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Cheap SWISS flights

LHR
19 Dec — 26 Dec1
1 adult
1 adult, Economy, 0 bags

SWISS information

Discover detailed information about SWISS flights, including average fare prices, reviews, and more. Flight info is based on data from user searches last updated on 19 November 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches.

Cheapest Route

£74

Most Popular Route

ZRH to BCN

Shortest flight

1h 15m

Longest Flight

23h 20m
Flying from London Heathrow to Geneva Geneve-Cointrin
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Flying from Zurich to Barcelona-El Prat
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Flying from Brussels Bruxelles-National to Geneva Geneve-Cointrin
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Flying from Dublin to Krakow J. Paul II Balice
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Cheapest SWISS flights
Explore the most affordable SWISS flight options available. Find the lowest fares based on data from user searches, with prices last updated on 19 November 2025.

Wed 1/421:40BOS - LHR
2 stops29h 35mSWISS
Sat 4/406:00LHR - BOS
1 stop14h 30mSWISS
Deal found £387
Tue 24/322:50BOS - LHR
1 stop10h 10mSWISS
Wed 1/413:45LHR - BOS
1 stop11h 10mSWISS
Deal found £389
Mon 1/1222:10BOS - LGW
1 stop14h 40mSWISS
Fri 5/1218:40LGW - BOS
1 stop30h 20mSWISS
Deal found £389

SWISS Reviews

Read reviews and feedback from other travellers about their experiences with SWISS sourced from user searches. These reviews were last updated on 19 November 2025 and provide insights based on users' experiences. In the last 7 days, Cheapflights users made a total of 858,174 searches.
SWISS
7.5
Good
1,788 reviews
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Overview

Boarding

7.7

Comfort

7.4

Crew

8.2

Entertainment

6.8

Food

7.1

Frequently asked questions about SWISS

  • What are the most popular SWISS airports?

    The most popular airports for SWISS are Zurich, Geneva Geneve-Cointrin, and Berlin Brandenburg according to our data. Flights to or from any of these airports should be available via SWISS year-round.

  • What is SWISS’s cheapest international flight?

    The least expensive round-trip international SWISS flight is: -London Heathrow to Geneva Geneve-Cointrin, -0 stops, -£74 per ticket SWISS has international one-way flights available, but the cheapest is a flight from Brussels Bruxelles-National to Geneva Geneve-Cointrin for just £48. This flight has 0 stops.

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