What is the cheapest airline that flies from Pasco Tri Cities to District of Columbia?

United Airlines, Delta, and Alaska Airlines are the most popular carriers operating from Pasco Tri Cities to District of Columbia

What airlines fly to District of Columbia?

Delta, Alaska Airlines and United Airlines are the top three most popular airlines that fly to District of Columbia from Pasco according to our data. Delta is the first choice among our users, with 34% of people opting to fly with this airline when traveling to District of Columbia. Keep in mind that there are 3 different airlines that fly to District of Columbia on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Pasco Tri Cities Airport to District of Columbia?

Prices for flights from Pasco Tri Cities Airport to District of Columbia were last updated today.

How many operators does momondo search for flights from Pasco Tri Cities Airport to District of Columbia?

As of September 2026, there are 2 operators available to choose from for flights from Pasco Tri Cities Airport to District of Columbia.

How old do you have to be to fly from Pasco Tri Cities Airport to District of Columbia?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Pasco Tri Cities Airport to District of Columbia.

What documentation or ID do you need to fly to District of Columbia?

The travel and health documents you'll need for your trip to District of Columbia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at District of Columbia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$221 Cheap Flights from Pasco to District of Columbia in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Pasco to District of Columbia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:29 pm - 5:10 amPSC Pasco Tri Cities-IAD Washington, D.C. Dulles Intl

