$334 Find Cheap Flights from Spain to Boston

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Boston departing on 10/8. 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.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Boston

 
These are the airlines KAYAK users have selected most often from within our search results for flights to Boston
These are the airlines KAYAK users have selected most often from within our search results for flights to Boston
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Flight Deals

Cheap Flights from Spain to Boston

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Spain to Boston that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Spain to Boston

Thu, Sep 24 - Thu, Oct 8
Iberia Logo
1:25 pm - 7:50 pm
SVQ
-
BOS
12h 25m
1 stop
Iberia Logo
10:55 pm - 11:55 pm
BOS
-
SVQ
19h 00m
1 stop
$487Iberia
Thu, Sep 24 - Mon, Sep 28
American Airlines Logo
9:15 am - 4:10 pm
ALC
-
BOS
12h 55m
1 stop
American Airlines Logo
9:20 pm - 1:05 pm
BOS
-
ALC
9h 45m
1 stop
$494American Airlines
Thu, Sep 24 - Mon, Sep 28
American Airlines Logo
1:25 pm - 7:50 pm
SVQ
-
BOS
12h 25m
1 stop
American Airlines Logo
11:35 am - 12:45 pm
BOS
-
SVQ
19h 10m
2 stops
$494American Airlines
Tue, Sep 15 - Tue, Nov 17
Iberia Logo
7:15 am - 4:10 pm
AGP
-
BOS
14h 55m
2 stops
Iberia Logo
3:52 pm - 12:45 pm
BOS
-
AGP
14h 53m
2 stops
$497Iberia
Thu, Jul 16 - Wed, Jul 29
LEVEL Logo
8:05 am - 9:45 pm
PMI
-
BOS
19h 40m
1 stop
LEVEL Logo
10:55 pm - 12:25 am
BOS
-
PMI
19h 30m
1 stop
$499LEVEL
Thu, Jul 9 - Thu, Jul 23
Air Canada Logo
8:00 am - 9:27 pm
BCN
-
BOS
19h 27m
2 stops
Air Canada Logo
3:35 pm - 8:00 am
BOS
-
BCN
10h 25m
1 stop
$505Air Canada
Thu, Jul 9 - Thu, Jul 23
Air Canada Logo
8:00 am - 9:27 pm
BCN
-
BOS
19h 27m
2 stops
Air Canada Logo
9:35 am - 8:00 am
BOS
-
BCN
16h 25m
2 stops
$510Air Canada
Thu, Jul 16 - Wed, Jul 29
LEVEL Logo
6:40 am - 9:45 pm
AGP
-
BOS
21h 05m
1 stop
LEVEL Logo
10:55 pm - 12:50 am
BOS
-
AGP
19h 55m
1 stop
$525LEVEL
Wed, Aug 26 - Thu, Sep 3
British Airways Logo
8:20 pm - 5:00 pm
VLC
-
BOS
26h 40m
1 stop
British Airways Logo
9:50 pm - 7:35 pm
BOS
-
VLC
15h 45m
1 stop
$534British Airways
Tue, Sep 1 - Tue, Sep 8
British Airways Logo
10:35 am - 5:00 pm
MAD
-
BOS
12h 25m
1 stop
British Airways Logo
11:53 am - 5:35 am
BOS
-
MAD
11h 42m
1 stop
$620British Airways
Booking Insights

KAYAK's insights & trends for flights to Boston

Get data-powered insights and trends for flights to Boston to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest flight to Boston?

These are the best round-trip prices found by users searching on KAYAK in the last 7 days.

In the last 7 days, the cheapest flight deal to Boston was found on the route from Bilbao, at $487 return. The most popular connection is from San Francisco to Boston and KAYAK users have found round-trip deals for as low as $316 in the last 7 days.

How much is a flight to Boston?

The average and cheapest price for all round-trip flights to Boston from each origin found by users searching on KAYAK in the last month.

A flight to Boston costs $637 on average. The cheapest price found on KAYAK in the last 2 weeks cost $270 and departed from Barcelona-El Prat Airport. The most popular routes on KAYAK are Barcelona to Boston which costs $627 on average, and Madrid to Boston, which costs $777 on average.

