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Cheap flights from Washington, D.C. Dulles Intl Airport to Pasco from $189

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Pasco departing on 1/29. 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 Washington, D.C. Dulles Intl Airport to Pasco

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:10 pm - 9:10 pm
IAD
-
PSC
10h 00m1 stop
United Airlines Logo
5:00 am - 4:35 pm
PSC
-
IAD
8h 35m1 stop
$338United Airlines
Thu, Jan 15 - Wed, Jan 21
Delta Logo
2:15 pm - 7:56 pm
IAD
-
PSC
8h 41m1 stop
Delta Logo
1:00 pm - 11:10 pm
PSC
-
IAD
7h 10m1 stop
$353Delta
Tue, Jan 27 - Thu, Jan 29
Delta Logo
5:26 pm - 11:38 pm
IAD
-
PSC
9h 12m2 stops
Delta Logo
1:00 pm - 11:10 pm
PSC
-
IAD
7h 10m1 stop
$358Delta
Tue, Jan 27 - Thu, Jan 29
Alaska Airlines Logo
7:05 am - 8:55 pm
IAD
-
PSC
16h 50m1 stop
Alaska Airlines Logo
8:25 am - 5:20 pm
PSC
-
IAD
29h 55m1 stop
$365Alaska Airlines
Thu, Mar 5 - Thu, Mar 12
Delta Logo
12:23 pm - 11:09 pm
IAD
-
PSC
13h 46m2 stops
Delta Logo
1:00 pm - 11:10 pm
PSC
-
IAD
7h 10m1 stop
$370Delta
Wed, Jan 14 - Mon, Jan 19
United Airlines Logo
4:11 pm - 9:13 pm
IAD
-
PSC
8h 02m1 stop
United Airlines Logo
3:18 pm - 5:32 am
PSC
-
IAD
11h 14m1 stop
$373United Airlines
Fri, Jan 9 - Thu, Jan 15
United Airlines Logo
2:10 pm - 9:10 pm
IAD
-
PSC
10h 00m1 stop
United Airlines Logo
3:18 pm - 5:32 am
PSC
-
IAD
11h 14m1 stop
$374United Airlines
Wed, Jan 14 - Mon, Jan 19
Alaska Airlines Logo
6:04 pm - 8:57 pm
IAD
-
PSC
29h 53m1 stop
Alaska Airlines Logo
5:59 am - 4:26 pm
PSC
-
IAD
7h 27m1 stop
$384Alaska Airlines
Sat, Jan 10 - Wed, Jan 14
Alaska Airlines Logo
6:20 pm - 8:55 pm
IAD
-
PSC
29h 35m2 stops
Alaska Airlines Logo
7:04 pm - 5:20 pm
PSC
-
IAD
19h 16m1 stop
$404Alaska Airlines
Thu, Mar 5 - Thu, Mar 12
United Airlines Logo
2:10 pm - 9:10 pm
IAD
-
PSC
10h 00m1 stop
United Airlines Logo
5:00 am - 4:35 pm
PSC
-
IAD
8h 35m1 stop
$409United Airlines
Fri, Jan 9 - Thu, Jan 15

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

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Pasco flight tickets
United Airlines
Jan 15
IAD2:10 pmWashington, D.C. Dulles Intl
10h 00m
1 stop
PSC9:10 pmPasco Tri Cities
Jan 21
PSC5:00 amPasco Tri Cities
8h 35m
1 stop
IAD4:35 pmWashington, D.C. Dulles Intl
$338
Find similar
United Airlines
Jan 9
IAD4:11 pmWashington, D.C. Dulles Intl
8h 02m
1 stop
PSC9:13 pmPasco Tri Cities
Jan 15
PSC3:18 pmPasco Tri Cities
11h 14m
1 stop
IAD5:32 amWashington, D.C. Dulles Intl
$373
Find similar
United Airlines
Jan 14
IAD2:10 pmWashington, D.C. Dulles Intl
10h 00m
1 stop
PSC9:10 pmPasco Tri Cities
Jan 19
PSC3:18 pmPasco Tri Cities
11h 14m
1 stop
IAD5:32 amWashington, D.C. Dulles Intl
$374
Find similar

