Quick route facts

Departure airport
Cincinnati/Northern Kentucky International Airport
Arrival airport
Seattle-Tacoma International Airport
Route type
City trip
Best use
Pacific Northwest trips, Alaska cruise connections, and summer travel

Route overview

This route is useful for Pacific Northwest trips, Alaska cruise connections, and summer travel. Start with Cincinnati/Northern Kentucky International Airport, then compare Seattle-Tacoma International Airport and nearby airport alternatives when the fare difference is meaningful.

Route decision brief

Cincinnati to Seattle should be treated as a city trip comparison, not a blank price lookup. The useful decision is whether the traveler should start with fixed dates, widen the date window, compare stop filters, or test alternate airports before leaving FareGlide for live partner results.

First live-search angle

October 2026 from $125

Start with the strongest cached month signal, then test nearby weeks for the same trip length.

Main comparison risk

Event and business demand

Do not choose by fare alone; compare departure day, return timing, baggage rules, and total trip cost.

Cached data signal

3 samples / $125 to $225

0 cached nonstop samples and Frontier Airlines (F9), Southwest Airlines (WN) are available as planning context.

  • Cincinnati/Northern Kentucky International Airport is currently framed around Europe, Florida, and alternative Ohio departures, so this route should be compared against that origin strategy first.
  • Seattle has 7 covered FareGlide origin routes, so same-destination origin comparisons are available.
  • Cached observations cover 3 fare samples across 2 sampled months.
  • A route-budget page exists at $150, which is useful when the traveler has a hard price ceiling.

Fare planning profile

Date pattern

Compare flexible midweek dates, early morning departures, and nearby weekends before locking the trip.

Fare watch

City-route fares often react to events and business-travel demand, so recent snapshots should be treated as context.

Airport strategy

If the destination has several airports, compare total trip time and ground transport before choosing the lowest fare.

Theme-specific planning notes

  • City-trip fares can react to conventions, sports, concerts, and business-travel peaks.
  • Compare total arrival time when the destination has more than one practical airport.
  • Look at one or two nearby departure dates before treating one fare as typical.

Direct and connecting flights

Compare nonstop filters with one-stop itineraries. Low fares can appear on both direct and connecting options depending on date and carrier.

Research direct flights from Cincinnati

When to compare fares

Use flexible dates and compare nearby weeks because long-haul fares can change sharply by season.

Open cached fare calendar for Cincinnati to Seattle Open October 2026 cheap-month signal

Nearby airport alternatives

Columbus, Indianapolis, Louisville, and Chicago can be useful comparisons for Seattle fares.

Compare nearby airports for Cincinnati

How to use this page

  • Start with Cincinnati (CVG) to Seattle (SEA) on your preferred date.
  • Open the same search with one or two nearby departure dates to avoid a single expensive day.
  • Compare nonstop filters against one-stop results before deciding the time saving is worth the fare difference.
  • Columbus, Indianapolis, Louisville, and Chicago can be useful comparisons for Seattle fares.
  • Use FareGlide snapshots only as recent context; confirm live price, baggage, seat, and refund rules with the booking provider.

Connected route research

Use these companion pages to move from the broad route guide into direct-flight, timing, airport, destination, and airline-specific checks.

Direct-flight view for CVG to SEA Nonstop and direct-flight intent page Cincinnati to Seattle flights under $150 1 cached under-ceiling sample from $125 Cincinnati to Seattle fare calendar 2 cached month signals October 2026 cheap-month signal for CVG to SEA 2 cached month samples from $125 Flights to Seattle Destination hub and alternate origins Cincinnati to Seattle airport options 2 arrival airports to compare Alternate airports for Cincinnati to Seattle 3 same-destination origin options CVG vs CLE to SEA One alternate airport, one fixed destination CVG vs PIT to SEA One alternate airport, one fixed destination Nearby airports for Cincinnati Departure-airport alternatives Frontier Airlines (F9) cached samples 2 samples / $125 to $225 / 2 connecting

Cached fare context

FareGlide last found 3 recently found fares $125 to $225, with no nonstop snapshots and 2 airline codes. These snapshots were generated on May 29, 2026 and should be used as context, not a guaranteed live fare.