12h 41m1 stop Las Vegas Harry Reid Intl

12:06 pm - 10:34 amIAD Washington, D.C. Dulles Intl-PSC Pasco Tri Cities

25h 28m2 stops Atlanta Hartsfield-Jackson Las Vegas Harry Reid Intl

$449Multiple Airlines

Wed, Nov 25 - Tue, Dec 1

1:29 pm - 5:10 amPSC Pasco Tri Cities-IAD Washington, D.C. Dulles Intl

12h 41m1 stop Las Vegas Harry Reid Intl

12:06 pm - 10:34 amIAD Washington, D.C. Dulles Intl-PSC Pasco Tri Cities

25h 28m2 stops Atlanta Hartsfield-Jackson Las Vegas Harry Reid Intl

$450Multiple Airlines

Wed, Nov 25 - Tue, Dec 1

12:35 pm - 12:20 amPSC Pasco Tri Cities-IAD Washington, D.C. Dulles Intl

8h 45m1 stop Seattle/Tacoma Intl

7:00 am - 3:11 pmIAD Washington, D.C. Dulles Intl-PSC Pasco Tri Cities

11h 11m1 stop Seattle/Tacoma Intl

$455Delta

Wed, Nov 25 - Wed, Dec 2

12:35 pm - 11:51 pmPSC Pasco Tri Cities-IAD Washington, D.C. Dulles Intl

8h 16m1 stop Seattle/Tacoma Intl

7:05 am - 11:56 amIAD Washington, D.C. Dulles Intl-PSC Pasco Tri Cities

7h 51m1 stop Seattle/Tacoma Intl

$455Delta

Wed, Jan 13 - Sat, Jan 16

10:41 am - 9:59 pmPSC Pasco Tri Cities-DCA Washington, D.C. Reagan-National

8h 18m1 stop Seattle/Tacoma Intl

5:00 pm - 11:53 pmDCA Washington, D.C. Reagan-National-PSC Pasco Tri Cities

9h 53m1 stop Seattle/Tacoma Intl

$455Alaska Airlines

Sat, Jan 9 - Tue, Jan 12

1:35 pm - 1:06 amPSC Pasco Tri Cities-IAD Washington, D.C. Dulles Intl

8h 31m1 stop San Francisco

6:35 am - 12:14 pmIAD Washington, D.C. Dulles Intl-PSC Pasco Tri Cities

8h 39m1 stop San Francisco

$455United Airlines

Sat, Oct 17 - Tue, Oct 20

1:35 pm - 1:06 amPSC Pasco Tri Cities-IAD Washington, D.C. Dulles Intl

8h 31m1 stop San Francisco

4:12 pm - 8:40 pmIAD Washington, D.C. Dulles Intl-PSC Pasco Tri Cities

7h 28m1 stop Denver Intl

$455United Airlines

Wed, Oct 14 - Sat, Oct 24

11:45 am - 12:20 amPSC Pasco Tri Cities-IAD Washington, D.C. Dulles Intl

9h 35m2 stops Salt Lake City Atlanta Hartsfield-Jackson

7:05 am - 11:56 amIAD Washington, D.C. Dulles Intl-PSC Pasco Tri Cities

7h 51m1 stop Seattle/Tacoma Intl

$460Delta

Wed, Jan 13 - Sat, Jan 16

4:06 pm - 4:27 pmPSC Pasco Tri Cities-IAD Washington, D.C. Dulles Intl

21h 21m1 stop Seattle/Tacoma Intl

5:30 pm - 10:04 amIAD Washington, D.C. Dulles Intl-PSC Pasco Tri Cities

19h 34m1 stop Seattle/Tacoma Intl

$468Alaska Airlines

Fri, Jan 22 - Tue, Jan 26

5:34 pm - 5:44 amPSC Pasco Tri Cities-IAD Washington, D.C. Dulles Intl

9h 10m1 stop Seattle/Tacoma Intl

7:46 am - 1:12 pmIAD Washington, D.C. Dulles Intl-PSC Pasco Tri Cities

8h 26m1 stop Seattle/Tacoma Intl

$476Alaska Airlines

Wed, Nov 11 - Thu, Nov 12

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Delta flights from Pasco to District of Columbia

Our best Delta deals on Pasco to District of Columbia flight tickets

Delta

Nov 25

PSC12:35 pmPasco Tri Cities

8h 45m

1 stop

IAD12:20 amWashington, D.C. Dulles Intl

Dec 2

IAD7:00 amWashington, D.C. Dulles Intl

11h 11m

1 stop

PSC3:11 pmPasco Tri Cities

$455

Delta

Jan 13

PSC11:45 amPasco Tri Cities

9h 35m

2 stops

IAD12:20 amWashington, D.C. Dulles Intl

Jan 16

IAD7:05 amWashington, D.C. Dulles Intl

7h 51m

1 stop

PSC11:56 amPasco Tri Cities

$460

Delta

Jan 13

PSC6:30 amPasco Tri Cities

14h 16m

2 stops

IAD11:46 pmWashington, D.C. Dulles Intl

Jan 16

IAD10:05 amWashington, D.C. Dulles Intl

12h 47m

2 stops

PSC7:52 pmPasco Tri Cities

$466

Alaska Airlines flights from Pasco to District of Columbia

Our best Alaska Airlines deals on Pasco to District of Columbia flight tickets

Alaska Airlines

Jan 9

PSC10:41 amPasco Tri Cities

8h 18m

1 stop

DCA9:59 pmWashington, D.C. Reagan-National

Jan 12

DCA5:00 pmWashington, D.C. Reagan-National

9h 53m

1 stop

PSC11:53 pmPasco Tri Cities

$455

Alaska Airlines

Nov 11

PSC5:34 pmPasco Tri Cities

9h 10m

1 stop

IAD5:44 amWashington, D.C. Dulles Intl

Nov 12

IAD7:46 amWashington, D.C. Dulles Intl

8h 26m

1 stop

PSC1:12 pmPasco Tri Cities

$476

Alaska Airlines

Jan 22

PSC6:08 amPasco Tri Cities

7h 19m

1 stop

IAD4:27 pmWashington, D.C. Dulles Intl

Jan 26

IAD5:30 pmWashington, D.C. Dulles Intl

9h 23m

1 stop

PSC11:53 pmPasco Tri Cities

$482

momondo Fare Finder

Use the filters below to find and compare flights from Pasco to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PascoWashington, D.C.

PSC Pasco Tri Cities - IAD Washington, D.C. Dulles Intl

PSCIAD

Pasco Tri Cities

Wed 11/25

1:29 pm-5:10 am

1 stop12h 41m

Washington, D.C. Dulles Intl

Tue 12/1

12:06 pm-10:34 am

2 stops25h 28m

$449

PascoWashington, D.C.

PSC Pasco Tri Cities - IAD Washington, D.C. Dulles Intl

PSCIAD

Pasco Tri Cities

Wed 11/25

1:29 pm-5:10 am

1 stop12h 41m

Washington, D.C. Dulles Intl

Tue 12/1

12:06 pm-10:34 am

2 stops25h 28m

$450

PascoWashington, D.C.

PSC Pasco Tri Cities - IAD Washington, D.C. Dulles Intl

PSCIAD

Pasco Tri Cities

Wed 11/25

12:35 pm-12:20 am

1 stop8h 45m

Washington, D.C. Dulles Intl

Wed 12/2

7:00 am-3:11 pm

1 stop11h 11m

$455

PascoWashington, D.C.

PSC Pasco Tri Cities - IAD Washington, D.C. Dulles Intl

PSCIAD

Pasco Tri Cities

Wed 1/13

12:35 pm-11:51 pm

1 stop8h 16m

Washington, D.C. Dulles Intl

Sat 1/16

7:05 am-11:56 am

1 stop7h 51m

$455

PascoWashington, D.C.

