Seattle to Washington flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Seattle to Washington is €131 with Frontier Airlines (checked on 19 Oct 2026).
Your next trip, last seen at €131
Lowest observedFrontier Airlines · 3 stops · One wayWhen to fly
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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
- €131, departing 11 Jan 2027 (Last checked: 19 Oct 2026)One-way fareCheck live prices for this route
- Airlines seen
- Alaska Airlines, United Airlines, Delta Air Lines, Frontier Airlines, Southwest Airlines
- Reported fastest flight
- 4h 53m
- Non-stop
- Yes
About this route
Explore the fares we observed from Seattle to Washington. Prices move often, so pick your dates to see the latest options.
- Route distance
- 3,737 km
- Reported fastest flight
- 4h 53m
- Alternative airports
- BFI, DCA
Route-level information; individual journeys vary.
Published schedules report non-stop service with Alaska Airlines, United Airlines. Check current timetables.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Non-stop airlines seen on this route
| Airline | Non-stop days / priced days | Fastest non-stop |
|---|---|---|
| Alaska Airlines | 48 / 83 |
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.
- Ronald Reagan Washington National Airport (DCA) → Washington, city gazetteer reference point (38.8951, -77.0364): ≈ 5 km.
- Washington Dulles International Airport (IAD) → Washington, city gazetteer reference point (38.8951, -77.0364): ≈ 37 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 one-way fare we saw per airline
Cheapest airline from Seattle to Washington: Frontier Airlines, from €131 (checked 19 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Frontier Airlines | €131Jan 11, 2027 | 29 |
| Alaska Airlines | €175Nov 21, 2026 | 53 |
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 Washington?
The lowest fare Routavio has observed is €131, found on 19 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Seattle to Washington?
In our observations January 2027 is the cheapest month so far, at €131.
Are there direct flights from Seattle to Washington?
Yes. Published schedules report non-stop flights on this route with Alaska Airlines, United Airlines.
Which airlines fly from Seattle to Washington?
Routavio has seen these carriers on the route: Alaska Airlines, United Airlines, Delta Air Lines, Frontier Airlines, Southwest Airlines.
How long does the flight from Seattle to Washington take?
Across the 87 fares Routavio observed, the average journey time is 10h 25m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Seattle to Washington fares were non-stop?
48 of the 88 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 Washington?
For Seattle to Washington, examples of observed one-way non-stop offers checked within the last 14 days: Alaska Airlines (48). Each number counts distinct departure dates, not weekly flights; check current availability in search.
Which airline has the lowest fare from Seattle to Washington?
Cheapest airline from Seattle to Washington: Frontier Airlines, from €131 (checked 19 Oct 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio
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Recently observed fares. Prices may change.