Swiss International Air Lines Flight BA340 Deals & Information (2025/2026)

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Swiss International Air Lines Flight 340 Route Deals From $119

The cheapest prices found with in the last 7 days for return flights were $132 and $119 for one-way flights to Heathrow for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Aug 6 - Wed, Aug 13
ZRH
Zürich
LHR
Heathrow
$132 Roundtrip, found 1 hour ago
$132
Roundtrip
found 1 hour ago
Select Swiss International Air Lines flight, departing Wed, Aug 6 from Zürich to Heathrow, returning Wed, Aug 13, priced at $132 found 1 hour ago
Sun, Oct 26 - Sat, Nov 1
ZRH
Zürich
LHR
Heathrow
$134 Roundtrip, found 2 days ago
$134
Roundtrip
found 2 days ago
Select Swiss International Air Lines flight, departing Sun, Oct 26 from Zürich to Heathrow, returning Sat, Nov 1, priced at $134 found 2 days ago
Thu, Sep 11 - Mon, Sep 15
ZRH
Zürich
LHR
Heathrow
$163 Roundtrip, just found
$163
Roundtrip
just found
Select Swiss International Air Lines flight, departing Thu, Sep 11 from Zürich to Heathrow, returning Mon, Sep 15, priced at $163 just found
Wed, Sep 3 - Fri, Sep 5
ZRH
Zürich
LHR
Heathrow
$165 Roundtrip, found 13 hours ago
$165
Roundtrip
found 13 hours ago
Select Swiss International Air Lines flight, departing Wed, Sep 3 from Zürich to Heathrow, returning Fri, Sep 5, priced at $165 found 13 hours ago
Thu, Mar 12 - Fri, Mar 13
ZRH
Zürich
LHR
Heathrow
$167 Roundtrip, found 5 days ago
$167
Roundtrip
found 5 days ago
Select Swiss International Air Lines flight, departing Thu, Mar 12 from Zürich to Heathrow, returning Fri, Mar 13, priced at $167 found 5 days ago
Tue, Dec 2 - Tue, Dec 16
ZRH
Zürich
LHR
Heathrow
$173 Roundtrip, found 4 days ago
$173
Roundtrip
found 4 days ago
Select Swiss International Air Lines flight, departing Tue, Dec 2 from Zürich to Heathrow, returning Tue, Dec 16, priced at $173 found 4 days ago

Frequently asked questions

What route does flight number LX340 take?
LX340 operates non-stop from ZRH to London Airport (LHR-Heathrow). During this journey, you can expect to be in the air for roughly 1 hour and 45 minutes. Book ahead to get your preferred seat.
What kind of plane is on flight number LX340?
The route for flight number LX340 is predominantly ZRH to London Airport (LHR-Heathrow), and the Airbus A220-300 is the type of plane you'll probably be jetting off with.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your LX340 flight with Travelocity, please visit our Customer Service Portal.