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Cheap flights from Pennsylvania to Washington, D.C. from $49

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pennsylvania to Washington, D.C. departing on 1/15. 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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0 bags

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Cheap round-trip flights

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Delta Logo
5:35 pm - 7:09 pm
JFK
-
IAD
1h 34mnonstop
Delta Logo
7:49 pm - 9:27 pm
IAD
-
JFK
1h 38mnonstop
$123Delta
Tue, Jan 20 - Fri, Jan 30
Southern / Mokulele Logo
7:40 am - 11:26 am
PIT
-
IAD
3h 46m1 stop
Southern / Mokulele Logo
5:40 pm - 9:29 pm
IAD
-
PIT
3h 49m1 stop
$124Southern / Mokulele
Mon, Jan 12 - Thu, Jan 15
Multiple Airlines Logo
5:40 pm - 10:44 am
EWR
-
IAD
17h 04m1 stop
Multiple Airlines Logo
5:37 pm - 7:53 am
IAD
-
EWR
14h 16m1 stop
$128Multiple Airlines
Fri, Jan 23 - Sun, Jan 25
United Airlines Logo
10:28 am - 11:55 am
LGA
-
IAD
1h 27mnonstop
United Airlines Logo
10:20 pm - 11:43 pm
IAD
-
LGA
1h 23mnonstop
$129United Airlines
Tue, Jan 20 - Wed, Jan 21
United Airlines Logo
3:00 pm - 4:25 pm
EWR
-
IAD
1h 25mnonstop
United Airlines Logo
6:00 am - 7:19 am
IAD
-
EWR
1h 19mnonstop
$129United Airlines
Tue, Jan 20 - Wed, Jan 21
Frontier Logo
6:15 am - 4:52 pm
LGA
-
IAD
10h 37m1 stop
Frontier Logo
6:00 am - 4:29 pm
IAD
-
LGA
10h 29m1 stop
$130Frontier
Thu, Jan 15 - Sun, Jan 18
Frontier Logo
6:10 am - 4:33 pm
JFK
-
IAD
10h 23m1 stop
Frontier Logo
5:37 pm - 1:03 am
IAD
-
JFK
7h 26m1 stop
$130Frontier
Fri, Jan 30 - Sun, Feb 1
Multiple Airlines Logo
5:40 pm - 4:33 pm
EWR
-
IAD
22h 53m1 stop
Multiple Airlines Logo
11:39 am - 11:30 pm
IAD
-
EWR
11h 51m1 stop
$131Multiple Airlines
Sat, Jan 24 - Sat, Jan 31
American Airlines Logo
5:45 am - 12:36 pm
MDT
-
IAD
6h 51m1 stop
American Airlines Logo
5:46 pm - 11:58 pm
IAD
-
MDT
6h 12m1 stop
$199American Airlines
Sat, Jan 24 - Sat, Jan 31
American Airlines Logo
1:02 pm - 5:16 pm
ABE
-
IAD
4h 14m1 stop
American Airlines Logo
5:46 pm - 10:26 pm
IAD
-
ABE
4h 40m1 stop
$199American Airlines
Fri, Jan 23 - Mon, Jan 26

Southern / Mokulele flights from Pennsylvania to Washington, D.C. Dulles Intl Airport

Our best Southern / Mokulele deals on Pennsylvania to Washington, D.C. Dulles Intl Airport flight tickets
Southern / Mokulele
Feb 6
PIT7:40 amPittsburgh
3h 43m
1 stop
IAD11:23 amWashington, D.C. Dulles Intl
Feb 8
IAD5:40 pmWashington, D.C. Dulles Intl
3h 48m
1 stop
PIT9:28 pmPittsburgh
$124
Find similar
Southern / Mokulele
Dec 30
PIT7:40 amPittsburgh
3h 43m
1 stop
IAD11:23 amWashington, D.C. Dulles Intl
Jan 4
IAD5:40 pmWashington, D.C. Dulles Intl
3h 49m
1 stop
PIT9:29 pmPittsburgh
$125
Find similar
Southern / Mokulele
Jan 8
PIT7:40 amPittsburgh
3h 46m
1 stop
IAD11:26 amWashington, D.C. Dulles Intl
Jan 11
IAD12:50 pmWashington, D.C. Dulles Intl
4h 17m
1 stop
PIT5:07 pmPittsburgh
$134
Find similar

United Airlines flights from Pennsylvania to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Pennsylvania to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Jan 20
LGA10:28 amNew York LaGuardia
1h 27m
IAD11:55 amWashington, D.C. Dulles Intl
Jan 21
IAD10:20 pmWashington, D.C. Dulles Intl
1h 23m
LGA11:43 pmNew York LaGuardia
$129
Find similar
United Airlines
Feb 8
LGA6:00 amNew York LaGuardia
1h 30m
IAD7:30 amWashington, D.C. Dulles Intl
Feb 8
IAD12:40 pmWashington, D.C. Dulles Intl
1h 34m
LGA2:14 pmNew York LaGuardia
$138
Find similar
United Airlines
Jan 9
LGA7:29 pmNew York LaGuardia
1h 30m
IAD8:59 pmWashington, D.C. Dulles Intl
Jan 11
IAD5:10 pmWashington, D.C. Dulles Intl
1h 34m
LGA6:44 pmNew York LaGuardia
$147
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Pennsylvania to Washington, D.C. Dulles Intl Airport 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 December 27, 2025.
Use the filters below to find and compare flights from Pennsylvania to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New YorkWashington, D.C.

