$352+ Cheap flights from Boston (BOS) to Deer Lake (YDF)
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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YDF
Aug 27 — Sep 31
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Boston to Deer Lake 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 Boston to Deer Lake
Cheapest
Best
Last-minute
One-way
Cheapest flights from Boston to Deer LakeExplore the most affordable flight options available from Boston to Deer Lake. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2026.
Explore the most affordable flight options available from Boston to Deer Lake. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/237:10 am
BOS
- YDF
2 stops11h 10m
Porter Airlines
Sun 8/306:55 pm
YDF
- BOS
1 stop15h 40m
Porter Airlines
Deal found 7/24![Porter Airlines logo]()
$568
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:10 am
BOS
- YDF
2 stops11h 10m
Porter Airlines
Wed 8/196:55 pm
YDF
- BOS
1 stop17h 05m
Porter Airlines
Deal found 7/25![Porter Airlines logo]()
$584
This Mytrip deal was found by Cheapflights users on 7/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/193:55 pm
BOS
- YDF
3 stops20h 58m
Porter Airlines
Sat 9/263:05 pm
YDF
- BOS
3 stops19h 30m
Porter Airlines
Deal found 7/24![Porter Airlines logo]()
$585
This Mytrip deal was found by Cheapflights users on 7/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:30 pm
BOS
- YDF
3 stops19h 23m
Porter Airlines
Mon 9/283:05 pm
YDF
- BOS
3 stops19h 30m
Porter Airlines
Deal found 7/23![Porter Airlines logo]()
$614
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:45 pm
BOS
- YDF
1 stop20h 45m
Porter Airlines
Mon 8/318:45 pm
YDF
- BOS
2 stops20h 00m
Porter Airlines
Deal found 7/25![Porter Airlines logo]()
$620
This Mytrip deal was found by Cheapflights users on 7/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:30 pm
BOS
- YDF
2 stops17h 23m
Multiple Airlines
Sun 9/273:05 pm
YDF
- BOS
2 stops19h 30m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$635
Best flights from Boston to Deer LakeDiscover carefully curated flight deals from Boston to Deer Lake that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 28, 2026.
Discover carefully curated flight deals from Boston to Deer Lake that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:30 pm
BOS
- YDF
1 stop20h 00m
Porter Airlines
Wed 8/196:55 pm
YDF
- BOS
1 stop15h 40m
Porter Airlines
Deal found 7/25![Porter Airlines logo]()
$601
This Mytrip deal was found by Cheapflights users on 7/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:30 pm
BOS
- YDF
2 stops17h 23m
Multiple Airlines
Sun 9/273:05 pm
YDF
- BOS
2 stops19h 30m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$635
This Air Canada deal was found by Cheapflights users on 7/22. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:55 pm
BOS
- YDF
1 stop6h 33m
Air Canada
Wed 9/165:00 am
YDF
- BOS
1 stop6h 25m
Air Canada
Deal found 7/22![Air Canada logo]()
$662
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:45 pm
BOS
- YDF
1 stop20h 45m
Porter Airlines
Mon 8/318:45 pm
YDF
- BOS
2 stops20h 00m
Porter Airlines
Deal found 7/25![Porter Airlines logo]()
$620
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:45 pm
BOS
- YDF
1 stop20h 45m
Multiple Airlines
Mon 8/318:45 pm
YDF
- BOS
1 stop20h 45m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$643
This Air Canada deal was found by Cheapflights users on 7/24. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1710:40 am
BOS
- YDF
2 stops12h 47m
Air Canada
Mon 8/245:00 am
YDF
- BOS
1 stop6h 23m
Air Canada
Deal found 7/24![Air Canada logo]()
$697
Last-minute flights from Boston to Deer LakeDiscover last-minute flight deals from Boston to Deer Lake. Data last updated July 28, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Deer Lake. Data last updated July 28, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:10 am
BOS
- YDF
2 stops11h 10m
Porter Airlines
Wed 8/196:55 pm
YDF
- BOS
1 stop17h 05m
Porter Airlines
Deal found 7/25![Porter Airlines logo]()
$584
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/237:10 am
BOS
- YDF
2 stops11h 10m
Porter Airlines
Sun 8/306:55 pm
YDF
- BOS
1 stop15h 40m
Porter Airlines
Deal found 7/24![Porter Airlines logo]()
$568
This Mytrip deal was found by Cheapflights users on 7/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:30 pm
BOS
- YDF
2 stops23h 50m
Multiple Airlines
Sun 8/303:45 pm
YDF
- BOS
3 stops20h 15m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$641
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:45 pm
BOS
- YDF
1 stop20h 45m
Porter Airlines
Mon 8/318:45 pm
YDF
- BOS
2 stops20h 00m
Porter Airlines
Deal found 7/25![Porter Airlines logo]()
$620
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:45 pm
BOS
- YDF
1 stop20h 45m
Multiple Airlines
Mon 8/318:45 pm
YDF
- BOS
1 stop20h 45m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$643
One-way flights from Boston to Deer LakeSearch for one-way flight options from Boston to Deer Lake. Find affordable one-way fares based on user searches. Data last updated July 28, 2026.
