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Bonn

$299+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FRA
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
1 adult, Economy
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Cheap flight deals from Seattle to Bonn

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

Round-trip from

$565
(Billigflug)

One-way from

$299
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$969
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. 9% potential increase in price ($78 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find 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 June 18, 2025.

This Billigflug deal was found by Cheapflights users on 6/16. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/37:20 amSEA - DUS
2 stops18h 05mMultiple Airlines
Tue 8/1910:55 amDUS - SEA
2 stops21h 04mMultiple Airlines
Deal found 6/16$565
This American Airlines deal was found by Cheapflights users on 6/17. 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.
Tue 9/21:30 pmSEA - DUS
1 stop19h 15mAmerican Airlines
Wed 9/2410:25 amDUS - SEA
2 stops18h 44mAmerican Airlines
Deal found 6/17$573
This British Airways deal was found by Cheapflights users on 6/17. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/21:30 pmSEA - DUS
1 stop22h 35mBritish Airways
Wed 9/246:35 pmDUS - SEA
1 stop26h 00mBritish Airways
Deal found 6/17$575
This FlightHub deal was found by Cheapflights users on 6/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/77:00 amSEA - DUS
2 stops17h 25mLufthansa
Tue 10/286:15 amDUS - SEA
2 stops14h 55mLufthansa
Deal found 6/16$590
This Booking.com deal was found by Cheapflights users on 6/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/57:20 amSEA - DUS
2 stops18h 05mAir Canada
Thu 8/147:00 amDUS - SEA
2 stops22h 41mAir Canada
Deal found 6/17$623
This Delta deal was found by Cheapflights users on 6/16. 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 7/296:30 pmSEA - DUS
1 stop28h 50mDelta
Tue 8/192:30 pmDUS - SEA
1 stop30h 05mDelta
Deal found 6/16$629
This United Airlines deal was found by Cheapflights users on 6/16. 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 8/66:50 pmSEA - DUS
1 stop14h 50mUnited Airlines
Fri 8/156:00 amDUS - SEA
2 stops26h 59mUnited Airlines
Deal found 6/16$637
This FlightHub deal was found by Cheapflights users on 6/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/34:00 pmSEA - DUS
1 stop17h 45mScandinavian Airlines
Sat 8/1610:00 amDUS - SEA
1 stop12h 50mScandinavian Airlines
Deal found 6/16$657
This SWISS deal was found by Cheapflights users on 6/16. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/291:45 pmSEA - DUS
2 stops15h 20mSWISS
Tue 8/199:40 amDUS - SEA
2 stops17h 56mSWISS
Deal found 6/16$704
This KLM deal was found by Cheapflights users on 6/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/22:10 pmSEA - DUS
1 stop12h 40mKLM
Sat 8/98:15 amDUS - SEA
1 stop12h 20mKLM
Deal found 6/17$912
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/51:30 pmSEA - DUS
2 stops19h 30mFinnair
Sun 8/1711:55 amDUS - SEA
1 stop13h 05mFinnair
Deal found 6/16$1,081
This FlightHub deal was found by Cheapflights users on 6/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/47:00 amSEA - DUS
2 stops25h 15mTurkish Airlines
Sat 8/167:20 amDUS - SEA
2 stops22h 37mTurkish Airlines
Deal found 6/16$1,834

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 June 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

