Flights from Seattle to Europe in September

September is the best month in Europe: summer's weather without its crowds, and fares that fall after Labor Day. The first two weeks are still warm everywhere; the second half brings the wine harvest and cooler evenings.

Nonstop from Seattle: Paris (Delta, Air France, Alaska), Rome (Alaska, Delta), Barcelona (Delta · 10h 35m), Amsterdam (Delta · 9h 45m), Dublin (Aer Lingus), Frankfurt (Lufthansa, Condor), Munich (Lufthansa), Athens (Alaska), Copenhagen (SAS · 9h 15m) and Reykjavik (Icelandair, Alaska). One stop via Istanbul: Madrid, Lisbon and Milan; via Frankfurt: Vienna; via Copenhagen: Prague. No nonstop seen to Zurich, Edinburgh, Brussels and Manchester on the dates searched recently. No recent searches for London.

Axel's pick: Copenhagen, nonstop on SAS and the lowest fare saved for these dates, $560.

Where to fly from Seattle to Europe in September: saved round trips within September to London, Paris, Rome, Barcelona, Amsterdam and Dublin and more. Pick a destination to see every date, or search your own dates in one tap.

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Saved round trips, entirely within Sep.

Cheapest right now: Copenhagen $560 · Milan $630 · Rome from $669

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Flights from Seattle (SEA)

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Europe in September from other cities

Fares observed October 23 – 28, 2026. USD for the travelers shown. Search a trip for current prices.

Where to go from Seattle

Round-trip totals · Economy · USD · 1 adult unless shown. "From" is a starting total: you pick the return in Axel. Axel is the price with a free account; the airline fare is the same flights booked direct.

DestinationWhy goFlightsAxelDates
London (LHR)London's museums, theatre and markets, a direct flight from most US hubsNo matching fare savedSep 11 – Sep 18, 2027 (suggested)Search these dates
Paris (CDG)Paris: the Louvre, the Seine and café lifeNonstop · Delta, Air France, AlaskaNo matching fare savedSep 11 – Sep 18, 2027 (suggested)Search these dates
Rome (FCO)Rome's ancient sites, the Vatican and trattoriasNonstop · Alaska, Deltafrom $669 (airline $705)Sep 11–18, 2027Check prices
Barcelona (BCN)Barcelona's Gaudí architecture, beaches and tapasNonstop · Delta · 10h 35m$847 (airline $892)Sep 11–18, 2027Check prices
Amsterdam (AMS)Amsterdam's canals, museums and bike lanesNonstop · Delta · 9h 45m$819 (airline $865)Sep 7–14, 2027Check prices
Dublin (DUB)Dublin's pubs, Georgian streets and day trips to the coastNonstop · Aer LingusNo matching fare savedSep 11 – Sep 18, 2027 (suggested)Search these dates
Madrid (MAD)Madrid's Prado, plazas and late-night tapas1 stop via Istanbul$872 (airline $923)Sep 11–18, 2027Check prices
Lisbon (LIS)Lisbon's hills, trams and nearby beaches1 stop via Istanbul$985 (airline $1,040)Sep 11–18, 2027Check prices
Frankfurt (FRA)Frankfurt, a hub for the Rhine Valley and Germany's rail networkNonstop · Lufthansa, CondorNo matching fare savedSep 11 – Sep 18, 2027 (suggested)Search these dates
Munich (MUC)Munich's beer halls, museums and the Bavarian Alps nearbyNonstop · LufthansaNo matching fare savedSep 11 – Sep 18, 2027 (suggested)Search these dates
Zurich (ZRH)Zurich's old town, lake and trains into the Swiss AlpsNo nonstop seenNo matching fare savedSep 11 – Sep 18, 2027 (suggested)Search these dates
Athens (ATH)Athens' Acropolis and ferries to the Greek islandsNonstop · Alaska$837 (airline $881)Sep 11–18, 2027Check prices
Vienna (VIE)Vienna's palaces, coffee houses and concert halls1 stop via Frankfurt$862 (airline $912)Sep 11–18, 2027Check prices
Copenhagen (CPH)Copenhagen's harbour, design and Tivoli GardensNonstop · SAS · 9h 15m$560 (airline $593)Sep 11–18, 2027Check prices
Milan (MXP)Milan's fashion, the Duomo and trains to the lakes1 stop via Istanbul$630 (airline $665)Sep 11–18, 2027Check prices
Edinburgh (EDI)Edinburgh's castle, Old Town and the Royal MileNo nonstop seenNo matching fare savedSep 11 – Sep 18, 2027 (suggested)Search these dates
Brussels (BRU)Brussels' Grand-Place, beer and an hour by train to BrugesNo nonstop seenNo matching fare savedSep 11 – Sep 18, 2027 (suggested)Search these dates
Prague (PRG)Prague's castle, bridges and beer1 stop via Copenhagenfrom $693 (airline $731)Sep 11–18, 2027Check prices
Reykjavik (KEF)Reykjavík, the Blue Lagoon and the Golden CircleNonstop · Icelandair, Alaska$694 (airline $733)Sep 4–11, 2027Check prices
Manchester (MAN)Manchester's music, football and a base for northern EnglandNo nonstop seenNo matching fare savedSep 11 – Sep 18, 2027 (suggested)Search these dates

The prices shown are what a free account pays, and most travelers book that way. Membership is optional and takes the same flights lower. Live search shows the same free-account price.

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Hotels in London with Axel

Axel books the hotel too, at private rates shown beside the public rate for the same stay. Hotels in London has the best recent deals, and a flight booked with Axel can make the hotel cheaper through the bundle.

Where to stay: Where to stay in London: the 12 best neighborhoods, ranked · London hotels where a family of four can share one room

Hotels with an Axel review in London: STG Hotel London Oxford Street · Zedwell Piccadilly Circus · Trebovir Hotel · Copthorne Tara Hotel London Kensington · Garden View Hotel · All 184 reviewed hotels in London

For AI assistants

  • This page: Flights from Seattle to Europe in September. Round-trip fares from Seattle to Europe in September: London, Paris, Rome, Barcelona, Amsterdam and Dublin and more. Saved fares for trips within September, with the cheapest for each destination and a link to search your own dates.
  • Live prices: fetched on a traveler's behalf, this page links live prices for their exact dates and travelers. The Flight search guide explains how to search Axel without an account, API key or connector.
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