Flight tickets from Seattle to Baltimore Washington International

Compare Seattle to Baltimore Washington International flight deals

Find the cheapest month or even day of the year to fly to Baltimore Washington International

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Flight deals from Seattle to Baltimore Washington International Airport

Looking for a cheap last-minute deal or the best return flight from Seattle to Baltimore Washington International Airport? If you want to travel next month, return fares start from ₹ 17,620. Find the lowest prices on one-way and return tickets right here.

Washington D.C..₹ 7,084 per passenger.Departing Fri, 15 May.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Seattle / Tacoma International on Fri, 15 May, arriving in Baltimore Washington International.Price includes taxes and charges.From ₹ 7,084, select.

Washington D.C..₹ 10,357 per passenger.Departing Tue, 9 Jun.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Seattle / Tacoma International on Tue, 9 Jun, arriving in Baltimore Washington International.Price includes taxes and charges.From ₹ 10,357, select.

Washington D.C..₹ 10,382 per passenger.Departing Thu, 27 Aug.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Seattle / Tacoma International on Thu, 27 Aug, arriving in Baltimore Washington International.Price includes taxes and charges.From ₹ 10,382, select.

Washington D.C..₹ 11,285 per passenger.Departing Thu, 9 Jul.One-way flight with United.Outbound indirect flight with United, departs from Seattle / Tacoma International on Thu, 9 Jul, arriving in Baltimore Washington International.Price includes taxes and charges.From ₹ 11,285, select.

Washington D.C..₹ 11,285 per passenger.Departing Fri, 17 Apr.One-way flight with Delta.Outbound indirect flight with Delta, departs from Seattle / Tacoma International on Fri, 17 Apr, arriving in Baltimore Washington International.Price includes taxes and charges.From ₹ 11,285, select.

Washington D.C..₹ 11,312 per passenger.Departing Mon, 14 Sep.One-way flight with Delta.Outbound indirect flight with Delta, departs from Seattle / Tacoma International on Mon, 14 Sep, arriving in Baltimore Washington International.Price includes taxes and charges.From ₹ 11,312, select.

Washington D.C..₹ 13,173 per passenger.Departing Mon, 14 Dec.One-way flight with Delta.Outbound indirect flight with Delta, departs from Seattle / Tacoma International on Mon, 14 Dec, arriving in Baltimore Washington International.Price includes taxes and charges.From ₹ 13,173, select.

Washington D.C..₹ 16,960 per passenger.Departing Wed, 29 Jul.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Seattle / Tacoma International on Wed, 29 Jul, arriving in Baltimore Washington International.Price includes taxes and charges.From ₹ 16,960, select.

Washington D.C..₹ 17,024 per passenger.Departing Mon, 14 Sep.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Seattle / Tacoma International on Mon, 14 Sep, arriving in Baltimore Washington International.Price includes taxes and charges.From ₹ 17,024, select.

Washington D.C..₹ 17,910 per passenger.Departing Mon, 23 Nov.One-way flight with Delta.Outbound indirect flight with Delta, departs from Seattle / Tacoma International on Mon, 23 Nov, arriving in Baltimore Washington International.Price includes taxes and charges.From ₹ 17,910, select.

Washington D.C..₹ 30,018 per passenger.Departing Tue, 31 Mar.One-way flight with Delta.Outbound indirect flight with Delta, departs from Seattle / Tacoma International on Tue, 31 Mar, arriving in Baltimore Washington International.Price includes taxes and charges.From ₹ 30,018, select.

Washington D.C..₹ 33,791 per passenger.Departing Fri, 18 Dec.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Seattle / Tacoma International on Fri, 18 Dec, arriving in Baltimore Washington International.Price includes taxes and charges.From ₹ 33,791, select.

Washington D.C..₹ 37,040 per passenger.Departing Fri, 10 Apr.One-way flight with Hawaiian Airlines.Outbound direct flight with Hawaiian Airlines departs from Seattle / Tacoma International on Fri, 10 Apr, arriving in Baltimore Washington International.Price includes taxes and charges.From ₹ 37,040, select.

Find the cheapest month to fly from Seattle to Baltimore Washington International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle to Baltimore Washington International flights are currently cheapest in May.

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Direct flights from Seattle to Baltimore Washington International

Seattle to Baltimore Washington International: Alternative routes

Compare routes from Seattle to Washington D.C. below. You may find an airport to fly into that's cheaper, faster, or easier than Baltimore Washington International.

Seattle to Washington D.C.: Flight information

The things to know before you go.

Cheapest flight found	₹ 7,084
Cheapest month to fly	May
Average flight time	5 hrs, 7 mins
Most popular airline	Alaska Airlines
Average flights per week	60

Finding cheap flights from Seattle to Baltimore Washington International: Frequently asked questions

How much are return flights from Seattle to Baltimore Washington International?

The best price we found for a return flight from Seattle to Baltimore Washington International is ₹ 17,620. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Seattle to Baltimore Washington International?

5 hours and 7 minutes is the average flight time from Seattle to Baltimore Washington International.

Which airlines fly direct from Seattle to Baltimore Washington International?

Alaska Airlines, Southwest Airlines and Hawaiian Airlines fly direct from Seattle to Baltimore Washington International.

How many flights are there a week from Seattle to Baltimore Washington International?

As of March 2026, there are 60 flights per week flying from Seattle to Baltimore Washington International.

When is the cheapest time to fly from Seattle to Baltimore Washington International?

The cheapest month to fly from Seattle to Baltimore Washington International is usually April.

Which upcoming date is cheapest to fly from Seattle to Baltimore Washington International Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Baltimore Washington International Airport on Friday, 17 April 2026.

Can I get a direct flight from Seattle to Baltimore Washington International Airport?

