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Bonn

$309+ Cheap flights from Seattle (SEA) to Bonn, Germany

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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FRA
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Seattle to Bonn

Cheapest flights from Seattle to Bonn
Explore the most affordable flight options available from Seattle to Bonn. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Air France deal was found by Cheapflights users on 12/16. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/301:40 pmSEA - DUS
1 stop19h 00mMultiple Airlines
Thu 1/811:30 amDUS - SEA
1 stop33h 20mMultiple Airlines
Deal found 12/16$708
This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 amSEA - DUS
2 stops26h 40mDelta
Thu 1/82:35 pmDUS - SEA
1 stop30h 15mDelta
Deal found 12/16$713
This Air France deal was found by Cheapflights users on 12/16. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/301:40 pmSEA - DUS
1 stop19h 00mAir France
Fri 1/96:40 amDUS - SEA
1 stop15h 45mAir France
Deal found 12/16$714
This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/301:40 pmSEA - DUS
1 stop19h 00mDelta
Thu 1/82:35 pmDUS - SEA
2 stops36h 54mDelta
Deal found 12/16$718
This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3010:55 pmSEA - DUS
2 stops23h 45mDelta
Fri 1/96:40 amDUS - SEA
1 stop15h 45mDelta
Deal found 12/16$725
This Air Canada deal was found by Cheapflights users on 12/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:00 pmSEA - DUS
2 stops35h 20mAir Canada
Sun 1/112:35 pmDUS - SEA
2 stops40h 31mAir Canada
Deal found 12/16$730
This KAYAK deal was found by Cheapflights users on 12/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:10 pmSEA - DUS
1 stop20h 00mLufthansa
Sun 1/118:55 pmDUS - SEA
2 stops33h 02mLufthansa
Deal found 12/16$752
This Air Canada deal was found by Cheapflights users on 12/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:00 pmSEA - DUS
2 stops35h 20mAir Canada
Sat 1/106:40 amDUS - SEA
2 stops24h 36mAir Canada
Deal found 12/16$767
This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/301:40 pmSEA - DUS
1 stop19h 00mDelta
Sat 1/1011:30 amDUS - SEA
1 stop33h 20mDelta
Deal found 12/16$768
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:57 amSEA - DUS
2 stops22h 43mUnited Airlines
Fri 1/96:30 amDUS - SEA
2 stops24h 46mUnited Airlines
Deal found 12/16$771

Find flight deals from Seattle to Bonn

Keep the following information in mind while searching for Seattle to Bonn flight deals. Data was last updated December 18, 2025.

Round-trip from

$523
(Kiwi.com)

One-way from

$309
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$1,178
From Seattle/Tacoma Intl to Bonn
Search Deals
One-way flight from Seattle/Tacoma Intl to Bonn
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($2 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Bonn 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 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Seattle to Bonn that are best for you.

