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BOS - BIO

Find cheap flights from Boston to Bilbao from $322

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Boston to Bilbao departing on 7/8. 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
0 bags
Sun 5/26
Sun 6/2

Search hundreds of travel sites at once for deals on flights to Bilbao

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to Bilbao.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to Bilbao.
In the last 7 days travelers have searched 44,335,567 times on KAYAK, and here is why:

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Cheap flight deals from Boston to Bilbao (BOS-BIO)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Boston to Bilbao 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 and deals for you by selecting your travel dates.
Choose your dates
8:05 pm - 11:00 pmBOS-BIO
20h 55m1 stop
2:20 pm - 9:15 pmBIO-BOS
12h 55m1 stop
Mon, May 6 - Wed, May 22
7:15 pm - 6:25 pmBOS-BIO
17h 10m2 stops
1:50 pm - 9:20 pmBIO-BOS
13h 30m1 stop
Tue, May 7 - Mon, May 13
10:55 pm - 8:15 amBOS-BIO
27h 20m1 stop
7:40 am - 9:10 pmBIO-BOS
19h 30m1 stop
$777Vueling
Find Deal
Mon, Jul 15 - Wed, Jul 24
8:05 pm - 11:25 pmBOS-BIO
21h 20m1 stop
6:35 pm - 5:50 pmBIO-BOS
29h 15m1 stop
$781Lufthansa
Find Deal
Tue, Jun 4 - Mon, Jul 1
8:40 pm - 5:50 pmBOS-BIO
15h 10m1 stop
11:35 am - 6:25 pmBIO-BOS
12h 50m1 stop
$787Lufthansa
Find Deal
Fri, May 17 - Tue, May 28
10:55 pm - 6:55 pmBOS-BIO
14h 00m1 stop
7:55 pm - 9:10 pmBIO-BOS
31h 15m1 stop
$813Vueling
Find Deal
Tue, Jul 2 - Tue, Aug 6
4:40 pm - 8:30 amBOS-BIO
9h 50m1 stop
7:10 am - 9:10 pmBIO-BOS
20h 00m1 stop
$853Iberia
Find Deal
Sun, Jun 2 - Thu, Jul 4
4:40 pm - 12:55 pmBOS-BIO
14h 15m1 stop
9:15 am - 3:05 pmBIO-BOS
11h 50m1 stop
$882Iberia
Find Deal
Wed, May 22 - Tue, May 28
5:15 pm - 9:55 amBOS-BIO
10h 40m1 stop
7:10 am - 1:45 pmBIO-BOS
12h 35m1 stop
$1,062Delta
Find Deal
Sat, Jun 29 - Tue, Jul 9
5:15 pm - 9:55 amBOS-BIO
10h 40m1 stop
10:30 am - 8:35 pmBIO-BOS
16h 05m1 stop
$1,076Delta
Find Deal
Mon, Jul 1 - Tue, Jul 9

Flights from Boston to Bilbao - Travel Insights & Trends

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

What’s the cheapest day of the week to fly from Boston to Bilbao?

The average price of all flights from Boston to Bilbao clicked on KAYAK for each day over the last 12 months.
If your flying dates are flexible, you should consider flying to Bilbao on a Wednesday, as we generally find the cheapest rates on that day for this route. On the other hand, Monday is the most expensive day to fly from Boston to Bilbao. For your return ticket, we recommend flying on a Tuesday and avoiding Sundays for the best deals.

What is the cheapest month to fly from Boston to Bilbao?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Boston to Bilbao, 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 from Boston to Bilbao is February, where tickets cost $625 on average. On the other hand, the most expensive months are June and December, where the average cost of tickets is $1,238 and $1,139 respectively.

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

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Boston to Bilbao, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Boston to Bilbao, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 88 days before departure.

Which airlines provide the cheapest flights from Boston to Bilbao?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
The cheapest return flight ticket from Boston to Bilbao found by KAYAK users in the last 72 hours was for $730 on SWISS, followed by Air France ($731). One-way flight deals have also been found from as low as $329 on Vueling and from $565 on Iberia.

