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

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

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.

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.

$166 Cheap Flights from Washington, D.C. Dulles Intl Airport to Pasco in 2026

Q: What is the typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Pasco?

Prices are currently low for flights on this route. Typical prices usually range from $616 to $534. The lowest price recently found on this route was $318.

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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:00 am - 3:42 pm

IAD

PSC

9h 42m

1 stop

1:21 pm - 12:09 am

PSC

IAD

7h 48m

1 stop

$318Alaska Airlines

Tue, May 5 - Sat, May 9

9:00 am - 3:42 pm

IAD

PSC

9h 42m

1 stop

1:21 pm - 12:09 am

PSC

IAD

7h 48m

1 stop

$357Alaska Airlines

Tue, May 5 - Sat, May 9

6:30 am - 12:15 pm

IAD

PSC

8h 45m

1 stop

2:00 pm - 1:17 am

PSC

IAD

8h 17m

1 stop

$425United Airlines

Tue, Sep 1 - Tue, Sep 8

7:10 am - 12:44 pm

IAD

PSC

8h 34m

1 stop

1:21 pm - 12:09 am

PSC

IAD

7h 48m

1 stop

$441Alaska Airlines

Wed, Apr 29 - Sat, May 2

7:10 am - 11:57 am

IAD

PSC

7h 47m

1 stop

12:35 pm - 11:55 pm

PSC

IAD

8h 20m

1 stop

$447Delta

Fri, Aug 21 - Wed, Aug 26

7:10 am - 11:57 am

IAD

PSC

7h 47m

1 stop

6:00 am - 9:18 pm

PSC

IAD

12h 18m

2 stops

$452Delta

Fri, Aug 21 - Wed, Aug 26

6:00 am - 11:04 am

IAD

PSC

8h 04m

1 stop

1:51 pm - 11:59 pm

PSC

IAD

7h 08m

1 stop

$469Alaska Airlines

Thu, May 28 - Thu, Jun 4

6:00 am - 11:04 am

IAD

PSC

8h 04m

1 stop

1:51 pm - 11:59 pm

PSC

IAD

7h 08m

1 stop

$475Alaska Airlines

Thu, Jun 4 - Tue, Jun 9

7:00 am - 2:48 pm

IAD

PSC

10h 48m

1 stop

7:40 pm - 10:52 am

PSC

IAD

12h 12m

2 stops

$487Delta

Thu, Jun 4 - Tue, Jun 9

1:18 pm - 11:27 pm

IAD

PSC

13h 09m

2 stops

5:00 am - 10:47 pm

PSC

IAD

14h 47m

2 stops

$513American Airlines

Fri, Aug 21 - Wed, Aug 26

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

May 5

IAD9:00 amWashington, D.C. Dulles Intl

9h 42m

1 stop

PSC3:42 pmPasco Tri Cities

May 9

PSC1:21 pmPasco Tri Cities

7h 48m

1 stop

IAD12:09 amWashington, D.C. Dulles Intl

$318

Alaska Airlines

May 5

IAD9:00 amWashington, D.C. Dulles Intl

9h 42m

1 stop

PSC3:42 pmPasco Tri Cities

May 9

PSC1:21 pmPasco Tri Cities

7h 48m

1 stop

IAD12:09 amWashington, D.C. Dulles Intl

$357

Alaska Airlines

Apr 29

IAD7:10 amWashington, D.C. Dulles Intl

8h 34m

1 stop

PSC12:44 pmPasco Tri Cities

May 2

PSC1:21 pmPasco Tri Cities

7h 48m

1 stop

IAD12:09 amWashington, D.C. Dulles Intl

$441

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

Sep 1

IAD6:30 amWashington, D.C. Dulles Intl

8h 45m

1 stop

PSC12:15 pmPasco Tri Cities

Sep 8

PSC2:00 pmPasco Tri Cities

8h 17m

1 stop

IAD1:17 amWashington, D.C. Dulles Intl

$425

United Airlines

May 5

IAD10:08 pmWashington, D.C. Dulles Intl

25h 45m

2 stops

PSC8:53 pmPasco Tri Cities

May 9

PSC1:39 pmPasco Tri Cities

8h 45m

1 stop

IAD1:24 amWashington, D.C. Dulles Intl

$539

United Airlines

May 5

IAD8:20 amWashington, D.C. Dulles Intl

15h 33m

2 stops

PSC8:53 pmPasco Tri Cities

May 9

PSC5:00 amPasco Tri Cities

9h 32m

1 stop

IAD5:32 pmWashington, D.C. Dulles Intl

$547

momondo Fare Finder

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

Cheapest round-trip

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Tue 5/5

9:00 am-3:42 pm

1 stop9h 42m

Pasco Tri Cities

Sat 5/9

1:21 pm-12:09 am

1 stop7h 48m

$318

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Tue 5/5

9:00 am-3:42 pm

1 stop9h 42m

Pasco Tri Cities

Sat 5/9

1:21 pm-12:09 am

1 stop7h 48m

$357

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Tue 9/1

6:30 am-12:15 pm

1 stop8h 45m

Pasco Tri Cities

Tue 9/8

2:00 pm-1:17 am

1 stop8h 17m

$425

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Wed 4/29

7:10 am-12:44 pm

1 stop8h 34m

Pasco Tri Cities

Sat 5/2

1:21 pm-12:09 am

1 stop7h 48m

$441

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Fri 8/21

7:10 am-11:57 am

1 stop7h 47m

Pasco Tri Cities

Wed 8/26

12:35 pm-11:55 pm

1 stop8h 20m

$447

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Fri 8/21

7:10 am-11:57 am

1 stop7h 47m

Pasco Tri Cities

Wed 8/26

6:00 am-9:18 pm

2 stops12h 18m

$452

Quickest round-trip

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Thu 5/28

6:00 am-11:04 am

1 stop8h 04m

Pasco Tri Cities

Thu 6/4

1:51 pm-11:59 pm

1 stop7h 08m

$469

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Thu 6/4

6:00 am-11:04 am

1 stop8h 04m

Pasco Tri Cities

Tue 6/9

1:51 pm-11:59 pm

1 stop7h 08m

$475

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Thu 6/4

7:00 am-2:48 pm

1 stop10h 48m

Pasco Tri Cities

Tue 6/9

7:40 pm-10:52 am

2 stops12h 12m

$487

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Fri 8/21

1:18 pm-11:27 pm

2 stops13h 09m

Pasco Tri Cities

Wed 8/26

5:00 am-10:47 pm

2 stops14h 47m

$513

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

What is the typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Pasco?

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

You could potentially save up to 36% 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	7h 41m
Direct flights	None

The fastest flight from Washington, D.C. Dulles Intl Airport to Pasco takes 7h 41m

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 41m, 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.

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.