Cheap flights from Seattle to Billund from $539
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Billund departing on 7/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Seattle to Billund
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest day to depart on your flight to Billund?
The cheapest day to depart from Seattle to Billund is on a Friday when prices can be found for as low as $676. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Billund for around $1,018.
What is the cheapest time of day to depart on your flight to Billund?
According to our data, the cheapest time of day to fly to Billund is in the morning. momondo users have found flights departing from Seattle to Billund in the morning for as low as $781. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $1,057.
When to book flights from Seattle to Billund
Cheap Seattle to Billund (SEA to BLL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Billund
How far is Seattle/Tacoma Intl to Billund by plane?
The distance between Seattle/Tacoma Intl and Billund is about 4761.2 mi. By plane, this route typically takes 11h 15m.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Billund Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Billund Airport refresh daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Billund Airport?
As of June 2025, there are 3 operators available to choose from for flights from Seattle/Tacoma Intl Airport to Billund Airport.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Billund Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Billund Airport.
What documentation or ID do you need to fly to Billund Airport?
The travel and health documents required for your trip to Billund 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 license, and a passport valid for six-months after you plan to arrive at Billund Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Seattle to Billund?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Seattle to Billund is Delta (42% of total bookings). The next most popular airlines are KLM (39%) and Lufthansa (19%).
Best airlines flying from Seattle to Billund
Compare and see reviews for airlines that fly from Seattle to Billund with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $562 | Free Cancellation | Rating 6.7 7,139 reviews | |||
| PriceFrom $587 | Free Cancellation | Rating 7.8 1,358 reviews | |||
| PriceFrom $592 | Free Cancellation | Rating 8.0 7,946 reviews |
Traveling to a place near Billund?
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Why should I use momondo to find a flight deal from Seattle to Billund?
Finding the right flight to Billund from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Billund quick and easy, saving you time and money.
Can I find flights from Seattle to Billund with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Billund from Seattle with this policy.
How can momondo help me find flights from Seattle to Billund?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Billund from Seattle.
I’m not ready to book a flight from Seattle to Billund right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Billund from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.