Good to know

Low season

January

High season

July

Cheapest flight

$322
Best time to beat the crowds with an average 26% drop in price.
Most popular time to fly with an average 25% increase in price.
Flight from Boston to Bilbao

When to book flights from Boston to Bilbao

Are your dates flexible? Find out the best times to travel from Boston to Bilbao based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Boston to Bilbao

  • What is the cheapest flight from Boston to Bilbao?

    In the last 3 days, the lowest price for a flight from Boston to Bilbao was $322 for a one-way ticket and $514 for a round-trip.

  • Do I need a passport to fly between Boston and Bilbao?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Boston and on arrival in Bilbao.

  • Which airports will I be using when flying from Boston to Bilbao?

    Boston airport is called Boston Logan Intl and the only airport in Bilbao is Bilbao.

  • Which aircraft models fly most regularly from Boston to Bilbao?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Boston to Bilbao?

    oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between Boston and Bilbao, with Star Alliance being the most commonly used for this route.

  • Which is the best airline for flights from Boston to Bilbao, Delta or KLM?

    The two airlines most popular with KAYAK users for flights from Boston to Bilbao are Delta and KLM. With an average price for the route of $881 and an overall rating of 8.0, Delta is the most popular choice. KLM is also a great choice for the route, with an average price of $907 and an overall rating of 7.8.

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

    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 from Boston to Bilbao.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Bilbao from 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 from Boston to Bilbao?

    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 Bilbao with an airline and back to Boston with another airline. Booking your flights between Boston and BIO can sometimes prove cheaper using this method.

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

    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 Bilbao from Boston up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top 5 airlines serving from Boston to Bilbao

 
See real verified KAYAK customer reviews for airlines flying from Boston to Bilbao. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Boston to Bilbao? 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.
8.0
DeltaOverall score based on 10966 reviews
8.6crew
7.9comfort
7.4food
8.0entertainment
8.2boarding
Airline reviews

Delta is one of the best airlines I have flown

10.0 ExcellentKellie, Apr 2024ANC - SEA
Read more about Delta reviews

Delta is one of the best airlines I have flown

Made the Atlanta to Pittsburgh trip many times, with Delta no issues

I always fly with Delta. My friends tell me their horror stories of flying with other airlines. I just smile and say, “You should fly Delta”

I'm a larger, athletic guy (6'2", 260lbs powerlifter) and I found the seats incredibly uncomfortable with minimal leg room, especially in a window seat. Now, I full understand that being smaller may change my view but even if I was 80lbs less, my legs would be the same size and I was sandwiched between my seat and the seat in front of me.

Horrible. This was not first class. This was a connecting flight whi h was late. My original flight never came. I hated the fact that delta gave me a connecting flight from New York to Orlando Florida. No meals and the television screens were not working. There wasn't even any power to charge your phones. This is NOT FIRST CLASS DELTA!!! Do better next time!

This flight was ridiculous. I had to have a connecting flight from New York to orlando Florida??? The flight left late and because it was a short flight there was no first class amenities. I had one alcohol drink. The flight crew was fine, but it sure did not feel like first class. Delta to me dropped the ball by giving me a connecting flight. By the time we got to Raleigh we would have missed the next flight. Lucky for me the flight never came so now I was stuck waiting for a later flight that came in late also.

Our flight was delayed in Atlanta. The staff could have gave us an explanation for the delay and how long it would be.

I liked the ease of checking in, luggage check in, wheel chair assistance, boarding and flight.

On my way home I had a layover. The flight from ATL to CLT was amended 5x while I was waiting. I could have driven home sooner. Overall from Dallas, Tx to Charlotte, NC I started my trip at 4:30pm, I didn’t get home until past midnight. I know things happen, but 5x to make me run back and forth in an airport from different terminals is excessive. I also upgraded to comfort + , I didn’t feel it was worth it. There was no benefit

On my way home I had a layover. The flight from ATL to CLT was amended 5x while I was waiting. I could have driven home sooner. Overall from Dallas, Tx to Charlotte, NC I started my trip at 4:30pm, I didn’t get home until past midnight. I know things happen, but 5x to make me run back and forth in an airport from different terminals is excessive.

Flight was delayed by well over an hour. Communication was terrible.

I like the team but I don't like the food you provided with money. I want free food and free water.