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

Our best Alaska Airlines deals on Washington, D.C. Dulles Intl Airport to Pasco flight tickets
Alaska Airlines
Mar 5
IAD7:05 amWashington, D.C. Dulles Intl
16h 50m
1 stop
PSC8:55 pmPasco Tri Cities
Mar 12
PSC8:25 amPasco Tri Cities
29h 55m
1 stop
IAD5:20 pmWashington, D.C. Dulles Intl
$365
Find similar
Alaska Airlines
Jan 10
IAD6:04 pmWashington, D.C. Dulles Intl
29h 53m
1 stop
PSC8:57 pmPasco Tri Cities
Jan 14
PSC5:59 amPasco Tri Cities
7h 27m
1 stop
IAD4:26 pmWashington, D.C. Dulles Intl
$384
Find similar
Alaska Airlines
Mar 5
IAD6:20 pmWashington, D.C. Dulles Intl
29h 35m
2 stops
PSC8:55 pmPasco Tri Cities
Mar 12
PSC7:04 pmPasco Tri Cities
19h 16m
1 stop
IAD5:20 pmWashington, D.C. Dulles Intl
$404
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Pasco 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 December 11, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Pasco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Thu 1/15

2:10 pm-9:10 pm

1 stop10h 00m

Pasco Tri Cities

Wed 1/21

5:00 am-4:35 pm

1 stop8h 35m

$338

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Tue 1/27

2:15 pm-7:56 pm

1 stop8h 41m

Pasco Tri Cities

Thu 1/29

1:00 pm-11:10 pm

1 stop7h 10m

$353

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Tue 1/27

5:26 pm-11:38 pm

2 stops9h 12m

Pasco Tri Cities

Thu 1/29

1:00 pm-11:10 pm

1 stop7h 10m

$358

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Thu 3/5

7:05 am-8:55 pm

1 stop16h 50m

Pasco Tri Cities

Thu 3/12

8:25 am-5:20 pm

1 stop29h 55m

$365

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Wed 1/14

12:23 pm-11:09 pm

2 stops13h 46m

Pasco Tri Cities

Mon 1/19

1:00 pm-11:10 pm

1 stop7h 10m

$370

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Fri 1/9

4:11 pm-9:13 pm

1 stop8h 02m

Pasco Tri Cities

Thu 1/15

3:18 pm-5:32 am

1 stop11h 14m

$373

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Wed 1/14

2:10 pm-9:10 pm

1 stop10h 00m

Pasco Tri Cities

Mon 1/19

3:18 pm-5:32 am

1 stop11h 14m

$374

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Sat 1/10

6:04 pm-8:57 pm

1 stop29h 53m

Pasco Tri Cities

Wed 1/14

5:59 am-4:26 pm

1 stop7h 27m

$384

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Thu 3/5

6:20 pm-8:55 pm

2 stops29h 35m

Pasco Tri Cities

Thu 3/12

7:04 pm-5:20 pm

1 stop19h 16m

$404

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Fri 1/9

2:10 pm-9:10 pm

1 stop10h 00m

Pasco Tri Cities

Thu 1/15

5:00 am-4:35 pm

1 stop8h 35m

$409

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Pasco from

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

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 day to depart on your flight to Pasco?

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Pasco is on a Thursday. Travelers who choose to depart for Pasco on a Thursday will often find tickets for as low as $547. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Pasco on Monday is $868.

What is the cheapest time of day to depart on your flight to Pasco?

The cheapest time of day to fly to Pasco is in the morning when flights can be purchased for as low as $667. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $808 on average. Flights to Pasco from Washington, D.C. Dulles Intl Airport at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Pasco flights?

You could potentially save up to 58% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Pasco flight.

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

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

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

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

Fastest flight time

8h 45m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Pasco takes 8h 45m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Pasco. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Pasco.
Search flight deals

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

    The straight-line distance from Washington, D.C. Dulles Intl to Pasco Tri Cities is 2149.8 mi. Flights usually cover this in 8h 45m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Washington, D.C. Dulles Intl Airport to Pasco Tri Cities Airport are refreshed on a daily basis.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport to Pasco Tri Cities Airport.

  • What documentation or ID do you need to fly to Pasco Tri Cities Airport?

    The travel and health documents required for your trip to Pasco Tri Cities 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 Pasco Tri Cities Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Pasco?

Book flights to Pasco if you plan to visit one of these locations
Kennewick
Richland

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Pasco from Washington, D.C..

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

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

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

Once you have performed a search for Washington, D.C. to Pasco flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Washington, D.C. to Pasco 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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