Cheap flights from Baltimore to Seattle (BWI - SEA) from $105

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/14. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
BWI — SEA
Feb 27 — Mar 51

The best prices from Baltimore/Washington to Seattle/Tacoma Intl are usually found in February or September, booked 87 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap flight deals from Baltimore to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 22, 2024.

Popular in

June

Cheapest in

February

Round-trip from

$243

One-way from

$124
High demand for flights, 34% potential price rise
Best time to find cheap flights, 27% potential price drop
From Baltimore/Washington to Seattle/Tacoma Intl
One-way flight from Baltimore/Washington to Seattle/Tacoma Intl

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

It’s generally more expensive to depart on a Tuesday, 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?

Travelers have found it’s best to book a flight 27 days in advance to save up to 72% 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 27 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 $462, or $638 for flights within the next 24 hours.

What is the cheapest month to fly from Baltimore to Seattle?

The best pricing can be found in the month of January. Prices to Seattle from Baltimore average $404. You can even find prices in January for less than $404, as users have found deals to Seattle from as low as $109. 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 45%.

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 48% on your trip compared to booking a flight in the afternoon.

Cheap Delta flights from Baltimore to Seattle

Explore cheap flight options specifically provided by Delta for the route between Baltimore and Seattle. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,442,422 searches. Data last updated February 22, 2024.
Consider these cheap Delta flights we've found departing from Baltimore to Seattle. Be sure to come back soon if the deals available don't appeal to you at this time.
Fri 4/1910:14 amBWI - SEA
1 stop6h 58mDelta
Sat 4/2012:35 amSEA - BWI
1 stop7h 22mDelta
Deal found 2/21$250
Mon 4/226:15 pmBWI - SEA
1 stop7h 17mDelta
Sun 4/2812:35 amSEA - BWI
1 stop7h 22mDelta
Deal found 2/22$284
Tue 3/512:39 pmBWI - SEA
1 stop8h 31mDelta
Tue 3/197:12 pmSEA - BWI
1 stop7h 28mDelta
Deal found 2/20$289
Fri 3/156:00 amBWI - SEA
1 stop7h 40mDelta
Tue 3/197:12 pmSEA - BWI
1 stop7h 28mDelta
Deal found 2/22$294
Tue 3/56:00 amBWI - SEA
1 stop7h 45mDelta
Wed 3/205:09 pmSEA - BWI
1 stop9h 31mDelta
Deal found 2/20$302
Fri 5/312:02 pmBWI - SEA
1 stop7h 45mDelta
Mon 5/135:10 pmSEA - BWI
1 stop9h 32mDelta
Deal found 2/20$324
Thu 3/78:10 amBWI - SEA
1 stop9h 20mDelta
Tue 3/127:12 pmSEA - BWI
1 stop7h 28mDelta
Deal found 2/21$328
Thu 3/78:10 amBWI - SEA
1 stop9h 20mDelta
Wed 3/137:12 pmSEA - BWI
1 stop7h 28mDelta
Deal found 2/21$333
Mon 3/44:39 pmBWI - SEA
1 stop8h 14mDelta
Mon 3/187:12 pmSEA - BWI
1 stop7h 28mDelta
Deal found 2/20$348

Cheap Frontier flights from Baltimore to Seattle

Explore cheap flight options specifically provided by Frontier for the route between Baltimore and Seattle. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,442,422 searches. Data last updated February 22, 2024.
Take a gander at the lowest prices we've found on Frontier flights from Baltimore to Seattle. Deals frequently update to provide users with more options.
Sat 5/41:00 pmBWI - SEA
1 stop10h 21mFrontier
Tue 5/149:35 pmSEA - BWI
1 stop10h 54mFrontier
Deal found 2/21$197
Wed 5/112:29 pmBWI - SEA
1 stop10h 18mFrontier
Sun 5/129:56 pmSEA - BWI
1 stop11h 04mFrontier
Deal found 2/22$207
Fri 4/1912:29 pmBWI - SEA
1 stop11h 35mFrontier
Mon 4/225:02 pmSEA - BWI
2 stops16h 00mFrontier
Deal found 2/20$209
Fri 5/1012:29 pmBWI - SEA
1 stop11h 35mFrontier
Sun 5/129:56 pmSEA - BWI
1 stop11h 04mFrontier
Deal found 2/20$211

