DL20 Seat Map — Seattle to London. Delta Air Lines flight DL20 operates from Seattle (SEA) to London (LHR) using a Airbus A330-900 with 281 seats across Business, First, Premium Economy, and Economy.
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This Airbus A330-900 operates Delta Air Lines flight DL20 from Seattle (SEA) to London (LHR). Browse the interactive seat map above to find the best seats for your journey, view real passenger reviews, and explore detailed cabin configurations to make an informed decision for your flight.
Best Seats on DL20
Based on legroom, location, and passenger preferences
Best Window Seats
- Seat 7J Business
- Seat 35J Premium Economy
- Seat 56J Economy
Best Aisle Seats
- Seat 7J Business
- Seat 32C Premium Economy
- Seat 31G Premium Economy
Quietest Seats
- Seat 7J Business
- Seat 30C Premium Economy
- Seat 31C Premium Economy
Recommendations based on seat characteristics, cabin position, and proximity to facilities. Availability may vary by date.