$140+ Cheap flights from Boston to Santa Rosa (BOS - STS)
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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — STS
Sep 10 — Sep 171
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Santa Rosa 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 Santa Rosa
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Cheapest flights from Boston to Santa RosaExplore the most affordable flight options available from Boston to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 11, 2026.
Explore the most affordable flight options available from Boston to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 11, 2026.
This Delta deal was found by Cheapflights users on 8/10. 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.
Thu 12/311:00 am -
1 stop8h 06m
Mon 12/711:29 am -
1 stop9h 30m
Deal found 8/10![Delta logo]()
$333
This Alaska Airlines deal was found by Cheapflights users on 8/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:51 am -
1 stop14h 59m
Sat 10/106:16 am -
1 stop20h 05m
Deal found 8/7![Alaska Airlines logo]()
$343
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:00 am -
1 stop18h 54m
Mon 10/55:06 pm -
1 stop11h 20m
Deal found 8/10![Alaska Airlines logo]()
$347
This Alaska Airlines deal was found by Cheapflights users on 8/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/58:00 am -
1 stop28h 54m
Fri 9/116:13 am -
1 stop20h 34m
Deal found 8/7![Alaska Airlines logo]()
$363
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:51 am -
1 stop10h 01m
Tue 10/610:50 am -
1 stop15h 31m
Deal found 8/10![Alaska Airlines logo]()
$364
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:00 am -
1 stop18h 54m
Mon 10/55:06 pm -
1 stop11h 20m
Deal found 8/10![Alaska Airlines logo]()
$367
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:51 am -
1 stop10h 01m
Sat 10/35:06 pm -
1 stop11h 20m
Deal found 8/10![Alaska Airlines logo]()
$373
This Expedia deal was found by Cheapflights users on 8/6. 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.
Wed 9/98:00 am -
1 stop18h 54m
Tue 9/155:34 pm -
1 stop11h 05m
Deal found 8/6![Alaska Airlines logo]()
$378
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:17 pm -
1 stop18h 42m
Tue 10/64:35 pm -
1 stop9h 46m
Deal found 8/10![Alaska Airlines logo]()
$384
Best flights from Boston to Santa RosaDiscover carefully curated flight deals from Boston to Santa Rosa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 11, 2026.
Discover carefully curated flight deals from Boston to Santa Rosa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 11, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:51 am -
1 stop29h 08m
Sat 10/106:16 am -
1 stop20h 05m
Deal found 8/6![Alaska Airlines logo]()
$363
This Delta deal was found by Cheapflights users on 8/10. 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.
Thu 12/311:00 am -
1 stop8h 06m
Sun 12/611:29 am -
1 stop9h 30m
Deal found 8/10![Delta logo]()
$427
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:00 am -
1 stop18h 54m
Mon 10/55:06 pm -
1 stop11h 20m
Deal found 8/10![Alaska Airlines logo]()
$367
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/95:45 pm -
1 stop23h 43m
Thu 12/105:39 pm -
1 stop11h 23m
Deal found 8/10![Alaska Airlines logo]()
$383
This Delta deal was found by Cheapflights users on 8/10. 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.
Thu 12/36:00 am -
2 stops13h 06m
Mon 12/711:29 am -
1 stop9h 30m
Deal found 8/10![Delta logo]()
$446
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/188:00 am -
1 stop18h 54m
Sun 9/206:16 am -
1 stop20h 31m
Deal found 8/10![Alaska Airlines logo]()
$423
This Alaska Airlines deal was found by Cheapflights users on 8/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:17 pm -
1 stop18h 37m
Sat 10/106:16 am -
1 stop20h 05m
Deal found 8/6![Alaska Airlines logo]()
$423
This Alaska Airlines deal was found by Cheapflights users on 8/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:17 pm -
1 stop18h 37m
Mon 10/56:19 am -
1 stop20h 02m
Deal found 8/9![Alaska Airlines logo]()
$441
This Alaska Airlines deal was found by Cheapflights users on 8/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:00 am -
1 stop9h 12m
Thu 10/16:53 pm -
1 stop8h 16m
Deal found 8/8![Alaska Airlines logo]()
$442
This Alaska Airlines deal was found by Cheapflights users on 8/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:17 pm -
1 stop18h 37m
Mon 10/56:19 am -
1 stop20h 02m
Deal found 8/9![Alaska Airlines logo]()
$451
Last-minute flights from Boston to Santa RosaDiscover last-minute flight deals from Boston to Santa Rosa. Data last updated August 11, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Santa Rosa. Data last updated August 11, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 8/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/58:00 am -
1 stop28h 54m
Fri 9/116:13 am -
1 stop20h 34m
Deal found 8/7![Alaska Airlines logo]()
$363
This Expedia deal was found by Cheapflights users on 8/6. 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.
