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$488+ 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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — BIO
Jan 9 — Jan 161
Fri 1/9
Fri 1/16
1 adult, Economy
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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 10, 2025.

This United Airlines deal was found by Cheapflights users on 12/7. 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 1/304:46 pmBDL - BIO
2 stops24h 34mUnited Airlines
Tue 2/311:35 amBIO - BDL
2 stops39h 54mUnited Airlines
Deal found 12/7$488
This Ovago deal was found by Cheapflights users on 12/9. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/266:05 pmBDL - BIO
1 stop17h 25mAer Lingus
Thu 5/76:10 pmBIO - BDL
1 stop28h 25mAer Lingus
Deal found 12/9$897
This Expedia deal was found by Cheapflights users on 12/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/266:05 pmBDL - BIO
1 stop17h 25mMultiple Airlines
Thu 5/76:10 pmBIO - BDL
2 stops35h 44mMultiple Airlines
Deal found 12/9$912
This United Airlines deal was found by Cheapflights users on 12/9. 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.
Sun 4/267:51 pmBDL - BIO
2 stops15h 59mUnited Airlines
Thu 5/76:45 amBIO - BDL
3 stops20h 57mUnited Airlines
Deal found 12/9$1,455

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 10, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$488
(United Airlines)
Provider with most accurate pricing for Hartford Bradley Intl-Bilbao flight deals.
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Provider most trusted by Cheapflights users for Hartford Bradley Intl-Bilbao flights.
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From Hartford Bradley Intl to Bilbao
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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 10, 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 1/30

4:46 pm-11:20 pm

2 stops24h 34m

Bilbao

Tue 2/3

11:35 am-9:29 pm

2 stops39h 54m

$488

HartfordBilbao

BDL - BIO

BDLBIO

Hartford Bradley Intl

Sun 4/26

6:05 pm-5:30 pm

1 stop17h 25m

Bilbao

Thu 5/7

6:10 pm-4:35 pm

1 stop28h 25m

$897

HartfordBilbao

BDL - BIO

BDLBIO

Hartford Bradley Intl

Sun 4/26

6:05 pm-5:30 pm

1 stop17h 25m

Bilbao

Thu 5/7

6:10 pm-11:54 pm

2 stops35h 44m

$912

HartfordBilbao

BDL - BIO

BDLBIO

Hartford Bradley Intl

Sun 4/26

7:51 pm-5:50 pm

2 stops15h 59m

Bilbao

Thu 5/7

6:45 am-9:42 pm

3 stops20h 57m

$1,455

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/7

  • 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 $897, United Airlines can have you in Bilbao from Hartford in 17h 25m. 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.

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