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Cheap flights from Seattle (SEA) to Basel (EAP) from $454

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/27. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SEA — EAP
May 13 — May 201
From?
To?
Mon 5/13
Mon 5/20
1 adult, Economy
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Cheap flight deals from Seattle to Basel

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Basel (EAP). 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 May 8, 2024.

Popular in

June

Cheapest in

November

Average price

$1,509

Round-trip from

$558
High demand for flights, 43% potential price rise
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Best time to find cheap flights, 40% potential price drop
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Average for round-trip flights in May 2024
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From Seattle/Tacoma Intl to Basel (EAP)
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What is the cheapest day to fly round-trip from Seattle to Basel?

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

What is the cheapest month to fly from Seattle to Basel?

Our data shows that November tends to be the cheapest month to fly to Basel from Seattle. Users have commonly found prices around $876 for the month, but tickets can be as low as $494. Due to multiple factors, prepare for potentially higher prices in June.

When is the cheapest time to fly from Seattle to Basel (SEA - EAP)?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 28% on flights from Seattle to Basel by exploring options for tickets in the evening.

Cheap British Airways flights from Seattle to Basel

Explore cheap flight options specifically provided by British Airways for the route between Seattle and Basel. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
Consider these cheap British Airways flights we've found departing from Seattle to Basel. Be sure to come back soon if the deals available don't appeal to you at this time.
Sun 8/47:40 pmSEA - BSL
1 stop18h 15mBritish Airways
Thu 8/226:35 amBSL - SEA
1 stop13h 55mBritish Airways
Deal found 5/7$604
Thu 8/17:40 pmSEA - BSL
1 stop14h 15mBritish Airways
Thu 8/86:35 amBSL - SEA
1 stop13h 55mBritish Airways
Deal found 5/8$920
Thu 7/181:30 pmSEA - BSL
1 stop12h 25mBritish Airways
Thu 7/256:35 amBSL - SEA
2 stops22h 13mBritish Airways
Deal found 5/7$958
Thu 7/186:00 amSEA - BSL
2 stops31h 55mBritish Airways
Thu 7/256:35 amBSL - SEA
2 stops22h 13mBritish Airways
Deal found 5/7$963
Sat 6/225:20 pmSEA - BSL
2 stops15h 55mBritish Airways
Sat 7/66:35 amBSL - SEA
1 stop14h 00mBritish Airways
Deal found 5/7$2,607

Cheap American Airlines flights from Seattle to Basel

Explore cheap flight options specifically provided by American Airlines for the route between Seattle and Basel. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
Take a gander at the lowest prices we've found on American Airlines flights from Seattle to Basel. Deals frequently update to provide users with more options.
Sun 8/47:40 pmSEA - BSL
1 stop18h 15mAmerican Airlines
Thu 8/226:35 amBSL - SEA
2 stops24h 21mAmerican Airlines
Deal found 5/7$614
Sat 8/312:13 amSEA - BSL
2 stops37h 42mAmerican Airlines
Thu 8/226:35 amBSL - SEA
1 stop13h 55mAmerican Airlines
Deal found 5/7$932

Cheap Seattle to Basel flights in May & June 2024

Find cheap flight options from Seattle to Basel specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,338 searches. Prices were last updated on May 8, 2024.
These are some of the most attractive deals on flights from Seattle to Basel in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Sun 6/234:08 pmSEA - BSL
2 stops20h 52mMultiple Airlines
Thu 7/48:30 amBSL - SEA
2 stops23h 22mMultiple Airlines
Deal found 5/7$1,160
Tue 6/2511:40 amSEA - BSL
2 stops16h 15mMultiple Airlines
Tue 7/26:40 amBSL - SEA
2 stops16h 54mMultiple Airlines
Deal found 5/7$1,168
Tue 6/256:50 pmSEA - BSL
1 stop15h 45mLufthansa
Thu 7/48:30 amBSL - SEA
1 stop12h 45mLufthansa
Deal found 5/7$1,173
Mon 6/241:10 pmSEA - BSL
2 stops15h 30mAir Canada
Fri 7/56:40 amBSL - SEA
2 stops23h 45mAir Canada
Deal found 5/7$1,177
Mon 6/247:40 amSEA - BSL
2 stops18h 00mAir Canada
Thu 7/42:15 pmBSL - SEA
2 stops29h 36mAir Canada
Deal found 5/7$1,183
Wed 6/262:15 pmSEA - BSL
1 stop14h 25mLufthansa
Tue 7/28:25 amBSL - SEA
1 stop12h 50mLufthansa
Deal found 5/7$1,188
Mon 6/243:30 pmSEA - BSL
2 stops17h 10mUnited Airlines
Tue 7/26:40 amBSL - SEA
1 stop14h 35mUnited Airlines
Deal found 5/7$1,192
Sun 6/237:05 pmSEA - BSL
2 stops33h 35mAir Canada
Wed 7/36:40 amBSL - SEA
2 stops24h 40mAir Canada
Deal found 5/7$1,198
Tue 6/256:50 pmSEA - BSL
2 stops18h 10mLufthansa
Thu 7/48:30 amBSL - SEA
1 stop12h 45mLufthansa
Deal found 5/7$1,200

