Cheap flights from Philadelphia to Seattle from £187
Trusted by millions
Kiwi.com Guarantee for stress-free travel
One search, all the best deals
Explore flight deals to Seattle
Not happy with the results? Try some of our useful filters
Search by stops
Search by price
Search by departure date
Not happy with the results? Try some of our useful filters
Search by stops
Search by price
Search by departure date
How much do flights to Seattle cost?
Cheapest one-way trip | £187 |
|---|---|
Cheapest nonstop round-trip | £293 |
Cheapest round-trip | £313 |
Average round-trip | £402 |
Nonstop flights in May | £185 – £390 |
Getting from Seattle airport to the city center
Fastest option: Link Light Rail. Best value: Sound Transit buses and Link Light Rail.
Transport Option | Typical Time | Typical Cost | Frequency | Best For |
|---|---|---|---|---|
35-45 min | fare to downtown stations | every 6–15 min (traffic dependent) | budget travelers to downtown | |
45-70 min | varies by destination zone | every 15–30 min (traffic dependent) | Bellevue and Eastside | |
50-80 min | flat fare | every 15–30 min (traffic dependent) | local connections | |
25-50 min | metered; flat rate to downtown available | on-demand 24/7 (traffic dependent) | door-to-door convenience | |
25-50 min | surge pricing may apply | on-demand 24/7 (traffic dependent) | flexible pickup locations | |
25-50 min | pre-booked; varies by provider | by reservation (traffic dependent) | groups and guaranteed pickup | |
25-50 min | per day; varies by vehicle and provider | 24/7 availability (traffic dependent) | exploring beyond Seattle |
Notes:
- Prices in USD; table created in 2025 and subject to change.
- Link Light Rail operates from approximately 5:00 AM to midnight, with extended hours on weekends.
- Taxis offer a flat rate of approximately $45 to downtown Seattle; metered fares may vary.
- Ride-hailing pickup is located on the 3rd floor of the parking garage.
- We recommend checking official transport websites for your travel planning.
Updated: December 2025
Key info about flying to Seattle
Weekly direct flights
Discover the top airlines offering direct flights from Philadelphia to Seattle in the next month. You’ll find the number of daily direct flights per airline in the chart.
| Airline | Mon 18.05 | Tue 19.05 | Wed 20.05 | Thu 21.05 | Fri 22.05 | Sat 23.05 | Sun 24.05 |
|---|---|---|---|---|---|---|---|
| 2 | 2 | 2 | 2 | 2 | 2 | 2 | |
| --- | --- | --- | --- | --- | 2 | --- | |
| Weekly flights: 16 total | Daily flights: 2.29 average | Most flights: Monday 2 flights |
| Airline | Mon 25.05 | Tue 26.05 | Wed 27.05 | Thu 28.05 | Fri 29.05 | Sat 30.05 | Sun 31.05 |
|---|---|---|---|---|---|---|---|
| 2 | 2 | 2 | 2 | 2 | 2 | 2 | |
| --- | --- | --- | --- | --- | --- | --- | |
| Weekly flights: 14 total | Daily flights: 2 average | Most flights: Monday 2 flights |
| Airline | Mon 01.06 | Tue 02.06 | Wed 03.06 | Thu 04.06 | Fri 05.06 | Sat 06.06 | Sun 07.06 |
|---|---|---|---|---|---|---|---|
| 2 | 2 | 2 | 2 | 2 | 2 | 2 | |
| --- | --- | --- | --- | --- | --- | --- | |
| Weekly flights: 14 total | Daily flights: 2 average | Most flights: Monday 2 flights |
| Airline | Mon 08.06 | Tue 09.06 | Wed 10.06 | Thu 11.06 | Fri 12.06 | Sat 13.06 | Sun 14.06 |
|---|---|---|---|---|---|---|---|
| 2 | 2 | 2 | 2 | 2 | 2 | 2 | |
| --- | --- | --- | --- | --- | --- | --- | |
| Weekly flights: 14 total | Daily flights: 2 average | Most flights: Monday 2 flights |
Check-in for a flight from Philadelphia to Seattle
| Name | Carrier code | IATA Code | Passport needed during booking |
|---|---|---|---|
| Frontier Airlines | FFT | F9 | No |
| WestJet | WJA | WS | No |
| United Airlines | UAL | UA | No |
| Alaska Airlines | ASA | AS | No |
| Harbour Air (Priv) | HES | YB | No |
Online check-in is not available for these airlines.
Weather in Seattle
Average Weather
| Month | Average monthly max temperature | Average monthly min temperature |
| January | 7°C | 2°C |
| February | 8°C | 2°C |
| March | 10°C | 3°C |
| April | 13°C | 5°C |
| May | 18°C | 8°C |
| June | 21°C | 10°C |
| July | 25°C | 13°C |
| August | 25°C | 14°C |
| September | 22°C | 11°C |
| October | 15°C | 8°C |
| November | 10°C | 4°C |
| December | 6°C | 2°C |
14 day forecast
Seattle travel tips
Why not try goat yoga being in Seattle?
Regular yoga is too boring for Seattleites; they have taken it a step further. Here you have a chance to try the most unusual yoga class on the planet — goat yoga. In fact, you will do regular yoga with goats surrounding you as you are opening your chakras. A good mood is guaranteed as animals always bring positive emotions. Don’t hesitate to try it!
Where is the historic heart of Seattle?
Pioneer Square is the historic heart of Seattle. The Smith Tower will draw your attention among other Victorian-era buildings with its height of 42 stories. On the 35th floor, there is an observation deck with a nice view of the historic district of Seattle. Visit the place to get a feel of history!
Visit Grand Illusion Cinema if you are a film enthusiast
Grand Illusion Cinema is a must for all cinema goers visiting Seattle. The vintage space with red velvet seats contributes to a special atmosphere for comfortable watching. You can watch here everything starting from indie releases to movie classics. Make yourself comfortable!
Frequently asked questions
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any origin and destination in the world by plane. Find the cheapest routes and best deals, as well as the best dates to travel.
Explore alternative trips
Flights from Philadelphia
Flights to Seattle
Popular routes
Airports near Philadelphia
Airports near Seattle
Download our app