Which airports can I use when flying from Seattle to Basel EuroAirport Swiss?

Flights from Seattle to Basel EuroAirport Swiss usually depart from Seattle/Tacoma Intl (SEA) and arrive at Basel EuroAirport Swiss (BSL).

What cabin classes can I book on flights from Seattle to Basel EuroAirport Swiss?

Two cabin classes are available on flights from Seattle to Basel EuroAirport Swiss: • Economy Class • Business Class

Which airports do connecting flights from Seattle to Basel EuroAirport Swiss pass through?

One-stop flights from Seattle to Basel EuroAirport Swiss most commonly connect through: • Amsterdam Schiphol (AMS) - 43% of one-stop connections • London Heathrow (LHR) - 37% of one-stop connections • Munich Franz Josef Strauss (MUC) - 13% of one-stop connections • Frankfurt am Main (FRA) - 7% of one-stop connections

Can I save money by using flexible dates for flights from Seattle to Basel EuroAirport Swiss?

Yes. Flexible dates can save you up to 58% on flights from Seattle to Basel EuroAirport Swiss. Saturday is the cheapest departure day at $492 round-trip on average, while Wednesday is the most expensive at $1,156, a difference of $664. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

How long is a flight from Seattle to Basel EuroAirport Swiss?

A nonstop flight from Seattle to Basel EuroAirport Swiss takes 00m, covering 5,207 miles.

Do I need a passport to fly from Seattle to Basel EuroAirport Swiss?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

How are flight prices from Seattle to Basel EuroAirport Swiss looking right now?

One-way fares from Seattle to Basel EuroAirport Swiss are currently higher than usual. Average one-way flight prices are about $634, which is 11% above the typical average for this route.

How much time can I save by choosing a different layover airport from Seattle to Basel EuroAirport Swiss?

Flying via Frankfurt am Main (FRA) gives the shortest average 1-stop total travel time at 13h 36m, compared with 14h 39m via Munich Franz Josef Strauss (MUC) and 15h 01m via London Heathrow (LHR).

What is the time difference between Seattle and Basel EuroAirport Swiss?

Basel EuroAirport Swiss is 8 hours ahead of Seattle (Central European Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Basel EuroAirport Swiss (BSL)?

Basel EuroAirport Swiss (BSL) hosts 5 major car rental companies, with daily rates starting from around $23 for economy cars. Top options include: • Alamo • Hertz • Europcar • Budget • Dollar

How much should I expect to pay for a Seattle to Basel EuroAirport Swiss flight?

Round-trip flights from Seattle to Basel EuroAirport Swiss range from $588 to $1,192, with an average of $793 over the past 12 months. Anything below $588 counts as a good deal.

Which airline is the cheapest to fly from Seattle to Basel EuroAirport Swiss?

Turkish Airlines ($706) and United Airlines ($727) are the cheapest airlines to fly round-trip from Seattle to Basel EuroAirport Swiss according to KAYAK data over the last 5 days.

What’s the most popular layover airport when flying from Seattle to Basel EuroAirport Swiss?

Amsterdam Schiphol (AMS) is the most popular layover for the Seattle to Basel EuroAirport Swiss route. 43% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via AMS.

What is the cheapest layover airport when flying from Seattle to Basel EuroAirport Swiss?

Flights via Munich Franz Josef Strauss (MUC) offer the most affordable fares, with an average round-trip price of $498. Based on KAYAK data over the past 3 months.

When flying from Seattle to Basel EuroAirport Swiss which airport offers the shortest layover?

Frankfurt am Main (FRA) had the shortest average connection time for Seattle to Basel EuroAirport Swiss layovers at 8h 16m over the past 3 months.

$318 CHEAP FLIGHTS from Seattle to Basel (SEA - BSL)

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Cheapest round-trip

$703

Typical prices: $588-$1,192

Air Canada, Lufthansa

Tue 4/24Sun 5/6

SEA - BSL • 2 stops

Cheapest one-way

$318

Typical prices: $460-$859

Multiple Airlines

Sat 11/17

SEA - BSL • 2 stops

Nonstop flights

Not available

There are currently no direct flights between Seattle and Basel EuroAirport Swiss. You'll need to take a connecting flight to reach the destination.

