Cheap flights from Seattle to Baltimore (SEA - BWI)

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The best prices from Seattle/Tacoma Intl to Baltimore/Washington are usually found in October or September, booked 40 days in advance, depart on a Friday or Thursday and return on a Thursday

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

All the information you need to plan the best SEA to BWI flight in 2022: compare Seattle to Baltimore flight prices with the expected peak season, weather and rainfall in Baltimore.
SEA - BWI
Price
$274 - $757
BWI
Temperature
33.8 - 77 °F
BWI
Rainfall
2.9 - 4.1 inches

Popular in

June

High demand for flights, 46% potential price rise

Cheapest in

October

Best time to find cheap flights, 33% potential price drop

Round-trip from

$274

From Seattle/Tacoma Intl to Baltimore/Washington

One-way from

$141

One-way flight from Seattle/Tacoma Intl to Baltimore/Washington

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

The best pricing can be found in the month of February. Prices to Baltimore from Seattle average $399. You can even find prices in February for less than $399, as users have found deals to Baltimore from as low as $185. The month of June appears to be one of the more expensive times to travel to Baltimore from Seattle. Flying in the targeted month can save you up to 78%.

What is the cheapest day to fly round-trip from Seattle to Baltimore?

Flights from Seattle to Baltimore are found to be more expensive on Saturday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Baltimore.

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

Users have found that booking a flight from Seattle to Baltimore at least 59 days early can save you up to 37% on average compared to booking a flight this week. If booking 59 days before your flight isn’t an option for you, users have found flights from Seattle to Baltimore for as little as $464 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $477 for flights departing within the next 3 days.

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

One of the essential ways to save on airfare from Seattle to Baltimore is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 48% on airfare.

Cheap flights from Seattle to Baltimore in August, September 2022

The best prices found for SEA to BWI flights for August, September
7 Sep - 13 Sep
$198pp
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
17 Sep - 27 Sep
$199pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
20 Sep - 27 Sep
$201pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl

Seattle/Tacoma Intl to Baltimore 2022 flight deals

Cheap flights to Baltimore from Seattle found for this year
8 Nov - 9 Nov
$190pp
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
8 Nov - 16 Nov
$192pp
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
18 Oct - 25 Oct
$194pp
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl

Cheap Spirit Airlines flights from Seattle to Baltimore

27 Oct - 31 Oct
$237pp
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
17 Oct - 19 Oct
$238pp
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
11 Oct - 19 Oct
$239pp
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

Cheap Frontier flights from Seattle to Baltimore

8 Nov - 9 Nov
$190pp
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
8 Nov - 16 Nov
$192pp
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
18 Oct - 25 Oct
$194pp
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl

Non-stop flights to Baltimore from Seattle

Save time with Seattle to Baltimore direct flight deals
4 Nov - 7 Nov
$337pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
2 Nov - 7 Nov
$355pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
24 Jan - 1 Feb
$356pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl

Last minute flights from Seattle to Baltimore

Late deals on round-trip flights to Baltimore from Seattle, departing today and this week
17 Aug - 9 Sep
$302pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
17 Aug - 12 Sep
$303pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
16 Aug - 6 Sep
$306pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl

One-way flights to Baltimore/Washington from Seattle

The cheapest one-way flights from Seattle to Baltimore
6:59 pm - 7:46 am
JetBlue
1 Stop
9h 47m
SEA - BWI
JetBlue
6:10 pm - 2:25 am
Frontier
1 Stop
29h 15m
SEA - BWI
Frontier
$144
Kiwi.com
6:10 pm - 5:01 pm
Multiple Airlines
2 Stops
19h 51m
SEA - BWI
Multiple Airlines
$147
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Seattle</span> to <span class="emphasized">Baltimore</span> flights.

Flight FAQs

From Seattle to Baltimore

What airports do I use to fly from Seattle to Baltimore?

Baltimore/Washington is the airport most travelers will use when flying to Baltimore from Seattle/Tacoma Intl. Booking flights from Seattle/Tacoma Intl (SEA) to Baltimore/Washington (BWI) should be relatively easy as there is 1 daily flight to Baltimore from 10 different airlines. 5h 00m is how long a flight from Seattle to Baltimore/Washington will take if you book a nonstop flight.

