$182 Find Cheap Flights from Seattle to Denmark - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Denmark departing on 10/4. 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.
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Cheap Flights from Seattle to Denmark

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Copenhagen
Copenhagennonstop$492
Billund
Billund1 stop$498
Aalborg
Aalborg2 stops$685
Aarhus
Aarhus1 stop$537
Copenhagen
Copenhagennonstop$492
Billund
Billund1 stop$498
Aalborg
Aalborg2 stops$685
Aarhus
Aarhus1 stop$537

Book Cheap Seattle to Denmark Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Seattle to Denmark that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Denmark

Tue, Sep 15 - Tue, Oct 6
Scandinavian Airlines Logo
3:55 pm - 10:10 am
SEA
-
CPH
9h 15mnonstop
Scandinavian Airlines Logo
1:05 pm - 1:45 pm
CPH
-
SEA
9h 40mnonstop
$492Scandinavian Airlines
Sun, Sep 13 - Tue, Sep 22
Scandinavian Airlines Logo
3:55 pm - 10:10 am
SEA
-
CPH
9h 15mnonstop
Scandinavian Airlines Logo
1:05 pm - 1:45 pm
CPH
-
SEA
9h 40mnonstop
$492Scandinavian Airlines
Thu, Oct 29 - Tue, Nov 3
Multiple Airlines Logo
8:40 am - 9:05 am
SEA
-
CPH
16h 25m
2 stops
Multiple Airlines Logo
1:10 pm - 1:00 pm
CPH
-
SEA
32h 50m
1 stop
$493Multiple Airlines
Tue, Aug 11 - Fri, Aug 21
Multiple Airlines Logo
6:50 pm - 11:30 pm
SEA
-
CPH
19h 40m
1 stop
Multiple Airlines Logo
12:15 pm - 10:42 pm
CPH
-
SEA
19h 27m
2 stops
$496Multiple Airlines
Sat, Oct 17 - Sun, Nov 8
Air Canada Logo
7:20 pm - 2:10 pm
SEA
-
CPH
33h 50m
2 stops
Air Canada Logo
11:35 am - 8:59 pm
CPH
-
SEA
18h 24m
1 stop
$497Air Canada
Sat, Oct 17 - Fri, Nov 13
Air Canada Logo
7:20 pm - 2:10 pm
SEA
-
CPH
33h 50m
2 stops
Air Canada Logo
11:35 am - 8:59 pm
CPH
-
SEA
18h 24m
1 stop
$497Air Canada
Sun, Nov 1 - Sat, Apr 17
Icelandair Logo
2:35 pm - 7:45 pm
SEA
-
CPH
20h 10m
1 stop
Icelandair Logo
2:00 pm - 5:55 pm
CPH
-
SEA
12h 55m
1 stop
$500Icelandair
Mon, Nov 2 - Sat, Apr 17
Icelandair Logo
2:35 pm - 11:45 am
SEA
-
CPH
12h 10m
1 stop
Icelandair Logo
2:00 pm - 5:55 pm
CPH
-
SEA
12h 55m
1 stop
$500Icelandair
Tue, Oct 13 - Sun, Nov 8
United Airlines Logo
11:13 pm - 10:50 am
SEA
-
CPH
26h 37m
2 stops
United Airlines Logo
11:35 am - 10:59 pm
CPH
-
SEA
20h 24m
2 stops
$500United Airlines
Wed, Oct 14 - Fri, Nov 13
United Airlines Logo
11:13 pm - 10:50 am
SEA
-
CPH
26h 37m
2 stops
United Airlines Logo
11:35 am - 10:59 pm
CPH
-
SEA
20h 24m
2 stops
$500United Airlines
Booking Insights

KAYAK's insights & trends for Seattle to Denmark flights

Get data-powered insights and trends into flights from Seattle to Denmark to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest Seattle to Denmark flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to Denmark from Seattle found in the last 5 days was to Copenhagen, at $476 round-trip. The most popular route is from Seattle (SEA) to Copenhagen (CPH), and the cheapest round-trip airline ticket found on this route in the last 5 days was $476.

