Cheap Flights from Tri-Cities to Washington Dulles

Compare Tri-Cities to Washington Dulles flight deals

Find the cheapest month or even day of the year to fly to Washington Dulles

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Flight deals from Tri-Cities to Washington Dulles

Looking for a cheap last-minute deal or the best round-trip flight from Tri-Cities Airport to Washington Dulles Airport? If you want to travel next month, round-trip fares start from AED 363. Find the lowest prices on one-way and round-trip tickets right here.

Washington, D.C..AED 142 per passenger.Departing Fri, Dec 11.One-way flight with Breeze Airways.Outbound direct flight with Breeze Airways departing from Tri-Cities on Fri, Dec 11, arriving in Washington Dulles.Price includes taxes and charges.From AED 142, select.

Washington, D.C..AED 202 per passenger.Departing Mon, Jul 20.One-way flight with Breeze Airways.Outbound direct flight with Breeze Airways departing from Tri-Cities on Mon, Jul 20, arriving in Washington Dulles.Price includes taxes and charges.From AED 202, select.

Washington, D.C..AED 439 per passenger.Departing Sun, Aug 23.One-way flight with Allegiant Air.Outbound indirect flight with Allegiant Air, departing from Tri-Cities on Sun, Aug 23, arriving in Washington Dulles.Price includes taxes and charges.From AED 439, select.

Washington, D.C..AED 771 per passenger.Departing Sun, Sep 20.One-way flight with Allegiant Air.Outbound indirect flight with Allegiant Air, departing from Tri-Cities on Sun, Sep 20, arriving in Washington Dulles.Price includes taxes and charges.From AED 771, select.

Washington, D.C..AED 948 per passenger.Departing Sun, Oct 18.One-way flight with Delta.Outbound indirect flight with Delta, departing from Tri-Cities on Sun, Oct 18, arriving in Washington Dulles.Price includes taxes and charges.From AED 948, select.

Washington, D.C..AED 1,567 per passenger.Departing Thu, Jun 25.One-way flight with Delta.Outbound indirect flight with Delta, departing from Tri-Cities on Thu, Jun 25, arriving in Washington Dulles.Price includes taxes and charges.From AED 1,567, select.

Find the cheapest month to fly from Tri-Cities to Washington Dulles

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Tri-Cities to Washington Dulles flights are currently cheapest in December.

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Direct flights from Tri-Cities to Washington Dulles

Tri-Cities to Washington Dulles: Alternative routes

Compare routes from Tri-Cities to Washington, D.C. below. You may find an airport to fly into that's cheaper, faster, or easier than Washington Dulles.

Kingsport to Washington, D.C.: Flight information

The things to know before you go.

Cheapest flight found	AED 142
Cheapest month to fly	December
Average flight time	1 hr, 24 mins
Most popular airline	Breeze Airways
Average flights per week	3

Finding cheap flights from Tri-Cities to Washington Dulles: Frequently asked questions

How much are round-trip flights from Tri-Cities to Washington Dulles?

The best price we found for a round-trip flight from Tri-Cities to Washington Dulles is AED 287. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Tri-Cities to Washington Dulles?

1 hour and 24 minutes is the average flight time from Tri-Cities to Washington Dulles.

Which airlines fly direct from Tri-Cities to Washington Dulles?

Breeze Airways flies direct from Tri-Cities to Washington Dulles.

How many flights are there a week from Tri-Cities to Washington Dulles?

There are 3 flights per week flying from Tri-Cities to Washington Dulles, as of June 2026.

When is the cheapest time to fly from Tri-Cities to Washington Dulles?

The cheapest month to fly from Tri-Cities to Washington Dulles is usually August.

Which upcoming date is cheapest to fly from Tri-Cities Airport to Washington Dulles Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Tri-Cities Airport to Washington Dulles Airport on Monday, August 31, 2026.

Can I get a direct flight from Tri-Cities Airport to Washington Dulles Airport?

Yes – the average flight time is 1 hour and 24 minutes.

How can I find the best flight deal to Washington Dulles?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Washington Dulles but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Washington, D.C.?

We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Washington, D.C. is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly with from Tri-Cities Airport to Washington Dulles?

Currently, Breeze Airways offers the cheapest flight tickets to Washington Dulles.