Cheap Baltimore to Seattle flights in February & March 2024

Find cheap flight options from Baltimore to Seattle specifically for the months of February and March 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,442,422 searches. Prices were last updated on February 22, 2024.
Scroll through some of the best deals on flights from Baltimore to Seattle in 2024. Check back soon for alternative fares.
Mon 3/183:34 pmBWI - SEA
2 stops31h 47mMultiple Airlines
Tue 4/910:12 pmSEA - BWI
1 stop10h 17mMultiple Airlines
Deal found 2/21$202
Tue 3/57:40 amBWI - SEA
2 stops29h 31mSpirit Airlines
Tue 4/309:12 pmSEA - BWI
1 stop13h 13mSpirit Airlines
Deal found 2/21$210
Tue 3/1210:23 pmBWI - SEA
2 stops14h 48mSpirit Airlines
Tue 3/269:17 pmSEA - BWI
1 stop13h 15mSpirit Airlines
Deal found 2/21$212
Tue 3/55:30 amBWI - SEA
3 stops31h 41mSpirit Airlines
Mon 3/188:59 pmSEA - BWI
2 stops21h 46mSpirit Airlines
Deal found 2/20$213
Wed 2/287:53 amBWI - SEA
2 stops27h 51mSpirit Airlines
Tue 3/58:38 pmSEA - BWI
2 stops20h 48mSpirit Airlines
Deal found 2/21$216
Tue 3/1210:23 pmBWI - SEA
2 stops24h 58mSpirit Airlines
Tue 3/269:17 pmSEA - BWI
2 stops21h 38mSpirit Airlines
Deal found 2/21$220
Mon 3/45:57 pmBWI - SEA
3 stops43h 14mSpirit Airlines
Mon 3/188:59 pmSEA - BWI
2 stops21h 46mSpirit Airlines
Deal found 2/20$223
Tue 3/1210:23 pmBWI - SEA
2 stops24h 58mSpirit Airlines
Tue 3/269:17 pmSEA - BWI
1 stop13h 15mSpirit Airlines
Deal found 2/21$227
Tue 3/57:40 amBWI - SEA
2 stops29h 31mSpirit Airlines
Tue 4/309:12 pmSEA - BWI
2 stops17h 01mSpirit Airlines
Deal found 2/21$228

Baltimore to Seattle 2024 flight deals

Discover exclusive flight deals for travel between Baltimore and Seattle in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,442,422 searches. Data last updated February 22, 2024.
Scroll through some of the best deals on flights from Baltimore to Seattle in 2024. Check back soon for alternative fares.
Sat 4/201:00 pmBWI - SEA
1 stop10h 06mFrontier
Tue 4/239:35 pmSEA - BWI
2 stops18h 57mFrontier
Deal found 2/22$146
Sat 4/201:00 pmBWI - SEA
1 stop10h 06mFrontier
Tue 4/239:35 pmSEA - BWI
1 stop10h 54mFrontier
Deal found 2/22$147
Sat 5/41:00 pmBWI - SEA
1 stop10h 32mFrontier
Tue 5/79:35 pmSEA - BWI
1 stop10h 54mFrontier
Deal found 2/21$160
Sat 5/41:00 pmBWI - SEA
1 stop10h 32mFrontier
Tue 5/79:35 pmSEA - BWI
2 stops14h 41mFrontier
Deal found 2/21$165
Sat 4/271:00 pmBWI - SEA
1 stop10h 32mFrontier
Mon 4/295:02 pmSEA - BWI
2 stops16h 00mFrontier
Deal found 2/21$167
Sat 4/201:00 pmBWI - SEA
1 stop10h 06mFrontier
Thu 4/2510:04 pmSEA - BWI
1 stop10h 25mFrontier
Deal found 2/21$168
Sat 4/271:00 pmBWI - SEA
1 stop10h 21mFrontier
Tue 4/309:35 pmSEA - BWI
1 stop10h 54mFrontier
Deal found 2/21$170
Sat 4/271:00 pmBWI - SEA
1 stop10h 21mFrontier
Tue 4/309:35 pmSEA - BWI
2 stops15h 41mFrontier
Deal found 2/21$171
Sat 4/271:00 pmBWI - SEA
1 stop10h 32mFrontier
Fri 5/310:34 pmSEA - BWI
1 stop10h 26mFrontier
Deal found 2/22$174