Snapshot range
$125 to $225
Fare samples
3
Nonstop seen
0
Airline codes
2
Oct 16, 2026 $125 1 stop snapshot / Frontier Airlines (F9)
Oct 14, 2026 $179 1 stop snapshot / Southwest Airlines (WN)
Jun 8, 2026 $225 1 stop snapshot / Frontier Airlines (F9)

Sampled month signals

Across 2 sampled months, the lowest cached sample is $125 in October 2026; no sampled month includes a nonstop fare.

See the route fare calendar with month-by-month signals
June 2026 $225 1 sample
October 2026 $125 2 samples

Cheapest cached dates to recheck

  • Oct 16, 2026 $125 / 1 stop / Frontier Airlines (F9)
  • Oct 14, 2026 $179 / 1 stop / Southwest Airlines (WN)
  • Jun 8, 2026 $225 / 1 stop / Frontier Airlines (F9)

Carrier samples: Frontier Airlines (F9), Southwest Airlines (WN)

Frontier AirlinesSouthwest Airlines

Fare recheck plan

For Cincinnati to Seattle, start by rechecking October 2026 from $125, then compare stop filters and carrier filters in live partner results before booking.

First date window

October 2026 from $125

Cached departure span: Jun 8, 2026 to Oct 16, 2026. Recheck nearby weekdays before trusting a single fare.

Stop filter

No cached nonstop sample

No cached nonstop sample; start with connecting fares from $125.

Carrier filter

Frontier Airlines (F9)

Frontier Airlines (F9) appeared in 2 cached samples, with a low sample of $125.

Price sanity check

$125 to $225

FareGlide has 3 cached samples for CVG to SEA; use the range as context, not as a live quote.

Airline snapshot context

Recent FareGlide fare samples for Cincinnati to Seattle included Frontier Airlines (F9), Southwest Airlines (WN). This is cached price context, not a live schedule guarantee.

Published airline snapshot hubs connect those carrier codes back to other FareGlide route guides where the same airline appeared in cached fare data.

Frontier Airlines (F9)Southwest Airlines (WN)

FareGlide also publishes route-airline detail pages when a carrier has multiple cached samples or a cached nonstop sample on this route.

Frontier Airlines (F9) 2 samples / $125 to $225 / 2 connecting
  • Recheck current operating carriers and stop patterns in partner results before booking.
  • Compare the total fare rules, baggage policy, seat costs, and connection time instead of choosing only by base price.
  • Expect one-stop options to matter on this route unless live partner results show a suitable nonstop fare.

Recently found fare snapshots

Recently found fare cards load here when available. You can open current partner results now.

Check current fares

Compare other ways to reach Seattle

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Cincinnati to Seattle questions

How do I check current Cincinnati to Seattle fares?

Use the search form on this page to open current partner flight search results. FareGlide does not sell tickets directly.

Are Cincinnati to Seattle prices live on this page?

Fare examples are recently found snapshots when available, not guaranteed live prices. Always confirm the current fare before booking.

Are there direct flights from CVG to SEA?

Compare nonstop filters with one-stop itineraries. Low fares can appear on both direct and connecting options depending on date and carrier.

When should I compare Cincinnati to Seattle flights?

Use flexible dates and compare nearby weeks because long-haul fares can change sharply by season.

What can change fares on Cincinnati to Seattle city trips?

Seattle city routes can move around business demand, conventions, concerts, sports, and holiday weekends. Compare nearby dates before treating one fare as typical.

Should I choose the lowest airport option for Seattle?

Not automatically. Compare total travel time, ground transport, arrival airport, and baggage rules before choosing the lowest displayed fare.