Traveling from Tri-Cities Airport (TRI) to Washington Dulles Airport (IAD): what you need to know

Take a direct flight from Tri-Cities Airport to Washington Dulles Airport and you'll be in the air for an average of 1 hour 25 minutes.
Kingsport and Washington DC are in the same timezone, UTC-5.
Give yourself plenty of time to catch your TRI to IAD flight. A good rule of thumb is to arrive two hours before international departures and an hour ahead for domestic flights.
During popular months such as July, you'll want to get to the airport earlier. Plan to arrive two hours before domestic departures and four hours ahead for international flights whenever you're traveling during a peak period in general.
Breeze Airways is your gateway to exploring Washington DC (and perhaps some other great parts of the United States!). Browse the direct flights from Tri-Cities Airport to Washington Dulles Airport offered by this popular carrier.
Most travelers choose to fly with Breeze Airways on this route.

How to find the cheapest flights from Tri-Cities Airport (TRI) to Washington Dulles Airport (IAD)

AED 142 is the lowest price for a one-way Tri-Cities Airport to Washington Dulles Airport flight. A return flight starts from AED 287. These fares can change depending on availability.
To get your hands on cheap tickets from TRI to IAD, book ahead. Airlines tend to offer their most competitively priced fares when flights are first released.
If you're flexible with your travel plans, try using the 'Whole month' search tool. It'll find the cheapest price across each month when searching for a flight from Tri-Cities Airport to Washington Dulles Airport.
Cut down on the time spent looking for cheap flights from TRI to IAD by creating a Price Alert. We'll send you an email or push notification on the app when a new low fare is offered.
Discover the ideal flight for you with the help of the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Tri-Cities Airport to Washington Dulles Airport, use the 'Sort by' function. You can also filter by airline, departure and arrival times, and number of stops.

Handy information about Tri-Cities Airport (TRI)

The address for TRI is 2525 Tennessee 75.
Tri-Cities Airport has an excellent on-time record, so you're unlikely to face delays. Departures from TRI arrive on schedule 81% of the time.
Tri-Cities Airport is about 18 kilometers from central Kingsport. If you're driving, catching a cab or ride-sharing from the center, it'll take you 15 minutes or so to get there, depending on the traffic.
The journey on public transport usually takes 35 minutes.
Searching for a handy hotel close to TRI? If you're boarding an early flight from Tri-Cities Airport to Washington Dulles Airport, these accommodation options will have you moments from your departure lounge:

Arriving at Washington Dulles Airport (IAD)

Book a hotel close to IAD if you're on a late Tri-Cities Airport to Washington Dulles Airport flight. Settle into one of these options and avoid the hassle of a long transfer:
Say yes to new adventures by picking up a Washington Dulles Airport rental car. Grab your wheels from Dollar, Thrifty or Sixt and explore beyond Washington DC's usual tourist stops.
To get the lowest price, book your ride from Washington Dulles Airport about one week before you set off.

Getting from Washington Dulles Airport (IAD) to central Washington DC

IAD is located at 1 Saarinen Circle.
Washington Dulles Airport is approximately 40 kilometers from central Washington DC. The drive time takes about 45 minutes.
Traveling on public transport will take you roughly 1 hour 10 minutes.

When to fly to Washington Dulles Airport (IAD)

July is the most popular month for flights from Tri-Cities Airport to Washington Dulles Airport. To steer clear of the crowds, travel to Washington DC in February.
When booking your flight from Tri-Cities Airport to Washington Dulles Airport, consider the type of weather you like. July is the warmest month in Washington DC, with temperatures ranging from 19ºC (66ºF) to 33ºC (91ºF).
January sees average temperatures of between -6ºC (21ºF) and 10ºC (50ºF). Look for cheap tickets from TRI to IAD around that time if you want to travel when it's cooler.

Explore more of the United States

You've visited Washington DC, now it's time to discover other parts of the United States. Travel about 322 kilometers north-east to New York to tick off its must-visit sights. From Central Park to Statue of Liberty and Metropolitan Museum of Art, you'll have a full itinerary ahead.
Around 193 kilometers north-east of Washington DC, Philadelphia is another essential stop in the United States. Experience the best of this destination with a visit to Independence Hall, Liberty Bell and Philadelphia Museum of Art.