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$509+ Cheap flights from Basel EuroAirport Swiss (BSL) to Seattle (SEA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
BSL — SEA
nov. 26 — dic. 31
mar. 11/26
mar. 12/3
1 adult, Economy
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Cheap flight deals from Basel to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Basel (BSL) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated noviembre 21, 2024.

Round-trip from

$509
(Expedia)
From Basel EuroAirport Swiss to Seattle/Tacoma Intl
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Find flight deals from Basel to Seattle

Cheapest flights from Basel to Seattle
Explore the most affordable flight options available from Basel to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 21, 2024.

This Expedia deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/57:35 pmBSL - SEA
1 stop24h 45mBritish Airways
lun. 12/96:50 pmSEA - BSL
1 stop14h 20mBritish Airways
Deal found 11/20$509
This American Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/511:15 amBSL - SEA
1 stop33h 05mAmerican Airlines
dom. 12/812:15 amSEA - BSL
2 stops36h 20mAmerican Airlines
Deal found 11/20$515

Find flights from Basel to Seattle within your budget

Customize your flight search to find flights from Basel to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated noviembre 21, 2024.

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Depart

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Price

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

jue. 12/5

7:35 pm-11:20 am

1 stop24h 45m

Seattle/Tacoma Intl

lun. 12/9

6:50 pm-6:10 pm

1 stop14h 20m

$509

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

jue. 12/5

11:15 am-11:20 am

1 stop33h 05m

Seattle/Tacoma Intl

lun. 12/9

7:20 am-9:35 pm

2 stops29h 15m

$513

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

jue. 4/10

6:35 am-7:04 pm

2 stops21h 29m

Seattle/Tacoma Intl

mar. 4/22

1:32 pm-6:20 pm

2 stops19h 48m

$526

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

jue. 4/10

6:20 am-4:05 pm

1 stop18h 45m

Seattle/Tacoma Intl

mar. 4/22

1:35 pm-2:05 pm

1 stop15h 30m

$537

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

dom. 2/9

2:10 pm-9:30 pm

2 stops40h 20m

Seattle/Tacoma Intl

mar. 2/18

4:58 pm-4:20 pm

3 stops38h 22m

$579

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

jue. 4/10

12:20 pm-5:45 pm

1 stop14h 25m

$530

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

jue. 4/10

6:35 am-9:24 pm

2 stops23h 49m

$666

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

mar. 12/17

9:35 am-1:20 pm

1 stop12h 45m

$701

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

dom. 12/1

6:05 pm-5:05 pm

1 stop32h 00m

$1,102

BaselSeattle

BSL - SEA

BSLSEA

Basel EuroAirport Swiss

dom. 12/1

11:15 am-11:52 am

1 stop33h 37m

$1,355

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Showing 1-10 of 12 results
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Best time to book a flight from Basel to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Basel with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Basel to Seattle

Get recent, data-driven insights about flights from Basel to Seattle including ideal travel times, pricing trends, and more.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated noviembre 21, 2024.
KLM
7.8
Good
1,350 reviews

Boarding

7.9

Comfort

7.7

Entertainment

7.2

Food

7.3

Overall

7.8

Crew

8.4

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

KLM
7.8
Good
1,350 reviews
KLM
7.8
Good
1,350 reviews

Boarding

7.9

Comfort

7.7

Entertainment

7.2

Food

7.3

Overall

7.8

Crew

8.4

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

Air France
7.4
Good
1,525 reviews
KLM
7.8
Good
1,350 reviews

Boarding

7.9

Comfort

7.7

Entertainment

7.2

Food

7.3

Overall

7.8

Crew

8.4

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

Turkish Airlines
7.4
Good
3,914 reviews
KLM
7.8
Good
1,350 reviews

Boarding

7.9

Comfort

7.7

Entertainment

7.2

Food

7.3

Overall

7.8

Crew

8.4

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

United Airlines
7.4
Good
9,172 reviews
KLM
7.8
Good
1,350 reviews

Boarding

7.9

Comfort

7.7

Entertainment

7.2

Food

7.3

Overall

7.8

Crew

8.4

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

American Airlines
7.2
Good
10,000 reviews
KLM
7.8
Good
1,350 reviews

Boarding

7.9

Comfort

7.7

Entertainment

7.2

Food

7.3

Overall

7.8

Crew

8.4

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

Related info for your journey

Find useful and relevant information for your journey from Basel to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Basel EuroAirport Swiss to Seattle round-trip?

    British Airways, at $509, was found to be the cheapest airline from Basel EuroAirport Swiss to Seattle.Alternate airlines to your destination round-trip include American Airlines and Air France.

  • What are the cheapest airlines to fly from Basel EuroAirport Swiss to Seattle one-way?

    For one-way options, check prices for British Airways. According to our data, you can fly for as low as $666. Users have also found prices from $701 and $1,102 on Lufthansa and Turkish Airlines, respectively.

  • Can I find deals for flights from Basel to Seattle that include hotel bookings?

    Yes. In addition to deals on Basel to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Basel to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Basel to Seattle.

  • Can I find deals for business class flights from Basel to Seattle?

    Yes. Cheapflights offers flight deals from Basel to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Basel EuroAirport Swiss to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Basel EuroAirport Swiss to Seattle (average of $238). Flying from Basel EuroAirport Swiss to Seattle in July is currently the most expensive (average of $411). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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