PSC Pasco Tri Cities - DCA Washington, D.C. Reagan-National

PSCDCA

Pasco Tri Cities

Sat 1/9

10:41 am-9:59 pm

1 stop8h 18m

Washington, D.C. Reagan-National

Tue 1/12

5:00 pm-11:53 pm

1 stop9h 53m

$455

PascoWashington, D.C.

PSC Pasco Tri Cities - IAD Washington, D.C. Dulles Intl

PSCIAD

Pasco Tri Cities

Sat 10/17

1:35 pm-1:06 am

1 stop8h 31m

Washington, D.C. Dulles Intl

Tue 10/20

6:35 am-12:14 pm

1 stop8h 39m

$455

Quickest round-trip

PascoWashington, D.C.

PSC Pasco Tri Cities - IAD Washington, D.C. Dulles Intl

PSCIAD

Pasco Tri Cities

Wed 10/14

1:35 pm-1:06 am

1 stop8h 31m

Washington, D.C. Dulles Intl

Sat 10/24

4:12 pm-8:40 pm

1 stop7h 28m

$455

PascoWashington, D.C.

PSC Pasco Tri Cities - IAD Washington, D.C. Dulles Intl

PSCIAD

Pasco Tri Cities

Wed 1/13

11:45 am-12:20 am

2 stops9h 35m

Washington, D.C. Dulles Intl

Sat 1/16

7:05 am-11:56 am

1 stop7h 51m

$460

PascoWashington, D.C.

PSC Pasco Tri Cities - IAD Washington, D.C. Dulles Intl

PSCIAD

Pasco Tri Cities

Fri 1/22

4:06 pm-4:27 pm

1 stop21h 21m

Washington, D.C. Dulles Intl

Tue 1/26

5:30 pm-10:04 am

1 stop19h 34m

$468

PascoWashington, D.C.

PSC Pasco Tri Cities - IAD Washington, D.C. Dulles Intl

PSCIAD

Pasco Tri Cities

Wed 11/11

5:34 pm-5:44 am

1 stop9h 10m

Washington, D.C. Dulles Intl

Thu 11/12

7:46 am-1:12 pm

1 stop8h 26m

$476

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 District of Columbia

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 cheapest month to fly to District of Columbia?

In general, January is the cheapest month to fly from Pasco to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you don’t want to visit District of Columbia in January, then you should wait until November to fly from Pasco, when ticket prices are also cheap, with an average price of $448.

Can stopping save me money on Pasco to District of Columbia flights?

You could potentially save up to 41% on your flight if you consider stops on a Pasco to District of Columbia flight.

Cheap Pasco to District of Columbia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Pasco to District of Columbia

Best Price Found	$221
Fastest flight time	7h 03m
Direct flights	None

The best one-way flight to District of Columbia from Pasco in the past 72 hours is $221. The best round-trip flight deal from Pasco to District of Columbia found on momondo in the last 72 hours is $449.

The fastest flight from Pasco to District of Columbia takes 7h 03m

There are no direct flights from Pasco to District of Columbia. There are no popular flight routes from Pasco to District of Columbia.

Search flight deals

Frequently asked questions about flying from Pasco to District of Columbia

When did momondo last update prices for flights from Pasco Tri Cities Airport to District of Columbia?
Prices for flights from Pasco Tri Cities Airport to District of Columbia were last updated today.
How many operators does momondo search for flights from Pasco Tri Cities Airport to District of Columbia?
As of September 2026, there are 2 operators available to choose from for flights from Pasco Tri Cities Airport to District of Columbia.
How old do you have to be to fly from Pasco Tri Cities Airport to District of Columbia?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Pasco Tri Cities Airport to District of Columbia.
What documentation or ID do you need to fly to District of Columbia?
The travel and health documents you'll need for your trip to District of Columbia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at District of Columbia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Pasco to District of Columbia

Compare and see reviews for airlines that fly from Pasco to District of Columbia with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $218	Free Cancellation	Rating 7.8 8,591 reviews	Search Delta flights
United Airlines	PriceFrom $351	Free Cancellation	Rating 7.4 10,230 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $408	Free Cancellation	Rating 7.9 12,949 reviews	Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Pasco to District of Columbia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Pasco to District of Columbia. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Pasco to District of Columbia with flexible booking policies on momondo?

All flight searches from Pasco to District of Columbia on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Pasco to District of Columbia?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to District of Columbia from Pasco.

I’m not ready to book a flight from Pasco to District of Columbia right now. Can momondo alert me if prices change?

If you are simply researching potential flights to District of Columbia, momondo offers a useful price alert feature which will track prices for flights to District of Columbia from Pasco and alert you when they change.