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Latest Flight Deals from Seattle to Londonderry

Book one-way or return flights from Seattle to Londonderry from as little as €1,099. Choose from the popular airlines below and book your flight today!

  • One way
  • Round-trip
      • SEA21:15
        29h
        1 stop
        LDY10:15
        Mon, Jul 15|Seattle - Londonderry|Air France
        €1,099€1,301
        15% OFF
        15% OFF
        €1,301€1,099
      • SEA13:30
        12h 45m
        1 stop
        LDY10:15
        Mon, Jul 15|Seattle - Londonderry|Iberia
        €1,170€1,301
        10% OFF
        10% OFF
        €1,301€1,170
      • SEA13:00
        3h 5m
        Direct
        LDY14:00
        Wed, Jul 3|Seattle - Londonderry|Air France
        Find More Flights
        Find More Flights

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

Searching for the best last minute flight from Seattle to Londonderry? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from Seattle to Londonderry. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Airlines Flying from Seattle to Londonderry

View airlines operating flights from Seattle to Londonderry. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

WestJet
From €593
Icelandair
From €598
United Airlines
From €640
Air France
From €1,099
Iberia
From €1,170
ANA airlines

Find more flights and airlines

Alternative Routes from Seattle to Londonderry

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Seattle to Londonderry.

  • Cheapest
    WestJet
    SEA
    07:00
    43h 15m
    2 transfer
    LDY
    10:15
    Seattle-Tacoma International Airport - Eglinton Airport
    Mon, Jul 15WestJet
    €593
  • WestJet
    SEA
    07:00
    43h 15m
    2 transfer
    LDY
    10:15
    Seattle-Tacoma International Airport - Eglinton Airport
    Mon, Jul 15WestJet
    €593
    Find More Flights

How do I find the cheapest flights?

  • When are flight tickets from Seattle (SEA) to Londonderry (LDY) the cheapest?

    Airlines adjust prices for flights from Seattle to Londonderry 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 Londonderry (LDY) cost?

    According to Trip.com's data, the lowest price is around €1,171.

  • What is the transportation method from the main airport to downtown in Londonderry?

    • The distance from Eglinton Airport to downtown is about 10km. It takes about 30 minutes by taxi.

How to find a cheap flight from Seattle to Londonderry

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 Londonderry. 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 Information from Seattle to Londonderry

Cheapest nonstop flight price

€1,099

Off-season for travel

April

Peak season for travel

May

Flight distance

7,110.76km

Popular airline

United Airlines

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