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Cheap flights from Washington, D.C. Dulles Intl Airport to Pasco from $341

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 11/20. 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.
Alaska Airlines Logo
7:33 am - 1:12 pmIAD-PSC
8h 39m1 stop
Alaska Airlines Logo
5:36 pm - 4:26 pmPSC-IAD
19h 50m1 stop
$352Alaska Airlines
Find Deal
mar., ene. 6 - lun., ene. 12
United Airlines Logo
4:00 pm - 8:58 pmIAD-PSC
7h 58m1 stop
United Airlines Logo
5:04 am - 4:30 pmPSC-IAD
8h 26m1 stop
$374United Airlines
Find Deal
dom., dic. 7 - mié., dic. 10
Alaska Airlines Logo
7:33 am - 1:12 pmIAD-PSC
8h 39m1 stop
Alaska Airlines Logo
1:23 pm - 5:04 pmPSC-IAD
24h 41m2 stops
$376Alaska Airlines
Find Deal
mar., ene. 6 - lun., ene. 12
Alaska Airlines Logo
6:29 pm - 8:57 pmIAD-PSC
29h 28m2 stops
Alaska Airlines Logo
1:23 pm - 5:04 pmPSC-IAD
24h 41m2 stops
$403Alaska Airlines
Find Deal
mar., ene. 6 - lun., ene. 12
Alaska Airlines Logo
6:30 pm - 8:53 pmIAD-PSC
29h 23m1 stop
Alaska Airlines Logo
11:28 am - 5:30 pmPSC-IAD
27h 02m2 stops
$418Alaska Airlines
Find Deal
dom., dic. 7 - mié., dic. 10
Alaska Airlines Logo
6:30 pm - 11:35 pmIAD-PSC
32h 05m2 stops
Alaska Airlines Logo
11:28 am - 5:30 pmPSC-IAD
27h 02m2 stops
$453Alaska Airlines
Find Deal
dom., dic. 7 - mié., dic. 10
Delta Logo
10:05 am - 7:49 pmIAD-PSC
12h 44m2 stops
Delta Logo
1:00 pm - 12:25 amPSC-IAD
8h 25m1 stop
$657Delta
Find Deal
lun., nov. 24 - jue., nov. 27
Delta Logo
10:05 am - 7:49 pmIAD-PSC
12h 44m2 stops
Delta Logo
5:10 am - 6:26 pmPSC-IAD
10h 16m2 stops
$704Delta
Find Deal
lun., nov. 24 - jue., nov. 27
American Airlines Logo
6:44 am - 9:06 pmIAD-PSC
17h 22m2 stops
American Airlines Logo
8:11 pm - 1:12 pmPSC-IAD
14h 01m2 stops
$1,063American Airlines
Find Deal
mar., nov. 25 - dom., nov. 30
American Airlines Logo
6:44 am - 9:06 pmIAD-PSC
17h 22m2 stops
American Airlines Logo
8:11 pm - 1:12 pmPSC-IAD
14h 01m2 stops
$1,114American Airlines
Find Deal
mar., nov. 25 - dom., nov. 30

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
Dec 7
IAD4:00 pmWashington, D.C. Dulles Intl
7h 58m
1 stop
PSC8:58 pmPasco Tri Cities
Dec 10
PSC5:04 amPasco Tri Cities
8h 26m
1 stop
IAD4:30 pmWashington, D.C. Dulles Intl
$374
Find similar
United Airlines
Nov 25
IAD2:25 pmWashington, D.C. Dulles Intl
9h 37m
1 stop
PSC9:02 pmPasco Tri Cities
Nov 30
PSC6:25 amPasco Tri Cities
20h 02m
1 stop
IAD5:27 amWashington, D.C. Dulles Intl
$732
Find similar
United Airlines
Nov 8
IAD10:08 pmWashington, D.C. Dulles Intl
25h 54m
2 stops
PSC9:02 pmPasco Tri Cities
Nov 10
PSC5:05 amPasco Tri Cities
7h 36m
1 stop
IAD3:41 pmWashington, D.C. Dulles Intl
$1,010
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
Jan 6
IAD7:33 amWashington, D.C. Dulles Intl
8h 39m
1 stop
PSC1:12 pmPasco Tri Cities
Jan 12
PSC5:36 pmPasco Tri Cities
19h 50m
1 stop
IAD4:26 pmWashington, D.C. Dulles Intl
$352
Find similar
Alaska Airlines
Jan 6
IAD7:33 amWashington, D.C. Dulles Intl
8h 39m
1 stop
PSC1:12 pmPasco Tri Cities
Jan 12
PSC1:23 pmPasco Tri Cities
24h 41m
2 stops
IAD5:04 pmWashington, D.C. Dulles Intl
$376
Find similar
Alaska Airlines
Jan 6
IAD6:29 pmWashington, D.C. Dulles Intl
29h 28m
2 stops
PSC8:57 pmPasco Tri Cities
Jan 12
PSC1:23 pmPasco Tri Cities
24h 41m
2 stops
IAD5:04 pmWashington, D.C. Dulles Intl
$403
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 noviembre 3, 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

mar. 1/6

7:33 am-1:12 pm

1 stop8h 39m

Pasco Tri Cities

lun. 1/12

5:36 pm-4:26 pm

1 stop19h 50m

$352

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

dom. 12/7

4:00 pm-8:58 pm

1 stop7h 58m

Pasco Tri Cities

mié. 12/10

5:04 am-4:30 pm

1 stop8h 26m

$374

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

mar. 1/6

7:33 am-1:12 pm

1 stop8h 39m

Pasco Tri Cities

lun. 1/12

1:23 pm-5:04 pm

2 stops24h 41m

$376

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

mar. 1/6

6:29 pm-8:57 pm

2 stops29h 28m

Pasco Tri Cities

lun. 1/12

1:23 pm-5:04 pm

2 stops24h 41m

$403

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

dom. 12/7

6:30 pm-8:53 pm

1 stop29h 23m

Pasco Tri Cities

mié. 12/10

11:28 am-5:30 pm

2 stops27h 02m

$418

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

dom. 12/7

6:30 pm-11:35 pm

2 stops32h 05m

Pasco Tri Cities

mié. 12/10

11:28 am-5:30 pm

2 stops27h 02m

$453

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

lun. 11/24

10:05 am-7:49 pm

2 stops12h 44m

Pasco Tri Cities

jue. 11/27

1:00 pm-12:25 am

1 stop8h 25m

$657

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

lun. 11/24

10:05 am-7:49 pm

2 stops12h 44m

Pasco Tri Cities

jue. 11/27

5:10 am-6:26 pm

2 stops10h 16m

$704

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

mar. 11/25

6:44 am-9:06 pm

2 stops17h 22m

Pasco Tri Cities

dom. 11/30

8:11 pm-1:12 pm

2 stops14h 01m

$1,063

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

mar. 11/25

6:44 am-9:06 pm

2 stops17h 22m

Pasco Tri Cities

dom. 11/30

8:11 pm-1:12 pm

2 stops14h 01m

$1,114

Flights are sorted by cheapest round-trip flights first.

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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 7h 58m, 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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