What is the cheapest airline to fly from Boston to Oulu round-trip?

According to our current data, Lufthansa ($606), offers the cheapest pricing from Boston to Oulu.

What is the cheapest day to fly from Boston to Oulu?

Travelers seeking maximum savings on their Boston to Oulu flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Oulu ranges from 0.4 - 2.4 inches per month. August is typically the wettest month, when rainfall can reach 2.4 in. April is typically the driest time to visit Oulu when rainfall is around 0.4 in.

If weather is an important factor for your trip to Oulu, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 F).

What is the cheapest day to fly round-trip from Boston to Oulu?

Travelers have found that booking a Wednesday departure is the best way to save up to 27% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

What is the cheapest time of day to fly from BOS to OUL?

When flying from Boston to Oulu, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Boston to Oulu that include hotel bookings?

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

How can I find direct flights from Boston to Oulu?

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

Can I find deals for business class flights from Boston to Oulu?

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

$573+ Flights from Boston to Oulu

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Cheap flight deals from Boston to Oulu

Round-trip from	$573 (Sembo)

From Boston Logan Intl to Oulu

Search Deals

Find flight deals from Boston to Oulu

Cheapest flights from Boston to Oulu
Explore the most affordable flight options available from Boston to Oulu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Thu 8/145:50 amBOS - OUL

2 stops25h 35mMultiple Airlines

Mon 8/183:20 pmOUL - BOS

2 stops35h 50mMultiple Airlines

Deal found 7/29

$573

Thu 8/145:50 pmBOS - OUL

1 stop13h 35mLufthansa

Mon 8/183:20 pmOUL - BOS

2 stops31h 20mLufthansa

Deal found 7/29

$606

Best flights from Boston to Oulu
Discover carefully curated flight deals from Boston to Oulu that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 31, 2025.

Thu 8/145:50 amBOS - OUL

2 stops25h 35mMultiple Airlines

Mon 8/183:20 pmOUL - BOS

2 stops35h 50mMultiple Airlines

Deal found 7/29

$573

Thu 8/145:50 pmBOS - OUL

1 stop13h 35mLufthansa

Mon 8/183:20 pmOUL - BOS

2 stops31h 20mLufthansa

Deal found 7/29

$606

Last-minute flights from Boston to Oulu
Discover last-minute flight deals from Boston to Oulu. Data last updated July 31, 2025 and is based on user searches.

Thu 8/145:50 amBOS - OUL

2 stops25h 35mMultiple Airlines

Mon 8/183:20 pmOUL - BOS

2 stops35h 50mMultiple Airlines

Deal found 7/29

$573

Thu 8/145:50 pmBOS - OUL

1 stop13h 35mLufthansa

Mon 8/183:20 pmOUL - BOS

2 stops31h 20mLufthansa

Deal found 7/29

$606

Fly from

Fly to

Route

Depart

Return

Price

BostonOulu

BOS - OUL

BOSOUL

Boston Logan Intl

Thu 8/14

5:50 am-2:25 pm

2 stops25h 35m

Oulu

Mon 8/18

3:20 pm-8:10 pm

2 stops35h 50m

$573

BostonOulu

BOS - OUL

BOSOUL

Boston Logan Intl

Thu 8/14

5:50 pm-2:25 pm

1 stop13h 35m

Oulu

Mon 8/18

3:20 pm-3:40 pm

2 stops31h 20m

$606

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from Boston to Oulu

Have a flexible travel schedule? Discover the best time to fly to Oulu from Boston 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.

Reviews of airlines servicing Oulu

See what other customers who have flown with Lufthansa from Boston to Oulu have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Lufthansa

6.8

Okay

7,275 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2024

SFO - FRA

Convenient flight to my destination. Good entertainment options on board. I was seated close to some people who had noisy children which made sleeping a bit challenging.

Lufthansa

6.8

Okay

7,275 reviews

Lufthansa

6.8

Okay

7,275 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2024

SFO - FRA

Convenient flight to my destination. Good entertainment options on board. I was seated close to some people who had noisy children which made sleeping a bit challenging.

Related info for your journey

What is the cheapest airline to fly from Boston to Oulu round-trip?
According to our current data, Lufthansa ($606), offers the cheapest pricing from Boston to Oulu.
Can I find deals for flights from Boston to Oulu that include hotel bookings?
Yes. In addition to deals on Boston to Oulu flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Boston to Oulu?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Oulu.
Can I find deals for business class flights from Boston to Oulu?
Yes. Cheapflights offers flight deals from Boston to Oulu 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

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Alternative routes for Boston to Oulu

Boston to Helsinki flights

Boston to Rovaniemi flights

Hartford to Helsinki flights

Top airline flying from Boston to Oulu

Airline	Cheapest	Average	Flexibility	On-time
Finnair	Cheapest$566	Average$818	FlexibilityNo cancel fee	On-time76%

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$573+ Cheap flights from Boston (BOS) to Oulu (OUL)

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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Boston to Oulu with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Boston to Oulu

Round-trip from

Find flight deals from Boston to Oulu

Cheapest flights from Boston to OuluExplore the most affordable flight options available from Boston to Oulu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Explore the most affordable flight options available from Boston to Oulu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boston to Oulu that are best for you.

Best time to book a flight from Boston to Oulu

Have a flexible travel schedule? Discover the best time to fly to Oulu from Boston with our price prediction graph.

Reviews of airlines servicing Oulu

Get insights into the airlines that provide service to Oulu. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Oulu. Reviews last updated July 31, 2025.

See what other customers who have flown with Lufthansa from Boston to Oulu have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What is the cheapest airline to fly from Boston to Oulu round-trip?

Can I find deals for flights from Boston to Oulu that include hotel bookings?

How can I find direct flights from Boston to Oulu?

Can I find deals for business class flights from Boston to Oulu?

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.

Alternative routes for Boston to Oulu

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Boston to Oulu

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Book with Flexibility

Travel Smart

Cheapest flights from Boston to Oulu
Explore the most affordable flight options available from Boston to Oulu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.