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Cheap flights from Pasco to Washington, D.C. from $129

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 3/4. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
12:45 pm - 11:49 pm
PSC
-
IAD
8h 04m
1 stop
Delta Logo
7:00 am - 11:41 am
IAD
-
PSC
7h 41m
1 stop
$298Delta
Tue, Mar 31 - Sat, Apr 4
Delta Logo
5:49 pm - 12:05 pm
PSC
-
IAD
15h 16m
2 stops
Delta Logo
5:07 pm - 11:39 pm
IAD
-
PSC
9h 32m
2 stops
$308Delta
Tue, Apr 28 - Tue, May 5
United Airlines Logo
6:17 am - 7:27 pm
PSC
-
IAD
10h 10m
1 stop
United Airlines Logo
4:03 pm - 8:54 pm
IAD
-
PSC
7h 51m
1 stop
$333United Airlines
Tue, Mar 3 - Sat, Mar 7
Alaska Airlines Logo
6:53 pm - 12:09 am
PSC
-
IAD
26h 16m
2 stops
Alaska Airlines Logo
9:00 am - 3:42 pm
IAD
-
PSC
9h 42m
1 stop
$335Alaska Airlines
Tue, Apr 28 - Tue, May 5
Alaska Airlines Logo
5:12 am - 5:20 pm
PSC
-
IAD
9h 08m
1 stop
Alaska Airlines Logo
7:05 am - 12:19 pm
IAD
-
PSC
8h 14m
1 stop
$339Alaska Airlines
Sat, Feb 28 - Wed, Mar 4
Delta Logo
6:45 am - 11:09 pm
PSC
-
IAD
13h 24m
2 stops
Delta Logo
7:00 am - 12:08 pm
IAD
-
PSC
8h 08m
1 stop
$344Delta
Sat, Mar 7 - Sat, Mar 14
Delta Logo
1:00 pm - 11:10 pm
PSC
-
IAD
7h 10m
1 stop
Delta Logo
12:35 pm - 10:37 pm
IAD
-
PSC
13h 02m
2 stops
$353Delta
Tue, Mar 3 - Sat, Mar 7
Delta Logo
5:00 pm - 9:13 am
PSC
-
IAD
13h 13m
2 stops
Delta Logo
12:35 pm - 10:37 pm
IAD
-
PSC
13h 02m
2 stops
$358Delta
Tue, Mar 3 - Sat, Mar 7
Delta Logo
12:45 pm - 11:49 pm
PSC
-
IAD
8h 04m
1 stop
Delta Logo
7:00 am - 11:41 am
IAD
-
PSC
7h 41m
1 stop
$379Delta
Wed, Mar 25 - Wed, Apr 8
Alaska Airlines Logo
7:17 pm - 7:34 am
PSC
-
IAD
9h 17m
1 stop
Alaska Airlines Logo
5:33 pm - 12:14 am
IAD
-
PSC
9h 41m
1 stop
$381Alaska Airlines
Tue, Jun 2 - Sat, Jun 6

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
Mar 3
PSC6:17 amPasco Tri Cities
10h 10m
1 stop
IAD7:27 pmWashington, D.C. Dulles Intl
Mar 7
IAD4:03 pmWashington, D.C. Dulles Intl
7h 51m
1 stop
PSC8:54 pmPasco Tri Cities
$333
United Airlines
Mar 7
PSC3:05 pmPasco Tri Cities
11h 31m
1 stop
IAD5:36 amWashington, D.C. Dulles Intl
Mar 14
IAD4:03 pmWashington, D.C. Dulles Intl
7h 51m
1 stop
PSC8:54 pmPasco Tri Cities
$410
United Airlines
Feb 28
PSC5:00 amPasco Tri Cities
13h 18m
2 stops
IAD9:18 pmWashington, D.C. Dulles Intl
Mar 4
IAD2:36 pmWashington, D.C. Dulles Intl
9h 41m
1 stop
PSC9:17 pmPasco Tri Cities
$428

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
Apr 28
PSC6:53 pmPasco Tri Cities
26h 16m
2 stops
IAD12:09 amWashington, D.C. Dulles Intl
May 5
IAD9:00 amWashington, D.C. Dulles Intl
9h 42m
1 stop
PSC3:42 pmPasco Tri Cities
$335
Alaska Airlines
Feb 28
PSC5:12 amPasco Tri Cities
9h 08m
1 stop
IAD5:20 pmWashington, D.C. Dulles Intl
Mar 4
IAD7:05 amWashington, D.C. Dulles Intl
8h 14m
1 stop
PSC12:19 pmPasco Tri Cities
$339
Alaska Airlines
Jun 2
PSC7:17 pmPasco Tri Cities
9h 17m
1 stop
IAD7:34 amWashington, D.C. Dulles Intl
Jun 6
IAD5:33 pmWashington, D.C. Dulles Intl
9h 41m
1 stop
PSC12:14 amPasco Tri Cities
$381

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 February 9, 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

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Tue 3/31

12:45 pm-11:49 pm

1 stop8h 04m

Washington, D.C. Dulles Intl

Sat 4/4

7:00 am-11:41 am

1 stop7h 41m

$298

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Tue 4/28

5:49 pm-12:05 pm

2 stops15h 16m

Washington, D.C. Dulles Intl

Tue 5/5

5:07 pm-11:39 pm

2 stops9h 32m

$308

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Tue 3/3

6:17 am-7:27 pm

1 stop10h 10m

Washington, D.C. Dulles Intl

Sat 3/7

4:03 pm-8:54 pm

1 stop7h 51m

$333

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Tue 4/28

6:53 pm-12:09 am

2 stops26h 16m

Washington, D.C. Dulles Intl

Tue 5/5

9:00 am-3:42 pm

1 stop9h 42m

$335

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Sat 2/28

5:12 am-5:20 pm

1 stop9h 08m

Washington, D.C. Dulles Intl

Wed 3/4

7:05 am-12:19 pm

1 stop8h 14m

$339

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Sat 3/7

6:45 am-11:09 pm

2 stops13h 24m

Washington, D.C. Dulles Intl

Sat 3/14

7:00 am-12:08 pm

1 stop8h 08m

$344

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Tue 3/3

1:00 pm-11:10 pm

1 stop7h 10m

Washington, D.C. Dulles Intl

Sat 3/7

12:35 pm-10:37 pm

2 stops13h 02m

$353

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Tue 3/3

5:00 pm-9:13 am

2 stops13h 13m

Washington, D.C. Dulles Intl

Sat 3/7

12:35 pm-10:37 pm

2 stops13h 02m

$358

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Wed 3/25

12:45 pm-11:49 pm

1 stop8h 04m

Washington, D.C. Dulles Intl

Wed 4/8

7:00 am-11:41 am

1 stop7h 41m

$379

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Tue 6/2

7:17 pm-7:34 am

1 stop9h 17m

Washington, D.C. Dulles Intl

Sat 6/6

5:33 pm-12:14 am

1 stop9h 41m

$381

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 month to fly to Washington, D.C. Dulles Intl Airport?

In general, March is the cheapest month to fly from Pasco to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $203. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of March, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $353.

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 16m

Direct flights

None
The fastest flight from Pasco to Washington, D.C. Dulles Intl Airport takes 7h 16m
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 16m, 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
8,174 reviews
Search Delta flights
United AirlinesPriceFrom $249Free CancellationRating
7.4
9,259 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $338Free CancellationRating
8.0
11,863 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
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Sterling
Fairfax
Linthicum Heights

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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