$394+ Cheap flights from Hartford (BDL) to Bilbao (BIO)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — BIO
Jan 22 — Jan 291
1 adult, Economy
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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 BilbaoDiscover 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 23, 2025.
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 23, 2025.
This United Airlines deal was found by Cheapflights users on 12/22. 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.
Thu 2/59:55 amBDL - BIO
2 stops20h 55mUnited Airlines
Thu 2/1212:50 pmBIO - BDL
2 stops26h 44mUnited Airlines
Deal found 12/22![United Airlines logo]()
$688
This United Airlines deal was found by Cheapflights users on 12/20. 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.
Sat 1/174:46 pmBDL - BIO
2 stops43h 19mUnited Airlines
Wed 1/2111:35 amBIO - BDL
2 stops32h 47mUnited Airlines
Deal found 12/20![United Airlines logo]()
$1,174
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 23, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 1 star |
Round-trip from | $487 (United Airlines) |
One-way from | $394 (Cheapflightsfares) |
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 23, 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
Thu 2/5
9:55 am-12:50 pm
2 stops20h 55m
Bilbao
Thu 2/12
12:50 pm-9:34 am
2 stops26h 44m
$688
HartfordBilbao
BDL - BIO
BDLBIO
Hartford Bradley Intl
Sat 1/17
4:46 pm-6:05 pm
2 stops43h 19m
Bilbao
Wed 1/21
11:35 am-2:22 pm
2 stops32h 47m
$1,174
HartfordBilbao
BDL - BIO
BDLBIO
Hartford Bradley Intl
Tue 1/20
3:02 pm-10:50 am
2 stops13h 48m
$394
HartfordBilbao
BDL - BIO
BDLBIO
Hartford Bradley Intl
Sun 2/15
4:43 pm-9:55 pm
2 stops23h 12m
$407
HartfordBilbao
BDL - BIO
BDLBIO
Hartford Bradley Intl
Sun 2/15
6:00 am-4:35 pm
3 stops28h 35m
$417
HartfordBilbao
BDL - BIO
BDLBIO
Hartford Bradley Intl
Tue 1/20
8:05 am-9:55 pm
3 stops31h 50m
$541
- 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.