Insights

When to travel

February

Cheapest • 39% price drop

December

Most popular

Good to know

Top layover airports

Munich Franz Josef Strauss (MUC)

Cheapest • Avg $498 (round-trip)

Frankfurt am Main (FRA)

Shortest trip • 13h 36m (one-way)

Insights

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We hope you love your trip to Basel EuroAirport Swiss!

Flight Deals

Cheap Flights from Seattle to Basel (SEA-BSL)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Seattle to Basel

Sat, Apr 24 - Thu, May 6

7:05 pm - 2:00 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

33h 55m2 stops Vancouver Intl Frankfurt am Main

6:30 am - 12:20 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

14h 50m1 stop Frankfurt am Main

$703Multiple Airlines

Mon, Nov 16 - Wed, Dec 2

7:05 pm - 5:15 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

37h 10m1 stop Istanbul

6:25 pm - 5:10 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

31h 45m1 stop Istanbul

$706Turkish Airlines

Sun, Jan 24 - Sat, Feb 6

7:05 pm - 9:50 amSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

29h 45m1 stop Istanbul

6:25 pm - 5:10 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

31h 45m1 stop Istanbul

$721Turkish Airlines

Mon, Feb 1 - Sat, Feb 6

7:05 pm - 5:30 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

37h 25m1 stop Istanbul

10:45 am - 5:10 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

39h 25m1 stop Istanbul

$721Turkish Airlines

Sat, Apr 24 - Thu, May 6

10:45 pm - 12:25 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

28h 40m2 stops Newark Munich Franz Josef Strauss

2:40 pm - 12:33 amBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

18h 53m2 stops Frankfurt am Main San Francisco

$727United Airlines

Mon, Dec 7 - Mon, Dec 14

7:05 pm - 5:30 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

37h 25m1 stop Istanbul

6:25 pm - 5:10 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

31h 45m1 stop Istanbul

$745Turkish Airlines

Sat, Apr 24 - Thu, May 6

8:20 pm - 6:25 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

13h 05m1 stop London Heathrow

8:20 pm - 11:35 amBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

24h 15m1 stop London Heathrow

$750British Airways

Sun, Jan 24 - Sat, Feb 6

7:31 am - 10:00 amSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

17h 29m2 stops New York John F Kennedy Intl Paris Charles de Gaulle

6:00 am - 11:47 amBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

14h 47m1 stop Amsterdam Schiphol

$775Delta

Mon, Feb 1 - Sat, Feb 6

9:45 am - 1:55 pmSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

19h 10m2 stops San Francisco Paris Charles de Gaulle

6:00 am - 11:47 amBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

14h 47m1 stop Amsterdam Schiphol

$775Delta

Sun, Nov 15 - Thu, Nov 19

7:05 pm - 9:50 amSEA Seattle/Tacoma Intl-BSL Basel EuroAirport Swiss

29h 45m1 stop Istanbul

10:45 am - 5:10 pmBSL Basel EuroAirport Swiss-SEA Seattle/Tacoma Intl

39h 25m1 stop Istanbul

$777Turkish Airlines

Booking Insights

Price, demand and travel trends for Seattle to Basel EuroAirport Swiss flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Airlines

Layovers

Which airline is the cheapest to fly from Seattle to Basel EuroAirport Swiss?: Turkish Airlines ($706) and United Airlines ($727) are the cheapest airlines to fly round-trip from Seattle to Basel EuroAirport Swiss according to KAYAK data over the last 5 days.

Find deals

Low season	May
High season	December
Cheapest flight	$318

Beat the crowds with an average 80% drop in travelers.

The most popular month to fly with an average 70% increase in travelers.

