App
Customer Support
PHP
Find Bookings
Trip.com
>
Flights
>
Flights to Denmark
>
Flights to Sonderborg
>
Flights from Seattle to Sonderborg
Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

Cheap flight deals from Seattle to Sonderborg Starting at PHP 44,622

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • Round-trip
      • SEA02:35 pm
        23h 10m
        2 stops
        SGD10:45 pm
        Mon, Feb 24|Seattle - Sonderborg|Icelandair
        SGD09:30 am
        16h 30m
        2 stops
        SEA05:00 pm
        Mon, Mar 3|Sonderborg - Seattle|Air Alsie
        PHP 44,622PHP 55,723
        20% OFF
        20% OFF
        PHP 55,723PHP 44,622

        Choose Icelandair flights from Seattle to Sonderborg. The one-way connecting flight with Icelandair departs from Seattle-Tacoma International Airport on Mon, Feb 24-Mon, Mar 3, arriving at Sonderborg Airport. One-way Prices start from PHP 44,622 including taxes and charges.

      • SEA08:06 am
        15h 54m
        2 stops
        SGD09:00 am
        Mon, Feb 17|Seattle - Sonderborg|Alaska Airlines
        SGD09:30 am
        19h 30m
        2 stops
        SEA08:00 pm
        Mon, Feb 24|Sonderborg - Seattle|Air Alsie
        PHP 46,279PHP 55,723
        17% OFF
        17% OFF
        PHP 55,723PHP 46,279

        Choose Alaska Airlines flights from Seattle to Sonderborg. The one-way connecting flight with Alaska Airlines departs from Seattle-Tacoma International Airport on Mon, Feb 17-Mon, Feb 24, arriving at Sonderborg Airport. One-way Prices start from PHP 46,279 including taxes and charges.

      • SEA03:35 pm
        23h 10m
        2 stops
        SGD10:45 pm
        Wed, Mar 12|Seattle - Sonderborg|Icelandair
        SGD09:30 am
        16h 30m
        2 stops
        SEA06:00 pm
        Wed, Mar 19|Sonderborg - Seattle|Air Alsie
        PHP 46,510PHP 55,723
        17% OFF
        17% OFF
        PHP 55,723PHP 46,510

        Choose Icelandair flights from Seattle to Sonderborg. The one-way connecting flight with Icelandair departs from Seattle-Tacoma International Airport on Wed, Mar 12-Wed, Mar 19, arriving at Sonderborg Airport. One-way Prices start from PHP 46,510 including taxes and charges.

      • SEA02:35 pm
        23h 10m
        2 stops
        SGD10:45 pm
        Thu, Feb 27|Seattle - Sonderborg|Icelandair
        SGD04:45 pm
        33h 15m
        2 stops
        SEA05:00 pm
        Thu, Mar 6|Sonderborg - Seattle|Air Alsie
        PHP 46,709
        PHP 46,709

        Choose Icelandair flights from Seattle to Sonderborg. The one-way connecting flight with Icelandair departs from Seattle-Tacoma International Airport on Thu, Feb 27-Thu, Mar 6, arriving at Sonderborg Airport. One-way Prices start from PHP 46,709 including taxes and charges.

      • SEA02:35 pm
        16h 25m
        2 stops
        SGD04:00 pm
        Wed, Feb 19|Seattle - Sonderborg|Icelandair
        SGD09:30 am
        16h 30m
        2 stops
        SEA05:00 pm
        Wed, Feb 26|Sonderborg - Seattle|Air Alsie
        PHP 47,833
        PHP 47,833

        Choose Icelandair flights from Seattle to Sonderborg. The one-way connecting flight with Icelandair departs from Seattle-Tacoma International Airport on Wed, Feb 19-Wed, Feb 26, arriving at Sonderborg Airport. One-way Prices start from PHP 47,833 including taxes and charges.

      • SEA03:35 pm
        16h 25m
        2 stops
        SGD04:00 pm
        Tue, Mar 11|Seattle - Sonderborg|Icelandair
        SGD09:30 am
        16h 30m
        2 stops
        SEA06:00 pm
        Tue, Mar 18|Sonderborg - Seattle|Air Alsie
        PHP 48,008
        PHP 48,008

        Choose Icelandair flights from Seattle to Sonderborg. The one-way connecting flight with Icelandair departs from Seattle-Tacoma International Airport on Tue, Mar 11-Tue, Mar 18, arriving at Sonderborg Airport. One-way Prices start from PHP 48,008 including taxes and charges.