Fly from

Seattle

Fly to

Bonn

Route

Depart

Return

Price

SeattleDüsseldorf

SEA - DUS

SEADUS

Seattle/Tacoma Intl

Sat 1/31

2:00 pm-1:50 pm

1 stop14h 50m

Duesseldorf Intl

Sat 2/7

6:20 am-12:10 pm

1 stop14h 50m

$546

SeattleDüsseldorf

SEA - DUS

SEADUS

Seattle/Tacoma Intl

Sat 1/17

2:00 pm-1:50 pm

1 stop14h 50m

Duesseldorf Intl

Sat 2/7

6:20 am-12:10 pm

1 stop14h 50m

$564

SeattleDüsseldorf

SEA - DUS

SEADUS

Seattle/Tacoma Intl

Wed 2/4

8:00 pm-6:05 pm

2 stops37h 05m

Duesseldorf Intl

Sun 2/8

9:25 am-9:15 am

2 stops32h 50m

$570

SeattleDüsseldorf

SEA - DUS

SEADUS

Seattle/Tacoma Intl

Sat 1/24

1:35 pm-2:50 pm

1 stop16h 15m

Duesseldorf Intl

Fri 2/6

12:25 pm-4:55 pm

1 stop13h 30m

$581

SeattleDüsseldorf

SEA - DUS

SEADUS

Seattle/Tacoma Intl

Sat 1/24

1:35 pm-2:50 pm

1 stop16h 15m

Duesseldorf Intl

Wed 2/4

10:05 am-4:55 pm

1 stop15h 50m

$581

SeattleDüsseldorf

SEA - DUS

SEADUS

Seattle/Tacoma Intl

Fri 1/23

6:50 pm-8:20 pm

1 stop16h 30m

Duesseldorf Intl

Tue 2/3

12:30 pm-4:55 pm

1 stop13h 25m

$581

SeattleDüsseldorf

SEA - DUS

SEADUS

Seattle/Tacoma Intl

Wed 2/4

6:50 pm-7:45 pm

1 stop15h 55m

Duesseldorf Intl

Sun 2/8

8:30 pm-4:55 pm

1 stop29h 25m

$582

SeattleDüsseldorf

SEA - DUS

SEADUS

Seattle/Tacoma Intl

Fri 1/30

6:50 pm-8:20 pm

1 stop16h 30m

Duesseldorf Intl

Tue 2/3

6:15 am-11:30 am

1 stop14h 15m

$582

SeattleDüsseldorf

SEA - DUS

SEADUS

Seattle/Tacoma Intl

Thu 1/29

7:10 am-1:45 pm

2 stops21h 35m

Duesseldorf Intl

Fri 2/6

6:15 am-11:40 am

1 stop14h 25m

$583

SeattleDüsseldorf

SEA - DUS

SEADUS

Seattle/Tacoma Intl

Fri 1/23

3:10 pm-10:30 am

2 stops34h 20m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 18 results
1
2

Best time to book a flight from Seattle to Bonn

Have a flexible travel schedule? Discover the best time to fly to Bonn from Seattle 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.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Bonn

What is the cheapest month to book a flight from Seattle to Bonn?

Currently, August is the cheapest month in which you can book a flight from Seattle to Bonn (average of $323). Flying from Seattle to Bonn in June is currently the most expensive (average of $729). 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.

What is the cheapest time of day to fly from SEA to BN9?

Find hourly flight availability from Seattle to Bonn. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

It’s typically best to fly out from Seattle to Bonn in the evening. Doing so could potentially save you 14% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from Seattle to Bonn?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Bonn. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Seattle to Bonn flight should consider departing on Monday evenings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Bonn

Get insights into the airlines that provide service to Bonn. 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 Bonn. Reviews last updated December 18, 2025.
See what other customers who have flown with Delta, KLM, and Lufthansa from Seattle to Bonn have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,009 reviews

Comfort

7.9

Overall

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,009 reviews
Delta
7.9
Good
8,009 reviews

Comfort

7.9

Overall

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
KLM
7.7
Good
1,428 reviews
Delta
7.9
Good
8,009 reviews

Comfort

7.9

Overall

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Lufthansa
6.8
Okay
7,635 reviews
Delta
7.9
Good
8,009 reviews

Comfort

7.9

Overall

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,585 reviews
Delta
7.9
Good
8,009 reviews

Comfort

7.9

Overall

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

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

  • What airport do you fly from for flights from Seattle to Bonn?

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl is the airport most travelers will use when flying to Bonn from Seattle. Booking flights from Seattle/Tacoma Intl (SEA) to Bonn should be relatively easy as there are 0 daily outbound flights to Bonn from 9 different airlines.

  • How long is the flight from Seattle to Bonn?

    Lufthansa can get you from Seattle to Bonn in just under 14h 50m. Your travel time can differ by up to . Seattle and Bonn are separated by a distance of 4975 mi.

  • What are the most reliable airlines from Seattle to Bonn?

    Consider Air Canada (71%), United Airlines (71%) or Lufthansa (71%) when booking your flight. These represent the most reliable airlines when flying from Seattle to Bonn.

  • What are the cheapest flights from Seattle to Bonn?

    On average you can expect to pay $1,002 for a flight from Seattle to Bonn. The cheapest flight overall is $411 while the most popular route, (Seattle/Tacoma Intl - Duesseldorf Intl) is currently priced at $539.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Bonn 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 Seattle to Bonn?

    Currently, August is the cheapest month in which you can book a flight from Seattle to Bonn (average of $323). Flying from Seattle to Bonn in June is currently the most expensive (average of $729). 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.

See more FAQs

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Top 9 airlines flying from Seattle to Bonn

Discover the top 9 airlines that operate flights from Seattle to Bonn. 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 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$466Average$669FlexibilityNo cancel feeOn-time76%
CondorCheapest$531Average$771FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$546Average$859FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$559Average$727FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$591Average$822FlexibilityNo cancel feeOn-time70%
DeltaCheapest$607Average$1,214FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$608Average$821FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$653Average$909FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$817Average$1,033FlexibilityNo cancel feeOn-time75%

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