How do I get Price Alerts for flights from Cologne to Seattle?

Price Alerts will notify you by email when the price for flights to Seattle from Cologne decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

How can I save money on flights from Cologne to Seattle with momondo?

Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

When did momondo last update prices for flights from Cologne Köln/Bonn Airport to Seattle/Tacoma Intl Airport?

Prices for flights from Cologne Köln/Bonn Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

How old do you have to be to fly from Cologne Köln/Bonn Airport to Seattle/Tacoma Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Cologne Köln/Bonn Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Find Cheap Flights from Cologne to Seattle in 2025

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Cheap return flights

These are some of the best return flight deals from Cologne to Seattle that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Cologne to Seattle.

Cheap last-minute flights

Planning a quick getaway from Cologne to Seattle? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Seattle, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from Cologne to Seattle

Find recent return train or bus tickets from Cologne to Seattle.

All return flight deals to Seattle

The cheapest plane tickets to Seattle found on KAYAK recently.

CGN-SEA

12969 kmmulti-stop

SEA-CGN

12969 kmmulti-stop

Multiple Airlines

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CGN-SEA

12969 kmmulti-stop

Multiple Airlines

Find Deal

When to book flights from Cologne to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Cologne to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Cologne to Seattle (CGN to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cologne to Seattle

Direct flights	None

There are no direct flights from Cologne to Seattle. There are no popular flight routes from Cologne to Seattle.

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How far is Cologne Köln/Bonn to Seattle/Tacoma Intl by plane?
The distance between Cologne Köln/Bonn and Seattle/Tacoma Intl is about 8030,6 km.
When did momondo last update prices for flights from Cologne Köln/Bonn Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Cologne Köln/Bonn Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.
How old do you have to be to fly from Cologne Köln/Bonn Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Cologne Köln/Bonn Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

How do I get Price Alerts for flights from Cologne to Seattle?
Price Alerts will notify you by email when the price for flights to Seattle from Cologne decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.
How can I save money on flights from Cologne to Seattle with momondo?
Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Why use momondo?

Why should I use momondo to find a flight deal from Cologne to Seattle?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Cologne to Seattle for you.

Can I find flights from Cologne to Seattle with flexible booking policies on momondo?

All flight searches from Cologne to Seattle on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Cologne to Seattle?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Cologne to Seattle.

I’m not ready to book a flight from Cologne to Seattle right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Cologne and alert you when they change.