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Cheap flights from Pennsylvania to Washington from $169

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Pennsylvania to Washington

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:00 am - 8:58 amIAD  Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl
29h 58m1 stop Las Vegas Harry Reid Intl
Frontier Logo
9:16 pm - 6:20 amSEA  Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl
30h 04m1 stop Las Vegas Harry Reid Intl
$275Frontier
Sat, Oct 10 - Fri, Oct 16
Frontier Logo
6:00 am - 9:42 amIAD  Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl
30h 42m1 stop Las Vegas Harry Reid Intl
Frontier Logo
9:16 pm - 6:20 amSEA  Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl
30h 04m1 stop Las Vegas Harry Reid Intl
$280Frontier
Tue, Oct 6 - Fri, Oct 9
American Airlines Logo
3:58 pm - 9:36 pmDCA  Washington, D.C. Reagan-National-SEA Seattle/Tacoma Intl
8h 38m1 stop Chicago O'Hare Intl
American Airlines Logo
11:57 pm - 11:47 amSEA  Seattle/Tacoma Intl-DCA Washington, D.C. Reagan-National
8h 50m1 stop Chicago O'Hare Intl
$282American Airlines
Thu, Oct 1 - Sun, Oct 4
American Airlines Logo
3:58 pm - 9:36 pmDCA  Washington, D.C. Reagan-National-SEA Seattle/Tacoma Intl
8h 38m1 stop Chicago O'Hare Intl
American Airlines Logo
11:59 pm - 10:06 amSEA  Seattle/Tacoma Intl-DCA Washington, D.C. Reagan-National
7h 07m1 stop Chicago O'Hare Intl
$282American Airlines
Thu, Oct 1 - Wed, Oct 7
United Airlines Logo
5:45 pm - 8:20 pmIAD  Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl
5h 35mnonstop
United Airlines Logo
11:03 pm - 7:04 amSEA  Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl
5h 01mnonstop
$282United Airlines
Tue, Dec 15 - Tue, Dec 22
United Airlines Logo
5:40 pm - 10:33 pmIAD  Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl
7h 53m1 stop Chicago O'Hare Intl
United Airlines Logo
11:03 pm - 7:04 amSEA  Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl
5h 01mnonstop
$292United Airlines
Tue, Dec 15 - Tue, Dec 22
Alaska Airlines Logo
7:00 am - 9:37 amIAD  Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl
5h 37mnonstop
Alaska Airlines Logo
3:56 pm - 11:59 pmSEA  Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl
5h 03mnonstop
$293Alaska Airlines
Thu, Oct 1 - Wed, Oct 7
Alaska Airlines Logo
7:02 am - 9:44 amIAD  Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl
5h 42mnonstop
Alaska Airlines Logo
9:36 pm - 5:40 amSEA  Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl
5h 04mnonstop
$297Alaska Airlines
Sat, Oct 10 - Mon, Oct 19
Delta Logo
4:25 pm - 7:27 pmDCA  Washington, D.C. Reagan-National-SEA Seattle/Tacoma Intl
6h 02mnonstop
Delta Logo
7:20 am - 3:13 pmSEA  Seattle/Tacoma Intl-DCA Washington, D.C. Reagan-National
4h 53mnonstop
$297Delta
Mon, Nov 9 - Thu, Nov 12
Delta Logo
7:05 am - 9:56 amIAD  Washington, D.C. Dulles Intl-SEA Seattle/Tacoma Intl
5h 51mnonstop
Delta Logo
1:40 pm - 12:42 amSEA  Seattle/Tacoma Intl-IAD Washington, D.C. Dulles Intl
8h 02m1 stop Atlanta Hartsfield-Jackson
$297Delta
Mon, Oct 26 - Thu, Oct 29

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American Airlines flights from Pennsylvania to State of Washington

Our best American Airlines deals on Pennsylvania to State of Washington flight tickets
American Airlines
Oct 15
IAD5:01 amWashington, D.C. Dulles Intl
7h 57m
1 stop
SEA9:58 amSeattle/Tacoma Intl
Oct 22
SEA4:37 pmSeattle/Tacoma Intl
9h 55m
1 stop
IAD5:32 amWashington, D.C. Dulles Intl
$282
American Airlines
Oct 1
IAD6:14 amWashington, D.C. Dulles Intl
8h 11m
1 stop
SEA11:25 amSeattle/Tacoma Intl
Oct 6
SEA7:30 amSeattle/Tacoma Intl
7h 53m
1 stop
IAD6:23 pmWashington, D.C. Dulles Intl
$312
American Airlines
Oct 4
JFK6:55 amNew York John F Kennedy Intl
10h 56m
1 stop
SEA2:51 pmSeattle/Tacoma Intl
Oct 13
SEA6:15 amSeattle/Tacoma Intl
10h 49m
1 stop
JFK8:04 pmNew York John F Kennedy Intl
$348