What is the cheapest time of day to fly to Denmark?

The average price for all round-trip flights from Seattle to Denmark depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.

The cheapest time of day to fly to Denmark is generally in the evening, when round-trip flights cost $774 on average. Morning departures are around 100% cheaper than evening flights, on average. The most expensive time of day to fly to Denmark is generally in the evening, which is peak travel time and where the average cost of a ticket is $774.

Can I save money by flying with a layover from Seattle to Denmark?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $667, prices are generally cheapest when you fly direct.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Seattle to Denmark, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Seattle to Denmark is February, when tickets cost $462 (return) on average. On the other hand, the most expensive months are December and July, when the average cost of round-trip tickets is $816 and $814 respectively.

What’s the cheapest day of the week to fly from Seattle to Denmark?

The average price of all round-trip flights from Seattle to Denmark clicked on KAYAK for each day over the last 12 months.

For Seattle to Denmark, Sunday is the cheapest day to fly on average and Thursday is the most expensive. Flying from Denmark back to Seattle, the best deals are generally found on Friday, with Sunday being the most expensive.

How far in advance should I book a flight from Seattle to Denmark?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Seattle to Denmark, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Seattle to Denmark, you should book around 3 weeks before departure, which saves you about 18% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 4 weeks before departure.

Good to know

Low season

January

Cheapest flight

$182
Best time to beat the crowds but there is an average 3% increase in price.
Most popular time to fly with an average 4% increase in price.
Flight from Seattle to Copenhagen

FAQs - booking Denmark flights

  • How does KAYAK find such low prices on flights from Seattle to Denmark?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Denmark.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Denmark?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Seattle to Denmark is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Seattle to Denmark?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Seattle to Denmark with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Denmark?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Seattle to Denmark up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • How many flights are there between Seattle and Denmark per day?

    There is a maximum of 1 nonstop flight a day that takes off from Seattle and lands in Denmark, with an average flight time of 9h 15m. The most common departure time is 3:00 pm and most flights take off in the afternoon. Each week, there are 4 flights.

Reviews of the top 5 airlines serving from Seattle to Denmark

 
Need help choosing which airline to fly with from Seattle to Denmark? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.8
DeltaOverall score based on 8486 reviews
7.2Food
8.5Crew
7.8Entertainment
7.8Comfort
8.1Boarding
Airline reviews

Everything worked smoothly, never had a concern with the flight from start to finish.

10.0 ExcellentSteve, Jul 2026
SEA - AMS
Read more Delta reviews

Everything worked smoothly, never had a concern with the flight from start to finish.

My flight was delayed by 4 hours in 30 minute increments. The gate agents were amazing but the communication was not. We were told that there was a maintenance issue but they didn't know what it was. That didn't inspire confidence. Then they said they found it and it was fixed and the pilot just needed to sign off. Then the pilot needed to talk to the other pilot from the arriving flight and we'd be fine. Then we were waiting for the pilot to call back. Then the maintenance issue wasn't fixed. Then they decided we were getting a new plane (why didn't they decide this earlier??). Fine. But then they announced we were changing gates AND terminals. And we were boarding in 20 minutes. So we all had to run to the new terminal gate. We could have taken off at that time, but we then had to wait for all the people who rebooked on a different flight to book this flight again. That took 30+ minutes because there was only one gate agent. When everyone ditched this flight, I saw it as an opportunity to upgrade to comfort. Delta, the greedy jerks they are, charged me $121. After their delay, their fault, their issues, couldn't even discount an upgrade. They only handed out $12 meal vouchers for the delay. I can't even get a snack from starbucks for that.

Love me some Delta. One of the few airlines to recognize and support veterans. Easy boarding, flight was on time and arrived early and the flight attendants were excellent on this flight.

We sat on the runway for over an hour before departure. That was unwelcome.