Seattle to Basel 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Basel in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
These are some of the most attractive deals on flights from Seattle to Basel in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Wed 11/66:45 pmSEA - BSL
1 stop14h 35mBritish Airways
Wed 11/137:15 pmBSL - SEA
1 stop25h 10mBritish Airways
Deal found 5/8$483
Wed 11/66:45 pmSEA - BSL
1 stop14h 35mAmerican Airlines
Wed 11/1311:10 amBSL - SEA
1 stop14h 35mAmerican Airlines
Deal found 5/7$484
Wed 11/61:39 pmSEA - BSL
2 stops19h 41mBritish Airways
Wed 11/137:15 pmBSL - SEA
1 stop25h 10mBritish Airways
Deal found 5/8$487
Wed 11/61:39 pmSEA - BSL
2 stops19h 41mAmerican Airlines
Wed 11/1311:10 amBSL - SEA
1 stop33h 15mAmerican Airlines
Deal found 5/7$488
Wed 11/61:39 pmSEA - BSL
2 stops23h 21mAmerican Airlines
Wed 11/136:25 amBSL - SEA
2 stops23h 25mAmerican Airlines
Deal found 5/7$497
Wed 11/61:39 pmSEA - BSL
2 stops19h 41mBritish Airways
Wed 11/1311:10 amBSL - SEA
2 stops19h 33mBritish Airways
Deal found 5/8$499
Wed 10/307:45 pmSEA - BSL
1 stop14h 35mBritish Airways
Tue 11/127:00 amBSL - SEA
1 stop18h 45mBritish Airways
Deal found 5/7$524
Wed 10/301:39 pmSEA - BSL
2 stops24h 21mAmerican Airlines
Tue 11/123:40 pmBSL - SEA
1 stop34h 05mAmerican Airlines
Deal found 5/7$528
Wed 10/301:39 pmSEA - BSL
2 stops24h 21mAmerican Airlines
Tue 11/127:00 amBSL - SEA
2 stops22h 50mAmerican Airlines
Deal found 5/7$537

One-way flights to Basel from Seattle

Search for one-way flight options from Seattle to Basel. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
Users traveling one-way from Seattle to Basel can select one of these great deals. Users in need of a round-trip flight from Seattle to Basel instead should update the search form at the top of page.
Mon 5/278:00 pmSEA - BSL
3 stops54h 05mMultiple Airlines
Deal found 5/7$454
Mon 5/277:00 amSEA - BSL
2 stops43h 35mMultiple Airlines
Deal found 5/7$459
Wed 5/229:55 pmSEA - BSL
3 stops49h 45mMultiple Airlines
Deal found 5/8$522
Thu 5/239:29 amSEA - BSL
3 stops28h 26mMultiple Airlines
Deal found 5/8$526
Wed 5/221:50 pmSEA - BSL
2 stops36h 20mMultiple Airlines
Deal found 5/8$586
Thu 5/231:50 pmSEA - BSL
2 stops33h 50mMultiple Airlines
Deal found 5/8$678
Thu 5/231:50 pmSEA - BSL
2 stops33h 50mMultiple Airlines
Deal found 5/6$680
Mon 5/275:05 pmSEA - BSL
1 stop20h 00mMultiple Airlines
Deal found 5/7$739
Thu 5/2311:02 pmSEA - BSL
3 stops36h 28mMultiple Airlines
Deal found 5/6$740

Find flights from Seattle to Basel within your budget

Customize your flight search to find flights from Seattle to Basel 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 2,752,338 searches. Data last updated May 8, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$604 - $1,379