      • SEA02:35 pm
        42h 25m
        2 stops
        SGD06:00 pm
        Fri, Feb 21|Seattle - Sonderborg|Icelandair
        SGD07:00 am
        19h
        2 stops
        SEA05:00 pm
        Fri, Feb 28|Sonderborg - Seattle|Air Alsie
        PHP 48,088
        PHP 48,088

        Choose Icelandair flights from Seattle to Sonderborg. The one-way connecting flight with Icelandair departs from Seattle-Tacoma International Airport on Fri, Feb 21-Fri, Feb 28, arriving at Sonderborg Airport. One-way Prices start from PHP 48,088 including taxes and charges.

      • SEA03:35 pm
        16h 25m
        2 stops
        SGD04:00 pm
        Tue, Mar 18|Seattle - Sonderborg|Icelandair
        SGD04:45 pm
        33h 15m
        2 stops
        SEA06:00 pm
        Tue, Mar 25|Sonderborg - Seattle|Air Alsie
        PHP 48,231
        PHP 48,231

        Choose Icelandair flights from Seattle to Sonderborg. The one-way connecting flight with Icelandair departs from Seattle-Tacoma International Airport on Tue, Mar 18-Tue, Mar 25, arriving at Sonderborg Airport. One-way Prices start from PHP 48,231 including taxes and charges.

      • SEA02:35 pm
        19h 10m
        2 stops
        SGD06:45 pm
        Tue, Feb 18|Seattle - Sonderborg|Icelandair
        SGD04:45 pm
        33h 15m
        2 stops
        SEA05:00 pm
        Tue, Feb 25|Sonderborg - Seattle|Air Alsie
        PHP 48,319
        PHP 48,319

        Choose Icelandair flights from Seattle to Sonderborg. The one-way connecting flight with Icelandair departs from Seattle-Tacoma International Airport on Tue, Feb 18-Tue, Feb 25, arriving at Sonderborg Airport. One-way Prices start from PHP 48,319 including taxes and charges.

      • SEA02:35 pm
        16h 25m
        2 stops
        SGD04:00 pm
        Tue, Feb 25|Seattle - Sonderborg|Icelandair
        SGD09:30 am
        16h 30m
        2 stops
        SEA05:00 pm
        Tue, Mar 4|Sonderborg - Seattle|Air Alsie
        PHP 48,351
        PHP 48,351

        Choose Icelandair flights from Seattle to Sonderborg. The one-way connecting flight with Icelandair departs from Seattle-Tacoma International Airport on Tue, Feb 25-Tue, Mar 4, arriving at Sonderborg Airport. One-way Prices start from PHP 48,351 including taxes and charges.

      • SEA01:00 pm
        3h 5m
        Nonstop
        SGD02:00 pm
        Sun, Feb 23|Seattle - Sonderborg|Icelandair
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Seattle to Sonderborg Flight Time

