Your next trip, last seen at €265
When to fly
Explore datesMore dates worth a look
Find the dates that work for you
The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- Lowest observed
- €265, departing 4 Nov 2026 (Last checked: 29 Oct 2026)One-way fare · Priced departure days checked in the last 14 days: 86Check live prices for this route
- Airlines seen
- Alaska Airlines, Allegiant Air, Frontier Airlines, JetBlue, United Airlines
- Reported fastest flight
- 4h 29m
- Non-stop
- Yes
About this route
Explore the fares we observed from Seattle to Pittsburgh. Prices move often, so pick your dates to see the latest options.
- Route distance
- 3,432 km
- Reported fastest flight
- 4h 29m
- Seen on fares with a connection
- Frontier Airlines, United Airlines, Alaska Airlines, JetBlue
- Alternative airports
- BFI, AGC
Route-level information; individual journeys vary.
A clearer picture of your fare
Non-stop airlines seen on this route
| Airline | Non-stop days / priced days | Fastest non-stop |
|---|---|---|
| Alaska Airlines | 10 / 87 |
Departure days with a non-stop fare checked in the last 14 days. A carrier listed here had a non-stop fare on at least 3 days; schedules may differ.
Airport to city: straight-line distance
- King County International Airport - Boeing Field (BFI) → Seattle, city gazetteer reference point (47.6062, -122.3321): ≈ 9 km.
- Seattle–Tacoma International Airport (SEA) → Seattle, city gazetteer reference point (47.6062, -122.3321): ≈ 18 km.
- Pittsburgh International Airport (PIT) → Pittsburgh, city gazetteer reference point (40.4406, -79.9959): ≈ 21 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest fare by departure month
| Month | Lowest fare | Priced days |
|---|---|---|
| October 2026 | €243 | 3 |
| November 2026 | €181 | 30 |
| December 2026 | €176 | 31 |
| January 2027 | €181 | 22 |
Lowest fare by day of the week
Cheapest day of the week from Seattle to Pittsburgh: Wednesday, from €176 (checked 22 Oct 2026).
| Day | Lowest fare | Priced days |
|---|---|---|
| Monday | €181 | 12 |
| Tuesday | €184 | 12 |
| Wednesday | €176 | 12 |
| Thursday | €184 | 13 |
| Friday | €182 | 13 |
| Saturday | €184 | 12 |
| Sunday | €186 | 12 |
One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.
Lowest fare by days before departure
Lowest fare from Seattle to Pittsburgh by days until departure (31 to 60 days): €176 (checked 22 Oct 2026).
| Days before departure | Lowest fare | Priced days |
|---|---|---|
| 0 to 7 days | €243 | 8 |
| 8 to 30 days | €181 | 23 |
| 31 to 60 days | €176 | 30 |
| 61 days or more | €181 | 25 |
One-way fares checked in the last 14 days. Each figure is the lowest stored fare for that distance to departure, not a price forecast.
Fares for different departure dates, checked now; not a guide to when to book.
Lowest one-way fare we saw per airline
Cheapest airline from Seattle to Pittsburgh: Frontier Airlines, from €176 (checked 22 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Frontier Airlines | €176Dec 9, 2026 | 36 |
| United Airlines | €184Jan 12, 2027 | 36 |
| JetBlue | €186Dec 6, 2026 | 3 |
| Alaska Airlines | €190Dec 29, 2026 | 10 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from Seattle to Pittsburgh?
The lowest fare Routavio has observed is €265, found on 29 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Seattle to Pittsburgh?
In our observations November 2026 is the cheapest month so far, at €265.
Which airlines fly from Seattle to Pittsburgh?
Routavio has seen these carriers on the route: Alaska Airlines, Allegiant Air, Frontier Airlines, JetBlue, United Airlines.
How long does the flight from Seattle to Pittsburgh take?
Across the 91 fares Routavio observed, the average journey time is 17h, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Seattle to Pittsburgh fares were non-stop?
10 of the 92 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.
Which airlines had non-stop offers on at least 3 departure dates from Seattle to Pittsburgh?
For Seattle to Pittsburgh, examples of observed one-way non-stop offers checked within the last 14 days: Alaska Airlines (10). Each number counts distinct departure dates, not weekly flights; check current availability in search.
Which day of the week is cheapest from Seattle to Pittsburgh?
Cheapest day of the week from Seattle to Pittsburgh: Wednesday, from €176 (checked 22 Oct 2026).
Which airline has the lowest fare from Seattle to Pittsburgh?
Cheapest airline from Seattle to Pittsburgh: Frontier Airlines, from €176 (checked 22 Oct 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide
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Recently observed fares. Prices may change.
Last checked: 29 Oct 2026