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

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

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

Yes, there are multiple flights from Seattle to Baltimore for under $200. The cheapest flight booked recently is on Frontier for just $190, but on average you can expect to pay $208.

Are there nonstop flights from Seattle to Baltimore for under $400 on Cheapflights?

Cheapflights has at least 20 direct flights from Seattle to Baltimore under $400. A good price for a nonstop flight from Seattle to Baltimore is less than $384.

Are there last-minute flights available from Seattle to Baltimore for under $400?

There are currently 20+ open flights from Seattle to Baltimore within the next 7 days for less than $400.

How popular is this Seattle to Baltimore flight route?

This flight path from Seattle/Tacoma Intl to Baltimore/Washington was viewed by 39 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What is the cheapest airline to fly from Seattle to Baltimore round-trip?

Cheapflights users have booked flights from Seattle to Baltimore round-trip from $190. Frontier is priced at 53% lower than the current average price of a flight leaving 3 months from now.

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

The cheapest airlines for a one-way flight from Seattle to Baltimore are Frontier ($115), Spirit Airlines ($118), and JetBlue ($141).

What are the cheapest flights from Seattle to Baltimore?

Looking for the cheapest flight from Seattle to Baltimore? While on average our users pay $1,202, our data indicates the cheapest price to be $166. The most popular route (Seattle/Tacoma Intl - Baltimore/Washington), is priced around $201.

What are the most popular airlines that fly from Seattle to Baltimore?

When booking a flight from Seattle to Baltimore, you may want to consider flying on Undisclosed Carrier, American Airlines or Alaska Airlines as they are the most popular for this route.

COVID Restrictions

View COVID Travel Restrictions for Baltimore, MD

Do I need a COVID test to fly to Baltimore from Seattle?

Information is based on travel restrictions for travel to Baltimore/Washington within the United States

Most visitors from Seattle/Tacoma Intl need to provide a negative COVID-19 test result and/or quarantine to enter Baltimore/Washington.

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl are not required to present a negative COVID-19 PCR test or antigen result upon entering Baltimore/Washington.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Baltimore/Washington.

Do I need a test to fly back to Seattle from Baltimore?

Returning to Seattle/Tacoma Intl from Baltimore/Washington

COVID-19 testing requirements
Visitors from Baltimore/Washington are not required to present a negative COVID-19 PCR test or antigen result upon entering Seattle/Tacoma Intl.

Quarantine requirements
Visitors from Baltimore/Washington are not required to quarantine after entering Seattle/Tacoma Intl.

Hide COVID Travel Restrictions for Baltimore, MD

Alternative routes for Seattle to Baltimore

See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from Seattle/Tacoma Intl to Baltimore/Washington

The chart below displays the airlines Cheapflights users traveling from Seattle to Baltimore 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
Juneyao Airlines
$15 $22 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.

Frontier
$56 $156 No cancel fee 62%
Spirit Airlines
$98 $384 No cancel fee 65%
JetBlue
$122 $192 No cancel fee 62%
American Airlines
$122 $384 No cancel fee 71%
United Airlines
$132 $407 No cancel fee 69%
Delta
$132 $404 No cancel fee N/A
Alaska Airlines
$162 $419 No cancel fee 75%
Sun Country Air
$186 $395 No cancel fee 83%

Hourly flight availability from Seattle to Baltimore

See what time of day planes typically take off from Seattle towards Baltimore.
Morning 6 AM to noon 64% of SEA to BWI departures
Evening 6 PM to midnight 36% of SEA to BWI departures
Early morning Midnight to 6 AM 0% of SEA to BWI departures
Afternoon Noon to 6 PM 0% of SEA to BWI departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Seattle to Baltimore
See how many times per day planes take to the skies headed from Seattle to Baltimore.
Sunday
2 daily flights
Monday
3 daily flights
Tuesday
1 daily flight
Wednesday
2 daily flights
Thursday
1 daily flight
Friday
2 daily flights
Saturday
2 daily flights