See prices from:

What is the cheapest day to fly to Boston?

The average price of all round-trip flights to Boston clicked on KAYAK for each day over the last 12 months.

Based on KAYAK data, the cheapest day to fly to Boston is Thursday where round-trip tickets can be as cheap as $603. On the other hand, the most expensive day to fly is Monday, where round-trip prices are $923 on average.

What is the cheapest month to fly to Boston?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights to Boston, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights to Boston is November, where tickets cost $565 on average for return flights. On the other hand, the most expensive months are August and June, where the average cost of tickets from Spain is $777 and $765 respectively. For one-way flights, the best month to travel is September with an average price of $471.

What is the cheapest time of day to fly to Boston?

The average price for all round-trip flights to Boston depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.

The cheapest time of day to fly to Boston is generally in the morning, when round-trip flights cost $766 on average. The most expensive time of day to fly to Boston is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $814.

What is a good deal for flights to Boston?

If you’re looking for cheap airfare to Boston, 25% of our users found tickets to Boston for the following prices or less: From Barcelona-El Prat Airport $541 round-trip, from Madrid $678 round-trip.

How far in advance should I book a flight to Boston?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights to Boston, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price, you should book around 4 weeks before departure, which saves you about 46% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 19 weeks before departure.

Good to know

Low seasonFebruary
Cheapest flight$334
Best time to beat the crowds with an average 20% drop in price.
Most popular time to fly with an average 14% increase in price.
Flight from Bilbao to Boston

Flights from Spain to Boston: the best tips from KAYAK users

Insights shared by verified travelers who flew the route from Spain to Boston 
ErikFlew with Vueling
BCN
-
BOS
Jul 2024
Check in online if you must fly this airline. Avoid excess weight (up to $250 per bag!). Better yet - fly another carrier. Single worst flying experience of my life. And I easily fly 150,000 miles every year with all types of carriers.
CassidyFlew with Iberia
BCN
-
BOS
May 2024
Check to make sure the airline you are booking through is not subcontracting it out to a janky airline to cut costs.

FAQs - booking Boston flights

  • What is the cheapest flight to Boston?

    In the last 7 days, the cheapest flight deal to Boston was found on the route from Bilbao, at $487 return. The most popular connection is from San Francisco to Boston and KAYAK users have found round-trip deals for as low as $316 in the last 7 days.

  • How far is Boston Logan Intl Airport from central Boston?

    Boston Logan Intl Airport is 3 miles from the center of Boston.

  • What is the name of Boston’s airport?

    All flights to Boston land at Boston Logan Intl Airport. The airport code is BOS,and it can also be referred to as Boston Logan, General Edward Lawrence Logan Intl, or Logan Intl.

  • How much is a flight to Boston?

    On average, a flight to Boston costs $637. The cheapest price found on KAYAK in the last 2 weeks cost $270 and departed from Barcelona-El Prat Airport.

  • How does KAYAK find such low prices on flights to Boston?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to Boston.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to Boston?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boston is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights to Boston?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Boston with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to Boston?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Boston up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top tips for finding cheap flights to Boston

  • Looking for cheap airfare to Boston? 25% of our users found round-trip tickets to Boston for the following prices or less: From Madrid $598, from Barcelona-El Prat $818
  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Boston flight deals.

Reviews of the top 4 airlines serving from Spain to Boston

 
See real verified KAYAK customer reviews for airlines flying to Boston. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline from Spain to Boston. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with to Boston? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
DeltaOverall score based on 8419 reviews
8.5Crew
8.1Boarding
7.2Food
7.8Entertainment
7.8Comfort
Airline reviews

No service flight that took 5 hrs and a stop at an unscheduled airport. Crew and pilots did their jobs

6.0 GoodAnonymous, May 2026
ATL - ECP
Read more Delta reviews

No service flight that took 5 hrs and a stop at an unscheduled airport. Crew and pilots did their jobs

Clean planes and not take my comfort class seat away.