Non-stop flights to Seattle from Baltimore

Discover non-stop flight options from Baltimore to Seattle. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 3,442,422 searches. Data last updated February 22, 2024.
For a quicker trip, book one of these direct flights from Baltimore to Seattle. Search for alternative flights from Baltimore to Seattle by utilizing the search form above.
Tue 4/236:58 pmBWI - SEA
Nonstop5h 39mAlaska Airlines
Wed 4/249:45 pmSEA - BWI
Nonstop5h 05mAlaska Airlines
Deal found 2/20$257
Wed 4/246:58 pmBWI - SEA
Nonstop5h 39mAlaska Airlines
Sat 4/279:45 pmSEA - BWI
Nonstop5h 05mAlaska Airlines
Deal found 2/22$267
Wed 5/16:58 pmBWI - SEA
Nonstop5h 39mAlaska Airlines
Wed 5/89:45 pmSEA - BWI
Nonstop5h 05mAlaska Airlines
Deal found 2/20$282
Tue 4/166:58 pmBWI - SEA
Nonstop5h 39mAlaska Airlines
Fri 4/199:50 amSEA - BWI
Nonstop5h 08mAlaska Airlines
Deal found 2/21$293
Thu 4/186:58 pmBWI - SEA
Nonstop5h 39mAlaska Airlines
Sat 4/209:45 pmSEA - BWI
Nonstop5h 05mAlaska Airlines
Deal found 2/22$303
Wed 5/16:58 pmBWI - SEA
Nonstop5h 39mAlaska Airlines
Tue 5/79:50 amSEA - BWI
Nonstop5h 08mAlaska Airlines
Deal found 2/22$307
Thu 4/186:58 pmBWI - SEA
Nonstop5h 39mAlaska Airlines
Tue 4/239:50 amSEA - BWI
Nonstop5h 08mAlaska Airlines
Deal found 2/20$318
Mon 4/86:59 pmBWI - SEA
Nonstop5h 51mAlaska Airlines
Tue 4/169:45 pmSEA - BWI
Nonstop5h 05mAlaska Airlines
Deal found 2/21$327
Fri 4/196:58 pmBWI - SEA
Nonstop5h 39mAlaska Airlines
Sat 4/279:50 amSEA - BWI
Nonstop5h 08mAlaska Airlines
Deal found 2/22$329

