$1,151+ Cheap flights from Washington to Niagara Falls, NY (IAG)
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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — IAG
Apr 6 — Apr 131
1 adult, Economy
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Keep the following information in mind while searching for Washington to Niagara Falls flight deals. Data was last updated April 1, 2025.
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Find flight deals from Washington to Niagara Falls
Cheapest flights from Washington to Niagara FallsExplore the most affordable flight options available from Washington to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2025.
Explore the most affordable flight options available from Washington to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2025.
This Mytrip deal was found by Cheapflights users on 4/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/39:48 amSEA - IAG
3 stops29h 42mMultiple Airlines
Thu 4/1711:01 amIAG - SEA
3 stops27h 34mMultiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$1,151
Best time to book a flight from Washington to Niagara Falls
Have a flexible travel schedule? Discover the best time to fly to Niagara Falls from Washington 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 to Niagara Falls
Rainfall in Niagara Falls by month
Plan your trip to Niagara Falls by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Niagara Falls, New York ranges from 2.2 - 3.4 inches per month. September is typically the wettest month, when rainfall can reach 3.4 in. February is typically the driest time to visit Niagara Falls, New York when rainfall is around 2.2 in.
Temperature in Niagara Falls by month
Plan your trip to Niagara Falls by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Niagara Falls, New York, 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 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).