Cheap flights from Baltimore to Seattle (BWI - SEA)
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The best prices from Baltimore/Washington to Seattle/Tacoma Intl are usually found in October or November, booked 60 days in advance, depart on a Friday or Thursday and return on a Friday
How to find the cheapest flight from
Baltimore (BWI) to Seattle (SEA)
All the information you need to plan the best BWI to SEA flight in 2022: compare Baltimore to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.
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BWI - SEA Price
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$264 - $678
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SEA Temperature
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41 - 66.2 °F
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SEA Rainfall
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0.7 - 6.6 inches
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Popular in June High demand for flights, 44% potential price rise |
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Cheapest in October Best time to find cheap flights, 31% potential price drop |
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Round-trip from $264 From Baltimore/Washington to Seattle/Tacoma Intl |
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One-way from $163 One-way flight from Baltimore/Washington to Seattle/Tacoma Intl |
How far in advance should I book a flight from Baltimore to Seattle?
Travelers have found it’s best to book a flight 36 days in advance to save up to 32% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 36 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Baltimore to Seattle 1-2 weeks in advance for as low as $389, or $461 for flights within the next 24 hours.
What is the cheapest day to fly round-trip from Baltimore to Seattle?
It’s generally more expensive to depart on a Thursday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.
When is the cheapest time to fly from Baltimore to Seattle (BWI - SEA)?
A simple way to save on the total cost of your ticket is to fly from Baltimore to Seattle in the evening. If you’re flexible enough to do this you can expect to save up to 47% on your trip compared to booking a flight in the morning.
What is the cheapest month to fly from Baltimore to Seattle?
The best pricing can be found in the month of October. Prices to Seattle from Baltimore average $361. You can even find prices in October for less than $361, as users have found deals to Seattle from as low as $197. The month of June appears to be one of the more expensive times to travel to Seattle from Baltimore. Flying in the targeted month can save you up to 74%.
Cheap flights from Baltimore to Seattle in July, August 2022
The best prices found for BWI to SEA flights for July, August
Baltimore/Washington to Seattle 2022 flight deals
Cheap flights to Seattle from Baltimore found for this year
Cheap Spirit Airlines flights from Baltimore to Seattle
Cheap American Airlines flights from Baltimore to Seattle
Non-stop flights to Seattle from Baltimore
Save time with Baltimore to Seattle direct flight deals
Last minute flights from Baltimore to Seattle
Late deals on round-trip flights to Seattle from Baltimore, departing today and this week
One-way flights to Seattle/Tacoma Intl from Baltimore
The cheapest one-way flights from Baltimore to Seattle
Related info for your journey
Useful info, stats and facts about <span class="emphasized">Baltimore</span> to <span class="emphasized">Seattle</span> flights.
COVID Restrictions
View COVID Travel Restrictions for Seattle, WAAlternative routes for Baltimore to Seattle
See prices for flight routes from nearby airports that may be better suited for you.
Top 9 airlines flying from Baltimore/Washington to Seattle/Tacoma Intl
The chart below displays the airlines Cheapflights users traveling from Baltimore to Seattle choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
| Airline | Cheapest | Average | Flexibility | On-time | COVID-19 safety | |
|---|---|---|---|---|---|---|
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$12 | $23 | No cancel fee | 66% |
We couldn't confirm the COVID-19 safety measures taken by Juneyao Airlines. Please check directly on their website for additional information. |
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$80 | $308 | No cancel fee | 65% | ||
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$83 | $230 | No cancel fee | 62% | ||
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$132 | $427 | No cancel fee | 71% | ||
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$139 | $433 | No cancel fee | 69% | ||
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$147 | $397 | No cancel fee | N/A | ||
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$161 | $244 | No cancel fee | 62% | ||
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$168 | $398 | No cancel fee | 75% | ||
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$174 | $360 | No cancel fee | 83% |
Popular flight searches
Check out other popular destinations found by fellow travelers in 2022.
Hourly flight availability from Baltimore to Seattle
See what time of day planes typically take off from Baltimore towards Seattle.
| Morning 6 AM to noon | 53% of BWI to SEA departures |
| Early morning Midnight to 6 AM | 32% of BWI to SEA departures |
| Afternoon Noon to 6 PM | 15% of BWI to SEA departures |
| Evening 6 PM to midnight | 0% of BWI to SEA departures |