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Dulles Intl

$234+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
ITH — IAD
Apr 18 — Apr 251
Sat 4/18
Sat 4/25
1 adult, Economy
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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 March 19, 2026.

This Delta deal was found by Cheapflights users on 3/17. 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.
Sat 4/251:34 pm
ITH
-
IAD
1 stop4h 34m
Delta
Mon 4/276:50 pm
IAD
-
ITH
1 stop4h 56m
Delta
Deal found 3/17$259
This Delta deal was found by Cheapflights users on 3/16. 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.
Mon 4/135:20 am
ITH
-
IAD
1 stop6h 45m
Delta
Mon 4/206:50 pm
IAD
-
ITH
1 stop4h 56m
Delta
Deal found 3/16$289
This United Airlines deal was found by Cheapflights users on 3/15. 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 3/206:00 am
ITH
-
IAD
Nonstop1h 33m
United Airlines
Sun 3/228:30 am
IAD
-
ITH
Nonstop1h 12m
United Airlines
Deal found 3/15$349
This Delta deal was found by Cheapflights users on 3/14. 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 9/55:55 am
ITH
-
IAD
1 stop5h 56m
Delta
Tue 9/87:59 pm
IAD
-
ITH
1 stop17h 21m
Delta
Deal found 3/14$357
This Delta deal was found by Cheapflights users on 3/17. 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 5/11:34 pm
ITH
-
IAD
1 stop4h 34m
Delta
Fri 5/87:33 pm
IAD
-
ITH
1 stop4h 32m
Delta
Deal found 3/17$359
This United Airlines deal was found by Cheapflights users on 3/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:38 pm
ITH
-
IAD
Nonstop1h 19m
United Airlines
Mon 4/208:30 am
IAD
-
ITH
Nonstop1h 18m
United Airlines
Deal found 3/16$370
This United Airlines deal was found by Cheapflights users on 3/18. 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.
Sun 4/56:00 am
ITH
-
IAD
Nonstop1h 22m
United Airlines
Sun 4/1210:39 pm
IAD
-
ITH
Nonstop1h 20m
United Airlines
Deal found 3/18$379
This United Airlines deal was found by Cheapflights users on 3/17. 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.
Sat 4/257:38 pm
ITH
-
IAD
Nonstop1h 19m
United Airlines
Mon 4/278:30 am
IAD
-
ITH
Nonstop1h 18m
United Airlines
Deal found 3/17$382
This Delta deal was found by Cheapflights users on 3/14. 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 9/55:55 am
ITH
-
IAD
1 stop5h 56m
Delta
Mon 9/77:59 pm
IAD
-
ITH
1 stop17h 21m
Delta
Deal found 3/14$402
This Delta deal was found by Cheapflights users on 3/15. 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 4/101:33 pm
ITH
-
IAD
1 stop5h 46m
Delta
Tue 4/146:50 pm
IAD
-
ITH
1 stop4h 56m
Delta
Deal found 3/15$409

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 March 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$259
(Delta)

One-way from

$234
(United Airlines)

Popular in

February

Cheapest in

January

Average price

$539

Good round-trip deal

$417 or less

Good one-way deal

$309 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. 23% potential increase in price ($110 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 19, 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

Mon 4/13

1:34 pm-11:03 pm

2 stops9h 29m

Washington, D.C. Dulles Intl

Mon 4/20

6:50 pm-11:46 pm

1 stop4h 56m

$424

IthacaWashington, D.C.

ITH - IAD

ITHIAD

Ithaca Tompkins County

Wed 4/29

7:38 pm-8:57 pm

Nonstop1h 19m

Washington, D.C. Dulles Intl

Sat 5/2

10:24 pm-11:44 pm

Nonstop1h 20m

$459

IthacaWashington, D.C.

ITH - IAD

ITHIAD

Ithaca Tompkins County

Thu 4/16

5:20 am-12:05 pm

1 stop6h 45m

Washington, D.C. Dulles Intl

Sun 4/19

6:50 pm-11:46 pm

1 stop4h 56m

$475
Quickest round-trip

IthacaWashington, D.C.

ITH - IAD

ITHIAD

Ithaca Tompkins County

Wed 4/1

7:38 pm-8:57 pm

Nonstop1h 19m

Washington, D.C. Dulles Intl

Wed 4/8

8:30 am-9:48 am

Nonstop1h 18m

$488

IthacaWashington, D.C.

ITH - IAD

ITHIAD

Ithaca Tompkins County

Wed 4/1

1:33 pm-7:19 pm

1 stop5h 46m

Washington, D.C. Dulles Intl

Wed 4/8

7:59 pm-11:59 pm

1 stop4h 00m

$559

IthacaWashington, D.C.

ITH - IAD

ITHIAD

Ithaca Tompkins County

Wed 4/22

7:38 pm-8:57 pm

Nonstop1h 19m

Washington, D.C. Dulles Intl

Fri 4/24

10:39 pm-11:59 pm

Nonstop1h 20m

$562

IthacaWashington, D.C.

ITH - IAD

ITHIAD

Ithaca Tompkins County

Mon 5/4

7:40 pm-8:59 pm

Nonstop1h 19m

Washington, D.C. Dulles Intl

Fri 5/8

10:24 pm-11:44 pm

Nonstop1h 20m

$572

IthacaWashington, D.C.

ITH - IAD

ITHIAD

Ithaca Tompkins County

Wed 4/29

7:38 pm-8:57 pm

Nonstop1h 19m

Washington, D.C. Dulles Intl

Fri 5/1

8:30 am-9:48 am

Nonstop1h 18m

$572
Cheapest one-way

IthacaWashington, D.C.

ITH - IAD

ITHIAD

Ithaca Tompkins County

Mon 7/13

5:55 am-11:51 am

1 stop5h 56m

$254

IthacaWashington, D.C.

ITH - IAD

ITHIAD

Ithaca Tompkins County

Thu 7/9

5:55 am-11:51 am

1 stop5h 56m

$254

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/19

Showing 1-10 of 19 resultsSorted by cheapest first
1
2
  • 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, December is the cheapest month in which you can book a flight from Ithaca to Washington, D.C. Dulles Intl Airport (average of $145). Flying from Ithaca to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $228). 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 March 19, 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 March 19, 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
9,439 reviews

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

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
9,439 reviews
United Airlines
7.4
Good
9,439 reviews

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

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 3 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 1h 19m. Airlines will cover a distance of 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 Ithaca to Washington, D.C. Dulles Intl Airport round-trip?

    United Airlines, at $179, 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 51% 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 $208. On average you can expect to pay $497. The most popular route, (Ithaca Tompkins County - Washington, D.C. Dulles Intl), can usually be booked for $259.

  • 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, December is the cheapest month in which you can book a flight from Ithaca to Washington, D.C. Dulles Intl Airport (average of $145). Flying from Ithaca to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $228). 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
Woodbridge
Tysons
Owings Mills
Arlington
Springfield
Silver Spring
Herndon
Hyattsville
Hanover
Laurel
Rockville
Upper Marlboro
Fredericksburg
Largo
Bowie
Clinton
Towson
College Park
Cordova

Browse thousands of different options on Cheapflights for your next trip

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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 March 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$179Average$294FlexibilityNo cancel feeOn-time69%

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