One-way flight from Seattle to Basel EuroAirport Swiss

When to book flights from Seattle to Basel

Are your dates flexible? Find out the best times to travel from Seattle to Basel based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from Seattle to Basel EuroAirport Swiss?
Two cabin classes are available on flights from Seattle to Basel EuroAirport Swiss:

• Economy Class
• Business Class
How long is a flight from Seattle to Basel EuroAirport Swiss?
A nonstop flight from Seattle to Basel EuroAirport Swiss takes 00m, covering 5,207 miles.
Do I need a passport to fly from Seattle to Basel EuroAirport Swiss?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
How much should I expect to pay for a Seattle to Basel EuroAirport Swiss flight?
Round-trip flights from Seattle to Basel EuroAirport Swiss range from $588 to $1,192, with an average of $793 over the past 12 months. Anything below $588 counts as a good deal.
How are flight prices from Seattle to Basel EuroAirport Swiss looking right now?
One-way fares from Seattle to Basel EuroAirport Swiss are currently higher than usual. Average one-way flight prices are about $634, which is 11% above the typical average for this route.
What car rental options are available at Basel EuroAirport Swiss (BSL)?
Basel EuroAirport Swiss (BSL) hosts 5 major car rental companies, with daily rates starting from around $23 for economy cars. Top options include:

• Alamo
• Hertz
• Europcar
• Budget
• Dollar
Which airports can I use when flying from Seattle to Basel EuroAirport Swiss?
Flights from Seattle to Basel EuroAirport Swiss usually depart from Seattle/Tacoma Intl (SEA) and arrive at Basel EuroAirport Swiss (BSL).
Which airports do connecting flights from Seattle to Basel EuroAirport Swiss pass through?
One-stop flights from Seattle to Basel EuroAirport Swiss most commonly connect through:

• Amsterdam Schiphol (AMS) - 43% of one-stop connections
• London Heathrow (LHR) - 37% of one-stop connections
• Munich Franz Josef Strauss (MUC) - 13% of one-stop connections
• Frankfurt am Main (FRA) - 7% of one-stop connections
Can I save money by using flexible dates for flights from Seattle to Basel EuroAirport Swiss?
Yes. Flexible dates can save you up to 58% on flights from Seattle to Basel EuroAirport Swiss. Saturday is the cheapest departure day at $492 round-trip on average, while Wednesday is the most expensive at $1,156, a difference of $664.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
How much time can I save by choosing a different layover airport from Seattle to Basel EuroAirport Swiss?
Flying via Frankfurt am Main (FRA) gives the shortest average 1-stop total travel time at 13h 36m, compared with 14h 39m via Munich Franz Josef Strauss (MUC) and 15h 01m via London Heathrow (LHR).
What is the time difference between Seattle and Basel EuroAirport Swiss?
Basel EuroAirport Swiss is 8 hours ahead of Seattle (Central European Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

If your dates are flexible, aim for a Saturday departure and avoid flying on Wednesday. On this route, Saturday flights average $492, about $664 less than Wednesday fares (57% savings) based on the last 12 months.
If you can choose when to travel, plan your Seattle to Basel EuroAirport Swiss trip for February. Fares historically average $485 round-trip in that month - typically $1,574 less than the most expensive month, which is October (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Basel EuroAirport Swiss.

• Airport Hotel Basel

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Everything you should know

Cheap Flights from Seattle to Basel (SEA-BSL)

Recent round-trip flight deals from Seattle to Basel

Recent one-way flight deals from Seattle to Basel

Price, demand and travel trends for Seattle to Basel EuroAirport Swiss flights

Which airline is the cheapest to fly from Seattle to Basel EuroAirport Swiss?

What’s the most popular layover airport when flying from Seattle to Basel EuroAirport Swiss?

What is the cheapest layover airport when flying from Seattle to Basel EuroAirport Swiss?

When flying from Seattle to Basel EuroAirport Swiss which airport offers the shortest layover?

Key details for Seattle to Basel EuroAirport Swiss flights

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When to book flights from Seattle to Basel

Your Seattle to Basel EuroAirport Swiss flight questions, answered

Your guide to booking Seattle to Basel EuroAirport Swiss flights

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