Cheap flights from Pasco to Washington Dulles

Compare Pasco to Washington Dulles flight deals

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

Book the best Washington Dulles fare with no extra fees

Flight deals from Pasco to Washington Dulles

Looking for a cheap last-minute deal or the best round-trip flight from Pasco Airport to Washington Dulles Airport? If you want to travel next month, round-trip fares start from $379. Find the lowest prices on one-way and round-trip tickets right here.

Washington, D.C..$379 per passenger.Departing Mon, Jun 1, returning Fri, Jun 5.Round-trip flight with Allegiant Air and Frontier Airlines.Outbound indirect flight with Allegiant Air, departing from Pasco on Mon, Jun 1, arriving in Washington Dulles.Inbound indirect flight with Frontier Airlines, departing from Washington Dulles on Fri, Jun 5, arriving in Pasco.Price includes taxes and charges.From $379, select.

Washington, D.C..$425 per passenger.Departing Tue, Jul 7, returning Tue, Jul 14.Round-trip flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departing from Pasco on Tue, Jul 7, arriving in Washington Dulles.Inbound indirect flight with Alaska Airlines, departing from Washington Dulles on Tue, Jul 14, arriving in Pasco.Price includes taxes and charges.From $425, select.

Washington, D.C..$435 per passenger.Departing Sat, May 30, returning Fri, Jun 5.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Pasco on Sat, May 30, arriving in Washington Dulles.Inbound indirect flight with Delta, departing from Washington Dulles on Fri, Jun 5, arriving in Pasco.Price includes taxes and charges.From $435, select.

Washington, D.C..$437 per passenger.Departing Tue, May 26, returning Fri, May 29.Round-trip flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departing from Pasco on Tue, May 26, arriving in Washington Dulles.Inbound indirect flight with Alaska Airlines, departing from Washington Dulles on Fri, May 29, arriving in Pasco.Price includes taxes and charges.From $437, select.

Washington, D.C..$642 per passenger.Departing Fri, Aug 7, returning Sun, Aug 9.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Pasco on Fri, Aug 7, arriving in Washington Dulles.Inbound indirect flight with Delta, departing from Washington Dulles on Sun, Aug 9, arriving in Pasco.Price includes taxes and charges.From $642, select.

Find the cheapest month to fly from Pasco to Washington Dulles

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

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

Pasco to Washington Dulles: Alternative routes

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

Pasco to Washington, D.C.: Flight information

The things to know before you go.

Cheapest flight found	$379
Cheapest month to fly	June

Finding cheap flights from Pasco to Washington Dulles: Frequently asked questions

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

The best price we found for a round-trip flight from Pasco to Washington Dulles is $379. 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.

Which airlines fly direct from Pasco to Washington Dulles?

Currently, there are no airlines that fly direct from Pasco to Washington Dulles. But we found flights with one or more stops from $379.

How many flights are there a week from Pasco to Washington Dulles?

There are no flights flying from Pasco to Washington Dulles, as of May 2026.

When is the cheapest time to fly from Pasco to Washington Dulles?

The cheapest month to fly from Pasco to Washington Dulles is usually June.

Which upcoming date is cheapest to fly from Pasco Airport to Washington Dulles Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Pasco Airport to Washington Dulles Airport on Monday, June 1, 2026.

Can I get a direct flight from Pasco Airport to Washington Dulles Airport?

No airlines currently offer direct flights between Pasco Airport and Washington Dulles Airport. Most routes have one or more stops.

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 Pasco Airport to Washington Dulles?

Currently, Allegiant Air offers the cheapest flight tickets to Washington Dulles.

