Cheap flights from Seattle, WA to Wilmington, DE
Choose between Linear Air, United Airlines, or Delta Air Lines to find the best price
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Tips to know when travelling to Wilmington
Cheapest nonstop round-trip | $331 |
---|---|
Most popular airline | Linear Air |
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Travelers usually depart from Seattle–Tacoma International, Seattle, WA - King Street Station, Seattle, WA - Greyhound Station, Seattle, WA - Ferry Terminal, or Seattle, WA - University of Washington when they travel from Seattle to Wilmington. Book your trip to arrive at Wilmington, DE station, or New Castle Airport. The most popular airlines for this route are Linear Air, United Airlines, Delta Air Lines, and JetBlue Airways. Seattle and Wilmington have 4 direct flights per week.
Check-in for a flight from Seattle to Wilmington
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Linear Air | O2 | Yes | No | |
United Airlines | UAL | UA | Yes | No |
Delta Air Lines | DAL | DL | No | Opens 24 days before flight Closes 1 hours before flight |
JetBlue Airways | JBU | B6 | No | Opens 24 days before flight Closes 2 hours before flight |
Weather in Wilmington
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 3°C | -2°C |
February | 5°C | -2°C |
March | 10°C | 1°C |
April | 16°C | 7°C |
May | 21°C | 12°C |
June | 26°C | 17°C |
July | 29°C | 20°C |
August | 28°C | 19°C |
September | 24°C | 16°C |
October | 18°C | 10°C |
November | 11°C | 4°C |
December | 6°C | 0°C |
14 day forecast
Frequently asked questions
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