Wed 9/98:00 am -
1 stop18h 54m
Tue 9/155:34 pm -
1 stop11h 05m
Deal found 8/6![Alaska Airlines logo]()
$378
This Southwest deal was found by Cheapflights users on 8/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:05 am -
1 stop15h 25m
Fri 9/186:05 am -
2 stops13h 10m
Deal found 8/10![Southwest logo]()
$405
This Alaska Airlines deal was found by Cheapflights users on 8/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:17 pm -
1 stop18h 37m
Sat 10/34:35 pm -
1 stop9h 46m
Deal found 8/8![Alaska Airlines logo]()
$393
This Alaska Airlines deal was found by Cheapflights users on 8/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:00 am -
1 stop9h 12m
Mon 10/56:16 am -
1 stop20h 05m
Deal found 8/8![Alaska Airlines logo]()
$408
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:00 am -
1 stop18h 54m
Mon 10/55:06 pm -
1 stop11h 20m
Deal found 8/10![Alaska Airlines logo]()
$347
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:00 am -
1 stop18h 54m
Mon 10/55:06 pm -
1 stop11h 20m
Deal found 8/10![Alaska Airlines logo]()
$367
One-way flights from Boston to Santa RosaSearch for one-way flight options from Boston to Santa Rosa. Find affordable one-way fares based on user searches. Data last updated August 11, 2026.
Search for one-way flight options from Boston to Santa Rosa. Find affordable one-way fares based on user searches. Data last updated August 11, 2026.
This Southwest deal was found by Cheapflights users on 8/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:05 am -
1 stop15h 25m
Deal found 8/9![Southwest logo]()
$140
This Delta deal was found by Cheapflights users on 8/11. 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.
Tue 11/1011:00 am -
1 stop8h 06m
Deal found 8/11![Delta logo]()
$149
This Alaska Airlines deal was found by Cheapflights users on 8/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:00 am -
1 stop9h 12m
Deal found 8/7![Alaska Airlines logo]()
$172
This Alaska Airlines deal was found by Cheapflights users on 8/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:00 am -
1 stop28h 54m
Deal found 8/7![Alaska Airlines logo]()
$177
This Orbitz deal was found by Cheapflights users on 8/6. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/208:00 am -
1 stop28h 54m
Deal found 8/6![Alaska Airlines logo]()
$197
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:51 am -
1 stop14h 59m
Deal found 8/10![Alaska Airlines logo]()
$198
This Alaska Airlines deal was found by Cheapflights users on 8/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:17 pm -
1 stop18h 37m
Deal found 8/6![Alaska Airlines logo]()
$200
Find flight deals from Boston to Santa Rosa
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Santa Rosa (STS). 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 August 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $333 (Delta) |
One-way from | $140 (Southwest) |
Popular in | March |
Cheapest in | November |
Average price | $478 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston to Santa Rosa 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 August 11, 2026.
