$160+ Cheap flights from Ottawa (YOW) to San Diego (SAN)
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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SAN
Oct 11 — Oct 181
Round-trip
1 adult, Economy
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Find cheap flights from Ottawa to San Diego 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 Ottawa to San Diego
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Best
Last-minute
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Cheapest flights from Ottawa to San DiegoExplore the most affordable flight options available from Ottawa to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
Explore the most affordable flight options available from Ottawa to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:15 pm -
1 stop20h 55m
Thu 10/223:30 pm -
1 stop11h 05m
Deal found 9/9![WestJet logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/191:20 pm -
2 stops28h 09m
Fri 10/233:30 pm -
1 stop11h 05m
Deal found 9/10![Multiple Airlines logo]()
$277
This Tripair deal was found by Cheapflights users on 9/6. 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 Tripair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/102:50 pm -
1 stop8h 46m
Sat 10/174:50 pm -
1 stop10h 08m
Deal found 9/6![Air Canada logo]()
$287
This Mytrip deal was found by Cheapflights users on 9/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:20 am -
1 stop9h 50m
Tue 10/63:30 pm -
1 stop20h 50m
Deal found 9/8![WestJet logo]()
$303
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:15 pm -
1 stop20h 55m
Fri 10/233:30 pm -
1 stop11h 05m
Deal found 9/10![WestJet logo]()
$309
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:25 am -
1 stop15h 15m
Sun 10/410:30 pm -
1 stop12h 29m
Deal found 9/10![United Airlines logo]()
$310
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:00 am -
2 stops12h 54m
Wed 10/72:24 pm -
2 stops16h 32m
Deal found 9/10![United Airlines logo]()
$313
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:25 am -
1 stop8h 00m
Sat 10/32:24 pm -
2 stops15h 47m
Deal found 9/10![United Airlines logo]()
$314
This FlightHub deal was found by Cheapflights users on 9/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/34:15 pm -
1 stop23h 25m
Mon 12/71:30 pm -
1 stop22h 00m
Deal found 9/8![WestJet logo]()
$323
This WestJet deal was found by Cheapflights users on 9/8. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:10 am -
1 stop10h 30m
Sat 10/312:30 pm -
1 stop31h 31m
Deal found 9/8![WestJet logo]()
$326
Best flights from Ottawa to San DiegoDiscover carefully curated flight deals from Ottawa to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
Discover carefully curated flight deals from Ottawa to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
This Tripair deal was found by Cheapflights users on 9/6. 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 Tripair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/102:50 pm -
1 stop8h 46m
Sat 10/174:50 pm -
1 stop10h 08m
Deal found 9/6![Air Canada logo]()
$287
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:00 am -
1 stop8h 25m
Wed 10/75:00 pm -
2 stops13h 56m
Deal found 9/10![United Airlines logo]()
$313
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:01 pm -
1 stop18h 48m
Fri 10/233:56 pm -
3 stops19h 13m
Deal found 9/10![United Airlines logo]()
$314
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:00 am -
2 stops17h 08m
Sun 10/410:30 pm -
1 stop12h 29m
Deal found 9/10![United Airlines logo]()
$314
Last-minute flights from Ottawa to San DiegoDiscover last-minute flight deals from Ottawa to San Diego. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Ottawa to San Diego. Data last updated September 11, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:25 am -
1 stop15h 15m
Fri 10/29:20 pm -
1 stop8h 51m
Deal found 9/10![United Airlines logo]()
$310
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:25 am -
2 stops16h 43m
Mon 10/56:50 pm -
2 stops12h 06m
Deal found 9/10![United Airlines logo]()
$314
This Mytrip deal was found by Cheapflights users on 9/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:20 am -
1 stop9h 50m
Tue 10/63:30 pm -
1 stop20h 50m
Deal found 9/8![WestJet logo]()
$303
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:00 am -
2 stops12h 54m
Wed 10/72:24 pm -
2 stops16h 32m
Deal found 9/10![United Airlines logo]()
$313
This Tripair deal was found by Cheapflights users on 9/6. 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 Tripair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/102:50 pm -
1 stop8h 46m
Sat 10/174:50 pm -
1 stop10h 08m
Deal found 9/6![Air Canada logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:15 pm -
1 stop20h 55m
Thu 10/223:30 pm -
1 stop11h 05m
Deal found 9/9![WestJet logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/191:20 pm -
2 stops28h 09m
Fri 10/233:30 pm -
1 stop11h 05m
Deal found 9/10![Multiple Airlines logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:15 pm -
1 stop20h 55m
Fri 10/233:30 pm -
1 stop11h 05m
Deal found 9/10![WestJet logo]()
$309
This WestJet deal was found by Cheapflights users on 9/8. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:10 am -
1 stop10h 30m
Sat 10/312:30 pm -
1 stop31h 31m
Deal found 9/8![WestJet logo]()
$326
One-way flights from Ottawa to San DiegoSearch for one-way flight options from Ottawa to San Diego. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
Search for one-way flight options from Ottawa to San Diego. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:20 am -
1 stop9h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![WestJet logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/191:20 pm -
2 stops28h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$167
This FlightHub deal was found by Cheapflights users on 9/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:20 am -
1 stop9h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![WestJet logo]()
$169
This Air Canada deal was found by Cheapflights users on 9/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/102:50 pm -
1 stop8h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Air Canada logo]()
$184
This United Airlines deal was found by Cheapflights users on 9/7. 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 10/309:45 am -
2 stops17h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![United Airlines logo]()
$186
This Expedia deal was found by Cheapflights users on 9/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:10 am -
1 stop9h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![WestJet logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:35 am -
3 stops17h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$196
This United Airlines deal was found by Cheapflights users on 9/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:25 am -
2 stops14h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![United Airlines logo]()
$208
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/74:36 pm -
1 stop9h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![United Airlines logo]()
$218
This Air Canada deal was found by Cheapflights users on 9/8. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/74:36 pm -
1 stop9h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Air Canada logo]()
$220
Find flight deals from Ottawa to San Diego
Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to San Diego (SAN). 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 September 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $269 (Kiwi.com) |
One-way from | $160 (Kiwi.com) |
Popular in | March |
Cheapest in | November |
Average price | $427 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ottawa to San Diego 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 7,457,451 searches. Data last updated September 11, 2026.