The Boarding process was great. Particularly since my wife and I require assistance. The flight attendants were amazing. We travel frequently; they honestly were a cut above. 😀

Crew was nice, meal was good. Entertainment had to be rebooted 3 times and still did not work. Turns out there was residue on screen, it needed to be cleaned to prevent the touchscreen buttons from continuously activating. I had entertainment for the last 45 minutes of a 5 hour 45 minute flight. Really unacceptable for first class. Flight attendent indicated your cleaning solution creates this problem. Seems as if this is widely known, you should be using a different product or cleaning better. Really really disappointing which simply added to the wi fi on your planes with reliably never ever works.

Snacks and included beverages were appreciated. Boarding went smoothly. Plenty of overhead bin space. Seats get very uncomfortable after a couple of hours. After waiting 10 painful minutes for my walker, a very nice Delta guest agent pushed me in a wheelchair to the gate. It was finally delivered to me after another 15 minutes . Our checked bag was on the carousel long b4 I was able to retrieve it. Fortunately it was still there but somewhere along the way the straps we used to secure it were removed and and were not reattached. Wish I had made note of the agents name.

The cabin temperature was nice and cool. The wifi was not working.

Could not get my connecting flight boarding pass until four hrs before departure! Ver annoying especially since the staff could not explain why!

First flight out and was 85 minutes delayed. Notification came out way too late

Seats! The eternal problem in economy. They are like stones!!

Everything is good except the seats are tightened no rooms for the legs,

The plane's pilots, including the captain himself, thanked me for the flight. I know it's just marketing, but it was really nice to see these people. It's a great idea. Airplane food is never "good," but the entire crew and flight organization were top-notch. I really liked Delta, and I think I've traveled all over the world, and that was something new for me. Maybe even the old planes, the B767, but next time I have a choice, Delta will be my first choice. Thank you, a satisfied passenger :)

It was a great experience. The only thing I would have changed was that the bathrooms were never cleaned and they got very dirty.

It was an OK flight with below mediocre service by their flight attendants

Wasted a lot of time trying to find the CDG lounge - it was not next to the connecting flight gate like the Air France staff said.

The only reason the overall rating wasn't "excellent" was due to problems in claiming luggage. The bags are delivered to the main area (Cinta 35) for domestic passengers, but to a DIFFERENT ROOM for international arrivees. After waiting 30 minutes, someone (who didn't appear to be from Air France or the airport) told us to go to another area. There we found our bags, which appeared to have been awaiting us for a while. We had to go through a bag check before leaving the airport. If we had been alerted to this possibility, or better yet, been to go directly to Cinta 34, we could have eliminated quite a bit of waiting.

I did not get my baggage at my final destination..poor coordination with connecting flights with partner airlines (Saudi airways). Also the food was very mediocre.

Not great , just ok . I expected better food but it did not deliver . Flight staff was ok . The guy at the drop off bag counter was the only saving grace in this whole trip . He was pleasant, friendly and very helpful . You couldn’t ask for a better assistance from him .

We transited through Chad and what was supposed to be a 1hr 20 minutes transit time lasted over 4hrs. We didn't get regular updates until we complained. After a 10hr flight from Paris no form of refreshment given and finally arrived Abuja over 6hrs later and none of my bags came

The crew was amazing. Our seats was not very clean and even that was not a full flight but our seats was right beside the WC which did not let us to have a moment of rest.

Excellent service, and came on time! Thank you for your dinner that was chicken with salat/, and 🍰 it was good quality food , the breakfast was very good with good cheese , butter,etc and the tea was very good quality. The space where I was seat was nice so I could stretch my legs. I dit not have the bread as I am in a keto died. Have great time everyone in Scandinavia airline.

The first flight was delayed. We missed the second flight, which was rebooked 9 hours later. We missed all our arrangements for the first day of vacation.

Old plane, food not that great - lacked taste. Crew was nice but strict.

Will not recommend SAS for business travel. Food was so-so. Service was very good. First leg was very good. Second leg from Copenhagen to Barcelona was terrible. We paid a LOT for business class and to have seats worse than most coach seats with no entertainment and no charging available for 1/3rd of the whole trip was not acceptable. Very disappointing. I thought they were coming back in the U.S. with style, NOT YET.

