>>>>
Flights from Boston to Seattle
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Convenient & reliable booking and payment system
Find cheap one-way flights from Boston to Seattle starting at US$121.
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
- One way
- Round-trip
- BOS19:596h 14mDirectSEA23:13Thu, May 2|Boston - Seattle|Alaska AirlinesUS$121US$15119% OFF19% OFFUS$151US$121
- BOS19:596h 14mDirectSEA23:13Fri, May 3|Boston - Seattle|Alaska AirlinesUS$123US$15119% OFF19% OFFUS$151US$123
- BOS11:307h 50m1 stopSEA16:20Thu, Apr 25|Boston - Seattle|Sun Country AirlinesUS$123US$15118% OFF18% OFFUS$151US$123
- BOS19:356h 19mDirectSEA22:54Fri, May 3|Boston - Seattle|Delta Air LinesUS$124US$124
- BOS06:0012h 40m1 stopSEA15:40Wed, May 1|Boston - Seattle|Jetblue AirwaysUS$124US$124
- BOS17:276h 14mDirectSEA20:41Wed, May 1|Boston - Seattle|Alaska AirlinesUS$124US$124
- BOS19:596h 14mDirectSEA23:13Sat, May 4|Boston - Seattle|Alaska AirlinesUS$124US$124
- BOS12:1711h 38m1 stopSEA20:55Wed, May 8|Boston - Seattle|Spirit AirlinesUS$124US$124
- BOS12:1711h 38m1 stopSEA20:55Wed, May 22|Boston - Seattle|Spirit AirlinesUS$125US$125
- BOS07:0011h 40m1 stopSEA15:40Wed, May 1|Boston - Seattle|American AirlinesUS$126US$126
- BOS13:003h 5mDirectSEA14:00Thu, May 2|Boston - Seattle|Alaska AirlinesFind More FlightsFind More Flights
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
When is the cheapest time to book flights from Boston to Seattle?
We monitor flight fares to help you find the best deals effortlessly
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Cheapest airlines flights from Boston to Seattle
Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Sun Country Airlines
From US$104
Delta Air Lines
From US$124
Spirit Airlines
From US$124
American Airlines
From US$126
Frontier Airlines
From US$141
United Airlines
From US$148
Alaska Airlines
From US$160
Jetblue Airways
From US$162
Southwest Airlines
From US$163
Hawaiian Airlines
From US$562
ANA airlines
Find more flights and airlines
Find cheap flights from Boston to Seattle by different airports
Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Boston to Seattle.
- CheapestBOS12:1011h 25m2 transferSEA20:35General Edward Lawrence Logan International Airport - Seattle-Tacoma International AirportTue, Apr 30Sun Country AirlinesUS$104
- BOS12:1011h 25m2 transferSEA20:35General Edward Lawrence Logan International Airport - Seattle-Tacoma International AirportTue, Apr 30Sun Country AirlinesUS$104Find More Flights
Frequently Asked Questions
How to find a cheap flight from Boston to Seattle
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Boston to Seattle. Book your flights at the right time and save more.
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
Compare Flight Prices
Compare prices on travel agency and airline websites.
Look Out for Deals
Check airline and travel agency websites for latest flight deals
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com
Boston to Seattle Flight Information
Cheapest nonstop flight price | $121 |
---|---|
Cheapest round-trip ticket price | $203 |
Off-season for travel | December |
Peak season for travel | October |
Flight distance | 4,005.09km |
Average flight time | 6 hours 16 minutes |
Popular airline | Alaska Airlines |
Plan Your Trip Around Seattle
More Travel Options
Popular Flights from Boston
- Flights from Boston to San Francisco
- Flights from Boston to Toronto
- Flights from Boston to Hong Kong
- Flights from Boston to Los Angeles
- Flights from Boston to Orlando
- Flights from Boston to Shanghai
- Flights from Boston to Beijing
- Flights from Boston to London
- Flights from Boston to Taipei
- Flights from Boston to New York
- Flights from Boston to Reykjavik
- Flights from Boston to Bangkok
- Flights from General Edward Lawrence Logan International Airport to Rajkot International Airport
- Flights from General Edward Lawrence Logan International Airport to Hong Kong International Airport
- Flights from Hartford Barnes Airport to Hong Kong International Airport
- Flights from General Edward Lawrence Logan International Airport to Shanghai Hongqiao International Airport
- Flights from General Edward Lawrence Logan International Airport to Shanghai Pudong International Airport
- Flights from General Edward Lawrence Logan International Airport to Dubai
- Flights from General Edward Lawrence Logan International Airport to Banda Aceh
- Flights from General Edward Lawrence Logan International Airport to Quanzhou
- Flights from General Edward Lawrence Logan International Airport to Tirupati
- Flights from General Edward Lawrence Logan International Airport to Anshan
- Flights from General Edward Lawrence Logan International Airport to Qinhuangdao
- Flights from Boston to Huizhou Pingtan Airport
- Flights from Boston to Jining Da'an Airport
- Flights from Boston to Kaohsiung International Airport
- Flights from Boston to KNH Airport
