Route Month Radar
CPHtoSEASeptember 2026

Cheap flights from Copenhagen to Seattle in September 2026

September 2026 is trading near the usual range on this route. The week guide below is the fastest way to find the cleaner departure windows.

9 live fares6 direct optionsNear typicalUpdated 3d ago

Lowest fare

€489

Typical fare

€520

Current signal

Near typical

High fare

€1,227

Destination view

September 2026 fares to Seattle from Copenhagen.

Lowest live fare: €489Typical month range: €520Best opening week: Still forming

Week by week

Which week looks strongest in September 2026?

Start with the strongest week, then compare the live fares below. This keeps the page focused on one question: when does this route usually open best inside September 2026?

Week breakdown is still forming for this month.

Live fares now

Bookable fares for September 2026

Open a live fare first if you are ready to book. These cards keep the month page tied to real inventory, not filler copy.

Icelandair

€490

2 Sept → 14 Sept

1 stop12h 45m outboundNear typical

Updated 3d ago

Finnair

€503

4 Sept → 11 Sept

1 stop12h 35m outboundNear typical

Updated 110d ago

Finnair

€503

4 Sept → 19 Sept

1 stop12h 35m outboundNear typical

Updated 110d ago

Finnair

€508

4 Sept → 19 Sept

1 stop12h 35m outboundNear typical

Updated 110d ago

Scandinavian Airlines

€1,241

4 Sept → 9 Sept

Direct9h 40m outbound145% above typical

Updated 110d ago

Scandinavian Airlines

€493

4 Sept → 13 Sept

Direct9h 40m outboundNear typical

Updated 110d ago

Search intent answers

Quick answers for September 2026

Is September 2026 a good time to fly from Copenhagen to Seattle?

Yes. Current fares in September 2026 are running 6% below the usual range on this route.

Which week looks cheapest in September 2026?

The month is still filling in, so no single week is clearly ahead yet.

Are direct flights available on this route in September 2026?

Yes. We currently see 6 direct fares in this month window.

Fresh price radar

Fare Drop from Denmark to Seattle

Current fare is 479 EUR, which is 14% below the typical fare of 560 EUR. This is a good opportunity for upcoming travel dates.

Updated 52d ago