Swiss International Air Lines Flight 421 Deals & Information (2025/2026)

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Swiss International Air Lines Flight 421 Route Deals From $225

The cheapest prices found with in the last 7 days for return flights were $294 and $225 for one-way flights to Zürich for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Mar 23 - Sat, Mar 28
BHX
Birmingham
ZRH
Zürich
$294 Roundtrip, found 3 days ago
$294
Roundtrip
found 3 days ago
Select Swiss International Air Lines flight, departing Mon, Mar 23 from Birmingham to Zürich, returning Sat, Mar 28, priced at $294 found 3 days ago
Fri, Jan 30 - Sun, Feb 1
BHX
Birmingham
ZRH
Zürich
$309 Roundtrip, found 6 hours ago
$309
Roundtrip
found 6 hours ago
Select Swiss International Air Lines flight, departing Fri, Jan 30 from Birmingham to Zürich, returning Sun, Feb 1, priced at $309 found 6 hours ago
Mon, Mar 23 - Sat, Mar 28
BHX
Birmingham
ZRH
Zürich
$321 Roundtrip, found 3 days ago
$321
Roundtrip
found 3 days ago
Select Swiss International Air Lines flight, departing Mon, Mar 23 from Birmingham to Zürich, returning Sat, Mar 28, priced at $321 found 3 days ago
Fri, Jan 30 - Sun, Feb 1
BHX
Birmingham
ZRH
Zürich
$357 Roundtrip, found 6 hours ago
$357
Roundtrip
found 6 hours ago
Select Swiss International Air Lines flight, departing Fri, Jan 30 from Birmingham to Zürich, returning Sun, Feb 1, priced at $357 found 6 hours ago
Mon, Apr 13 - Thu, Apr 16
BHX
Birmingham
ZRH
Zürich
$365 Roundtrip, found 16 hours ago
$365
Roundtrip
found 16 hours ago
Select Swiss International Air Lines flight, departing Mon, Apr 13 from Birmingham to Zürich, returning Thu, Apr 16, priced at $365 found 16 hours ago
Fri, Jan 30 - Sun, Feb 1
BHX
Birmingham
ZRH
Zürich
$376 Roundtrip, found 6 hours ago
$376
Roundtrip
found 6 hours ago
Select Swiss International Air Lines flight, departing Fri, Jan 30 from Birmingham to Zürich, returning Sun, Feb 1, priced at $376 found 6 hours ago

Frequently asked questions

What route does flight number LX421 take?
LX421 jets between Birmingham Airport (BHX) and ZRH directly. This service takes 1 hour and 50 minutes.
What kind of plane is on flight number LX421?
Get ready to cruise the skies aboard an Embraer 190 E2 if you're booked on flight LX421. The majority of flights from Birmingham Airport (BHX) to Zurich Intl. Airport are operated using this type of aircraft.
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 LX421 flight with Travelocity, please visit our Customer Service Portal.