United Airlines flights from Pennsylvania to State of Washington

Our best United Airlines deals on Pennsylvania to State of Washington flight tickets
United Airlines
Dec 15
IAD5:40 pmWashington, D.C. Dulles Intl
7h 53m
1 stop
SEA10:33 pmSeattle/Tacoma Intl
Dec 22
SEA11:03 pmSeattle/Tacoma Intl
5h 01m
IAD7:04 amWashington, D.C. Dulles Intl
$292
United Airlines
Oct 1
IAD5:45 pmWashington, D.C. Dulles Intl
5h 52m
SEA8:37 pmSeattle/Tacoma Intl
Oct 4
SEA11:14 pmSeattle/Tacoma Intl
5h 03m
IAD7:17 amWashington, D.C. Dulles Intl
$303
United Airlines
Oct 1
IAD1:10 pmWashington, D.C. Dulles Intl
8h 42m
1 stop
SEA6:52 pmSeattle/Tacoma Intl
Oct 4
SEA11:14 pmSeattle/Tacoma Intl
5h 03m
IAD7:17 amWashington, D.C. Dulles Intl
$313

momondo Fare Finder

 
Use the filters below to find and compare flights from Pennsylvania to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Seattle

IAD Washington, D.C. Dulles Intl - SEA Seattle/Tacoma Intl

IADSEA

Washington, D.C. Dulles Intl

Sat 10/10

6:00 am-8:58 am

1 stop29h 58m

Seattle/Tacoma Intl

Fri 10/16

9:16 pm-6:20 am

1 stop30h 04m

$275

Washington, D.C.Seattle

IAD Washington, D.C. Dulles Intl - SEA Seattle/Tacoma Intl

IADSEA

Washington, D.C. Dulles Intl

Tue 10/6

6:00 am-9:42 am

1 stop30h 42m

Seattle/Tacoma Intl

Fri 10/9

9:16 pm-6:20 am

1 stop30h 04m

$280

Washington, D.C.Seattle

DCA Washington, D.C. Reagan-National - SEA Seattle/Tacoma Intl

DCASEA

Washington, D.C. Reagan-National

Thu 10/1

3:58 pm-9:36 pm

1 stop8h 38m

Seattle/Tacoma Intl

Sun 10/4

11:57 pm-11:47 am

1 stop8h 50m

$282

Washington, D.C.Seattle

DCA Washington, D.C. Reagan-National - SEA Seattle/Tacoma Intl

DCASEA

Washington, D.C. Reagan-National

Thu 10/1

3:58 pm-9:36 pm

1 stop8h 38m

Seattle/Tacoma Intl

Wed 10/7

11:59 pm-10:06 am

1 stop7h 07m

$282
Quickest round-trip

Washington, D.C.Seattle

IAD Washington, D.C. Dulles Intl - SEA Seattle/Tacoma Intl

IADSEA

Washington, D.C. Dulles Intl

Tue 12/15

5:45 pm-8:20 pm

Nonstop5h 35m

Seattle/Tacoma Intl

Tue 12/22

11:03 pm-7:04 am

Nonstop5h 01m

$282

Washington, D.C.Seattle

IAD Washington, D.C. Dulles Intl - SEA Seattle/Tacoma Intl

IADSEA

Washington, D.C. Dulles Intl

Tue 12/15

5:40 pm-10:33 pm

1 stop7h 53m

Seattle/Tacoma Intl

Tue 12/22

11:03 pm-7:04 am

Nonstop5h 01m

$292

Washington, D.C.Seattle

IAD Washington, D.C. Dulles Intl - SEA Seattle/Tacoma Intl

IADSEA

Washington, D.C. Dulles Intl

Thu 10/1

7:00 am-9:37 am

Nonstop5h 37m

Seattle/Tacoma Intl

Wed 10/7

3:56 pm-11:59 pm

Nonstop5h 03m

$293

Washington, D.C.Seattle

IAD Washington, D.C. Dulles Intl - SEA Seattle/Tacoma Intl

IADSEA

Washington, D.C. Dulles Intl

Sat 10/10

7:02 am-9:44 am

Nonstop5h 42m

Seattle/Tacoma Intl

Mon 10/19

9:36 pm-5:40 am

Nonstop5h 04m

$297

Washington, D.C.Seattle

DCA Washington, D.C. Reagan-National - SEA Seattle/Tacoma Intl

DCASEA

Washington, D.C. Reagan-National

Mon 11/9

4:25 pm-7:27 pm

Nonstop6h 02m

Seattle/Tacoma Intl

Thu 11/12

7:20 am-3:13 pm

Nonstop4h 53m

$297

Washington, D.C.Seattle

IAD Washington, D.C. Dulles Intl - SEA Seattle/Tacoma Intl

IADSEA

Washington, D.C. Dulles Intl

Mon 10/26

7:05 am-9:56 am

Nonstop5h 51m

Seattle/Tacoma Intl

Thu 10/29

1:40 pm-12:42 am

1 stop8h 02m

$297

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington from

How to get the cheapest flight ticket from Pennsylvania to State of Washington

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 month to fly to State of Washington?

The month of January is, on average, the cheapest month to fly to State of Washington from Pennsylvania, with most prices found around $324. If you aren’t able to travel to State of Washington during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $342.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Pennsylvania to State of Washington is on a Wednesday. Travelers who choose to depart for State of Washington on a Wednesday will often find tickets for as low as $432. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Pennsylvania to State of Washington for around $527.

What is the cheapest time of day to depart on your flight to State of Washington?

