Menu

Cheap flights from Baltimore to Seattle (BWI - SEA)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

The best prices from Baltimore to Seattle are usually found in February or January, booked 44 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

How to find the cheapest flight from
Baltimore (BWI) to Seattle (SEA)

BWI - SEA
Price
$257 - $395
SEA
Temperature
46.4 - 77 °F
SEA
Rainfall
0.7 - 6.5 inches

Popular in

December

High demand for flights, 19% potential price rise

Cheapest in

February

Best time to find cheap flights, 20% potential price drop

Round-trip from

$257

From Baltimore to Seattle

One-way from

$85

One-way flight from Baltimore to Seattle

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Baltimore to Seattle?

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

How far in advance should I book a flight from Baltimore to Seattle?

To save up to 58% on this flight, we recommend booking at least 27 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Baltimore to Seattle from $136 1-2 weeks out and tickets from $197 for flights departing within the next 72 hours.

When is the cheapest time to fly from Baltimore to Seattle (BWI - SEA)?

It’s optimal to fly from Baltimore to Seattle in the evening. By choosing this option you can save up to 43% on the cost of your flight, compared to a flight in the afternoon.

Cheap flights from Baltimore to Seattle in October, November 2020

The best prices found for BWI to SEA flights for October, November
29 Oct - 1 Nov
$143pp
BWI
Baltimore/Washington
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
BWI
Baltimore/Washington
29 Oct - 1 Nov
$149pp
BWI
Baltimore/Washington
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
BWI
Baltimore/Washington
28 Oct - 1 Nov
$154pp
BWI
Baltimore/Washington
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
BWI
Baltimore/Washington

Baltimore to Seattle 2020 flight deals

Cheap flights to Seattle from Baltimore found for this year
29 Oct - 1 Nov
$143pp
BWI
Baltimore/Washington
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
BWI
Baltimore/Washington
29 Oct - 1 Nov
$149pp
BWI
Baltimore/Washington
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
BWI
Baltimore/Washington
28 Oct - 1 Nov
$154pp
BWI
Baltimore/Washington
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
BWI
Baltimore/Washington

Non-stop flights to Seattle from Baltimore

Save time with Baltimore to Seattle direct flight deals
9 Dec - 15 Dec
$277pp
BWI
Baltimore/Washington
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
BWI
Baltimore/Washington
25 Dec - 25 Dec
$279pp
BWI
Baltimore/Washington
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
BWI
Baltimore/Washington
24 Dec - 29 Dec
$281pp
BWI
Baltimore/Washington
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
BWI
Baltimore/Washington

Last minute flights from Baltimore to Seattle

Late deals on round-trip flights to Seattle from Baltimore, departing today and this week
29 Oct - 1 Nov
$143pp
BWI
Baltimore/Washington
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
BWI
Baltimore/Washington
29 Oct - 1 Nov
$149pp
BWI
Baltimore/Washington
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
BWI
Baltimore/Washington
28 Oct - 1 Nov
$154pp
BWI
Baltimore/Washington
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
BWI
Baltimore/Washington

One-way flights to Seattle from Baltimore

The cheapest one-way flights from Baltimore to Seattle
2:47 pm - 3:11 am
Frontier
1 Stop
15h 24m
BWI - SEA
Frontier
$85
Kiwi.com
6:55 am - 1:34 pm
Sun Country Air
1 Stop
9h 39m
BWI - SEA
Sun Country Air
$111
StudentUniverse
1:35 am - 8:42 am
Spirit Airlines
1 Stop
10h 07m
BWI - SEA
Spirit Airlines
$112
FareScan

Related info for your journey

Useful info, stats and facts about Baltimore to Seattle flights.

Flight FAQs

From Baltimore to Seattle

Are flight prices decreasing from Baltimore to Seattle due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Baltimore and Seattle for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Baltimore/Washington to Seattle/Tacoma Intl to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Alaska Airlines, JetBlue, and Delta are some of the many airlines that have done so. Some of the new policies that have been implemented to accommodate travelers flying from Baltimore/Washington to Seattle/Tacoma Intl are improved sanitation, HEPA filters, mask requirements, social distance seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

Which airlines flying from Baltimore/Washington to Seattle/Tacoma Intl have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Spirit Airlines, Alaska Airlines, and Delta flying from Baltimore/Washington to Seattle/Tacoma Intl have implemented new flexible cancellation policies.

Can I find flights from Baltimore to Seattle for under $200 on Cheapflights?

Yes, there are multiple flights from Baltimore to Seattle for under $200. The cheapest flight booked recently is on Frontier for just $143, but on average you can expect to pay $175.

Are there nonstop flights from Baltimore to Seattle for under $300 on Cheapflights?

Cheapflights has at least 20 direct flights from Baltimore to Seattle under $300. A good price for a nonstop flight from Baltimore to Seattle is less than $312.

Are there last-minute flights available from Baltimore to Seattle for under $200?

There are currently 20+ open flights from Baltimore to Seattle within the next 7 days for less than $200.

What days are nonstop flights available from Baltimore to Seattle?

Days when nonstop flights are available for this flight are: Sunday, Tuesday, Thursday, Saturday.

How many flights depart from Baltimore to Seattle on average per day?

On average, you can expect to see 2 flights from Baltimore/Washington to Seattle/Tacoma Intl a day.
Afternoon (Noon - 6pm) - 100% of flight departures

Does it rain more in Baltimore or Seattle?

The rainfall in Baltimore is generally same as the rainfall in Seattle. This will continue over the next 12 days.

Is Baltimore weather warmer or cooler than Seattle?

Our data indicates that the weather will be 90 °F on average in the month of July. The temperature in Seattle is typically colder than in Baltimore. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

How long is the flight from Baltimore to Seattle?

For as low as $202, Sun Country Air can have you in Seattle from Baltimore in 8h 46m. Baltimore and Seattle are separated by a distance of 2342 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Baltimore to Seattle round-trip?

According to our current data, Frontier ($143), Spirit Airlines ($181), and Sun Country Air ($202) offers the cheapest pricing from Baltimore to Seattle. Users have found that Frontier is 55% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Baltimore to Seattle one-way?

$75 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Spirit Airlines and Sun Country Air, with prices starting from $91 and $96, respectively.

Alternative routes for Baltimore to Seattle

Destination information for Seattle

Things to know before you go. Useful info for your trip from Baltimore to Seattle
Average temperature for October in Seattle
60.8 °F
Avg rainfall for October in Seattle
3.5 ″

Airports servicing Baltimore

Airports servicing Seattle

Hourly flight availability from Baltimore to Seattle

Afternoon Noon to 6 PM 100% of BWI to SEA departures
Early morning Midnight to 6 AM 0% of BWI to SEA departures
Morning 6 AM to noon 0% of BWI to SEA departures
Evening 6 PM to midnight 0% of BWI to SEA departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Baltimore to Seattle
Sunday
0 flights
Monday
0 flights
Tuesday
0 flights
Wednesday
1 daily flight
Thursday
1 daily flight
Friday
0 flights
Saturday
0 flights
Home North America USA Washington Seattle Cheap flights from Baltimore to Seattle