$79 Cheap United flights Tampa (TPA) to Washington (IAD)

View $79 flight on Wed, Jul 16, 2025Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

$79 Cheap United flights Tampa (TPA) to Washington (IAD)

Prices were available within the past 7 days and start at $79 for one-way flights and $157 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Jul 16 - Sun, Jul 20
TPA
Tampa
IAD
Washington
$157 Roundtrip, just found
$157
Roundtrip
just found
Select United flight, departing Wed, Jul 16 from Tampa to Washington, returning Sun, Jul 20, priced at $157 just found
United
Mon, Sep 15 - Wed, Sep 17
TPA
Tampa
IAD
Washington
$163 Roundtrip, found 1 hour ago
$163
Roundtrip
found 1 hour ago
Select United flight, departing Mon, Sep 15 from Tampa to Washington, returning Wed, Sep 17, priced at $163 found 1 hour ago
United
Mon, Sep 15 - Wed, Sep 17
TPA
Tampa
IAD
Washington
$167 Roundtrip, found 1 hour ago
$167
Roundtrip
found 1 hour ago
Select United flight, departing Mon, Sep 15 from Tampa to Washington, returning Wed, Sep 17, priced at $167 found 1 hour ago
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 21 mins

Frequently asked questions

How much is a United Airlines flight from Tampa Intl. Airport (TPA) to Washington Dulles Intl. Airport (IAD)?
Use the "Price (lowest to highest)" filter on Expedia to find cheap United Airlines return flights from $157 from TPA to IAD. Affordable one-way options from $79 are also on offer.**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 United Airlines?
January is one of the most affordable months to jet off to Washington with United Airlines. You could also find great deals on one-way and round-trip tickets in February.
What is the cheapest time to book flights from Tampa Intl. Airport (TPA) to Washington Dulles Intl. Airport (IAD) with United Airlines?
To find cheap United Airlines fares from Tampa Intl. Airport (TPA) to Washington Dulles Intl. Airport (IAD), start searching one to three months before your intended departure. Securing 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 price you pay. Sunday tends to be 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 United Airlines fly nonstop from Tampa Intl. Airport (TPA) to Washington Dulles Intl. Airport (IAD)?
United Airlines offers direct flights from Tampa Intl. Airport (TPA) to Washington Dulles Intl. Airport (IAD), with 19 departures every week. Just apply the "Nonstop" and "Airline" filters during your search on Expedia to show all direct United Airlines flights to IAD.
How long does it take to fly from TPA to IAD with United Airlines?
It takes approximately 2h 16m to fly nonstop from Tampa Intl. Airport (TPA) to Washington Dulles Intl. Airport (IAD) with United Airlines.
Which day of the week has the most United Airlines flights from Tampa Intl. Airport (TPA) to Washington Dulles Intl. Airport (IAD)?
United Airlines operates the most flights from Tampa Intl. Airport (TPA) to Washington Dulles Intl. Airport (IAD) on Thursday. With up to 3 daily departures, you'll get the most options and flexibility on this day.
What is the earliest United Airlines flight from TPA to IAD?
Setting off from TPA at 9:00AM UTC-5, the first United Airlines flight to IAD arrives at 11:17AM UTC-5. Traveling early means you're less likely to encounter delays.* Not a morning person? The last United Airlines flight from TPA to IAD departs at 7:08PM UTC-5 and touches down at 9:25PM UTC-5.*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 United Airlines fly into in Washington?
When flying from Tampa Intl. Airport (TPA) to Washington with United Airlines, you're most likely to land at Washington Dulles Intl. Airport (IAD). This is the airline's primary hub in the city. Other nearby airports such as Ronald Reagan Washington National Airport (DCA) and Baltimore Washington Intl. Thurgood Marshall Airport (BWI) may offer more affordable fares, so it's a smart idea to explore all options on Expedia.
Why fly with United Airlines from TPA to IAD?
With a rewarding loyalty program, United Airlines is a favorite of many travelers flying from TPA to IAD. Plus, as a United Mileage Plus and One Key™ member booking through Expedia, you can earn OneKeyCash™* on eligible flights on top of your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does United Airlines fly from Tampa Intl. Airport (TPA) to Washington Dulles Intl. Airport (IAD)?
For the Tampa Intl. Airport (TPA) to Washington Dulles Intl. Airport (IAD) route, United Airlines typically operates Boeing 737-800 and Boeing 737 MAX 8 planes. Remember that last-minute changes can occur for operational demands, so your flight may be on a different aircraft.
Can I change or cancel my United Airlines flight from Tampa Intl. Airport (TPA) to Washington Dulles Intl. Airport (IAD)?
Changes are generally free within 24 hours of making a booking, but your airline may charge you after that. For more details about modifying your reservation, head to your "Trips," select your flight and click on "Manage Booking." If you'd like the flexibility to update your itinerary without extra charges, check the "No cancel fee" or "Changes included" filter when planning your next getaway.

Explore a world of travel with Expedia

*Available to One Key members.