The cheapest time of day to fly to State of Washington is in the morning when flights can be purchased for as low as $465. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $466 on average. Flights to State of Washington from Pennsylvania in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Pennsylvania to Washington flight route?

Fly from Pittsburgh to Seattle/Tacoma Intl for the best Pennsylvania - Washington flight prices

How far in advance should I book a flight from Pennsylvania to Washington?

You are more likely to see cheaper flights to State of Washington from Pennsylvania when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $397 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Pennsylvania for as low as $345 on momondo.

What cabin class options are available on Pennsylvania to State of Washington flights?

There are 4 cabin classes available to choose from on Pennsylvania to State of Washington flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Pennsylvania to State of Washington flights?

No. A direct flight is the cheapest option for a flight between Pennsylvania to State of Washington.

Cheap Pennsylvania to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Pennsylvania to State of Washington

Best Price Found

$169

Fastest flight time

5h 11m

Direct flights

Every day

Airports in State of Washington

96 airports
The best one-way flight to State of Washington from Pennsylvania in the past 72 hours is $169. The best round-trip flight deal from Pennsylvania to State of Washington found on momondo in the last 72 hours is $275.
The fastest flight from Pennsylvania to State of Washington takes 5h 11m
Direct flights go from Pennsylvania to State of Washington every day.
There are 96 airports in State of Washington. From Pennsylvania there are direct flights to Portland (PDX), Seattle/Tacoma Intl (SEA).
Search flight deals

Frequently asked questions about flying from Pennsylvania to Washington

  • When did momondo last update prices for flights from Pennsylvania to Washington?

    Prices for flights from Pennsylvania to Washington refresh daily.

  • How many operators does momondo search for flights from Pennsylvania to Washington?

  • How old do you have to be to fly from Pennsylvania to Washington?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Pennsylvania to Washington.

  • What documentation or ID do you need to fly to Washington?

    The travel and health documents required for your trip to Washington 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. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Pennsylvania to State of Washington?

Best airlines flying from Pennsylvania to State of Washington

Compare and see reviews for airlines that fly from Pennsylvania to State of Washington with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $157Free CancellationRating
5.6
2,606 reviews
Search Frontier flights
DeltaPriceFrom $159Free CancellationRating
7.8
8,567 reviews
Search Delta flights
SouthwestPriceFrom $163Free CancellationRating
8.0
4,191 reviews
Search Southwest flights
American AirlinesPriceFrom $178Free CancellationRating
7.1
12,050 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $180Free CancellationRating
7.9
12,915 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $234Free CancellationRating
7.4
10,207 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Pennsylvania to Washington?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Pennsylvania to Washington. momondo saves you time and could save you money on your trip.

Can I find flights from Pennsylvania to Washington with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington from Pennsylvania with this policy.

How can momondo help me find flights from Pennsylvania to Washington?

momondo helps you find the best flight between Pennsylvania and Washington by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Pennsylvania to Washington right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Pennsylvania to Washington 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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