Swiss International Air Lines Flight 340 Deals & Information (2026/2027)

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Swiss International Air Lines Flight 340 Route Deals From $87

The cheapest prices found with in the last 7 days for return flights were $132 and $87 for one-way flights to Heathrow for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Mar 5 - Sun, Mar 8
ZRH
Zürich
LHR
Heathrow
$132 Roundtrip, found 3 hours ago
$132
Roundtrip
found 3 hours ago
Select Swiss International Air Lines flight, departing Thu, Mar 5 from Zürich to Heathrow, returning Sun, Mar 8, priced at $132 found 3 hours ago
Tue, Mar 24 - Tue, Apr 14
ZRH
Zürich
LHR
Heathrow
$135 Roundtrip, found 2 days ago
$135
Roundtrip
found 2 days ago
Select Swiss International Air Lines flight, departing Tue, Mar 24 from Zürich to Heathrow, returning Tue, Apr 14, priced at $135 found 2 days ago
Thu, Mar 5 - Sun, Mar 8
ZRH
Zürich
LHR
Heathrow
$154 Roundtrip, found 3 hours ago
$154
Roundtrip
found 3 hours ago
Select Swiss International Air Lines flight, departing Thu, Mar 5 from Zürich to Heathrow, returning Sun, Mar 8, priced at $154 found 3 hours ago
Mon, Jan 19 - Sat, Jan 24
ZRH
Zürich
LHR
Heathrow
$155 Roundtrip, found 3 days ago
$155
Roundtrip
found 3 days ago
Select Swiss International Air Lines flight, departing Mon, Jan 19 from Zürich to Heathrow, returning Sat, Jan 24, priced at $155 found 3 days ago
Mon, Jan 12 - Mon, Jan 19
ZRH
Zürich
LHR
Heathrow
$156 Roundtrip, found 3 days ago
$156
Roundtrip
found 3 days ago
Select Swiss International Air Lines flight, departing Mon, Jan 12 from Zürich to Heathrow, returning Mon, Jan 19, priced at $156 found 3 days ago
Tue, Jun 30 - Tue, Jul 7
ZRH
Zürich
LHR
Heathrow
$157 Roundtrip, found 2 days ago
$157
Roundtrip
found 2 days ago
Select Swiss International Air Lines flight, departing Tue, Jun 30 from Zürich to Heathrow, returning Tue, Jul 7, priced at $157 found 2 days ago
Tue, Mar 24 - Tue, Apr 14
ZRH
Zürich
LHR
Heathrow
$165 Roundtrip, found 2 days ago
$165
Roundtrip
found 2 days ago
Select Swiss International Air Lines flight, departing Tue, Mar 24 from Zürich to Heathrow, returning Tue, Apr 14, priced at $165 found 2 days ago
Thu, Mar 5 - Sun, Mar 8
ZRH
Zürich
LHR
Heathrow
$166 Roundtrip, found 3 hours ago
$166
Roundtrip
found 3 hours ago
Select Swiss International Air Lines flight, departing Thu, Mar 5 from Zürich to Heathrow, returning Sun, Mar 8, priced at $166 found 3 hours ago
Tue, Mar 24 - Tue, Apr 14
ZRH
Zürich
LHR
Heathrow
$169 Roundtrip, found 2 days ago
$169
Roundtrip
found 2 days ago
Select Swiss International Air Lines flight, departing Tue, Mar 24 from Zürich to Heathrow, returning Tue, Apr 14, priced at $169 found 2 days ago
Thu, Feb 12 - Sat, Feb 21
ZRH
Zürich
LHR
Heathrow
$176 Roundtrip, found 4 hours ago
$176
Roundtrip
found 4 hours ago
Select Swiss International Air Lines flight, departing Thu, Feb 12 from Zürich to Heathrow, returning Sat, Feb 21, priced at $176 found 4 hours ago
Mon, Jan 19 - Thu, Jan 22
ZRH
Zürich
LHR
Heathrow
$177 Roundtrip, found 2 days ago
$177
Roundtrip
found 2 days ago
Select Swiss International Air Lines flight, departing Mon, Jan 19 from Zürich to Heathrow, returning Thu, Jan 22, priced at $177 found 2 days ago
Sun, Jun 7 - Thu, Jun 11
ZRH
Zürich
LHR
Heathrow
$180 Roundtrip, found 3 days ago
$180
Roundtrip
found 3 days ago
Select Swiss International Air Lines flight, departing Sun, Jun 7 from Zürich to Heathrow, returning Thu, Jun 11, priced at $180 found 3 days ago
Mon, Mar 2 - Fri, Mar 6
ZRH
Zürich
LHR
Heathrow
$185 Roundtrip, found 4 days ago
$185
Roundtrip
found 4 days ago
Select Swiss International Air Lines flight, departing Mon, Mar 2 from Zürich to Heathrow, returning Fri, Mar 6, priced at $185 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.