I’m hoping for WiFi included. Everything else was very good

An average flight experience. For our transatlantic portion, they provided a main meal and two snacks. However, the food was not very tasty and the drinks far too small and infrequent for such a long flight. The regrettable part of the flight was that the toilets were extremely filthy. I feel this is unacceptable.

Both flights were delayed. I lost my connection on the way back. No voucher or anything was givenx I had business ticket and no support to make it on time. I got to the door running 5 min after they close. Food really bad. Breakfast in business was worst that I what I remember in economy. Even though I have accumulated many miles, I don’t think Inwill keep buying Iberia. I am a frequent business traveler.

The food is really eco only level. Breakfast was shameful. I am considering to stop flying with Iberia. Business prices are as expensive as other companies with much better service.

Why no entertainment? Also water should be free, it is basic human right.

Late boarding. Delayed departure leading to rushed connection at Madrid Barajas. Not necessarily Iberia's fault but delay loading cargo didn't help.

I can’t comment on food as it was necessary to buy it. No entertainment.

Took too long to tak off but besides that it was good

Disastrous boarding. Entered air bridge only to descend stairs and enter a bus. Plane had insufficient storage, was old and chair recline was damaged. Air stewardess was sullen.

Perfect although it took an hour to board the plane but other than that it was great

The flight crew was good, the flight itself was quick and comfortable

Boarding was late by 30 min due to a bus missing to take us to the plane... And then the flight was delayed by about 90 minutes, in a 60 min flight

The quality of the aircraft and the professionalism of TAP's staff were perfect. The quality of vegan meals can be hit or miss depending on the airline and the city of departure; on this flight, our vegan meals were quite good. The boarding process for the connecting flight in Lisbon could have been organized a bit better, but it did not spoil our overall experience with TAP, which was excellent. I'd definitely recommend TAP to others.

We liked the crew. They were competent, professional and friendly. The only big negative was our departure was delayed several times and the airport staff did not communicate what the problems were and what we should expect.

O comissário não nos serviu bebida no jantar. Quando voltou somente serviu água.

Airline attendant never walks along the isle to check if everyone is ok. The food is worst I’ve experienced. Chicken pasta is very salty while the fish is bland and over-cooked. Only two toilets for the entire economy section.

Pros: "Worst customer service or actually non-existent, rude and ignorant agents. Will never fly with them again."
Cons: "TAP should simply shutdown or do a major reform as the airline operates in the last century."
Pros: "Food service was very good - and the crew kept going even after we hit turbulence. I'd already been served, but I know from past experience with other airlines that there's nothing worse than smelling the hot food and being told that service is being discontinued,,,,while you're now hungry"
Cons: "Lisbon airport was stressful, perhaps more guidance before releasing us into the melee. I found an Air Portugal email about Lisbon Airport just now"

The whole flight was coughing and farting all the way. It was impossible to breathe. If people are traveling sick they should either not be allowed to fly or made wear masks

I will never fly vueling. 1h30 delayed, connexion missed with the crew closing the boarding in front of us. 40 people missed the Barcelona-Orly connexion. hours waiting for rebooking and hotel.. inadmissible

3 hr flight from Barcelona to Gran Canaria. Ŵent according to plan No issues with staff oŕ flight. Many people includiñg us could not get luggage self checķ in termìnals to work. Had to wait in check in line.

The communication about the delay could have been better before and during the flight. Also, this online form could have less bugs. It is almost impossible to type in this window.

Boarding was very poor as the flight was initially delayed. We were told the flight would be at 21:40. We were with our 10 month baby who was sleeping. I received an email from Kayak which said the flight was now due to take off at 21:04. When we checked the screens at Gatwick we were told the gate was closed. The lack of communication was extremely poor and we had to run with our baby and there were many other passengers, including elderly people, also running to the gate. When we got to the gate, the staff had no reasons for the poor communication.