Flight info.
Departure
Arrival
Weekly Schedule

  1. KL6032

    KLM

    02:05 pm

    SEA

    10.0h

    09:05 am

    AMS

    SMTWTFS
    Search

  2. KL1269

    KLM

    09:45 am

    AMS

    1.3h

    11:05 am

    CPH

    SMTWTFS

  3. 6I106

    Air Alsie

    03:15 pm

    CPH

    0.8h

    04:00 pm

    SGD

    SMTWT--

  4. LH491

    Lufthansa

    02:20 pm

    SEA

    9.6h

    08:55 am

    FRA

    S-TWTF-
    Search

  5. LH826

    Lufthansa

    10:10 am

    FRA

    1.4h

    11:35 am

    CPH

    SMTWTFS

  6. 6I106

    Air Alsie

    03:15 pm

    CPH

    0.8h

    04:00 pm

    SGD

    SMTWT--

  7. UA8718

    United Airlines

    02:20 pm

    SEA

    9.8h

    09:10 am

    FRA

    S-TWTF-
    Search

  8. UA9404

    United Airlines

    10:00 am

    FRA

    1.4h

    11:25 am

    CPH

    SMTWTFS

  9. 6I106

    Air Alsie

    03:15 pm

    CPH

    0.8h

    04:00 pm

    SGD

    SMTWT--

  10. FI680

    Icelandair

    03:45 pm

    SEA

    7.5h

    06:15 am

    KEF

    SMTWTFS
    Search

  11. FI204

    Icelandair

    07:40 am

    KEF

    3.3h

    12:55 pm

    CPH

    SMTWTFS

  12. 6I106

    Air Alsie

    03:15 pm

    CPH

    0.8h

    04:00 pm

    SGD

    SMTWT--

  13. UA9413

    United Airlines

    06:50 pm

    SEA

    9.9h

    01:45 pm

    MUC

    -M--T-S
    Search

  14. UA8908

    United Airlines

    10:25 am

    MUC

    1.6h

    12:00 pm

    CPH

    S-TWTFS

  15. 6I106

    Air Alsie

    03:15 pm

    CPH

    0.8h

    04:00 pm

    SGD

    SMTWT--

  16. LH489

    Lufthansa

    06:50 pm

    SEA

    9.8h

    01:40 pm

    MUC

    -M-WT-S
    Search

  17. LH2440

    Lufthansa

    10:25 am

    MUC

    1.6h

    12:00 pm

    CPH

    S-TWTFS

  18. 6I106

    Air Alsie

    03:15 pm

    CPH

    0.8h

    04:00 pm

    SGD

    SMTWT--

  19. SK3645

    Scandinavian Airlines

    07:20 am

    SEA

    2.4h

    09:45 am

    SFO

    S--WTFS
    Search

  20. SK936

    Scandinavian Airlines

    07:40 pm

    SFO

    10.7h

    03:20 pm

    CPH

    S--WTFS

  21. 6I106

    Air Alsie

    03:15 pm

    CPH

    0.8h

    04:00 pm

    SGD

    SMTWT--

  22. SK3433

    Scandinavian Airlines

    07:20 am

    SEA

    5.7h

    04:01 pm

    JFK

    SMTWTFS
    Search

  23. SK916

    Scandinavian Airlines

    06:55 pm

    JFK

    7.8h

    08:40 am

    CPH

    SMTWTFS

  24. 6I102

    Air Alsie

    08:15 am

    CPH

    0.8h

    09:00 am

    SGD

    SMTWT--

  25. SK3351

    Scandinavian Airlines

    07:20 am

    SEA

    5.7h

    03:59 pm

    BOS

    SMTWTFS
    Search

  26. SK928

    Scandinavian Airlines

    05:40 pm

    BOS

    7.4h

    07:05 am

    CPH

    SMTWTFS

  27. 6I102

    Air Alsie

    08:15 am

    CPH

    0.8h

    09:00 am

    SGD

    SMTWT--

  28. AS034

    Alaska Airlines

    10:55 am

    SEA

    5.6h

    07:29 pm

    JFK

    SMTWTFS
    Search

  29. SK916

    Scandinavian Airlines

    06:55 pm

    JFK

    7.8h

    08:40 am

    CPH

    SMTWTFS

  30. 6I102

    Air Alsie

    08:15 am

    CPH

    0.8h

    09:00 am

    SGD

    SMTWT--
Find more flights and airlines

When is the cheapest time to fly from Seattle to Sonderborg?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Seattle (SEA) to Sonderborg (SGD) the cheapest?

    Airlines adjust prices for flights from Seattle to Sonderborg based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Seattle (SEA) to Sonderborg (SGD) cost?

    According to Trip.com's data, the lowest price is around PHP 88,199.

How to find a cheap flight from Seattle to Sonderborg

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Seattle to Sonderborg. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Info | Seattle to Sonderborg

Off-season for travelJanuary
Peak season for travelFebruary
Flight distance7,646.5 km
Popular airlineIcelandair

Contact Us

About

Other Services

Payment Methods
Our Partners
Copyright © 2025 Trip.com Travel Singapore Pte. Ltd. All rights reserved
Site Operator: Trip.com Travel Singapore Pte. Ltd.