Route

Depart

Return

Price

Seattle/Tacoma IntlBasel EuroAirport Swiss

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Sun 8/4

1 stop18h 15m

Basel EuroAirport Swiss

Thu 8/22

1 stop13h 55m

$604

Seattle/Tacoma IntlBasel EuroAirport Swiss

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Sun 8/4

1 stop18h 15m

Basel EuroAirport Swiss

Thu 8/22

2 stops24h 21m

$614

Seattle/Tacoma IntlBasel EuroAirport Swiss

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Sun 8/4

2 stops22h 00m

Basel EuroAirport Swiss

Thu 8/22

2 stops23h 45m

$643

Seattle/Tacoma IntlBasel EuroAirport Swiss

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Sat 8/3

2 stops27h 25m

Basel EuroAirport Swiss

Thu 8/22

2 stops22h 34m

$763

Seattle/Tacoma IntlBasel EuroAirport Swiss

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Sun 8/4

2 stops18h 30m

Basel EuroAirport Swiss

Thu 8/22

3 stops21h 44m

$872

Seattle/Tacoma IntlBasel EuroAirport Swiss

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Wed 7/17

2 stops18h 00m

Basel EuroAirport Swiss

Wed 7/24

2 stops17h 50m

$907

Seattle/Tacoma IntlBasel EuroAirport Swiss

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Wed 7/17

2 stops22h 00m

Basel EuroAirport Swiss

Wed 7/24

1 stop12h 45m

$921

Seattle/Tacoma IntlBasel EuroAirport Swiss

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Sun 6/23

1 stop30h 00m

Basel EuroAirport Swiss

Wed 7/3

1 stop30h 50m

$1,329

Seattle/Tacoma IntlBasel EuroAirport Swiss

SEA - BSL

SEABSL

Seattle/Tacoma Intl

Sun 6/23

2 stops18h 40m

Basel EuroAirport Swiss

Wed 7/3

1 stop12h 55m

$1,379

Flights are sorted by cheapest first

Deals found on 5/7

When is the cheapest time to fly from Seattle to Basel?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Basel. Price data was last updated on May 5, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to Basel flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Basel by month

Plan your trip from Seattle to Basel by taking into account the cheapest months to travel. The average price of a one-way flight from Seattle to Basel is currently $598 while a round-trip flight costs $892. Price data was last updated on May 5, 2024.

Temperature and rainfall in Basel by month

Plan your trip to Basel by taking into account the average temperature and rainfall totals by month.

EAP

Temperature

33.8 - 66.2 °F

Reviews of airlines servicing Basel

Get insights into the airlines that provide service to Basel. 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 Basel. Reviews last updated May 8, 2024.
Read reviews from past customers who have flown British Airways, American Airlines and Air Canada from Seattle to Basel. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,789 reviews
Check prices

Overall

8.1

Boarding

8.2

Comfort

7.9

Food

7.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.1
Very good
10,789 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Overall

8.1

Boarding

8.2

Comfort

7.9

Food

7.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Air France
7.5
Good
1,777 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Overall

8.1

Boarding

8.2

Comfort

7.9

Food

7.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Turkish Airlines
7.5
Good
3,712 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Overall

8.1

Boarding

8.2

Comfort

7.9

Food

7.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

United Airlines
7.4
Good
11,043 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Overall

8.1

Boarding

8.2

Comfort

7.9

Food

7.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

American Airlines
7.3
Good
14,677 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Overall

8.1

Boarding

8.2

Comfort

7.9

Food

7.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

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

  • Can I find flights from Seattle to Basel for under $700 on Cheapflights?

    Yes, there are multiple flights from Seattle to Basel for under $700. The cheapest flight booked recently is on British Airways for just $604, but on average you can expect to pay $941.

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

    Our cheapest airline available from Seattle to Basel is British Airways. Our recent data shows that you can find tickets from as low as $604 on this airline. Additional options worth looking into are American Airlines and Air Canada, starting at $614 and $643 round-trip. British Airways is 31% cheaper than the average price of flights available within the next 90 days to this destination.

  • What does SEA to BSL mean?

    This is defined as Seattle/Tacoma Intl Airport (SEA) and Basel EuroAirport Swiss (BSL). Codes like Basel EuroAirport Swiss are often used to just call airports uniquely. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Mulhouse EuroAirport (MLH).

  • Can I find deals for flights from Seattle to Basel that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to Basel flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Seattle to Basel with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Basel flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

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

  • Can I find deals for flights from Seattle to Basel that allow pets onboard?

    Many airlines flying from Seattle to Basel offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Seattle to Basel?

    Yes, you can often find last-minute deals on Seattle to Basel flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Seattle to Basel flight deals updated?

    The Seattle to Basel flight deals you see on this page were last updated on 5/8.

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Alternative routes for Seattle to Basel
See prices for flight routes from nearby airports that may be better suited for you.

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Top 2 airlines flying from Seattle to Basel

Discover the top 2 airlines that operate flights from Seattle to Basel. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$561Average$1,120FlexibilityNo cancel feeOn-time70%
Search British Airways flights
DeltaCheapest$719Average$1,271FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
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Search flights from Seattle to Basel by cabin class

Find flights from Seattle to Basel, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Basel?

When you search for this flight from Seattle to Basel, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Basel?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Seattle to Basel for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Seattle to Basel with no change fees?

Yes! Cheapflights helps users easily find flights from Seattle to Basel with no change fees.

Can Cheapflights notify me if prices for flights from Seattle to Basel become cheaper?

Of course! You can now track prices for flights from Seattle to Basel and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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