Flight prices from Seattle to Basel
Planning a trip from Seattle to Basel and looking for the best fares? On Aviasurf you can find the latest prices for any day and choose the most convenient flight.
Climate in Basel and when to travel
The warmest month in Basel is July, with an average monthly air temperature of 20.6 °C; the coldest is January at 2.8 °C. February has the lowest average monthly precipitation, 78 mm.
Fare calendar for flights from Seattle to Basel
Explore fare trends for flights Seattle — Basel with our calendar. It helps you see ticket prices for each day of any month and optimize your travel budget. The tool makes finding the best deals even easier and more convenient.
General flight information from Seattle to Basel
Straight-line distance between cities
8349 km
5188 miles
Time difference
8 hours
Basel is ahead of Seattle
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Flight schedule from Seattle to Basel
Airports for flights from Seattle to Basel
The Seattle — Basel route is served by the following airports:
Airports in Seattle
| Airport | Distance to city center | Lowest fare | Note |
|---|---|---|---|
| Seattle-Tacoma International Airport (SEA) | 18 km |
Distances are straight-line distances to the city center.
Airports in Basel
| Airport | Distance to city center | Lowest fare | Note |
|---|---|---|---|
| EuroAirport Swiss (BSL) | 22 km |
Distances are straight-line distances to the city center.
Alternative airport routes from Seattle to Basel
The same city pair is also served through these departure or arrival airports.
Frequently asked questions about flights from Seattle to Basel
Which airlines appear in available itineraries from Seattle to Basel?
Available itineraries from Seattle to Basel may include flight segments operated by KLM, Delta, Air France, American Airlines, United Airlines, Alaska Airlines, SWISS, British Airways.
How long is the flight from Seattle to Basel?
Flight time from Seattle to Basel depends on whether the route is direct or has connections. Use our flight search to see exact timings for all available options.
Are there direct flights from Seattle to Basel?
The schedule data currently available to us does not show a nonstop flight from Seattle to Basel. Other routings may be available — use our search to check options for your dates.
How much is a round-trip ticket Seattle — Basel?
Round-trip fares from Seattle to Basel can vary widely depending on season, booking time, airline, and cabin class. We recommend using our flight search for the most accurate pricing.
What are the carry-on baggage rules for flights from Seattle to Basel?
Carry-on rules for flights from Seattle to Basel vary by airline. Typically passengers can bring one carry-on bag and one personal item such as a laptop bag or handbag. Weight and size limits usually are around 7–10 kg and 55x40x20 cm. Liquids and some items have additional security rules. Always check the specific airline policy before you fly.
What are the rules for traveling with pets on flights from Seattle to Basel?
Pet transport rules vary by airline. Generally pets must be in approved carriers. Some airlines allow small pets in the cabin, while larger pets must travel in the cargo hold. Health documents and certificates are required. Please confirm all requirements with your chosen airline.
How early should I arrive at the airport for a flight from Seattle to Basel?
Arrive early — typically 2–3 hours before international flights and 1–2 hours before domestic flights. This allows time for check‑in, baggage drop, and security. Peak periods or certain destinations may require extra time.
What additional fees can occur when booking a ticket from Seattle to Basel?
Additional fees can include seat selection, extra or special baggage, onboard meals, ticket changes or cancellations, early or late check‑in, and insurance. We do not add booking fees, but extra charges depend on the airline and fare rules.
Are there discounts or promotions for flights from Seattle to Basel?
Discounts and promotions vary by airline and booking period. Many airlines run deals outside peak seasons or for early bookings. Check our site regularly for the latest offers, as availability can change quickly.
Are there night flights from Seattle to Basel?
Night flight availability from Seattle to Basel can vary by airline and season. Use our search to see current schedules and departure times.
Are there Wi‑Fi flights on the Seattle - Basel route?
Wi‑Fi availability on Seattle - Basel flights varies by airline and aircraft. Check details with specific airlines or use our search to see current options.
What are the most common transfer options on flights from Seattle to Basel?
Transfer options from Seattle to Basel vary by airline and route. Some flights are direct while others include one or more connections. Use our search for accurate options.
What onboard services are provided on Seattle - Basel flights?
Onboard services vary by airline. Typically passengers can expect entertainment, meals, and beverages, and some carriers offer Wi‑Fi or additional amenities. Check with the airline or use our search for details.
Which airports serve the Seattle - Basel route?
The Seattle - Basel route is usually served by these departure airports: Seattle-Tacoma International Airport. Arrival is usually through these airports: EuroAirport Swiss. Exact airport combinations depend on the airline and selected flight. Use our search for details.
What aircraft fly the Seattle - Basel route?
Aircraft types on the Seattle - Basel route vary by airline. Carriers may use narrow‑body or wide‑body aircraft depending on the flight. Check with the airline or use our search for details.
Which connecting cities are common on the Seattle - Basel route?
Connecting cities on the Seattle - Basel route can vary by airline and schedule. Many major hubs may be used. Use our search or check with airlines for current options.
