What airlines fly to Washington, D.C. Dulles Intl Airport?

Alaska Airlines, Delta and United Airlines are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Pasco according to our data. Alaska Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 3 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.

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

Delta is the most popular carrier operating from Pasco Tri Cities to Washington, D.C. Dulles Intl

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?

As of May 2026, there are 3 operators available to choose from 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.

$218 Cheap Flights from Pasco to Washington, D.C. Dulles Intl Airport in 2026

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

Prices are currently low for flights on this route. Typical prices usually range from $579 to $507. The lowest price recently found on this route was $425.

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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:56 am - 11:59 pm

PSC

IAD

10h 03m

1 stop

5:46 pm - 11:49 pm

IAD

PSC

9h 03m

1 stop

$425Alaska Airlines

Tue, Sep 15 - Sat, Sep 19

11:41 am - 11:59 pm

PSC

IAD

9h 18m

1 stop

6:00 am - 11:04 am

IAD

PSC

8h 04m

1 stop

$433Alaska Airlines

Wed, May 27 - Mon, Jun 8

5:29 pm - 5:40 am

PSC

IAD

9h 11m

1 stop

5:46 pm - 11:49 pm

IAD

PSC

9h 03m

1 stop

$435Alaska Airlines

Tue, Sep 15 - Sat, Sep 19

11:41 am - 11:59 pm

PSC

IAD

9h 18m

1 stop

6:00 am - 11:04 am

IAD

PSC

8h 04m

1 stop

$452Alaska Airlines

Wed, May 27 - Mon, Jun 8

6:00 am - 6:43 pm

PSC

IAD

9h 43m

2 stops

7:00 am - 11:48 am

IAD

PSC

7h 48m

1 stop

$457Delta

Wed, May 27 - Mon, Jun 8

12:29 pm - 12:15 am

PSC

IAD

8h 46m

1 stop

5:29 pm - 11:58 pm

IAD

PSC

9h 29m

2 stops

$462Delta

Wed, May 27 - Mon, Jun 8

11:41 am - 11:59 pm

PSC

IAD

9h 18m

1 stop

6:00 am - 11:04 am

IAD

PSC

8h 04m

1 stop

$463Alaska Airlines

Sat, May 23 - Wed, May 27

7:05 am - 10:56 pm

PSC

IAD

12h 51m

2 stops

7:00 am - 2:50 pm

IAD

PSC

10h 50m

1 stop

$468Delta

Sat, May 23 - Wed, May 27

9:21 pm - 11:09 pm

PSC

IAD

22h 48m

2 stops

9:12 am - 7:58 pm

IAD

PSC

13h 46m

1 stop

$473Multiple Airlines

Mon, Jun 1 - Fri, Jun 5

9:21 pm - 8:12 am

PSC

IAD

31h 51m

1 stop

9:12 am - 7:58 pm

IAD

PSC

13h 46m

1 stop

$474Multiple Airlines

Mon, Jun 1 - Fri, Jun 5

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

Sep 15

PSC10:56 amPasco Tri Cities

10h 03m

1 stop

IAD11:59 pmWashington, D.C. Dulles Intl

Sep 19

IAD5:46 pmWashington, D.C. Dulles Intl

9h 03m

1 stop

PSC11:49 pmPasco Tri Cities

$425

Alaska Airlines

May 27

PSC11:41 amPasco Tri Cities

9h 18m

1 stop

IAD11:59 pmWashington, D.C. Dulles Intl

Jun 8

IAD6:00 amWashington, D.C. Dulles Intl

8h 04m

1 stop

PSC11:04 amPasco Tri Cities

$433

Alaska Airlines

Sep 15

PSC5:29 pmPasco Tri Cities

9h 11m

1 stop

IAD5:40 amWashington, D.C. Dulles Intl

Sep 19

IAD5:46 pmWashington, D.C. Dulles Intl

9h 03m

1 stop

PSC11:49 pmPasco Tri Cities

$435

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

Our best American Airlines deals on Pasco to Washington, D.C. Dulles Intl Airport flight tickets