Weather caused a long delay, but the efficiency and updates from the pilot were helpful. We were able to make our connection fortunately.

Flight was delayed. Then eventually cancelled. The female staff that was announcing overhead was unprofessional. She was telling everyone that the company is not going to give any money for taxi, hotel etc. then eventually the flight was cancelled.

My service light was on 15 minutes before I had to get up and find a glass of ice. And I was in business class. The meals were not for either my wife and I. She did not eat the entire 10 hour flight and I managed a bowl of soup. I was expecting much more from business with what we paid.

Planes were clean, no water or snacks on either flight.

Free & relatively fast Wi-Fi. Would've liked a wider drink selection.

I continue to be satisfied with Delta’s excellent service out of LGA. The digit id works well and gets me through security in no time. Whenever possible, I choose Delta.

Was revoked with Jet Blue due to delay from Kenya Air

Enjoyed it very much. Especially liked the free WiFi that Delta offers.

The passport control process in Lisbon ranks as a 1 on a 1 to 5 scale. Terrible. In line 2 hours and still missed our first flight. Next day, 1.5 hours but we made the flight. The Business Class food was poor. Unidentifiable. Not tasty at all. Unacceptable in BC. Attendants were adequate. Flight left late and arrived late. After this trip, we will not be flying TAP nor will we be connecting through Lisbon.

On both flights, TAP Air Portugal messed up the seating choices that I paid for. They acknowledged that I had purchased seating, that they were errant in ensuring my choices, but told me nothing could be done about it. When I asked to be refunded, I was directed to "talk to someone from Air Portugal" Mon-Friday, and then I was dismissed. No help, no phone number provided to me. I was very annoyed both times and feel cheated.

Business class seats aren't comfortable. Food was not good.

Didn't make announcements during boarding, flight attendant seemed annoyed when I asked for water. Too many hours between flights. Confusing check in at the Lisbon airport.

Delayed at the beginning and the end and almost missed our connection

The food left a lot to be desired. The crew was great

The crew was great. There was a big guy sitting next to me who was hanging over my side of the armrest the entire time. Maybe some information about "Be considerate of your neighbors, this is tight space, be kind". The breakfast sandwich was not appealing at all.

No difference between business class and normal same seat everything same, waste of money

Kayak let me choose these flights on TAP but then after 2 months, cancelled my flights because they didn't think 90 minutes was enough time for the connection. I notice that neither flight was actually cancelled. Just my reservation. Why let me go through all of that effort to find the right flights for us, only to cancel it from underneath us 2 months later leaving us scrambling to find an alternative?

They allowed me to book the flight, which took quite an effort to find the best option for us, and then 2 months later, cancelled it because they didn't think 90 minutes was enough time to get between connections. Why let me book the flight in the first place? I am somewhat disappointed in Kayak and will be choosing other options in the future

Worst flight I ever experienced, what was supposed to a 7 hour flight ended being 13 hours on a plane with no ac and the worst cabin I have ever seen. Never again.

Excellent plane, 787. Very good seat and additional stuff they provide. Good food. Very good staff.

Excellent except WiFi is a Must on Biz class 10 hour flight ! Didn’t work entire flight. SW doesn’t do that.

Excellent crew, food and service. Boarding via bus is always a pain but overall really good

Stewardess was not attentive at all asked for a bottle of water never came by 15 minutes later I asked her she said that she forgot there was only 12 people in first class and two stewardess unacceptable I ordered the fish was the last person to order. They said that they did not have any had to have a different item pasta at the inside of it because I was diabetic. Worst experience I ever had will never travel this airline again.

Very nice staff, terrible food, not very comfortable premium economy.

Boarding, crew, food and baggage handling excellent (no bags lost, yay!). However for an 8 hour flight, there were limited entertainment options. And really would have liked to have a pillow!

The crew was super friendly and helpful. The food was quite good. An overall positive experience.

A more organized boarding experience and better food would have made the experience better.

why can't planes be boarded from back to front?? everything was great otherwise

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
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Everything you need to know for your flight to Boston

Information on the airport you'll fly into in Boston