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Cheap flights from Pasco to Washington, D.C. from $166

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pasco to Washington, D.C. departing on 5/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Pasco to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
12:16 pm - 11:44 pm
PSC
-
IAD
8h 28m
1 stop
Delta Logo
12:12 pm - 7:51 pm
IAD
-
PSC
10h 39m
1 stop
$331Delta
Tue, Apr 21 - Tue, Apr 28
Delta Logo
5:49 pm - 12:05 pm
PSC
-
IAD
15h 16m
2 stops
Delta Logo
12:12 pm - 7:51 pm
IAD
-
PSC
10h 39m
1 stop
$336Delta
Tue, Apr 21 - Tue, Apr 28
Delta Logo
5:13 pm - 9:15 am
PSC
-
IAD
13h 02m
2 stops
Delta Logo
6:00 am - 4:33 pm
IAD
-
PSC
13h 33m
2 stops
$341Delta
Tue, Apr 21 - Tue, Apr 28
Alaska Airlines Logo
1:21 pm - 12:09 am
PSC
-
IAD
7h 48m
1 stop
Alaska Airlines Logo
7:10 am - 12:44 pm
IAD
-
PSC
8h 34m
1 stop
$357Alaska Airlines
Sat, May 2 - Wed, May 6
United Airlines Logo
1:39 pm - 1:25 am
PSC
-
IAD
8h 46m
1 stop
United Airlines Logo
2:21 pm - 9:01 pm
IAD
-
PSC
9h 40m
1 stop
$412United Airlines
Tue, Apr 14 - Sat, Apr 18
United Airlines Logo
1:39 pm - 1:25 am
PSC
-
IAD
8h 46m
1 stop
United Airlines Logo
6:30 am - 12:30 pm
IAD
-
PSC
9h 00m
1 stop
$418United Airlines
Tue, Apr 14 - Sun, Apr 19
Delta Logo
5:13 pm - 9:15 am
PSC
-
IAD
13h 02m
2 stops
Delta Logo
7:00 am - 11:48 am
IAD
-
PSC
7h 48m
1 stop
$420Delta
Tue, Apr 14 - Sat, Apr 18
Delta Logo
5:13 pm - 9:15 am
PSC
-
IAD
13h 02m
2 stops
Delta Logo
6:00 am - 5:09 pm
IAD
-
PSC
14h 09m
2 stops
$425Delta
Tue, Apr 14 - Sat, Apr 18
Alaska Airlines Logo
1:21 pm - 12:09 am
PSC
-
IAD
7h 48m
1 stop
Alaska Airlines Logo
7:10 am - 12:44 pm
IAD
-
PSC
8h 34m
1 stop
$441Alaska Airlines
Tue, May 5 - Wed, May 6
Alaska Airlines Logo
7:17 pm - 7:34 am
PSC
-
IAD
9h 17m
1 stop
Alaska Airlines Logo
6:00 am - 11:04 am
IAD
-
PSC
8h 04m
1 stop
$455Alaska Airlines
Wed, May 27 - Mon, Jun 8

Alaska Airlines flights from Pasco to Washington, D.C. Dulles Intl Airport

Our best Alaska Airlines deals on Pasco to Washington, D.C. Dulles Intl Airport flight tickets
Alaska Airlines
May 2
PSC1:21 pmPasco Tri Cities
7h 48m
1 stop
IAD12:09 amWashington, D.C. Dulles Intl
May 6
IAD7:10 amWashington, D.C. Dulles Intl
8h 34m
1 stop
PSC12:44 pmPasco Tri Cities
$357
Alaska Airlines
May 5
PSC1:21 pmPasco Tri Cities
7h 48m
1 stop
IAD12:09 amWashington, D.C. Dulles Intl
May 6
IAD7:10 amWashington, D.C. Dulles Intl
8h 34m
1 stop
PSC12:44 pmPasco Tri Cities
$441
Alaska Airlines
May 27
PSC7:17 pmPasco Tri Cities
9h 17m
1 stop
IAD7:34 amWashington, D.C. Dulles Intl
Jun 8
IAD6:00 amWashington, D.C. Dulles Intl
8h 04m
1 stop
PSC11:04 amPasco Tri Cities
$455

United Airlines flights from Pasco to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Pasco to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Apr 14
PSC1:39 pmPasco Tri Cities
8h 46m
1 stop
IAD1:25 amWashington, D.C. Dulles Intl
Apr 18
IAD2:21 pmWashington, D.C. Dulles Intl
9h 40m
1 stop
PSC9:01 pmPasco Tri Cities
$412
United Airlines
Apr 14
PSC1:39 pmPasco Tri Cities
8h 46m
1 stop
IAD1:25 amWashington, D.C. Dulles Intl
Apr 19
IAD6:30 amWashington, D.C. Dulles Intl
9h 00m
1 stop
PSC12:30 pmPasco Tri Cities
$418
United Airlines
Apr 10
PSC1:39 pmPasco Tri Cities
8h 46m
1 stop
IAD1:25 amWashington, D.C. Dulles Intl
Apr 15
IAD6:30 amWashington, D.C. Dulles Intl
9h 00m
1 stop
PSC12:30 pmPasco Tri Cities
$543

momondo Fare Finder

 
Customize your flight search to find flights from Pasco to Washington, D.C. Dulles Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 24, 2026.
Use the filters below to find and compare flights from Pasco to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Tue 4/21

