Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Washington, D.C. Dulles Intl Airport to Pasco from $277

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 10/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Pasco

Cheap round-trip flights

Alaska Airlines Logo
6:25 am - 12:30 pmIAD-PSC
9h 05m1 stop
Alaska Airlines Logo
1:36 pm - 6:23 amPSC-IAD
13h 47m1 stop
$359Alaska Airlines
Find Deal
Sat, Oct 18 - Sat, Nov 8
Alaska Airlines Logo
6:25 am - 12:30 pmIAD-PSC
9h 05m1 stop
Alaska Airlines Logo
6:00 am - 6:28 pmPSC-IAD
9h 28m1 stop
$380Alaska Airlines
Find Deal
Tue, Oct 14 - Tue, Oct 21
Delta Logo
1:00 pm - 9:17 pmIAD-PSC
11h 17m2 stops
Delta Logo
1:00 pm - 12:40 amPSC-IAD
8h 40m1 stop
$454Delta
Find Deal
Sat, Oct 18 - Sat, Nov 8
Delta Logo
1:00 pm - 9:17 pmIAD-PSC
11h 17m2 stops
Delta Logo
5:59 pm - 9:10 amPSC-IAD
12h 11m2 stops
$459Delta
Find Deal
Sat, Oct 18 - Sat, Nov 8
United Airlines Logo
5:30 pm - 11:15 pmIAD-PSC
8h 45m1 stop
United Airlines Logo
12:45 pm - 7:32 amPSC-IAD
15h 47m2 stops
$524United Airlines
Find Deal
Tue, Oct 14 - Tue, Oct 21
Alaska Airlines Logo
6:25 am - 12:30 pmIAD-PSC
9h 05m1 stop
Alaska Airlines Logo
8:49 am - 12:23 amPSC-IAD
12h 34m1 stop
$602Alaska Airlines
Find Deal
Sun, Oct 5 - Tue, Oct 14
Alaska Airlines Logo
6:25 am - 12:30 pmIAD-PSC
9h 05m1 stop
Alaska Airlines Logo
8:49 am - 4:42 pmPSC-IAD
28h 53m2 stops
$608Alaska Airlines
Find Deal
Sun, Oct 5 - Tue, Oct 14
United Airlines Logo
5:36 pm - 12:52 pmIAD-PSC
22h 16m1 stop
United Airlines Logo
12:45 pm - 5:22 amPSC-IAD
13h 37m1 stop
$645United Airlines
Find Deal
Tue, Sep 30 - Sat, Oct 4
Alaska Airlines Logo
6:09 pm - 12:08 amIAD-PSC
8h 59m1 stop
Alaska Airlines Logo
7:57 pm - 7:33 amPSC-IAD
8h 36m1 stop
$662Alaska Airlines
Find Deal
Mon, Sep 29 - Thu, Oct 2
Delta Logo
12:35 pm - 11:11 pmIAD-PSC
13h 36m2 stops
Delta Logo
5:47 pm - 6:01 amPSC-IAD
9h 14m1 stop
$668Delta
Find Deal
Mon, Sep 29 - Thu, Oct 2

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
Oct 18
IAD6:25 amWashington, D.C. Dulles Intl
9h 05m
1 stop
PSC12:30 pmPasco Tri Cities
Nov 8
PSC1:36 pmPasco Tri Cities
13h 47m
1 stop
IAD6:23 amWashington, D.C. Dulles Intl
$359
Find similar
Alaska Airlines
Oct 14
IAD6:25 amWashington, D.C. Dulles Intl
9h 05m
1 stop
PSC12:30 pmPasco Tri Cities
Oct 21
PSC6:00 amPasco Tri Cities
9h 28m
1 stop
IAD6:28 pmWashington, D.C. Dulles Intl
$380
Find similar
Alaska Airlines
Oct 5
IAD6:25 amWashington, D.C. Dulles Intl
9h 05m
1 stop
PSC12:30 pmPasco Tri Cities
Oct 14
PSC8:49 amPasco Tri Cities
12h 34m
1 stop
IAD12:23 amWashington, D.C. Dulles Intl
$602
Find similar

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

Our best Delta deals on Washington, D.C. Dulles Intl Airport to Pasco flight tickets
Delta
Oct 18
IAD1:00 pmWashington, D.C. Dulles Intl
11h 17m
2 stops
PSC9:17 pmPasco Tri Cities
Nov 8
PSC1:00 pmPasco Tri Cities
8h 40m
1 stop
IAD12:40 amWashington, D.C. Dulles Intl
$454
Find similar
Delta
Oct 18
IAD1:00 pmWashington, D.C. Dulles Intl
11h 17m
2 stops
PSC9:17 pmPasco Tri Cities
Nov 8
PSC5:59 pmPasco Tri Cities
12h 11m
2 stops
IAD9:10 amWashington, D.C. Dulles Intl
$459
Find similar
Delta
Sep 29
IAD12:35 pmWashington, D.C. Dulles Intl
13h 36m
2 stops
PSC11:11 pmPasco Tri Cities
Oct 2
PSC5:47 pmPasco Tri Cities
9h 14m
1 stop
IAD6:01 amWashington, D.C. Dulles Intl
$668
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 September 17, 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

Sat 10/18

6:25 am-12:30 pm

1 stop9h 05m

Pasco Tri Cities

Sat 11/8

1:36 pm-6:23 am

1 stop13h 47m

$359

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Tue 10/14

6:25 am-12:30 pm

1 stop9h 05m

Pasco Tri Cities

Tue 10/21

6:00 am-6:28 pm

1 stop9h 28m

$380

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Sat 10/18

1:00 pm-9:17 pm

2 stops11h 17m

Pasco Tri Cities

Sat 11/8

1:00 pm-12:40 am

1 stop8h 40m

$454

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Sat 10/18

1:00 pm-9:17 pm

2 stops11h 17m

Pasco Tri Cities

Sat 11/8

5:59 pm-9:10 am

2 stops12h 11m

$459

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Tue 10/14

5:30 pm-11:15 pm

1 stop8h 45m

Pasco Tri Cities

Tue 10/21

12:45 pm-7:32 am

2 stops15h 47m

$524

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Sun 10/5

6:25 am-12:30 pm

1 stop9h 05m

Pasco Tri Cities

Tue 10/14

8:49 am-12:23 am

1 stop12h 34m

$602

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Sun 10/5

6:25 am-12:30 pm

1 stop9h 05m

Pasco Tri Cities

Tue 10/14

8:49 am-4:42 pm

2 stops28h 53m

$608

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Tue 9/30

5:36 pm-12:52 pm

1 stop22h 16m

Pasco Tri Cities

Sat 10/4

12:45 pm-5:22 am

1 stop13h 37m

$645

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Mon 9/29

6:09 pm-12:08 am

1 stop8h 59m

Pasco Tri Cities

Thu 10/2

7:57 pm-7:33 am

1 stop8h 36m

$662

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Mon 9/29

12:35 pm-11:11 pm

2 stops13h 36m

Pasco Tri Cities

Thu 10/2

5:47 pm-6:01 am

1 stop9h 14m

$668

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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.

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

Direct flights

None
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.

An easier way to manage your Pasco trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 10/17
Fri 10/24
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States