$331 Cheap Alaska Airlines flights Tampa (TPA) to Washington (IAD)

View $331 flight on Thu, Oct 23, 2025Opens in a new window

$331 Cheap Alaska Airlines flights Tampa (TPA) to Washington (IAD)

Prices were available within the past 7 days and start at $331 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Tampa (TPA) to Washington (IAD)
Origin airport
Tampa Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, United
Popular airline
Frontier Airlines
Distance
812 mi
Average flight time
2 hours 19 mins

Frequently asked questions

How much is an Alaska Airlines flight from Tampa Intl. Airport (TPA) to Washington Dulles Intl. Airport (IAD)?
You'll find cheap round-trip Alaska Airlines flights from TPA to IAD by filtering your results from "Price (lowest to highest)" on Expedia. Or search for options from $331 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from TPA to IAD with Alaska Airlines?
Look for return or one-way flights to Washington in January or February. You could find lower fares with Alaska Airlines during these quieter months.
What is the cheapest time to book flights from Tampa Intl. Airport (TPA) to Washington Dulles Intl. Airport (IAD) with Alaska Airlines?
To find cheap Alaska Airlines fares from Tampa Intl. Airport (TPA) to Washington Dulles Intl. Airport (IAD), start searching one to three months before your intended departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also influence the cost. Sunday is generally the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by choosing to book on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Alaska Airlines fly nonstop from Tampa Intl. Airport (TPA) to Washington Dulles Intl. Airport (IAD)?
Simply enter your dates, hit search and select the "Nonstop" filter on Expedia to find any direct flights from TPA to IAD with Alaska Airlines or other airlines.
What is the earliest Alaska Airlines flight from TPA to IAD?
To find the earliest departures from TPA to IAD with Alaska Airlines, filter your search by "Early Morning" and "Morning." Booking an early flight generally means cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Alaska Airlines fly into in Washington?
Alaska Airlines flights from Tampa Intl. Airport (TPA) to Washington come in to Washington Dulles Intl. Airport (IAD). This is the main gateway to this destination.
Why fly with Alaska Airlines from TPA to IAD?
Offering top-tier customer service and an excellent in-flight experience, Alaska Airlines is the leading choice for many travelers flying from TPA to IAD. Also, if you're a Mileage Plan and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be used on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Alaska Airlines flight from Tampa Intl. Airport (TPA) to Washington Dulles Intl. Airport (IAD)?
Changes are typically free within 24 hours of booking, but your airline may charge a fee after that time. For more details about modifying your flights, check out your "Trips," select your flight and click on "Manage Booking." If you'd like the freedom to update your itinerary without additional charges, apply the "No cancel fee" or "Changes included" filter when organizing your next getaway.

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*Available to One Key members.