I do not have a problem with the airline but both my two suitcases that were supposed to go from Hawaii to Copenhagen didn’t get on the plane in Seattle. I arrive on Monday the 21st at 10:30 in the morning. I did not get my two suitcases before Friday late afternoon that is unacceptable.

I really enjoyed how clean and big the aircraft was, as well as how friendly the crew was.

Great experience. Typically do klm to Amsterdam but may start taking this flight in future - greatxexperience.

The food was wonderful! The blankets and pillows were a nice touch and the staff were very accommodating, making frequent rounds to offer food, drink, etc. We were also told in advance when to expect meals to arrive, which is thoughtful. I liked the early notification about the lack of headphones as well, although unfortunately I'm not sure we received on for the first leg of the trip, which would have been nice to prepare for. The seats are a bit tight, and the bright monitors on the wall were on during an overnight trip, making it difficult to sleep for those close to them. .

Standard short hop flight. No food, no entertainment. Just get in, get something to drink, and try to be as comfortable as you can for an hour.

I DO NOT recommend Iceland air...missed connecting flight.....paid for isle seat upgrade for health reasons...had to do that over....baggage left in the rain so clothes got soaked other items ruined....called customer * dont care* service

I paid for our seats and when we boarded and went to our seats it was the last row. I would have never paid for my seats knowing I’m sitting in the last row. The airline must have moved our seats and I didn’t realize it when we checked in.

I had no idea that my ticket only paid for my right to get on the plane. They charged me $130 for my carry-on bag because it was 1 inch too big she claimed but it wasn’t! Then they wanted another fee for everything. I had no idea that Icelandair had changed to such a bargain basement airline. I was very disappointed.

The staff was kind and helpful. There was no food, and you needed to bring your own earphones to use the entertainment, which I didn’t know.

Iceland air transfer was bad. They lost my luggage and I just received it 11/1

Seat was hard and uncomfortable and the temperature too warm and uncomfortable.

Everything was good. Only issue comes from being vegan and flying. The food options are super limited.

Overall good for an economy fare. IMO the movie selection could be improved. Great that you can now connect bluetooth headphones to the entertainment system.

7 hours 15 min flight from SEA to Iceland with no inflight entertainment and no power to charge your own devices, also no meal service, not even any snacks/cookies. You have to buy food and the options are extremely limited (i.e. ham and cheese sandwich and spicy cup noodles). I didn't think Iceland air was a budget airline, maybe I was wrong, the cost of the ticket didn't feel like it though.

Very nice flight, easy connections in Keflavík, and friendly crew.

The flight was cancelled, so why are you asking me how the flight was?

It would have been nice if my luggage had made it onto my connecting flight as well. Now I have to wait for my luggage to be delivered and that might take a while, which certainly put a damper on the entire experience.

Biggest gripes were that the seats were extra narrow as the 4-in-the-middle taper down. As with most flight, too little leg room hurts my aging hips. Also changing the flight time to 3 hours earlier meant that we had a terribly long lay-over in one of the world's most boring airports

German crew were very kind. Food was okay but can be better, especially bread was not good, Garbage collection was very poor.

Great! Great staff, great food, great flight :) Keep up the good work!!!

It was good. Nice entertainment selection to keep me busy for the timeframe I wasn't sleeping. Professional, courteous and attentive crew.

They lost my bags and I didn't get them for 4 days after. This also happened to about 30 other people on my flight from fra to MAA (I know bc we were all filing claims in line together from the same flight.)

Flight took off arrive Frankfurt fine ... and then the Pilot parked the plane for 20 minutes while waiting for a steps vehicle to arrive so we all could deplane. This caused us to miss our Naples flight by 6 minutes while running to the next gate.. We are aware of 3 others who also miss their flight. Lufthansa Support said "why miss your flight, your flight arrived on time?" We explained, they provided another flight many hrs later, no meal voucher because our "flight was ontime".

They help we received from the check in crew and boarding cr

Both flights were on time. Great selection of movies on board. My luggage didn't get lost, which made my trip very easy.

Everything you need to know for your flight from Seattle to Denmark

Information on your arrival and departure airports