Cheap flights from Seattle to Boston from $43
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 9/11. 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 JetBlue
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Spirit Airlines flights from Seattle to Boston
Our best Spirit Airlines deals on Seattle to Boston flight tickets
Delta flights from Seattle to Boston
Our best Delta 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?
January. The cheapest time of year to fly to Boston from Seattle is January. Most expensive is July
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 Sunday
When is the cheapest time to fly from Seattle to Boston?
In the afternoon. Seattle to Boston flights are approximately 23% more expensive in the morning than in the afternoon
What is the cheapest airline that flies to Boston from Seattle?
Spirit Airlines. Spirit Airlines, American Airlines, and Sun Country Air 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?
31 days before. The cheapest time to buy a flight from Seattle to Boston is approximately 31 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 August 2024. The most popular departure time for this route is 3:00PM, with 45% of flights per day taking off at noon.
How many flights depart from Seattle to Boston on average per week?
As of August 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 28% on your flight if you consider stops on a Seattle to Boston flight.
How have Seattle to Boston flight prices changed over time?
As of August 2024, prices for Seattle to Boston flights are approximately 4% cheaper when compared to flights at the same time last year.
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
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 August 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.
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 $128 | Free Cancellation | Rating 6.3 8,323 reviews | |||
| PriceFrom $142 | Free Cancellation | Rating 7.5 3,826 reviews | |||
| PriceFrom $175 | Free Cancellation | Rating 8.0 9,384 reviews | |||
| PriceFrom $176 | Free Cancellation | Rating 7.1 483 reviews | |||
| PriceFrom $191 | Free Cancellation | Rating 8.0 9,377 reviews | |||
| PriceFrom $237 | Free Cancellation | Rating 7.3 10,000 reviews | |||
| PriceFrom $238 | Free Cancellation | Rating 7.4 9,807 reviews |
Delta Flights From Seattle to Boston
The lowest priced Delta flight from Seattle to Boston from the last 72 hours was $175. Generally, Delta has 20 flights on this route every week with an average price of $424. Delta is rated 8.0/10 by our users.
Alaska Airlines Flights From Seattle to Boston
The best Alaska Airlines deal for Seattle to Boston flight tickets found on momondo in the last 72 hours was $191, round-trip. It should be noted that an average Alaska Airlines flight deal for this route in this time was higher, at $458 round-trip. Alaska Airlines operates 17 flights out of Seattle into Boston in an average week, so prices vary by time and availability. 9,377 Alaska Airlines reviews by users on momondo have scored the airline at 8.0/10.
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.