Cheap flights from Seattle to Boston from $138
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Boston departing on 5/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Seattle to Boston by changing tabs
Find the cheapest one-way flights from Seattle to Boston
If you're looking for one-way flights from Seattle to Boston, view some of our deals below provided by Alaska Airlines, Delta and Spirit Airlines
Search last-minute flights to Boston from Seattle
Find and compare round-trip flight prices for your last-minute flight from Seattle to Boston
Best airlines flying from Seattle to Boston
Compare and see reviews for airlines that fly from Seattle to Boston with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $121 | Free Cancellation | Rating 6.4 8,789 reviews | |||
| PriceFrom $132 | Free Cancellation | Rating 7.4 11,341 reviews | |||
| PriceFrom $133 | Free Cancellation | Rating 7.6 4,671 reviews | |||
| PriceFrom $134 | Free Cancellation | Rating 8.0 11,104 reviews | |||
| PriceFrom $138 | Free Cancellation | Rating 8.1 9,106 reviews | |||
| PriceFrom $147 | Free Cancellation | Rating 7.2 669 reviews | |||
| PriceFrom $243 | Free Cancellation | Rating 7.3 14,963 reviews |
Alaska Airlines Flights From Seattle to Boston
The lowest priced Alaska Airlines flight from Seattle to Boston from the last 72 hours was $138. Generally, Alaska Airlines has 17 flights on this route every week with an average price of $398. Alaska Airlines is rated 8.1/10 by our users.
Delta Flights From Seattle to Boston
The best Delta deal for Seattle to Boston flight tickets found on momondo in the last 72 hours was $134, round-trip. It should be noted that an average Delta flight deal for this route in this time was higher, at $402 round-trip. Delta operates 20 flights out of Seattle into Boston in an average week, so prices vary by time and availability. 11,104 Delta reviews by users on momondo have scored the airline at 8.0/10.
Sun Country Air flights from Seattle to Boston
Our best Sun Country Air deals on Seattle to Boston flight tickets
Alaska Airlines flights from Seattle to Boston
Our best Alaska Airlines deals on Seattle to Boston flight tickets
How to get the cheapest flight ticket from Seattle to Boston
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly from Seattle to Boston?
February. The cheapest time of year to fly to Boston from Seattle is February. Most expensive is June
What is the cheapest day to depart Seattle for Boston?
Wednesday. The cheapest day of the week is typically Wednesday. The most expensive is typically Saturday
When is the cheapest time to fly from Seattle to Boston?
In the afternoon. Seattle to Boston flights are approximately 25% more expensive in the morning than in the afternoon
What is the cheapest airline that flies to Boston from Seattle?
Spirit Airlines. Alaska Airlines, JetBlue, and Spirit Airlines are the most popular carriers operating from Seattle to Boston
What is the cheapest Seattle to Boston flight route?
Seattle/Tacoma Intl - Boston Logan Intl. Fly from Seattle/Tacoma Intl to Boston Logan Intl for the best Seattle - Boston flight prices
How far in advance should you book Seattle to Boston flights?
14 days before. The cheapest time to buy a flight from Seattle to Boston is approximately 14 days to departure
How many flights depart from Seattle to Boston on average per day?
22 flights are operational weekly from Seattle to Boston as of April 2024. The most popular departure time for this route is 2:00PM, with 56% of flights per day taking off in the afternoon.
How many flights depart from Seattle to Boston on average per week?
As of April 2024, 155 flights take off from Seattle and land in Boston each week. The most common flight departure day for this route is Thursday, with 15% of weekly flights taking off on this day.
What cabin class options are available on Seattle to Boston flights?
There are 4 cabin classes available to choose from on Seattle to Boston flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Seattle to Boston flights?
You could potentially save up to 9% on your flight if you consider stops on a Seattle to Boston flight.
Cheap Seattle to Boston (SEA to BOS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Boston
Best Price Found | $138 |
|---|---|
Fastest flight time | 5h 14m |
Direct flights | Every day |
Airports in Boston | 1 airport |
How far is Seattle/Tacoma Intl to Boston Logan Intl by plane?
Boston Logan Intl is 2484.0 mi away from Seattle/Tacoma Intl. A reasonable flight in good conditions will take 5h 15m.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Boston Logan Intl Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Boston Logan Intl Airport refresh daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Boston Logan Intl Airport?
As of April 2024, there are 8 operators available to choose from for flights from Seattle/Tacoma Intl Airport to Boston Logan Intl Airport.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Boston Logan Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Boston Logan Intl Airport.
What documentation or ID do you need to fly to Boston Logan Intl Airport?
The travel and health documents required for your trip to Boston Logan Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Boston Logan Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Why use momondo?
Why should I use momondo to find a flight deal from Seattle to Boston?
It is quick and easy to find Seattle to Boston flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Boston that suits you.
Can I find flights from Seattle to Boston with flexible booking policies on momondo?
All flight searches from Seattle to Boston on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Seattle to Boston?
momondo helps you find the best flight between Seattle and Boston by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Seattle to Boston right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Boston, momondo offers a useful price alert feature which will track prices for flights to Boston from Seattle and alert you when they change.