American Airlines

Jun 17

PSC5:15 amPasco Tri Cities

14h 31m

2 stops

IAD10:46 pmWashington, D.C. Dulles Intl

Jun 23

IAD12:00 pmWashington, D.C. Dulles Intl

14h 25m

2 stops

PSC11:25 pmPasco Tri Cities

$521

American Airlines

Jun 17

PSC5:15 amPasco Tri Cities

14h 31m

2 stops

IAD10:46 pmWashington, D.C. Dulles Intl

Jun 23

IAD12:00 pmWashington, D.C. Dulles Intl

14h 25m

2 stops

PSC11:25 pmPasco Tri Cities

$531

American Airlines

May 22

PSC5:15 amPasco Tri Cities

10h 19m

2 stops

IAD6:34 pmWashington, D.C. Dulles Intl

May 26

IAD6:20 amWashington, D.C. Dulles Intl

11h 38m

2 stops

PSC2:58 pmPasco Tri Cities

$1,151

momondo Fare Finder

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

Cheapest round-trip

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Tue 9/15

10:56 am-11:59 pm

1 stop10h 03m

Washington, D.C. Dulles Intl

Sat 9/19

5:46 pm-11:49 pm

1 stop9h 03m

$425

Quickest round-trip

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Wed 5/27

11:41 am-11:59 pm

1 stop9h 18m

Washington, D.C. Dulles Intl

Mon 6/8

6:00 am-11:04 am

1 stop8h 04m

$433

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Tue 9/15

5:29 pm-5:40 am

1 stop9h 11m

Washington, D.C. Dulles Intl

Sat 9/19

5:46 pm-11:49 pm

1 stop9h 03m

$435

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Wed 5/27

11:41 am-11:59 pm

1 stop9h 18m

Washington, D.C. Dulles Intl

Mon 6/8

6:00 am-11:04 am

1 stop8h 04m

$452

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Wed 5/27

6:00 am-6:43 pm

2 stops9h 43m

Washington, D.C. Dulles Intl

Mon 6/8

7:00 am-11:48 am

1 stop7h 48m

$457

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Wed 5/27

12:29 pm-12:15 am

1 stop8h 46m

Washington, D.C. Dulles Intl

Mon 6/8

5:29 pm-11:58 pm

2 stops9h 29m

$462

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Sat 5/23

11:41 am-11:59 pm

1 stop9h 18m

Washington, D.C. Dulles Intl

Wed 5/27

6:00 am-11:04 am

1 stop8h 04m

$463

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Sat 5/23

7:05 am-10:56 pm

2 stops12h 51m

Washington, D.C. Dulles Intl

Wed 5/27

7:00 am-2:50 pm

1 stop10h 50m

$468

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Mon 6/1

9:21 pm-11:09 pm

2 stops22h 48m

Washington, D.C. Dulles Intl

Fri 6/5

9:12 am-7:58 pm

1 stop13h 46m

$473

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Mon 6/1

9:21 pm-8:12 am

1 stop31h 51m

Washington, D.C. Dulles Intl

Fri 6/5

9:12 am-7:58 pm

1 stop13h 46m

$474

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 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

Prices

Airlines

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

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, April 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 $0. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of April, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $0.

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	8h 16m
Direct flights	None

The fastest flight from Pasco to Washington, D.C. Dulles Intl Airport takes 8h 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

Frequently asked questions about flying from Pasco to Washington, D.C. Dulles Intl Airport

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 8h 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?
As of May 2026, there are 3 operators available to choose from 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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Pasco to Washington, D.C. Dulles Intl Airport is Alaska Airlines (45% of total bookings). The next most popular airlines are Delta (30%) and United Airlines (25%).

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
Delta	PriceFrom $149	Free Cancellation	Rating 7.9 8,454 reviews	Search Delta flights
United Airlines	PriceFrom $265	Free Cancellation	Rating 7.4 9,694 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $338	Free Cancellation	Rating 7.9 12,349 reviews	Search Alaska Airlines flights

Alexandria

National Harbor

Gettysburg

Arlington

Winchester

Waldorf

Woodbridge

Laurel

Gaithersburg

Colonial Beach

Towson

Fredericksburg

Silver Spring

Rockville

Manassas

Sterling

Linthicum Heights

Tysons

Bethesda

Springfield

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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Cheap flights from Pasco to Washington, D.C. from $218

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 6/23. 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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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

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

Our best American Airlines deals on Pasco to Washington, D.C. Dulles Intl Airport flight tickets

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See travel insights to Washington, D.C. from

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

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

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

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

What airlines fly to Washington, D.C. Dulles Intl Airport?

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

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

Direct flights

Frequently asked questions about flying 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

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