Cheap flights from Seattle (SEA) to Derry (LDY)

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How to find the cheapest flight from
Seattle (SEA) to Derry (LDY)

All the information you need to plan the best SEA to LDY flight in 2021: compare Seattle to Derry flight prices with the expected peak season, weather and rainfall in Derry.
When is the cheapest time to fly from Seattle to Londonderry (SEA - LDY)?

When flying from Seattle to Londonderry, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Seattle</span> to <span class="emphasized">Derry</span> flights.

COVID Restrictions

View COVID Travel Restrictions for Derry, Northern Ireland

Do I need a COVID test to fly to Derry from Seattle?

Information is based on travel restrictions from Seattle/Tacoma Intl to Derry

Most visitors from Seattle/Tacoma Intl need to provide a negative COVID-19 test result and/or quarantine to enter Derry.

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Derry.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Derry.

Documents
Mandatory passenger locator form - Submit the form any time in the 48 hours before arriving in the UK. Show the form when checking in your plane, train or ferry to the UK.

Managed quarantine package for Scotland - All travelers arriving directly to Scotland are required to book their Managed Quarantine Package prior to travel.

COVID-19 testing package - All travelers must book and pay for a COVID-19 Testing Package prior to travel to England and Scotland.


Do I need a test to fly back to Seattle from Derry?

Returning to Seattle/Tacoma Intl from Derry

COVID-19 testing requirements
Visitors from Derry must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Seattle/Tacoma Intl.

Quarantine requirements
Visitors from Derry are not required to quarantine after entering Seattle/Tacoma Intl.

Hide COVID Travel Restrictions for Derry, Northern Ireland

Destination information for Derry

Things to know before you go - useful duration and weather info for your trip from Seattle to Derry.
Today's exchange rate
$1 = £0.76
Average temperature for December in Derry
44.6 °F

Airports servicing Seattle

Airports servicing Londonderry