Cheap flights from Seattle to Zurich

1 adult
Sat 11/12
Sat 18/12

How to find the cheapest flight from Seattle to Zurich

All the information you need to plan the best SEA to ZRH flight in 2021: compare Seattle to Zurich flight prices with the expected peak season, weather and rainfall in Zurich.



C$ 583 - C$ 1,052



0 - 19 °C



63 - 128 mm

Popular in


High demand for flights, 29% potential price rise

Cheapest in


Best time to find cheap flights, 22% potential price drop

Average price

C$ 1,318

Average for round-trip flights in December 2021

Round-trip from

C$ 748

From Seattle/Tacoma Intl to Zurich

What is the cheapest day to fly round-trip from Seattle to Zurich?

Users have found that leaving on a Friday can be a cost-effective option. It’s possible to save up to 73% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from Seattle to Zurich?

Travellers have found it’s best to book a flight 38 days in advance to save up to 39% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 38 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Seattle to Zurich 1-2 weeks in advance for as low as C$ 994, or C$ 1,254 for flights within the next 24 hours.

When is the cheapest time to fly from Seattle to Zurich (SEA - ZRH)?

A simple way to save on the total cost of your ticket is to fly from Seattle to Zurich in the evening. If you’re flexible enough to do this you can expect to save up to 20% on your trip compared to booking a flight in the afternoon.

Related info for your journey

Useful info, stats and facts about Seattle to Zurich flights.

What are the most popular airlines that fly from Seattle to Zurich?

The most popular airlines flying from Seattle to Zurich are American Airlines, British Airways and Delta. Something to consider prior to booking your flight.

Can I fly to Zurich from Seattle/Tacoma Intl right now?

Information is based on travel restrictions from Seattle/Tacoma Intl to Zurich

Most visitors from Seattle/Tacoma Intl need to provide a negative COVID-19 test result and/or quarantine to enter Zurich.

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 for RT-PCR (NAAT) and 48 Antigen (quick-test) hours before departing to Zurich.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Zurich.

Entry Form - Travelers, including those in transit, must fill up an entry form before entering Switzerland. The form can be completed 48 hours before entry at the earliest. Children can be included in the form of an adult traveling with them.

Health Pass For Public Activity - Travelers aged 16 years and older must have proof of vaccination, recovery, or a negative test for COVID-19 in order to enter events, festivals, bars, restaurants, museums, and other venues and activities in Switzerland.

If you have been vaccinated, you can either show a Swiss COVID Certificate, EU Digital COVID Certificate, or a certificate that is compatible with the EU Digital Covid Certificate.

Travelers who have been vaccinated abroad with a vaccine approved by the European Medicines Agency (EMA) and who are resident in or traveling to Switzerland are able to obtain a Swiss COVID certificate. This means that travelers who have been vaccinated abroad or have recovered abroad, such as tourists, can also participate in social activities in Switzerland. The documents can be submitted electronically. Currently, only the certificates of countries using the EU Digital COVID Certificate are compatible with the Swiss system.

You will be issued with the COVID certificate on the application on paper or as a PDF document with a QR code. With the COVID Certificate app, you can host your COVID certificate on your mobile device.

If you are unvaccinated, you must have a test, and if the result is negative you can then be issued with a COVID certificate.

Can I fly back to Seattle/Tacoma Intl from Zurich?

Returning to Seattle/Tacoma Intl from Zurich

COVID-19 testing requirements
Visitors from Zurich must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Seattle/Tacoma Intl.

Quarantine requirements
Visitors from Zurich are not required to quarantine after entering Seattle/Tacoma Intl.

Top 4 airlines flying from Seattle to Zurich

The chart below displays the airlines Cheapflights users travelling from Seattle to Zurich choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
United Airlines
CheapestC$ 426
AverageC$ 557
FlexibilityNo cancel fee
COVID-19 safety
British Airways
CheapestC$ 464
AverageC$ 677
FlexibilityNo cancel fee
COVID-19 safety
CheapestC$ 542
AverageC$ 700
FlexibilityNo cancel fee
COVID-19 safety
CheapestC$ 644
AverageC$ 714
FlexibilityNo cancel fee
COVID-19 safety