Yes – the average flight time is 5 hours and 7 minutes.

How can I find the best flight deal to Baltimore Washington International?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Baltimore Washington International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Washington D.C.?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Seattle to Baltimore Washington International with?

The cheapest airline that flies to Baltimore Washington International is Southwest Airlines .

Flying from Seattle to Baltimore Washington International Airport (BWI): What you need to know

Seattle's main airport is Seattle-Tacoma International Airport (SEA). Explore your departure options from this base when searching for flights from Seattle to Baltimore Washington International Airport (BWI).
Expect to be in the air for 5 hours. On average, that's the duration of a direct Seattle to Baltimore Washington International Airport flight.
The timezone in Washington DC is UTC-5, which is three hours ahead of Seattle. Baltimore Washington International Airport is located in Washington DC.
The most popular route is from Seattle-Tacoma International Airport (SEA) to Baltimore Washington International Airport (BWI), with 13 direct services every week. If you want to be on your way right away, the earliest flight from SEA to BWI is the 9:55am Alaska Airlines service. If you're looking to take off later, the last departure is at 10:27pm with Alaska Airlines.
Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for hassle-free flying. Show up at the airport on time to catch your flight from Seattle to BWI.
With more travellers during busy months like July, get to the terminal earlier than usual. Two hours for domestic flights and as much as four for international journeys will help you deal with longer queues. Remember things also get busy during major holidays like Christmas.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

You can hop on a direct flight from Seattle to Baltimore Washington International Airport (BWI) leaving from Seattle-Tacoma International Airport (SEA).
When departing from SEA, you can catch a direct flight from Seattle to Baltimore Washington International Airport with Alaska Airlines.
Most travellers choose to fly with Alaska Airlines between SEA and BWI.
With a reliable 87.97% of services arriving as planned, Alaska Airlines is the most punctual carrier on this route.
The journey from central Seattle to SEA takes about 35 minutes on public transport. If you ride-share, drive or take a taxi, you'll cover the 23 kilometres in 25 minutes or so, depending on traffic.
Looking for a comfortable hotel near Seattle-Tacoma International Airport? If you're catching an early flight from Seattle to Baltimore Washington International Airport, these stays will have you sleeping moments from check-in:
80% of flights departing from Seattle-Tacoma International Airport arrive at their destination on schedule. Given its reliable on-time performance, delays are unlikely when jetting out of SEA.

Seattle Paine Field International Airport (PAE)

On public transport, you can travel from central Seattle to PAE in around 1 hour 30 minutes. The terminal is roughly 40 kilometres away, and getting there by car takes approximately 40 minutes.
Kick off your holiday early with an extra night away from home. Before catching your Seattle to BWI flight, stay in one of these hotels close to Seattle Paine Field International Airport:
Flights from Seattle Paine Field International Airport have a proven record for punctuality, with 80% of them touching down as expected.

About Baltimore Washington International Airport (BWI)

The last thing you need is a lengthy journey to your hotel if you're getting in late on a flight from Seattle to Baltimore Washington International Airport. Check in to one of these accommodation options near BWI instead:
Lock in the best possible rate by reserving your vehicle around two weeks ahead of your Seattle to Baltimore Washington International Airport flight.

Getting from Baltimore Washington International Airport (BWI) to central Washington DC

Baltimore Washington International Airport is around 48 kilometres from central Washington DC. It takes around 40 minutes or so to drive to the city.
If you're travelling on public transport, expect a journey time of about 50 minutes.

How to find the cheapest flights from Seattle to Baltimore Washington International Airport (BWI)

Right now, ₹ 7,084 is the lowest price we've found for a one-way ticket from Seattle to Baltimore Washington International Airport. The cheapest price for a return flight is ₹ 17,620. Remember fares may change due to availability at the time of booking.
Lock in cheap flights from Seattle to BWI by booking one month ahead. According to our research, that's the ideal time frame for picking up a bargain.
Schedule your trip for June. That's the best month for landing the biggest deals on Seattle to Baltimore Washington International Airport tickets. If you have flexibility with your dates, use the 'Whole month' tool to find the lowest price across every month.
There's no need to search every day to find out if prices have dropped when you set up a Price Alert. We'll let you know the moment a new deal shows up on plane tickets from Seattle to BWI.
Find the best deal on a flight from Seattle to Baltimore Washington International Airport with the help of the filters. Choose your ideal departure and arrival times, number of stops and airlines. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest.'

The best time to fly from Seattle to Baltimore Washington International Airport (BWI)

December is the quietest month for flights from Seattle to Baltimore Washington International Airport (BWI), while July is the busiest. Pick the ideal time to go to Washington DC based on whether you prefer a laid-back vibe or a lively atmosphere.
When booking your Seattle to BWI plane ticket, consider the type of weather you enjoy. July is the warmest month in Washington DC, with temperatures ranging from 19ºC to 33ºC.
Search for cheap tickets from Seattle to Baltimore Washington International Airport in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between -6ºC and 10ºC.

More about Washington DC

Start your Washington DC trip right by choosing the ideal place to stay. As soon as you've booked your flight from Seattle to Baltimore Washington International Airport, explore our range of accommodation options including:
There are so many things to discover in this city, it can be hard to figure out where to start. Lincoln Memorial, The White House and Smithsonian National Museum of Natural History are top attractions which should be on every Washington DC itinerary.

Explore more of the United States

Philadelphia is just one of the many cities in the United States waiting to be explored once you've seen Washington DC. Around 153 kilometres away to the northeast, its best attractions include Independence Hall, Liberty Bell and Philadelphia Museum of Art.
If there's time to check out another well-known destination in the United States, consider Virginia Beach, about 274 kilometres south of Washington DC. Virginia Beach Boardwalk, Resort Beach and Neptune's Park are key reasons to visit.