- Flights from Boston to Luoyang Beijiao Airport
- Flights from Boston to Lianyungang Huaguoshan Airport
- Flights from General Edward Lawrence Logan International Airport to Beijing Daxing International Airport
Recommended Hotels in Seattle
- Hotels near Kinnear Park
- Hotels near Romax Shoes
- Hotels near Speed E Mart
- Hotels near Foster Island
- Hotels near Timothy De Clue Collection
- Hotels near lululemon
- Hotels near Ursula Judkins Viewpoint
- Hotels near Gargoyles Statuary
- Hotels near Patagonia
- Hotels near The Purple Store
- Hotels near Historic Site of Sick's Stadium
- Hotels near Hugo House
- Hotels near Bootyland
- Hotels near Barboza
- Hotels near Loyal Heights Playfield
- Hotels near Queen Anne Olive Oil
- Hotels near Shelton Eastlake
- Hotels near Louis Vuitton Seattle Nordstrom
- Hotels near Ebbets Field Flannels
- Hotels near Pritchard Beach Bath House
- Hotels near Dolce & Gabbana
- Hotels near Royal Crest Condominium
- Hotels near Saint Spiridon Orthodox Cathedral
- Hotels near Seattle Chinese Alliance Church
- Hotels near YMCA Early Education Center at North Seattle
- Hotels near Roanoke Park
- Hotels near Central Park
- Hotels near Georgetown Steam Plant
- Hotels near KEXP
- Hotels near Seattle Chinatown-International District
Popular Flights to Seattle
- Flights from New York to Seattle
- Flights from Seoul to Seattle
- Flights from Las Vegas to Seattle
- Flights from Hong Kong to Seattle
- Flights from Manila to Seattle
- Flights from Taipei to Seattle
- Flights from Rajkot International Airport to Seattle-Tacoma International Airport
- Flights from Bangkok to Seattle
- Flights from Singapore to Seattle
- Flights from Shanghai to Seattle
- Flights from Tokyo to Seattle
- Flights from Los Angeles to Seattle
- Flights from San Francisco to Seattle
- Flights from Hong Kong International Airport to Seattle
- Flights from Taiwan Taoyuan International Airport to Seattle
- Flights from Narita International Airport to Seattle
- Flights from Shanghai Pudong International Airport to Seattle
- Flights from Ngurah Rai Airport to Seattle
- Flights from Ninoy Aquino International Airport to Seattle
- Flights from Giza Governorate to Seattle-Tacoma International Airport
- Flights from Honolulu to Seattle-Tacoma International Airport
- Flights from Los Angeles to Seattle-Tacoma International Airport
- Flights from San Francisco to Seattle-Tacoma International Airport
- Flights from Vancouver to Seattle-Tacoma International Airport
- Flights from Auckland to Seattle-Tacoma International Airport
- Flights from Hong Kong International Airport to Seattle-Tacoma International Airport
- Flights from Taipei Songshan Airport to Seattle-Tacoma International Airport
- Flights from Taiwan Taoyuan International Airport to Seattle-Tacoma International Airport
- Flights from Suvarnabhumi Airport to Seattle-Tacoma International Airport
- Flights from Don Mueang International Airport to Seattle-Tacoma International Airport
Recommended Routes
- Flights from Los Angeles to Honolulu
- Flights from New York to Los Angeles
- Flights from Los Angeles to New York
- Flights from San Francisco to Los Angeles
- Flights from San Francisco to Las Vegas
- Flights from Los Angeles to Las Vegas
- Flights from Las Vegas to San Francisco
- Flights from San Francisco to New York
- Flights from Las Vegas to Los Angeles
- Flights from Los Angeles to San Francisco
- Flights from New York to Orlando
- Flights from New York to San Francisco
- Flights from Ontario International Airport to Newark Liberty International Airport
- Flights from Los Angeles International Airport to New York LaGuardia Airport
- Flights from Ontario International Airport to New York LaGuardia Airport
- Flights from Ontario International Airport to Stewart Airport
- Flights from Los Angeles International Airport to Des Moines
- Flights from Los Angeles International Airport to New Orleans
- Flights from Los Angeles International Airport to Pullman
- Flights from Los Angeles International Airport to Bemidji
- Flights from Los Angeles International Airport to Hays
- Flights from Los Angeles International Airport to Provincetown
- Flights from Honolulu to Baltimore/Washington Thurgood Marshall International Airport
- Flights from Honolulu to General Edward Lawrence Logan International Airport
- Flights from Honolulu to Eugene Airport
- Flights from Honolulu to Gerald R Ford International Airport
- Flights from Honolulu to Birmingham-Shuttlesworth International Airport
- Flights from Honolulu to Harry Reid International Airport
- Flights from Los Angeles International Airport to John F. Kennedy International Airport
- Flights from Los Angeles International Airport to Newark Liberty International Airport
Payment Methods
Our Partners
Copyright © 2024 Trip.com Travel Singapore Pte. Ltd. All rights reserved
Site Operator: Trip.com Travel Singapore Pte. Ltd.
Site Operator: Trip.com Travel Singapore Pte. Ltd.