Baltimore to Seattle flights leaving soon

Find last-minute flight options from Baltimore to Seattle for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,442,422 searches. Data last updated February 22, 2024.
Consider one of these great deals we found on last-minute flights from Baltimore to Seattle. Users should be sure to double check the price, date, and time of their last-minute flight.
Tue 3/57:40 amBWI - SEA
2 stops29h 31mSpirit Airlines
Tue 4/309:12 pmSEA - BWI
1 stop13h 13mSpirit Airlines
Deal found 2/21$210
Tue 3/55:30 amBWI - SEA
3 stops31h 41mSpirit Airlines
Mon 3/188:59 pmSEA - BWI
2 stops21h 46mSpirit Airlines
Deal found 2/20$213
Wed 2/287:53 amBWI - SEA
2 stops27h 51mSpirit Airlines
Tue 3/58:38 pmSEA - BWI
2 stops20h 48mSpirit Airlines
Deal found 2/21$216
Mon 3/45:57 pmBWI - SEA
3 stops43h 14mSpirit Airlines
Mon 3/188:59 pmSEA - BWI
2 stops21h 46mSpirit Airlines
Deal found 2/20$223
Tue 3/55:30 amBWI - SEA
3 stops31h 41mSpirit Airlines
Tue 3/199:17 pmSEA - BWI
1 stop13h 15mSpirit Airlines
Deal found 2/20$227
Tue 3/57:40 amBWI - SEA
2 stops29h 31mSpirit Airlines
Tue 4/309:12 pmSEA - BWI
2 stops17h 01mSpirit Airlines
Deal found 2/21$228
Tue 3/56:25 amBWI - SEA
2 stops40h 25mMultiple Airlines
Tue 3/129:17 pmSEA - BWI
1 stop13h 15mMultiple Airlines
Deal found 2/21$230
Tue 3/55:30 amBWI - SEA
3 stops31h 41mSpirit Airlines
Mon 3/188:59 pmSEA - BWI
1 stop13h 33mSpirit Airlines
Deal found 2/20$232
Tue 3/57:40 amBWI - SEA
2 stops29h 31mSpirit Airlines
Tue 4/309:38 amSEA - BWI
3 stops33h 53mSpirit Airlines
Deal found 2/21$234

One-way flights to Seattle from Baltimore

Search for one-way flight options from Baltimore to Seattle. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,442,422 searches. Data last updated February 22, 2024.
Users in need of a one-way flight from Baltimore to Seattle can choose from these deals. Users in need of a round-trip flight from Baltimore to Seattle instead should update the search form at the top of page.
Tue 5/146:50 amBWI - SEA
2 stops29h 05mMultiple Airlines
Deal found 2/21$105
Tue 3/56:25 amBWI - SEA
2 stops40h 25mMultiple Airlines
Deal found 2/21$107
Wed 3/206:45 amBWI - SEA
2 stops17h 09mFrontier
Deal found 2/21$111
Wed 5/152:21 pmBWI - SEA
1 stop9h 34mSpirit Airlines
Deal found 2/21$112
Wed 4/1012:29 pmBWI - SEA
2 stops23h 06mFrontier
Deal found 2/20$114
Tue 3/121:34 pmBWI - SEA
2 stops23h 37mMultiple Airlines
Deal found 2/21$115
Mon 4/1511:50 amBWI - SEA
1 stop23h 55mSpirit Airlines
Deal found 2/21$118
Sat 5/111:00 pmBWI - SEA
1 stop10h 32mFrontier
Deal found 2/22$119
Tue 3/511:43 amBWI - SEA
3 stops35h 07mMultiple Airlines
Deal found 2/21$122

Find flights from Baltimore to Seattle within your budget

Customize your flight search to find flights from Baltimore to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,442,422 searches. Data last updated February 22, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$197 - $287