12:16 pm-11:44 pm

1 stop8h 28m

Washington, D.C. Dulles Intl

Tue 4/28

12:12 pm-7:51 pm

1 stop10h 39m

$331

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Tue 4/21

5:49 pm-12:05 pm

2 stops15h 16m

Washington, D.C. Dulles Intl

Tue 4/28

12:12 pm-7:51 pm

1 stop10h 39m

$336

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Tue 4/21

5:13 pm-9:15 am

2 stops13h 02m

Washington, D.C. Dulles Intl

Tue 4/28

6:00 am-4:33 pm

2 stops13h 33m

$341
Quickest round-trip

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Sat 5/2

1:21 pm-12:09 am

1 stop7h 48m

Washington, D.C. Dulles Intl

Wed 5/6

7:10 am-12:44 pm

1 stop8h 34m

$357

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Tue 4/14

1:39 pm-1:25 am

1 stop8h 46m

Washington, D.C. Dulles Intl

Sat 4/18

2:21 pm-9:01 pm

1 stop9h 40m

$412

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Tue 4/14

1:39 pm-1:25 am

1 stop8h 46m

Washington, D.C. Dulles Intl

Sun 4/19

6:30 am-12:30 pm

1 stop9h 00m

$418

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Tue 4/14

5:13 pm-9:15 am

2 stops13h 02m

Washington, D.C. Dulles Intl

Sat 4/18

7:00 am-11:48 am

1 stop7h 48m

$420

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Tue 4/14

5:13 pm-9:15 am

2 stops13h 02m

Washington, D.C. Dulles Intl

Sat 4/18

6:00 am-5:09 pm

2 stops14h 09m

$425

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Tue 5/5

1:21 pm-12:09 am

1 stop7h 48m

Washington, D.C. Dulles Intl

Wed 5/6

7:10 am-12:44 pm

1 stop8h 34m

$441

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Wed 5/27

7:17 pm-7:34 am

1 stop9h 17m

Washington, D.C. Dulles Intl

Mon 6/8

6:00 am-11:04 am

1 stop8h 04m

$455

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Pasco to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Pasco Tri Cities to Washington, D.C. Dulles Intl?

American Airlines, Delta, and Alaska Airlines are the most popular carriers operating from Pasco Tri Cities to Washington, D.C. Dulles Intl

What airlines fly to Washington, D.C. Dulles Intl Airport?

Alaska Airlines, Delta and United Airlines are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Pasco according to our data. Alaska Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 3 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.

When to book flights from Pasco to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Pasco to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Pasco to Washington, D.C. Dulles Intl Airport (PSC to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Pasco to Washington, D.C. Dulles Intl Airport

Fastest flight time

7h 20m

Direct flights

None
The fastest flight from Pasco to Washington, D.C. Dulles Intl Airport takes 7h 20m
There are no direct flights from Pasco to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Pasco to Washington, D.C. Dulles Intl Airport.
Search flight deals

  • How far is Pasco Tri Cities to Washington, D.C. Dulles Intl by plane?

    There are 2149.8 mi between Pasco Tri Cities and Washington, D.C. Dulles Intl. Flights usually cover this in 7h 20m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Pasco Tri Cities Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Pasco Tri Cities Airport to Washington, D.C. Dulles Intl Airport were last updated today.

  • How many operators does momondo search for flights from Pasco Tri Cities Airport to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Pasco Tri Cities Airport to Washington, D.C. Dulles Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Pasco Tri Cities Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Pasco to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Pasco to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Pasco to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $149Free CancellationRating
7.9
8,321 reviews
Search Delta flights
United AirlinesPriceFrom $249Free CancellationRating
7.4
9,470 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $338Free CancellationRating
7.9
12,101 reviews
Search Alaska Airlines flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Laurel
Colonial Beach
Gaithersburg
Towson
Silver Spring
Fredericksburg
Rockville
Tysons
Manassas
Sterling
Linthicum Heights
Springfield
Bethesda

Why use momondo?

Why should I use momondo to find a flight deal from Pasco to Washington, D.C.?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Pasco to Washington, D.C. for you.

Can I find flights from Pasco to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Pasco to Washington, D.C. flights to just show those with flexible booking policies.

How can momondo help me find flights from Pasco to Washington, D.C.?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Pasco to Washington, D.C..

I’m not ready to book a flight from Pasco to Washington, D.C. right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Pasco to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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