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Flights from San Sebastian to Asuncion

Find the cheapest flight options from San Sebastian to Asuncion over the next three months. Book one-way tickets from DKK 4,210 and round-trip tickets from DKK 13,163.

      • EAS 13:40
        21h 50m
        1 stop
        ASU 07:30
        San Sebastian - Asuncion | Thu, Dec 18 | Iberia
        ASU 13:50
        27h
        1 stop
        EAS 20:50
        Asuncion - San Sebastian | Mon, Dec 22 | Air Europa
        DKK 13,163 DKK 16,351
        19% OFF
        19% OFF
        DKK 16,351 DKK 13,163
      • EAS 13:40
        21h 50m
        1 stop
        ASU 07:30
        San Sebastian - Asuncion | Sat, Jan 10 | Iberia
        ASU 13:50
        27h
        1 stop
        EAS 20:50
        Asuncion - San Sebastian | Mon, Jan 12 | Air Europa
        DKK 13,748 DKK 16,351
        16% OFF
        16% OFF
        DKK 16,351 DKK 13,748
      • EAS 09:20
        26h 10m
        1 stop
        ASU 07:30
        San Sebastian - Asuncion | Tue, Dec 23 | Iberia
        ASU 13:50
        19h 10m
        1 stop
        EAS 13:00
        Asuncion - San Sebastian | Sat, Dec 27 | Air Europa
        DKK 15,043 DKK 16,351
        8% OFF
        8% OFF
        DKK 16,351 DKK 15,043
      • EAS 13:00
        17h 25m
        1 stop
        ASU Invalid Date
        San Sebastian - Asuncion | Fri, Dec 19 | Normal Airline
        ASU 15:00
        6h
        Direct
        EAS 16:00
        Asuncion - San Sebastian | Sun, Dec 21 | Normal Airline
        Find More Flights
        Find More Flights
      • EAS 13:40
        21h 50m
        1 stop
        ASU 07:30
        San Sebastian - Asuncion | Tue, Jan 27 | Iberia
        DKK 4,210 DKK 8,938
        53% OFF
        53% OFF
        DKK 8,938 DKK 4,210
      • EAS 09:20
        26h 10m
        1 stop
        ASU 07:30
        San Sebastian - Asuncion | Mon, Jan 5 | Iberia
        DKK 6,529 DKK 8,938
        27% OFF
        27% OFF
        DKK 8,938 DKK 6,529
      • EAS 13:40
        21h 50m
        1 stop
        ASU 07:30
        San Sebastian - Asuncion | Sat, Jan 10 | Iberia
        DKK 7,441 DKK 8,938
        17% OFF
        17% OFF
        DKK 8,938 DKK 7,441
      • EAS 13:40
        21h 50m
        1 stop
        ASU 07:30
        San Sebastian - Asuncion | Sat, Jan 3 | Iberia
        DKK 8,223
        8% OFF
        DKK 8,938 DKK 8,223
      • EAS 13:00
        17h 25m
        1 stop
        ASU Invalid Date
        San Sebastian - Asuncion | Fri, Dec 19 | Normal Airline
        Find More Flights
        Find More Flights

Displayed flight fares from San Sebastian to Asuncion are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight details for San Sebastian to Asuncion

The distance between San Sebastian and Asuncion is 9,512.61km. Based on Trip.com's data, travel demand peaks in January. The off-season for travel is October.

Cheapest one-way flight priceDKK 4,210
Cheapest return ticket priceDKK 13,163
Off-season travel monthOctober
Peak season for travelJanuary
Flight distance9,512.61km
Flight statistics for the San Sebastian–Asuncion route are based on aggregated booking data from Trip.com over the past 12 months.

Find the best time to fly from San Sebastian to Asuncion

The cheapest time for San Sebastian to Asuncion flights: Jan 18 to Jan 25 — one way flight prices from DKK 4,126.

Cheapest flights
From price
Search
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
  • 815
  • 1522

  • Mar

    221
  • 18
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from San Sebastian to Asuncion, calculated over the upcoming 10 weeks.

Flight FAQs

  • Which airlines offer the cheapest flights from San Sebastian (EAS) to Asuncion (ASU)?

    Based on Trip.com data, Iberia offers one-way fares as low as DKK 4,210 on Cheapest nonstop routes (e.g. EAS to ASU on Tue, Jan 27), while Iberia offers Cheapest nonstop round-trips from DKK 13,163 departing on Thu, Dec 18 and returning on Mon, Dec 22.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from San Sebastian to Asuncion is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from San Sebastian to Asuncion, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Jan 27, with one-way flights priced at just DKK 4,210.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Iberia.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Asuncion travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from San Sebastian to Asuncion is October, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from San Sebastian to Asuncion on December 18, 2025 with Iberia, with prices starting at DKK 13,162.
  • The time difference between Asuncion and San Sebastian is 4h.
  • Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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