Route

Depart

Return

Price

Baltimore/WashingtonSeattle/Tacoma Intl

BWI - SEA

BWISEA

Baltimore/Washington

Sat 5/4

1 stop10h 21m

Seattle/Tacoma Intl

Tue 5/14

1 stop10h 54m

$197

Baltimore/WashingtonSeattle/Tacoma Intl

BWI - SEA

BWISEA

Baltimore/Washington

Tue 4/16

1 stop8h 57m

Seattle/Tacoma Intl

Fri 4/19

1 stop14h 57m

$198

Baltimore/WashingtonSeattle/Tacoma Intl

BWI - SEA

BWISEA

Baltimore/Washington

Mon 3/18

2 stops31h 47m

Seattle/Tacoma Intl

Tue 4/9

1 stop10h 17m

$202

Baltimore/WashingtonSeattle/Tacoma Intl

BWI - SEA

BWISEA

Baltimore/Washington

Wed 5/1

1 stop10h 18m

Seattle/Tacoma Intl

Sun 5/12

1 stop11h 04m

$207

Baltimore/WashingtonSeattle/Tacoma Intl

BWI - SEA

BWISEA

Baltimore/Washington

Tue 3/5

2 stops29h 31m

Seattle/Tacoma Intl

Tue 4/30

1 stop13h 13m

$210

Baltimore/WashingtonSeattle/Tacoma Intl

BWI - SEA

BWISEA

Baltimore/Washington

Tue 3/12

2 stops14h 48m

Seattle/Tacoma Intl

Tue 3/26

1 stop13h 15m

$212

Baltimore/WashingtonSeattle/Tacoma Intl

BWI - SEA

BWISEA

Baltimore/Washington

Fri 4/19

1 stop6h 58m

Seattle/Tacoma Intl

Sat 4/20

1 stop7h 22m

$250

Baltimore/WashingtonSeattle/Tacoma Intl

BWI - SEA

BWISEA

Baltimore/Washington

Tue 4/23

Nonstop5h 47m

Seattle/Tacoma Intl

Sat 4/27

Nonstop5h 05m

$267

Baltimore/WashingtonSeattle/Tacoma Intl

BWI - SEA

BWISEA

Baltimore/Washington

Tue 4/30

2 stops12h 58m

Seattle/Tacoma Intl

Fri 5/10

1 stop10h 32m

$287

Flights are sorted by cheapest first

Deals found on 2/21

When is the best time to book a flight from Baltimore to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Baltimore to Seattle. Price data was last updated on January 28, 2024.
The best time to book flights from Baltimore to Seattle is 87 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

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

Use this chart to determine the cheapest time to fly round-trip from Baltimore to Seattle. Price data was last updated on February 18, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Baltimore to Seattle flight should consider departing on Wednesday evenings when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Seattle by month

Plan your trip from Baltimore to Seattle by taking into account the cheapest months to travel. The average price of a one-way flight from Baltimore to Seattle is currently $114 while a round-trip flight costs $226. Price data was last updated on February 18, 2024.

Currently, December is the cheapest month in which you can book a flight from Baltimore to Seattle (average of $243). Flying from Baltimore to Seattle in June is currently the most expensive (average of $424). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$247

February

$254

March

$283

April

$299

May

$338

June

$424

July

$414

August

$347

September

$278

October

$257

November

$258

December

$243

Temperature and rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average temperature and rainfall totals by month.

SEA

Temperature

41 - 66.2 °F

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated February 22, 2024.
Peruse reviews from past customers who have flown with Delta, Frontier and Spirit Airlines from Baltimore to Seattle to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
9,274 reviews

Food

7.4

Crew

8.6

Entertainment

7.4

Comfort

7.9

Overall

8.1

Boarding

8.2

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

8.1
Very good
9,274 reviews
8.1
Very good
9,274 reviews

Food

7.4

Crew

8.6

Entertainment

7.4

Comfort

7.9

Overall

8.1

Boarding

8.2

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

8.1
Very good
11,921 reviews
8.1
Very good
9,274 reviews

Food

7.4

Crew

8.6

Entertainment

7.4

Comfort

7.9

Overall

8.1

Boarding

8.2

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

7.4
Good
11,872 reviews
8.1
Very good
9,274 reviews

Food

7.4

Crew

8.6

Entertainment

7.4

Comfort

7.9

Overall

8.1

Boarding

8.2

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

7.3
Good
15,643 reviews
8.1
Very good
9,274 reviews

Food

7.4

Crew

8.6

Entertainment

7.4

Comfort

7.9

Overall

8.1

Boarding

8.2

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

7.3
Good
733 reviews
8.1
Very good
9,274 reviews

Food

7.4

Crew

8.6

Entertainment

7.4

Comfort

7.9

Overall

8.1

Boarding

8.2

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

Related info for your journey

Find useful and relevant information for your journey from Baltimore to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