Flying from Tri-Cities Airport (PSC) to Washington Dulles International Airport (IAD): what you need to know

Washington DC's timezone is UTC-4, making Washington DC three hours ahead of Pasco.
To ensure you catch your PSC to IAD flight, allow plenty of time to check in and drop off your luggage. Turning up two hours ahead of international departures and an hour before domestic flights is the standard rule.
Flying during a peak time like May? Public holidays and other popular seasons can result in longer queues and delays at security. Play it safe and get there up to four hours ahead of international flights and two hours before domestic departures.
We make it easy to book a flight with a stopover. To see your options for tickets from Tri-Cities Airport to Washington Dulles International Airport, deselect 'Direct flights only.' Then, pick a flight offering a stop long enough to explore the city of your choice. Worthwhile stopovers between PSC and IAD include:
- Minneapolis-St. Paul International Airport
- Denver International Airport
- Seattle-Tacoma International Airport

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

Currently, $218 is the lowest price we've seen for a one-way Tri-Cities Airport to Washington Dulles International Airport flight. The best price for a return plane ticket is $379. Remember that fares can change due to demand when booking.
Don't leave things to the last moment. You're more likely to find cheap tickets from PSC to IAD if you book ahead. Airlines often offer some fantastic early bird rates.
If you can be flexible with your travel plans, try using the 'Whole month' search tool. It'll show you the lowest price across the month when searching for your flight from Tri-Cities Airport to Washington Dulles International Airport.
There's no need to check back in every day to find out if fares have gone down when you set up a Price Alert. We'll update you as soon as there's a better deal on cheap flights from PSC to IAD.
Tailor your flights with filters. Choose your arrival and departure times, airlines and total journey duration. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest' flights from Tri-Cities Airport to Washington Dulles International Airport.

Handy information about Tri-Cities Airport (PSC)

PSC is located at 3601 N 20th Avenue.
Tri-Cities Airport earns top marks for on-time performance. 84.01% of flights that take off from PSC land on time.
To reach Tri-Cities Airport from central Pasco, it takes around 10 minutes by car. Of course, this depends on traffic. It's approximately 5 kilometers from the airport to the city center.
The journey when using public transport will take about 35 minutes.
Need a convenient hotel near PSC? If you've booked an early flight from Tri-Cities Airport to Washington Dulles International Airport, these accommodation options will put you moments from your check-in counter:

Arriving at Washington Dulles International Airport (IAD)

If you're getting in on a late Tri-Cities Airport to Washington Dulles International Airport flight, few things beat the convenience of being close to the terminal. Grab your bags from the carousel and then be showered and sleeping not long after at one of these accommodation options near IAD:
Travel at your own pace with a Washington Dulles International Airport rental car. Pick up your wheels from Dollar, Thrifty or Sixt and discover more of Washington DC and beyond.
To secure the lowest price, reserve your vehicle from Washington Dulles International Airport around one week before your trip.

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

IAD is located at 1 Saarinen Circle.
From Washington Dulles International Airport, Washington DC is approximately 56 kilometers away. It takes around 50 minutes to reach the center by car.
It takes around 3 hours 25 minutes if you're traveling by public transport.

When to fly to Washington Dulles International Airport (IAD)

It's time to work out your dates for your flight from Tri-Cities Airport to Washington Dulles International Airport. April is the busiest month to visit Washington DC. If you're after a more laid-back vibe, go in January.
Before locking in your flight from Tri-Cities Airport to Washington Dulles International Airport, consider the type of weather you enjoy. July is the warmest month in Washington DC, with temperatures ranging from 19ºC (66ºF) to 33ºC (91ºF).
Search for cheap tickets from PSC to IAD in January if you like traveling in cooler conditions. Temperatures are at their lowest then, ranging between -6ºC (21ºF) and 10ºC (50ºF) on average.

Explore more of United States

Washington DC is always a good idea, but there are so many other corners of United States you'll want to see. Around 322 kilometers north-east of Washington DC, a trip to New York will fill your itinerary to the brim. Start with attractions like Statue of Liberty, Central Park and Empire State Building.
If you're eager to discover another great destination in United States, head for Philadelphia, about 193 kilometers north-east of Washington DC. Liberty Bell, Independence Hall and Philadelphia Museum of Art are among its highlights.