Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Pennsylvania to Seattle from $64

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 Seattle departing on 2/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Deals available from 900+ travel sites.

"This year, momondo is the #1 place for airfares on the internet."
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from Pennsylvania to Seattle

Cheap round-trip flights

These are some of the best round-trip flight deals from Pennsylvania to Seattle that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Pennsylvania to Seattle.

Cheap last minute flights

Planning a quick getaway from Pennsylvania to Seattle? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Seattle, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Pennsylvania to Seattle

Find recent round-trip train or bus tickets from Pennsylvania to Seattle.

All round-trip flight deals to Seattle

The cheapest plane tickets to Seattle found on KAYAK recently.
1:01 pm - 3:35 pmDCA-SEA
29h 34m1 stop
3:15 pm - 4:59 pmSEA-DCA
22h 44m1 stop
$132Frontier
Find Deal
Wed, Jan 15 - Thu, Jan 23
1:01 pm - 2:19 pmDCA-SEA
28h 18m1 stop
3:15 pm - 12:01 pmSEA-DCA
17h 46m1 stop
$138Frontier
Find Deal
Thu, Jan 9 - Mon, Jan 13
9:02 pm - 11:55 amEWR-SEA
17h 53m1 stop
9:21 pm - 4:40 pmSEA-EWR
16h 19m1 stop
$193Spirit Airlines
Find Deal
Thu, Dec 12 - Fri, Dec 13
9:02 pm - 11:55 amEWR-SEA
17h 53m1 stop
9:21 pm - 4:40 pmSEA-EWR
16h 19m1 stop
$194Spirit Airlines
Find Deal
Thu, Dec 12 - Mon, Dec 16
7:20 pm - 10:00 pmPIT-SEA
5h 40mnonstop
10:55 am - 6:24 pmSEA-PIT
4h 29mnonstop
$197Alaska Airlines
Find Deal
Wed, Feb 19 - Sat, Feb 22
5:50 pm - 12:23 amPIT-SEA
9h 33m1 stop
5:30 am - 4:55 pmSEA-PIT
8h 25m1 stop
$216Delta
Find Deal
Fri, Dec 6 - Sun, Dec 8
7:20 pm - 10:00 pmPIT-SEA
5h 40mnonstop
10:55 am - 6:24 pmSEA-PIT
4h 29mnonstop
$217Alaska Airlines
Find Deal
Thu, Feb 20 - Sat, Feb 22
3:10 pm - 11:11 pmPIT-SEA
11h 01m1 stop
7:11 am - 7:37 pmSEA-PIT
9h 26m2 stops
$221American Airlines
Find Deal
Tue, Jan 21 - Tue, Jan 28
5:50 pm - 10:25 pmPIT-SEA
7h 35m1 stop
12:00 pm - 11:27 pmSEA-PIT
8h 27m1 stop
$226Delta
Find Deal
Thu, Dec 12 - Thu, Jan 9
11:30 am - 7:10 pmLGA-SEA
10h 40m1 stop
7:11 am - 6:25 pmSEA-LGA
8h 14m1 stop
$256American Airlines
Find Deal
Wed, Jan 8 - Tue, Jan 14
7:00 am - 2:25 pmDCA-SEA
10h 25m1 stop
$64Frontier
Find Deal
Mon, Feb 3
7:00 am - 2:19 pmDCA-SEA
10h 19m1 stop
$67Frontier
Find Deal
Mon, Jan 13
7:28 pm - 10:00 pmPIT-SEA
5h 32mnonstop
$99Alaska Airlines
Find Deal
Sat, Jan 11
5:45 pm - 11:03 pmPIT-SEA
8h 18m1 stop
$104Delta
Find Deal
Sat, Nov 23
6:16 pm - 12:21 amPIT-SEA
9h 05m1 stop
$108Delta
Find Deal
Fri, Dec 13
9:00 am - 11:28 amPIT-SEA
5h 28mnonstop
$119Alaska Airlines
Find Deal
Thu, Dec 12
10:20 am - 1:11 pmEWR-SEA
29h 51m2 stops
$124Spirit Airlines
Find Deal