Search for one-way flight options from Boston to Deer Lake. Find affordable one-way fares based on user searches. Data last updated July 28, 2026.
This Air Canada deal was found by Cheapflights users on 7/23. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:00 am
BOS
- YDF
2 stops10h 50m
Air Canada
Deal found 7/23![Air Canada logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:30 pm
BOS
- YDF
3 stops18h 23m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$390
Find flight deals from Boston to Deer Lake
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Deer Lake (YDF). 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 July 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $568 (Kiwi.com) |
One-way from | $352 (Air Canada) |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston to Deer Lake 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 July 28, 2026.
Use the filters below to find and compare flights from Boston to Deer Lake that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonDeer Lake
BOS - YDF
BOSYDF
Boston Logan Intl
Mon 8/17
8:30 pm-6:00 pm
1 stop20h 00m
Deer Lake
Wed 8/19
6:55 pm-9:05 am
1 stop15h 40m
$601
BostonDeer Lake
BOS - YDF
BOSYDF
Boston Logan Intl
Mon 8/24
7:45 pm-6:00 pm
1 stop20h 45m
Deer Lake
Mon 8/31
8:45 pm-3:15 pm
2 stops20h 00m
$620
BostonDeer Lake
BOS - YDF
BOSYDF
Boston Logan Intl
Fri 9/25
7:30 pm-2:23 pm
2 stops17h 23m
Deer Lake
Sun 9/27
3:05 pm-9:05 am
2 stops19h 30m
$635
BostonDeer Lake
BOS - YDF
BOSYDF
Boston Logan Intl
Mon 8/24
7:45 pm-6:00 pm
1 stop20h 45m
Deer Lake
Mon 8/31
8:45 pm-4:00 pm
1 stop20h 45m
$643
Quickest round-trip
BostonDeer Lake
BOS - YDF
BOSYDF
Boston Logan Intl
Wed 9/9
4:55 pm-12:58 am
1 stop6h 33m
Deer Lake
Wed 9/16
5:00 am-9:55 am
1 stop6h 25m
$662
BostonDeer Lake
BOS - YDF
BOSYDF
Boston Logan Intl
Mon 8/17
10:40 am-12:57 am
2 stops12h 47m
Deer Lake
Mon 8/24
5:00 am-9:53 am
1 stop6h 23m
$697
Cheapest one-way
Quickest one-way
BostonDeer Lake
BOS - YDF
BOSYDF
Boston Logan Intl
Tue 10/13
6:00 am-6:20 pm
2 stops10h 50m
$352
BostonDeer Lake
BOS - YDF
BOSYDF
Boston Logan Intl
Tue 10/13
6:30 pm-2:23 pm
3 stops18h 23m
$390
Sorted by cheapest first
Compare providers for flights from Boston to Deer Lake
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Deer Lake in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boston-Deer Lake flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Deer Lake flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Deer Lake flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boston-Deer Lake 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 Boston-Deer Lake 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 Boston to Deer Lake
Have a flexible travel schedule? Discover the best time to fly to Deer Lake from Boston with our price prediction graph.
BOS-YDF
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 Deer Lake
Get insights into the airlines that provide service to Deer Lake. 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 Deer Lake. Reviews last updated July 28, 2026.
Peruse reviews from past customers who have flown with Air Canada from Boston to Deer Lake to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
6.8
Overall
7.1
Crew
7.8
Food
6.3
Boarding
7.3
Comfort
7.1
Reviews
1 / 20
8.0
ExcellentDr vandana,Feb 2026
SFO - YYC
Entertainment
6.8
Overall
7.1
Crew
7.8
Food
6.3
Boarding
7.3
Comfort
7.1
Reviews
1 / 20
8.0
ExcellentDr vandana,Feb 2026
SFO - YYC
Related info for your journey
Find useful and relevant information for your journey from Boston to Deer Lake. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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
Complete your trip
Flights by cabin class
Other flight options
Other flights from Boston
Popular flights
Alternative routes for Boston to Deer Lake
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Deer Lake by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boston to Deer Lake by cabin class
Find flights from Boston to Deer Lake, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boston and Deer Lake flights
Browse other Boston and Deer Lake flight options. Last updated on July 28, 2026.
Other flights from Boston
Browse through other flights departing from Boston. Flights are based on user searches made on Cheapflights and were last updated on July 28, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Boston to Deer Lake
Discover the top airline that operate flights from Boston to Deer Lake. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$501 | Average$680 | FlexibilityNo cancel fee | On-time67% |