ithaca, you will be flying from Tompkins County, which is the city’s only airport. Ithaca Tompkins County (ITH) is located 4.0 mi from the center of Ithaca. There are 2 flights from Tompkins County to Washington, D.C. Dulles Intl per day from 1 airline.

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

    Departing from Ithaca to Washington, D.C. Dulles Intl Airport will take you 6h 19m. Airlines will cover a distance of 250 mi.

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

    United Airlines, at $194, was found to be the cheapest airline from Ithaca to Washington, D.C. Dulles Intl Airport.. You may be able to fly from Ithaca to Washington, D.C. Dulles Intl Airport for 61% less than the average price by searching for this airline.

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

    The cheapest flight price from Ithaca to Washington, D.C. Dulles Intl Airport is $192. On average you can expect to pay $484. The most popular route, (Ithaca Tompkins County - Washington, D.C. Dulles Intl), can usually be booked for $249.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ithaca to Dulles Intl 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 Ithaca to Washington, D.C. Dulles Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Ithaca to Washington, D.C. Dulles Intl Airport (average of $224). Flying from Ithaca to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of $892). 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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Owings Mills
Arlington
Tysons
Springfield
Lanham
Reston
Herndon
Rockville
Chantilly
Hyattsville
Fredericksburg
Falls Church
Hanover
Laurel
Sterling
Clinton
Hunt Valley
Cordova
Woodbridge

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.

Top airline flying from Ithaca to Dulles Intl

Discover the top airline that operate flights from Ithaca to Dulles Intl. 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 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$194Average$348FlexibilityNo 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.