It was a short flight but the seat was very straight. I didn’t need any service, but wifi was not available. In resume, a normal service. Nice, the punctuality. Thanks

Last time bucking this company if I would know I wouldn’t do it, they made me lose my flight

Nous sommes parties de Copenhague avec plus de 2h de retard. L'avion n'a pas pu atterrir à Paris et après avoir encore perdu du temps en vol, a atterri à Bruxelles. Une navette devait nous prendre en charge pour nous ramener à Paris mais personne ne nous a renseignés, on a tourné en rond dans l'aéroport durant plus de 2h, sans trouver de solution pour rentrer (pas de train, pas de voiture de location...). Nous avons fini par monter dans un car affrété par une autre compagnie et qui nous a déposés à CDG. Ensuite il fallu prendre un Uber (il était plus de 2h du matin) pour rentrer, qui a couté presque 90 €. Donc non, je ne suis pas satisfaite des services de la compagnie Vueling.

I liked the regular updates and appreciated the automatic online checkin which didn’t work for our Vueling flight so I had to do this myself.

The baggage policy is pathetic. We paid for our carry-on bags online. Said if we don't remove the wheels of our carry-ons it's not considered a carry-on. We all measured our bags according to the website beforehand. We were not refunded for our bags and were obligated to buy it as checked in bags for over $70 online or $90 over the counter. First and last time I travel with this airline.

Disappointed everytime. The app doesn't load the boarding passes. They have lots of agent that seem to be busy doing nothing with a long line waiting to get paper boarding passes. Food choices are poor. Entertainment is less than entertaining.

Luggage took nearly 2 hours to come out. Terrible airport service in Malaga.

Horrible experience. Nothing to give to kids to keep them entertained.

I think I have bruises on my kneecaps. Do the seats have to be so close together these days? And if they are so close they really shouldn’t recline. I think when the gentleman in front of me reclined, the back of his head was on my chin. That being said the crew were always caring and polite, and the flight was on time and very safe. So I’m grateful for that.

I always try to book flights that don’t charge for baggage. Yet I was charged $75 for this flight.

Trouble keeps changing the time and I was booked different flight without knowing it was bad experience

I dropped my wallet under my seat on this flight with all of my money and credit card. I requested to be able to go back and retrieve it but Lufthansa denied my request. I went to the Customer Services and they called Lost and Found but I was told nothing found would be turned in until around 12:00pm. My next flight was leaving so I was unable to check to see if my wallet was turned in. I will never fly with Lufthansa again.

My concern is with Flight: 441 IAH-FRA I was very cramped in my seat and the person in front of me was reclined. I pulled my wallet out of my purse and when finished I did my best to cram it back into my purse. Our flight was very delayed and we were rebooked twice and lots of airport time. As I got off the flight I noticed that I had dropped my wallet( containing all my credit & debit bank cards + 240 US dollars & 240 Euros. I spoke to customer service & Lost &Found. I was denied access to look on the plane. Therefore I have been without money and given no help. Paula Bjork 503.545.6698

Dinner was good by air travel standards but breakfast was too light and heavy on carbs/sugar.

Used to love Lufthansa, but Rowe are too close together in Economy and passengers are allowed to recline their seats so far back it is impossible for those behind them to even reach for carry-on essentials during flight - except for meal service when flight attendants ask for seat backs to be raised, we can’t sleep on planes so this flight was most uncomfortable ever! Rod Rose

Book cheap flights from Boston to Bilbao

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Boston to Bilbao found on KAYAK in the last 72 hours.
7/8Mon
3 stops
31h 00mBOS-BIO
$322
6/7Fri
2 stops
21h 25mBOS-BIO
$324
7/23Tue
1 stopVueling
10h 05mBOS-BIO
$329
7/7Sun
3 stops
41h 45mBOS-BIO
$343
7/11Thu
1 stopIberia
9h 50mBOS-BIO
$565
7/4Thu
1 stopVueling
18h 05mBOS-BIO
$584
6/7Fri
1 stopKLM
10h 40mBOS-BIO
$646
7/7Sun
2 stopsTAP AIR PORTUGAL
23h 45mBOS-BIO
$686
7/2Tue
1 stopTAP AIR PORTUGAL
31h 00mBOS-BIO
$694
7/9Tue
1 stopIberia
9h 50mBOS-BIO
$781

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Boston - Bilbao Flights

Departure:

Boston (BOS)United States

Destination:

Bilbao (BIO)Spain

Return flight deals:

Bilbao - Boston

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