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PAO to SEA: distance & flight time
Palo Alto (Palo Alto Airport of Santa Clara County) → Seattle (Seattle Tacoma International Airport)
690 mi
1,111 km · 600 nm
1h 58m
estimated nonstop flight time
Same time
time difference · heading north
See live PAO→SEA fares Phone-only fares on this route — call free
Flight time details
690 miles nonstop takes roughly 1h 58m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- PAO — Palo Alto Airport of Santa Clara County · Palo Alto, United States
- SEA — Seattle Tacoma International Airport · Seattle, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near PAO
- SFO · San Francisco International Airport18 mi away
- NUQ · Moffett Federal Airfield5 mi away
- SQL · San Carlos Airport8 mi away
- SJC · Norman Y. Mineta San Jose International Airport12 mi away
Near SEA
- RNT · Renton Municipal Airport5 mi away
- BFI · Boeing Field King County International Airport6 mi away
- TIW · Tacoma Narrows Airport18 mi away
- PWT · Bremerton National Airport21 mi away
Frequently asked questions
How far is PAO from SEA?
The flight distance from Palo Alto (PAO) to Seattle (SEA) is 690 miles (1,111 km, 600 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PAO to SEA?
A nonstop flight takes about 1h 58m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the cheapest way to fly from PAO to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PAO–SEA that never appear on search engines, with no booking fees.