Tue, Dec 17
5:20 am - 12:10 amEWR-SEA
21h 50m3 stops
$125Spirit Airlines
Find Deal
Tue, Dec 10
7:10 pm - 10:37 pmEWR-SEA
6h 27mnonstop
$129United Airlines
Find Deal
Thu, Nov 21
12:41 pm - 10:30 pmIAD-SEA
12h 49m1 stop
$138United Airlines
Find Deal
Sat, Feb 8
8:38 pm - 8:15 amPHL-SEA
14h 37m1 stop
8:28 pm - 5:31 amSEA-PHL
30h 03m1 stop
$190Frontier
Find Deal
Mon, Nov 18 - Wed, Nov 20
7:00 am - 6:08 pmDCA-SEA
14h 08m1 stop
8:28 pm - 12:06 pmSEA-DCA
12h 38m1 stop
$281Frontier
Find Deal
Sat, Nov 16 - Wed, Nov 20
12:29 pm - 8:15 amLGA-SEA
22h 46m1 stop
5:28 pm - 10:00 amSEA-LGA
13h 32m2 stops
Sun, Nov 17 - Wed, Nov 20
8:45 pm - 8:15 amPHL-SEA
14h 30m1 stop
9:35 pm - 5:30 amSEA-PHL
4h 55mnonstop
Sun, Nov 17 - Sun, Nov 24
6:08 pm - 4:23 pmEWR-SEA
25h 15m2 stops
7:01 pm - 9:10 amSEA-EWR
35h 09m3 stops
$373Spirit Airlines
Find Deal
Tue, Nov 19 - Wed, Nov 20
7:37 am - 12:59 pmPIT-SEA
8h 22m1 stop
11:51 pm - 10:52 amSEA-PIT
8h 01m1 stop
$379American Airlines
Find Deal
Tue, Nov 19 - Wed, Nov 20
6:08 pm - 4:23 pmEWR-SEA
25h 15m2 stops
7:01 pm - 1:29 pmSEA-EWR
15h 28m2 stops
$383Spirit Airlines
Find Deal
Tue, Nov 19 - Wed, Nov 20
4:41 pm - 9:00 pmPIT-SEA
7h 19m1 stop
12:55 am - 10:06 amSEA-PIT
6h 11m1 stop
$426Delta
Find Deal
Fri, Nov 15 - Sun, Nov 17
4:51 pm - 12:16 amPIT-SEA
10h 25m1 stop
5:30 am - 3:22 pmSEA-PIT
6h 52m1 stop
$442Delta
Find Deal
Tue, Nov 19 - Thu, Nov 28
5:57 pm - 12:53 amEWR-SEA
9h 56m1 stop
12:35 am - 12:56 pmSEA-EWR
9h 21m1 stop
$551American Airlines
Find Deal
Mon, Nov 18 - Tue, Nov 19
6:50 pm - 10:24 pmJFK-SEA
6h 34mnonstop
4:15 pm - 12:43 amSEA-JFK
5h 28mnonstop
$236Delta
Find Deal
Sat, Dec 7 - Sat, Dec 14
6:50 pm - 10:09 pmEWR-SEA
6h 19mnonstop
12:25 pm - 8:37 pmSEA-EWR
5h 12mnonstop
$237United Airlines
Find Deal
Sat, Mar 1 - Wed, Mar 5
7:28 pm - 10:00 pmPIT-SEA
5h 32mnonstop
10:55 am - 6:24 pmSEA-PIT
4h 29mnonstop
$237Alaska Airlines
Find Deal
Thu, Jan 9 - Fri, Feb 21
4:37 pm - 8:01 pmJFK-SEA
6h 24mnonstop
4:15 pm - 12:43 amSEA-JFK
5h 28mnonstop
$237Delta
Find Deal
Sat, Dec 7 - Sat, Dec 14
4:37 pm - 8:01 pmJFK-SEA
6h 24mnonstop
4:15 pm - 12:43 amSEA-JFK
5h 28mnonstop
$238Delta
Find Deal
Sat, Dec 7 - Sat, Dec 14
7:28 pm - 10:00 pmPIT-SEA
5h 32mnonstop
9:17 am - 6:32 pmSEA-PIT
6h 15mnonstop
$242Alaska Airlines
Find Deal
Tue, Jan 21 - Tue, Jan 28
5:55 pm - 9:29 pmJFK-SEA
6h 34mnonstop
10:39 pm - 6:50 amSEA-JFK
5h 11mnonstop
$312JetBlue
Find Deal
Sat, May 3 - Tue, May 6
5:55 pm - 9:29 pmJFK-SEA
6h 34mnonstop
10:39 pm - 6:50 amSEA-JFK
5h 11mnonstop
$353JetBlue
Find Deal
Tue, May 13 - Sun, May 18
10:50 am - 1:53 pmPHL-SEA
6h 03mnonstop
10:56 pm - 7:05 amSEA-PHL
5h 09mnonstop
$362American Airlines
Find Deal
Tue, Dec 24 - Tue, Dec 31
6:46 pm - 10:05 pmPHL-SEA
6h 19mnonstop
11:06 pm - 7:09 amSEA-PHL
5h 03mnonstop
$378American Airlines
Find Deal
Mon, Nov 25 - Fri, Nov 29