JFK - IAD

JFKIAD

New York John F Kennedy Intl

Tue 1/20

5:35 pm-7:09 pm

Nonstop1h 34m

Washington, D.C. Dulles Intl

Fri 1/30

7:49 pm-9:27 pm

Nonstop1h 38m

$123

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Mon 1/12

7:40 am-11:26 am

1 stop3h 46m

Washington, D.C. Dulles Intl

Thu 1/15

5:40 pm-9:29 pm

1 stop3h 49m

$124

NewarkWashington, D.C.

EWR - IAD

EWRIAD

Newark

Fri 1/23

5:40 pm-10:44 am

1 stop17h 04m

Washington, D.C. Dulles Intl

Sun 1/25

5:37 pm-7:53 am

1 stop14h 16m

$128

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Tue 1/20

10:28 am-11:55 am

Nonstop1h 27m

Washington, D.C. Dulles Intl

Wed 1/21

10:20 pm-11:43 pm

Nonstop1h 23m

$129

NewarkWashington, D.C.

EWR - IAD

EWRIAD

Newark

Tue 1/20

3:00 pm-4:25 pm

Nonstop1h 25m

Washington, D.C. Dulles Intl

Wed 1/21

6:00 am-7:19 am

Nonstop1h 19m

$129

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Thu 1/15

6:15 am-4:52 pm

1 stop10h 37m

Washington, D.C. Dulles Intl

Sun 1/18

6:00 am-4:29 pm

1 stop10h 29m

$130

New YorkWashington, D.C.

JFK - IAD

JFKIAD

New York John F Kennedy Intl

Fri 1/30

6:10 am-4:33 pm

1 stop10h 23m

Washington, D.C. Dulles Intl

Sun 2/1

5:37 pm-1:03 am

1 stop7h 26m

$130

NewarkWashington, D.C.

EWR - IAD

EWRIAD

Newark

Sat 1/24

5:40 pm-4:33 pm

1 stop22h 53m

Washington, D.C. Dulles Intl

Sat 1/31

11:39 am-11:30 pm

1 stop11h 51m

$131

HarrisburgWashington, D.C.

MDT - IAD

MDTIAD

Harrisburg

Sat 1/24

5:45 am-12:36 pm

1 stop6h 51m

Washington, D.C. Dulles Intl

Sat 1/31

5:46 pm-11:58 pm

1 stop6h 12m

$199

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Fri 1/23

1:02 pm-5:16 pm

1 stop4h 14m

Washington, D.C. Dulles Intl

Mon 1/26

5:46 pm-10:26 pm

1 stop4h 40m

$199

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Pennsylvania 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

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Wednesday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $770. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Pennsylvania to Washington, D.C. Dulles Intl Airport for around $954.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Pennsylvania in the morning is the least expensive time of day to depart. momondo users have found prices as low as $812 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,146 on average. Flights to Washington, D.C. Dulles Intl Airport from Pennsylvania at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Pennsylvania to Washington, D.C. Dulles Intl flight route?

Fly from Lancaster to Washington, D.C. Dulles Intl for the best Pennsylvania - Washington, D.C. Dulles Intl flight prices

What cabin class options are available on Pennsylvania to Washington, D.C. Dulles Intl flights?

There are 4 cabin classes available to choose from on Pennsylvania to Washington, D.C. Dulles Intl 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 Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 1% on your flight if you consider stops on a Pennsylvania to Washington, D.C. Dulles Intl Airport flight.

Cheap Pennsylvania to Washington, D.C. Dulles Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Pennsylvania to Washington, D.C. Dulles Intl Airport

Best Price Found

$64

Fastest flight time

1h 03m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Pennsylvania in the past 72 hours is $64. The best round-trip flight deal from Pennsylvania to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $308.
The fastest flight from Pennsylvania to Washington, D.C. Dulles Intl Airport takes 1h 03m
Direct flights go from Pennsylvania to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

  • When did momondo last update prices for flights from Pennsylvania to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Pennsylvania to Washington, D.C. Dulles Intl Airport are updated daily.

  • How many operators does momondo search for flights from Pennsylvania to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Pennsylvania to Washington, D.C. Dulles Intl Airport?

    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 Pennsylvania 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 you'll need for your trip to Washington, D.C. Dulles Intl Airport 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 Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Pennsylvania to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Pennsylvania to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Pennsylvania to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Southern / MokulelePriceFrom $99Free CancellationRating
0.0
0 reviews
Search Southern / Mokulele flights
United AirlinesPriceFrom $179Free CancellationRating
7.4
9,116 reviews
Search United Airlines flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Harpers Ferry
Gaithersburg
Reston
Manassas
Sterling
Fairfax

Why use momondo?

Why should I use momondo to find a flight deal from Pennsylvania to Washington, D.C.?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Pennsylvania to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Pennsylvania to Washington, D.C. with flexible booking policies on momondo?

momondo does allow users to show only those flights to Washington, D.C. from Pennsylvania which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Pennsylvania to Washington, D.C.?

Once you have performed a search for Pennsylvania to Washington, D.C. 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 Pennsylvania to Washington, D.C. right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington, D.C. from Pennsylvania. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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