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Bonn

$288+ 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FRA
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
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 September 16, 2025.

Round-trip from

$527
(AirNGo)

One-way from

$288
(Ovago)

Popular in

December

Cheapest in

November

Average price

$864
From Seattle/Tacoma Intl to Bonn
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One-way flight from Seattle/Tacoma Intl to Bonn
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 16, 2025.

This AirNGo deal was found by Cheapflights users on 9/16. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/278:00 pmSEA - DUS
2 stops36h 20mAir Canada
Wed 11/126:30 amDUS - SEA
2 stops21h 46mAir Canada
Deal found 9/16$527
This oojo deal was found by Cheapflights users on 9/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/104:20 pmSEA - DUS
1 stop32h 00mScandinavian Airlines
Thu 10/231:40 pmDUS - SEA
2 stops33h 20mScandinavian Airlines
Deal found 9/14$540
This Air France deal was found by Cheapflights users on 9/14. 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.
Wed 11/122:05 pmSEA - DUS
1 stop20h 50mAir France
Tue 11/186:40 amDUS - SEA
1 stop13h 45mAir France
Deal found 9/14$563
This Delta deal was found by Cheapflights users on 9/16. 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.
Mon 10/273:10 pmSEA - DUS
1 stop18h 30mDelta
Wed 11/126:40 amDUS - SEA
1 stop15h 40mDelta
Deal found 9/16$564
This oojo deal was found by Cheapflights users on 9/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/104:20 pmSEA - DUS
1 stop32h 00mScandinavian Airlines
Tue 10/217:25 pmDUS - SEA
1 stop27h 35mScandinavian Airlines
Deal found 9/15$567
This Delta deal was found by Cheapflights users on 9/15. 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 11/122:11 pmSEA - DUS
2 stops18h 29mDelta
Tue 11/186:40 amDUS - SEA
1 stop13h 45mDelta
Deal found 9/15$568
This Air France deal was found by Cheapflights users on 9/14. 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.
Wed 10/151:30 pmSEA - DUS
1 stop13h 45mMultiple Airlines
Wed 10/296:40 pmDUS - SEA
1 stop26h 05mMultiple Airlines
Deal found 9/14$594
This Finnair deal was found by Cheapflights users on 9/15. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/302:42 pmSEA - DUS
2 stops19h 13mFinnair
Thu 11/611:05 amDUS - SEA
2 stops20h 19mFinnair
Deal found 9/15$598
This Delta deal was found by Cheapflights users on 9/14. 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 10/151:30 pmSEA - DUS
1 stop17h 15mDelta
Wed 10/296:40 amDUS - SEA
2 stops20h 20mDelta
Deal found 9/14$604

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 September 16, 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

Mon 10/27

8:00 pm-4:20 pm

2 stops36h 20m

Duesseldorf Intl

Wed 11/12

6:30 am-7:16 pm

2 stops21h 46m

$527

SeattleDüsseldorf

SEA - DUS

SEADUS

Seattle/Tacoma Intl

Mon 10/27

3:10 pm-5:40 pm

1 stop18h 30m

Duesseldorf Intl

Wed 11/12

6:40 am-1:20 pm

1 stop15h 40m

$563

SeattleDüsseldorf

SEA - DUS

SEADUS

Seattle/Tacoma Intl

Fri 10/10

4:20 pm-9:20 am

1 stop32h 00m

Duesseldorf Intl

Tue 10/21

7:25 pm-2:00 pm

1 stop27h 35m

$567

SeattleDüsseldorf

SEA - DUS

SEADUS

Seattle/Tacoma Intl

Wed 11/12

9:25 am-1:45 pm

2 stops19h 20m

Duesseldorf Intl

Tue 11/18

6:40 am-11:25 am

1 stop13h 45m

$568

SeattleDüsseldorf

SEA - DUS

SEADUS

Seattle/Tacoma Intl

Wed 10/29

11:15 am-1:45 pm

2 stops18h 30m

Duesseldorf Intl

Wed 11/5

6:40 am-1:20 pm

1 stop15h 40m

$568

SeattleDüsseldorf

SEA - DUS

SEADUS

Seattle/Tacoma Intl

Thu 10/30

2:42 pm-5:55 pm

2 stops19h 13m

Duesseldorf Intl

Thu 11/6

11:05 am-10:24 pm

2 stops20h 19m

$598

SeattleDüsseldorf

SEA - DUS

SEADUS

Seattle/Tacoma Intl

Tue 10/28

10:25 am-9:30 am

2 stops39h 05m

$288

SeattleDüsseldorf

SEA - DUS

SEADUS

Seattle/Tacoma Intl

Tue 10/21

2:10 pm-10:10 pm

2 stops23h 00m

$359

SeattleDüsseldorf

SEA - DUS

SEADUS

Seattle/Tacoma Intl

Tue 10/28

2:40 pm-5:40 pm

1 stop19h 00m

$393

SeattleDüsseldorf

SEA - DUS

SEADUS

Seattle/Tacoma Intl

Tue 10/21

6:35 pm-6:00 pm

1 stop14h 25m

$393

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 13 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 $1,091). 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 September 16, 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 September 16, 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).

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 September 16, 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
8.0
Very good
7,957 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

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
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

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
1,386 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

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!
Lufthansa
6.8
Okay
7,407 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

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!
British Airways
6.7
Okay
7,363 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

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.

  • How long is the flight from Seattle to Bonn?

    Air Canada, Delta, and Scandinavian Airlines can get you from Seattle to Bonn in just under 18h 30m. Your travel time can differ by up to 17h 50m. Seattle and Bonn are separated by a distance of 4975 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Consider Condor (68%), Alaska Airlines (68%) or Air Canada (60%) 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 $1,342 for a flight from Seattle to Bonn. The cheapest flight overall is $448 while the most popular route, (Seattle/Tacoma Intl - Duesseldorf Intl) is currently priced at $564.

  • 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 $1,091). 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 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$466Average$688FlexibilityNo cancel feeOn-time76%
CondorCheapest$522Average$772FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$559Average$724FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$578Average$872FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$587Average$861FlexibilityNo cancel feeOn-time70%
DeltaCheapest$607Average$1,038FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$608Average$829FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$666Average$886FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$707Average$823FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$749Average$795FlexibilityNo cancel feeOn-time67%

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