Use the filters below to find and compare flights from Boston to Santa Rosa that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonSanta Rosa
BOS Boston Logan Intl - STS Santa Rosa Sonoma County
BOSSTS
Boston Logan Intl
Tue 10/6
7:51 am-9:59 am
1 stop29h 08m
Santa Rosa Sonoma County
Sat 10/10
6:16 am-5:21 am
1 stop20h 05m
$363
BostonSanta Rosa
BOS Boston Logan Intl - STS Santa Rosa Sonoma County
BOSSTS
Boston Logan Intl
Wed 9/30
8:00 am-11:54 pm
1 stop18h 54m
Santa Rosa Sonoma County
Mon 10/5
5:06 pm-7:26 am
1 stop11h 20m
$367
BostonSanta Rosa
BOS Boston Logan Intl - STS Santa Rosa Sonoma County
BOSSTS
Boston Logan Intl
Wed 12/9
5:45 pm-2:28 pm
1 stop23h 43m
Santa Rosa Sonoma County
Thu 12/10
5:39 pm-8:02 am
1 stop11h 23m
$383
BostonSanta Rosa
BOS Boston Logan Intl - STS Santa Rosa Sonoma County
BOSSTS
Boston Logan Intl
Fri 9/18
8:00 am-11:54 pm
1 stop18h 54m
Santa Rosa Sonoma County
Sun 9/20
6:16 am-5:47 am
1 stop20h 31m
$423
BostonSanta Rosa
BOS Boston Logan Intl - STS Santa Rosa Sonoma County
BOSSTS
Boston Logan Intl
Thu 10/1
6:17 pm-9:54 am
1 stop18h 37m
Santa Rosa Sonoma County
Sat 10/10
6:16 am-5:21 am
1 stop20h 05m
$423
BostonSanta Rosa
BOS Boston Logan Intl - STS Santa Rosa Sonoma County
BOSSTS
Boston Logan Intl
Thu 12/3
11:00 am-4:06 pm
1 stop8h 06m
Santa Rosa Sonoma County
Sun 12/6
11:29 am-11:59 pm
1 stop9h 30m
$427
BostonSanta Rosa
BOS Boston Logan Intl - STS Santa Rosa Sonoma County
BOSSTS
Boston Logan Intl
Mon 9/28
6:17 pm-9:54 am
1 stop18h 37m
Santa Rosa Sonoma County
Mon 10/5
6:19 am-5:21 am
1 stop20h 02m
$441
Quickest round-trip
BostonSanta Rosa
BOS Boston Logan Intl - STS Santa Rosa Sonoma County
BOSSTS
Boston Logan Intl
Tue 9/29
8:00 am-2:12 pm
1 stop9h 12m
Santa Rosa Sonoma County
Thu 10/1
6:53 pm-6:09 am
1 stop8h 16m
$442
BostonSanta Rosa
BOS Boston Logan Intl - STS Santa Rosa Sonoma County
BOSSTS
Boston Logan Intl
Thu 12/3
6:00 am-4:06 pm
2 stops13h 06m
Santa Rosa Sonoma County
Mon 12/7
11:29 am-11:59 pm
1 stop9h 30m
$446
BostonSanta Rosa
BOS Boston Logan Intl - STS Santa Rosa Sonoma County
BOSSTS
Boston Logan Intl
Thu 10/1
6:17 pm-9:54 am
1 stop18h 37m
Santa Rosa Sonoma County
Mon 10/5
6:19 am-5:21 am
1 stop20h 02m
$451
Showing 1-10 of 15 resultsSorted by cheapest first
Compare providers for flights from Boston to Santa Rosa
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 Santa Rosa in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boston-Santa Rosa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Santa Rosa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Santa Rosa flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boston-Santa Rosa 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-Santa Rosa 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 Santa Rosa
Have a flexible travel schedule? Discover the best time to fly to Santa Rosa from Boston with our price prediction graph.
BOS-STS
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 Santa Rosa
Get insights into the airlines that provide service to Santa Rosa. 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 Santa Rosa. Reviews last updated August 11, 2026.
See what other customers who have flown with Alaska Airlines and American Airlines from Boston to Santa Rosa have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.0
Food
7.0
Boarding
8.1
Crew
8.5
Comfort
7.8
Overall
7.9
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Entertainment
7.0
Food
7.0
Boarding
8.1
Crew
8.5
Comfort
7.8
Overall
7.9
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Entertainment
7.0
Food
7.0
Boarding
8.1
Crew
8.5
Comfort
7.8
Overall
7.9
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Related info for your journey
Find useful and relevant information for your journey from Boston to Santa Rosa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Santa Rosa?
Book flights to Santa Rosa if you plan to visit one of these locationsFort Bragg
Ukiah
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Boston and Santa Rosa flights
Browse other Boston and Santa Rosa flight options. Last updated on August 11, 2026.
Other flights from Boston
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Popular flight searches
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Other flights to Santa Rosa
Explore flights to Santa Rosa departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 11, 2026.
Top 2 airlines flying from Boston to Santa Rosa
Discover the top 2 airlines that operate flights from Boston to Santa Rosa. 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 August 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$433 | Average$555 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$439 | Average$632 | FlexibilityNo cancel fee | On-time71% |