HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Bilbao

$480+ Cheap flights from Hartford (BDL) to Bilbao (BIO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — BIO
Jan 2 — Jan 91
Fri 1/2
Fri 1/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Hartford to Bilbao with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Hartford to Bilbao

Best flights from Hartford to Bilbao
Discover carefully curated flight deals from Hartford to Bilbao that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 3, 2025.

This Delta deal was found by Cheapflights users on 11/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/236:00 amBDL - BIO
2 stops29h 20mDelta
Tue 1/277:25 amBIO - BDL
2 stops34h 42mDelta
Deal found 11/30$480
This United Airlines deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/239:55 amBDL - BIO
2 stops31h 25mUnited Airlines
Tue 1/2711:35 amBIO - BDL
2 stops39h 54mUnited Airlines
Deal found 12/2$485
This United Airlines deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/163:00 pmBDL - BIO
2 stops15h 00mUnited Airlines
Fri 1/236:45 amBIO - BDL
2 stops37h 24mUnited Airlines
Deal found 12/2$496

Find flight deals from Hartford to Bilbao

Discover tips and strategies to find the most affordable flight options for your journey from Hartford (BDL) to Bilbao (BIO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$480
(Delta)
Provider with most accurate pricing for Hartford Bradley Intl-Bilbao flight deals.
Search Deals
Provider most trusted by Cheapflights users for Hartford Bradley Intl-Bilbao flights.
Search Deals
From Hartford Bradley Intl to Bilbao
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Hartford to Bilbao that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 3, 2025.
Use the filters below to find and compare flights from Hartford to Bilbao that are best for you.

Fly from

Hartford

Fly to

Bilbao

Route

Depart

Return

Price

HartfordBilbao

BDL - BIO

BDLBIO

Hartford Bradley Intl

Fri 1/23

6:00 am-5:20 pm

2 stops29h 20m

Bilbao

Tue 1/27

7:25 am-12:07 pm

2 stops34h 42m

$480

HartfordBilbao

BDL - BIO

BDLBIO

Hartford Bradley Intl

Fri 1/23

9:55 am-11:20 pm

2 stops31h 25m

Bilbao

Tue 1/27

11:35 am-9:29 pm

2 stops39h 54m

$485

HartfordBilbao

BDL - BIO

BDLBIO

Hartford Bradley Intl

Fri 1/16

3:00 pm-12:00 pm

2 stops15h 00m

Bilbao

Fri 1/23

6:45 am-2:09 pm

2 stops37h 24m

$496

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/30

  • Most accurate provider: When it comes to deals on Hartford-Bilbao flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Hartford-Bilbao flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Hartford-Bilbao flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Hartford-Bilbao flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Hartford-Bilbao flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Hartford to Bilbao

Have a flexible travel schedule? Discover the best time to fly to Bilbao from Hartford with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Hartford to Bilbao. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Hartford to Bilbao?

    For as low as $480, Delta can have you in Bilbao from Hartford in 29h 20m. There are 3438 mi between Hartford and Bilbao. This flight may include one or multiple stops.

  • Can I find deals for flights from Hartford to Bilbao that include hotel bookings?

    Yes. In addition to deals on Hartford to Bilbao flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Hartford to Bilbao?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hartford to Bilbao.

  • Can I find deals for business class flights from Hartford to Bilbao?

    Yes. Cheapflights offers flight deals from Hartford to Bilbao by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.