To fly from Baltimore to Seattle, you need to book a flight from Baltimore/Washington (BWI) to Seattle/Tacoma Intl (SEA). Nonstop flights to Seattle/Tacoma Intl from Baltimore/Washington take 5h 39m on average. When it comes time to book airfare, you have a few options: there is 1 outbound flight from Baltimore/Washington to Seattle/Tacoma Intl offered by 8 different airlines.

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 $197, but on average you can expect to pay $211.

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 $340.

Are there last-minute flights available from Baltimore to Seattle for under $300?

There are currently 20+ open flights from Baltimore to Seattle within the next 7 days for less than $300.

What days are nonstop flights available from Baltimore to Seattle?

Nonstop flights are available for this route on the following days: Sunday, Monday, Tuesday, Friday, Saturday.

How popular is this Baltimore to Seattle flight route?

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

On average, you can expect to see 5 flights from Baltimore to Seattle a day.
Evening (6pm - Midnight) - 100% of flight departures

How long is the flight from Baltimore to Seattle?

For as low as $197, Frontier can have you in Seattle from Baltimore in 10h 21m. 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 ($197), and Spirit Airlines ($210) offers the cheapest pricing from Baltimore to Seattle. Frontier is 54% cheaper than the average price of flights available within the next 90 days to this destination.

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

One-way options have recently been found by users for as low as $111 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $112 and American Airlines from $124 one-way.

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

What are the cheapest flights from Baltimore to Seattle?

The cheapest flight price from Baltimore to Seattle is $164. On average you can expect to pay $817. The most popular route, (Baltimore/Washington - Seattle/Tacoma Intl), can usually be booked for $168.

What does BWI to SEA mean?

These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Baltimore/Washington Airport to Seattle/Tacoma Intl Airport flight would often be abbreviated as a BWI to SEA flight.

Where are the most common layover locations when flying from Baltimore to Seattle?

What are some popular things to do or see while on a layover in Chicago?

Most Chicago visitors opt to spend their time experiencing Magnificent Mile, Grant Park, and River North. Magnificent Mile, Grant Park, and River North are located about 15.5 mi, 16.2 mi, and 15.0 mi, respectively from Chicago O'Hare Intl. Travelers can rent a car at Chicago O'Hare Intl for an average daily rate of $55 to make sightseeing during their layover a little easier.

What are some popular points of interest to see during a layover in Charlotte?

The majority of Charlotte visitors spend their time at Carowind, NASCAR Hall of Fame, and North Carolina Blumenthal Performing Arts Center. Carowind, NASCAR Hall of Fame and North Carolina Blumenthal Performing Arts Center are located about 8.2 mi, 5.7 mi, and 5.8 mi, respectively from Charlotte Douglas if you are interested in checking them out. Those looking to explore during their layover in Charlotte can rent a car from Charlotte Douglas for about $51 per day.

Where are the least popular layover locations for Baltimore to Seattle flights?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 8 airlines flying from Baltimore to Seattle

Discover the top 8 airlines that operate flights from Baltimore to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,442,422 searches. Data last updated February 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$119Average$196FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FrontierCheapest$140Average$255FlexibilityNo cancel feeOn-time62%
Search Frontier flights
United AirlinesCheapest$170Average$442FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Alaska AirlinesCheapest$179Average$495FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Spirit AirlinesCheapest$188Average$324FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
Sun Country AirCheapest$199Average$468FlexibilityNo cancel feeOn-time83%
Search Sun Country Air flights
DeltaCheapest$212Average$436FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$225Average$377FlexibilityNo cancel feeOn-time71%
Search American Airlines flights