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Best Time to Fly from Seattle to Baltimore
Real weather data for Baltimore by month and real day-of-week fare patterns for this route — so "best time" here means something you can check, not a generic guess.
General booking pattern
Without route-specific fare history, the general industry pattern holds: mid-week flights — especially Tuesday and Wednesday — tend to be cheaper than weekend departures. This is general advice, not a fact about this specific route.
Weather in Baltimore by month
Based on the last 3 years of real historical data. July runs warmest (31°C avg high). October runs driest (~58mm rain).
January
6° / -1°C
~94mm rain
February
10° / 0°C
~72mm rain
March
14° / 4°C
~114mm rain
April
20° / 9°C
~132mm rain
May
23° / 13°C
~138mm rain
June
29° / 19°C
~148mm rain
July
31° / 22°C
~187mm rain
August
29° / 19°C
~100mm rain
September
26° / 17°C
~123mm rain
October
20° / 11°C
~58mm rain
November
14° / 5°C
~63mm rain
December
8° / 0°C
~122mm rain
Nearby airports
Near Seattle
- Boeing Field King County International Airport (BFI)9 km
- Tacoma Narrows Airport (TIW)29 km
- Snohomish County (Paine Field) Airport (PAE)51 km
Near Baltimore
- Ronald Reagan Washington National Airport (DCA)48 km
- Washington Dulles International Airport (IAD)73 km
More about this route
FAQs — Best time to fly Seattle to Baltimore
We don't have a live fare history for this specific route yet — mid-week departures (Tuesday and Wednesday) are typically cheaper as a general industry pattern.