Sun 8/3

7:20 am-10:25 am

2 stops18h 05m

Duesseldorf Intl

Tue 8/19

10:55 am-10:59 pm

2 stops21h 04m

$565

SeattleDüsseldorf

SEA - DUS

SEADUS

Seattle/Tacoma Intl

Tue 9/2

1:30 pm-5:45 pm

1 stop19h 15m

Duesseldorf Intl

Wed 9/24

10:25 am-8:09 pm

2 stops18h 44m

$573

SeattleDüsseldorf

SEA - DUS

SEADUS

Seattle/Tacoma Intl

Tue 9/2

1:30 pm-9:05 pm

1 stop22h 35m

Duesseldorf Intl

Wed 9/24

6:35 pm-11:35 am

1 stop26h 00m

$575

SeattleDüsseldorf

SEA - DUS

SEADUS

Seattle/Tacoma Intl

Tue 10/7

7:00 am-9:25 am

2 stops17h 25m

Duesseldorf Intl

Tue 10/28

6:15 am-1:10 pm

2 stops14h 55m

$590

SeattleDüsseldorf

SEA - DUS

SEADUS

Seattle/Tacoma Intl

Tue 8/5

7:20 am-10:25 am

2 stops42h 05m

Duesseldorf Intl

Thu 8/14

7:00 am-8:41 pm

2 stops22h 41m

$623

SeattleDüsseldorf

SEA - DUS

SEADUS

Seattle/Tacoma Intl

Tue 7/29

6:30 pm-8:20 am

1 stop28h 50m

Duesseldorf Intl

Tue 8/19

2:30 pm-11:35 am

1 stop30h 05m

$629

SeattleDüsseldorf

SEA - DUS

SEADUS

Seattle/Tacoma Intl

Wed 8/6

6:50 pm-6:40 pm

1 stop14h 50m

Duesseldorf Intl

Fri 8/15

6:00 am-11:59 pm

2 stops26h 59m

$637

SeattleDüsseldorf

SEA - DUS

SEADUS

Seattle/Tacoma Intl

Sun 8/3

4:00 pm-6:45 pm

1 stop17h 45m

Duesseldorf Intl

Sat 8/16

10:00 am-1:50 pm

1 stop12h 50m

$657

SeattleDüsseldorf

SEA - DUS

SEADUS

Seattle/Tacoma Intl

Tue 7/29

1:45 pm-2:05 pm

2 stops15h 20m

Duesseldorf Intl

Tue 8/19

9:40 am-6:36 pm

2 stops17h 56m

$704

SeattleDüsseldorf

SEA - DUS

SEADUS

Seattle/Tacoma Intl

Sat 8/2

2:10 pm-11:50 am

1 stop12h 40m

Duesseldorf Intl

Sat 8/9

8:15 am-11:35 am

1 stop12h 20m

$912

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/18

Showing 1-10 of 20 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, January is the cheapest month in which you can book a flight from Seattle to Bonn (average of $729). Flying from Seattle to Bonn in June is currently the most expensive (average of $1,087). 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 June 18, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Bonn as you normally would.

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. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Seattle to Bonn

Explore weekly flight availability from Seattle to Bonn. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 18, 2025.

The most flights from SEA to BN9 are scheduled on a Monday (5 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Bonn by month

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

In terms of precipitation, rainfall in Bonn ranges from 1.2 - 3.1 inches per month. July is typically the wettest month, when rainfall can reach 3.1 in. March is typically the driest time to visit Bonn when rainfall is around 1.2 in.

Temperature in Bonn by month

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

If weather is an important factor for your trip to Bonn, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

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 June 18, 2025.
Delta
8.0
Very good
7,965 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,965 reviews
Delta
8.0
Very good
7,965 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,363 reviews
Delta
8.0
Very good
7,965 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,292 reviews
Delta
8.0
Very good
7,965 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,632 reviews
Delta
8.0
Very good
7,965 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,809 reviews
Delta
8.0
Very good
7,965 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 11 different airlines.

  • What are the cheapest airlines to fly from Seattle to Bonn one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $366. However, be on the lookout for offers from Aer Lingus and British Airways, as they are both options that can get you from Seattle to Bonn for a low price.

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

    Consider Condor (72%), Alaska Airlines (72%) or Air Canada (70%) 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 $1,713 for a flight from Seattle to Bonn. The cheapest flight overall is $359 while the most popular route, (Seattle/Tacoma Intl - Duesseldorf Intl) is currently priced at $565.

  • 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, January is the cheapest month in which you can book a flight from Seattle to Bonn (average of $729). Flying from Seattle to Bonn in June is currently the most expensive (average of $1,087). 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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Alternative routes for Seattle to Bonn

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Seattle to Bonn

Discover the top 10 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 June 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$466Average$689FlexibilityNo cancel feeOn-time76%
CondorCheapest$518Average$785FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$555Average$799FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$559Average$724FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$578Average$852FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$630Average$718FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$672Average$870FlexibilityNo cancel feeOn-time69%
KLMCheapest$683Average$1,034FlexibilityNo cancel feeOn-time75%
DeltaCheapest$717Average$960FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$749Average$770FlexibilityNo cancel feeOn-time67%

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