Your next trip, last seen at €126
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
- €126, departing 17 Nov 2026 (Last checked: 27 Oct 2026)One-way fare · Priced departure days checked in the last 14 days: 68Check live prices for this route
- Airlines seen
- Delta Air Lines, Alaska Airlines, Allegiant Air, American Airlines, Breeze Airways, Frontier Airlines, Southwest Airlines, United Airlines (8)
- Reported fastest flight
- 5h
- Non-stop
- Yes
About this route
Explore the fares we observed from Cincinnati to Seattle. Prices move often, so pick your dates to see the latest options.
- Route distance
- 3,165 km
- Reported fastest flight
- 5h
- Alternative airports
- LUK, BFI
Route-level information; individual journeys vary.
Published schedules report non-stop service with Delta Air Lines. Check current timetables.
A clearer picture of your fare
Non-stop airlines seen on this route
| Airline | Non-stop days / priced days | Fastest non-stop |
|---|---|---|
| Alaska Airlines | 16 / 68 |
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
- Cincinnati Municipal Airport Lunken Field (LUK) → Cincinnati, city gazetteer reference point (39.1031, -84.5120): ≈ 8 km.
- Cincinnati Northern Kentucky International Airport (CVG) → Cincinnati, city gazetteer reference point (39.1031, -84.5120): ≈ 15 km.
- 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.
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
Cheapest month from Cincinnati to Seattle: November 2026, from €126 (checked 27 Oct 2026).
| Month | Lowest fare | Priced days |
|---|---|---|
| November 2026 | €126 | 15 |
| December 2026 | €134 | 26 |
| January 2027 | €132 | 25 |
Lowest fare by day of the week
Cheapest day of the week from Cincinnati to Seattle: Tuesday, from €126 (checked 27 Oct 2026).
| Day | Lowest fare | Priced days |
|---|---|---|
| Monday | €142 | 9 |
| Tuesday | €126 | 11 |
| Wednesday | €158 | 10 |
| Thursday | €159 | 11 |
| Friday | €134 | 12 |
| Saturday | €147 | 7 |
| Sunday | €132 | 8 |
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 Cincinnati to Seattle by days until departure (8 to 30 days): €126 (checked 27 Oct 2026).
| Days before departure | Lowest fare | Priced days |
|---|---|---|
| 8 to 30 days | €126 | 15 |
| 31 to 60 days | €134 | 25 |
| 61 days or more | €132 | 26 |
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 Cincinnati to Seattle: Frontier Airlines, from €126 (checked 27 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Frontier Airlines | €126Nov 17, 2026 | 43 |
| Allegiant Air | €132Jan 24, 2027 | 7 |
| Alaska Airlines | €194Dec 16, 2026 | 16 |
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 Cincinnati to Seattle?
The lowest fare Routavio has observed is €126, found on 27 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Cincinnati to Seattle?
Cheapest month from Cincinnati to Seattle: November 2026, from €126 (checked 27 Oct 2026).
Are there direct flights from Cincinnati to Seattle?
Yes. Published schedules report non-stop flights on this route with Delta Air Lines.
Which airlines fly from Cincinnati to Seattle?
Routavio has seen these carriers on the route: Delta Air Lines, Alaska Airlines, Allegiant Air, American Airlines, Breeze Airways, Frontier Airlines, Southwest Airlines, United Airlines (8).
How long does the flight from Cincinnati to Seattle take?
Across the 95 fares Routavio observed, the average journey time is 22h 02m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Cincinnati to Seattle fares were non-stop?
17 of the 96 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 Cincinnati to Seattle?
For Cincinnati to Seattle, examples of observed one-way non-stop offers checked within the last 14 days: Alaska Airlines (16). Each number counts distinct departure dates, not weekly flights; check current availability in search.
Which day of the week is cheapest from Cincinnati to Seattle?
Cheapest day of the week from Cincinnati to Seattle: Tuesday, from €126 (checked 27 Oct 2026).
Which airline has the lowest fare from Cincinnati to Seattle?
Cheapest airline from Cincinnati to Seattle: Frontier Airlines, from €126 (checked 27 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: 27 Oct 2026