Frontier flights from Pennsylvania to Seattle

Our best Frontier deals on Pennsylvania to Seattle flight tickets
Frontier
Jan 15
DCA1:01 pmWashington, D.C. Reagan-National
29h 34m
1 stop
SEA3:35 pmSeattle/Tacoma Intl
Jan 23
SEA3:15 pmSeattle/Tacoma Intl
22h 44m
1 stop
DCA4:59 pmWashington, D.C. Reagan-National
Frontier
Jan 9
DCA1:01 pmWashington, D.C. Reagan-National
28h 18m
1 stop
SEA2:19 pmSeattle/Tacoma Intl
Jan 13
SEA3:15 pmSeattle/Tacoma Intl
17h 46m
1 stop
DCA12:01 pmWashington, D.C. Reagan-National
Frontier
Dec 11
DCA1:01 pmWashington, D.C. Reagan-National
25h 28m
1 stop
SEA11:29 amSeattle/Tacoma Intl
Dec 17
SEA9:36 pmSeattle/Tacoma Intl
11h 32m
1 stop
DCA12:08 pmWashington, D.C. Reagan-National

United Airlines flights from Pennsylvania to Seattle

Our best United Airlines deals on Pennsylvania to Seattle flight tickets
United Airlines
Dec 11
EWR6:35 pmNewark
6h 27m
SEA10:02 pmSeattle/Tacoma Intl
Dec 17
SEA12:30 pmSeattle/Tacoma Intl
8h 05m
1 stop
EWR11:35 pmNewark
United Airlines
Dec 11
EWR6:35 pmNewark
6h 27m
SEA10:02 pmSeattle/Tacoma Intl
Dec 16
SEA11:45 pmSeattle/Tacoma Intl
5h 07m
EWR7:52 amNewark
United Airlines
Dec 11
EWR9:00 amNewark
9h 57m
1 stop
SEA3:57 pmSeattle/Tacoma Intl
Dec 16
SEA7:40 amSeattle/Tacoma Intl
5h 20m
EWR4:00 pmNewark

How to get the cheapest flight ticket from Pennsylvania to Seattle

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 airline that flies to Seattle from Pennsylvania?

Frontier. Frontier, Spirit Airlines, and JetBlue are the most popular carriers operating from Pennsylvania to Seattle

What is the cheapest Pennsylvania to Seattle flight route?

Washington, D.C. Reagan-National - Seattle/Tacoma Intl. Fly from Washington, D.C. Reagan-National to Seattle/Tacoma Intl for the best Pennsylvania - Seattle flight prices

What cabin class options are available on Pennsylvania to Seattle flights?

There are 2 cabin classes available to choose from on Pennsylvania to Seattle 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 Seattle flights?

You could potentially save up to 32% on your flight if you consider stops on a Pennsylvania to Seattle flight.

Cheap Pennsylvania to Seattle flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Pennsylvania to Seattle

Best Price Found

$64

Fastest flight time

5h 14m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Pennsylvania in the past 72 hours is $64. The best round-trip flight deal from Pennsylvania to Seattle found on momondo in the last 72 hours is $132.
The fastest flight from Pennsylvania to Seattle takes 5h 14m
Direct flights go from Pennsylvania to Seattle every day.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

  • When did momondo last update prices for flights from Pennsylvania to Seattle/Tacoma Intl Airport?

    Prices for flights from Pennsylvania to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Pennsylvania to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Pennsylvania to Seattle/Tacoma Intl Airport?

    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 Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Pennsylvania to Seattle?


Best airlines flying from Pennsylvania to Seattle

Compare and see reviews for airlines that fly from Pennsylvania to Seattle with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $83Free CancellationRating
6.1
3,551 reviews
Search Frontier flights
JetBluePriceFrom $125Free CancellationRating
7.5
3,447 reviews
Search JetBlue flights
Spirit AirlinesPriceFrom $125Free CancellationRating
6.3
8,167 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $156Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $180Free CancellationRating
8.0
8,788 reviews
Search Delta flights
Sun Country AirPriceFrom $199Free CancellationRating
7.0
422 reviews
Search Sun Country Air flights
United AirlinesPriceFrom $236Free CancellationRating
7.4
9,194 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $256Free CancellationRating
8.0
9,439 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $276Free CancellationRating
8.1
5,045 reviews
Search Southwest flights

Why use momondo?

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

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 Pennsylvania to Seattle for you.

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

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

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

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

Yes momondo offers price alerts on flights to Seattle 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.


An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Tue 11/19
Tue 11/26
Email me momondo's favorite deals

Find better results for your trip to the United States