Seattle to Lafayette flights

Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Seattle to Lafayette is €275 with United Airlines (checked on 23 Oct 2026).

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Lowest observed

€275

Average observed

€424

Cheapest month

November 2026

Last checked

23 Oct 2026

Observed fares. Prices may change.

Your next trip, last seen at €275

Lowest observed

10 Nov 2026

United Airlines · 1 stop · One way

Cheapest observed day · Last checked: 23 Oct 2026

Departure

10:50

When 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

One-way fare · No data: click and we will search

Lowest observed: €275, departing 10 Nov 2026 (Last checked: 23 Oct 2026)One-way fare · Priced departure days checked in the last 14 days: 42Check live prices for this route
Airlines seen: American Airlines, Delta Air Lines, Porter Airlines Canada, United Airlines
Typical journey time: 6h 32m

Short answer

Routavio has seen American Airlines fares from Seattle to Lafayette. The lowest fare Routavio's own searches returned is €275, seen on 23 Oct 2026. The average across the fares we caught is €424. November 2026 is the cheapest month in our observations, at €275. These are prices Routavio's searches returned on the dates shown, not quotes; run a live search for today's fare.

About this route

Explore the fares we observed from Seattle to Lafayette. Prices move often, so pick your dates to see the latest options.

Route distance: 3,224 km
Typical journey time: 6h 32m
Seen on fares with a connection: United Airlines, American Airlines, Delta Air Lines
Alternative airports: BFI

Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.

A clearer picture of your fare

Observed, not guaranteed

Every price is a fare we actually saw, and it may change at any time.

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We show like-for-like journeys so the comparison is fair.

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The price is final on the provider's site, where your booking is completed.

How our prices work

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.
Lafayette Regional Airport (LFT) → Lafayette, city gazetteer reference point (30.2241, -92.0198): ≈ 4 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 Seattle to Lafayette: November 2026, from €275 (checked 23 Oct 2026).

Lowest fare by departure month
Month	Lowest fare	Priced days
October 2026	€433	3
November 2026	€275	15
December 2026	€276	14
January 2027	€332	10

Lowest fare by day of the week

Cheapest day of the week from Seattle to Lafayette: Tuesday, from €275 (checked 23 Oct 2026).

Lowest fare by day of the week
Day	Lowest fare	Priced days
Monday	€383	5
Tuesday	€275	7
Wednesday	€356	7
Thursday	€276	5
Friday	€383	4
Saturday	€383	9
Sunday	€332	5

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 Lafayette by days until departure (8 to 30 days): €275 (checked 23 Oct 2026).

Lowest fare by days before departure
Days before departure	Lowest fare	Priced days
0 to 7 days	€400	8
8 to 30 days	€275	10
31 to 60 days	€276	13
61 days or more	€332	11

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.

Frequently asked

How much is a flight from Seattle to Lafayette?

The lowest fare Routavio has observed is €275, found on 23 Oct 2026. Prices move, so read it as a floor rather than a quote.

When is the cheapest month to fly from Seattle to Lafayette?

Cheapest month from Seattle to Lafayette: November 2026, from €275 (checked 23 Oct 2026).

Are there direct flights from Seattle to Lafayette?

Our data holds no non-stop flight from Seattle to Lafayette. The fares on this page include at least one stop.

Which airlines fly from Seattle to Lafayette?

Routavio has seen these carriers on the route: American Airlines, Delta Air Lines, Porter Airlines Canada, United Airlines.

How long does the flight from Seattle to Lafayette take?

Across the 59 fares Routavio observed, the average journey time is 10h 51m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.

How many of the observed Seattle to Lafayette fares were non-stop?

None of the 59 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.

Which day of the week is cheapest from Seattle to Lafayette?

Cheapest day of the week from Seattle to Lafayette: Tuesday, from €275 (checked 23 Oct 2026).

How observed prices work, what "No data" means and what a fare includes: Read the flight price guide