HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$339+ Cheap flights from Ithaca to Seattle (ITH - SEA)

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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
ITH — SEA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ithaca to Seattle 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 Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Ithaca (ITH) to Seattle (SEA). 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 June 12, 2025.

Round-trip from

$593
(United Airlines)

One-way from

$339
(United Airlines)

Popular in

June

Cheapest in

January

Average price

$1,398
From Ithaca Tompkins County to Seattle/Tacoma Intl
Search Deals
One-way flight from Ithaca Tompkins County to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 30% potential increase in price ($284 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease ($67 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Ithaca to Seattle

Cheapest flights from Ithaca to Seattle
Explore the most affordable flight options available from Ithaca to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/9. 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 6/257:50 pmITH - SEA
1 stop8h 09mUnited Airlines
Sun 6/295:10 amSEA - ITH
2 stops15h 20mUnited Airlines
Deal found 6/9$593
This Delta deal was found by Cheapflights users on 6/12. 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 9/53:05 pmITH - SEA
1 stop11h 10mDelta
Sun 9/1411:15 amSEA - ITH
1 stop9h 07mDelta
Deal found 6/12$639

Cheapflights Fare Finder

Customize your flight search to find flights from Ithaca to Seattle 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 June 12, 2025.
Use the filters below to find and compare flights from Ithaca to Seattle that are best for you.

Fly from

Ithaca

Fly to

Seattle

Route

Depart

Return

Price

IthacaSeattle

ITH - SEA

ITHSEA

Ithaca Tompkins County

Wed 6/25

7:50 pm-12:59 am

1 stop8h 09m

Seattle/Tacoma Intl

Sun 6/29

5:10 am-11:30 pm

2 stops15h 20m

$593

IthacaSeattle

ITH - SEA

ITHSEA

Ithaca Tompkins County

Fri 9/5

3:05 pm-11:15 pm

1 stop11h 10m

Seattle/Tacoma Intl

Sun 9/14

11:15 am-11:22 pm

1 stop9h 07m

$639

IthacaSeattle

ITH - SEA

ITHSEA

Ithaca Tompkins County

Tue 7/15

6:15 am-11:50 am

1 stop8h 35m

$339

IthacaSeattle

ITH - SEA

ITHSEA

Ithaca Tompkins County

Thu 8/28

3:05 pm-11:15 pm

1 stop11h 10m

$340

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Best time to book a flight from Ithaca to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle 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 Seattle

What is the cheapest month to book a flight from Ithaca to Seattle?

Currently, January is the cheapest month in which you can book a flight from Ithaca to Seattle (average of $238). Flying from Ithaca to Seattle in July is currently the most expensive (average of $391). 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.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Related info for your journey

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

  • What are the cheapest airlines flying from Ithaca to Seattle round-trip?

    United Airlines, at $593, was found to be the cheapest airline from Ithaca to Seattle. An alternate airline flying to your destination would be Delta. United Airlines is 10% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

  • How can I find direct flights from Ithaca to Seattle?

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

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

    Yes. Cheapflights offers flight deals from Ithaca to Seattle 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 Seattle?

    Currently, January is the cheapest month in which you can book a flight from Ithaca to Seattle (average of $238). Flying from Ithaca to Seattle in July is currently the most expensive (average of $391). 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 Ithaca?

Book flights to Ithaca if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lacey
Leavenworth
Federal Way
Lynnwood
Olympia
Shoreline
Kent
Cle Elum
Centralia
Kirkland
Aberdeen
Renton
Shelton
Silverdale
Issaquah

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 Ithaca to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Seattle flights
John F Kennedy Intl to Seattle flights
LaGuardia to Seattle flights
John F Kennedy Intl to Portland flights
Newark to Portland flights
LaGuardia to Portland flights
Syracuse to Seattle flights
Rochester to Seattle flights
White Plains to Seattle flights
Newark to Spokane flights
John F Kennedy Intl to Spokane flights
Buffalo to Seattle flights
Albany to Seattle flights
LaGuardia to Spokane flights
Syracuse to Portland flights
Albany to Portland flights
Rochester to Portland flights
John F Kennedy Intl to Pasco flights
Buffalo to Portland flights
Newark to Pasco flights
White Plains to Portland flights
Elmira to Seattle flights
LaGuardia to Pasco flights
John F Kennedy Intl to Bellingham flights
Stewart to Seattle flights
White Plains to Spokane flights
Newark to Bellingham flights
Islip to Seattle flights
Binghamton to Seattle flights
Elmira to Portland flights
Ithaca to Portland flights
Buffalo to Spokane flights
Newark to Pullman flights
Albany to Spokane flights
John F Kennedy Intl to Wenatchee flights
Islip to Portland flights
Binghamton to Portland flights
John F Kennedy Intl to Walla Walla flights
LaGuardia to Bellingham flights
Newark to Walla Walla flights
Rutland to Seattle flights
Rochester to Spokane flights
Syracuse to Pasco flights
Newark to Wenatchee flights
Syracuse to Bellingham flights
Rutland to Portland flights
Plattsburgh to Spokane flights
Stewart to Portland flights

Top 2 airlines flying from Ithaca to Seattle

Discover the top 2 airlines that operate flights from Ithaca to Seattle. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$313Average$688FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$387Average$667FlexibilityNo 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.