Use the filters below to find and compare flights from Ottawa to San Diego that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
OttawaSan Diego
YOW Ottawa - SAN San Diego
YOWSAN
Ottawa
Wed 9/16
7:20 am-2:10 pm
1 stop9h 50m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$169
OttawaSan Diego
YOW Ottawa - SAN San Diego
YOWSAN
Ottawa
Fri 10/30
9:45 am-12:19 am
2 stops17h 34m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$186
OttawaSan Diego
YOW Ottawa - SAN San Diego
YOWSAN
Ottawa
Sat 10/24
3:10 pm-10:49 pm
1 stop10h 39m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$186
OttawaSan Diego
YOW Ottawa - SAN San Diego
YOWSAN
Ottawa
Sat 10/3
12:25 pm-2:10 pm
2 stops28h 45m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$195
OttawaSan Diego
YOW Ottawa - SAN San Diego
YOWSAN
Ottawa
Fri 10/30
5:35 am-7:47 pm
3 stops17h 12m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$196
OttawaSan Diego
YOW Ottawa - SAN San Diego
YOWSAN
Ottawa
Wed 9/16
6:25 am-5:26 pm
2 stops14h 01m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$208
OttawaSan Diego
YOW Ottawa - SAN San Diego
YOWSAN
Ottawa
Thu 1/7
9:45 am-9:12 pm
2 stops14h 27m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$218
OttawaSan Diego
YOW Ottawa - SAN San Diego
YOWSAN
Ottawa
Sat 10/10
2:50 pm-8:36 pm
1 stop8h 46m
San Diego
Sat 10/17
4:50 pm-5:58 am
1 stop10h 08m
$287
OttawaSan Diego
YOW Ottawa - SAN San Diego
YOWSAN
Ottawa
Sat 10/3
6:00 am-11:25 am
1 stop8h 25m
San Diego
Wed 10/7
5:00 pm-9:56 am
2 stops13h 56m
$313
OttawaSan Diego
YOW Ottawa - SAN San Diego
YOWSAN
Ottawa
Mon 10/19
6:01 pm-9:49 am
1 stop18h 48m
San Diego
Fri 10/23
3:56 pm-2:09 pm
3 stops19h 13m
$314
Showing 1-10 of 11 resultsSorted by cheapest first
Compare providers for flights from Ottawa to San Diego
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 Ottawa to San Diego in September.
| 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 Ottawa-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ottawa-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ottawa-San Diego flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ottawa-San Diego 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 Ottawa-San Diego 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 Ottawa to San Diego
Have a flexible travel schedule? Discover the best time to fly to San Diego from Ottawa with our price prediction graph.
YOW-SAN
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.
Cheapflights Insights
Everything you need to know about your flight from Ottawa to San Diego
What is the cheapest month to book a flight from Ottawa to San Diego?
Currently, November is the cheapest month in which you can book a flight from Ottawa to San Diego (average of $420). Flying from Ottawa to San Diego in March is currently the most expensive (average of $588). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Ottawa to San Diego?
Airfare is below average for this route at the moment.
Ottawa to San Diego flights typically cost between $401 and $485 in October.The cheapest round-trip price found within the last 5 days was $269 on WestJet (Oct 19-Oct 22).
Reviews of airlines servicing San Diego
Get insights into the airlines that provide service to San Diego. 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 San Diego. Reviews last updated September 11, 2026.
Get a feel of what it's like to fly with United Airlines from Ottawa to San Diego by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.7
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Overall
7.4
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Dec 2024
YVR - SFO
Food
6.7
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Overall
7.4
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Dec 2024
YVR - SFO
Related info for your journey
Find useful and relevant information for your journey from Ottawa to San Diego. 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 San Diego?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
National City
Chula Vista
Coronado
Poway
San Ysidro
La Mesa
Santee
Julian
Lemon Grove
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Ottawa and San Diego flights
Browse other Ottawa and San Diego flight options. Last updated on September 11, 2026.
Other flights from Ottawa
Browse through other flights departing from Ottawa. Flights are based on user searches made on Cheapflights and were last updated on September 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Diego
Explore flights to San Diego departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 11, 2026.
Top airline flying from Ottawa to San Diego
Discover the top airline that operate flights from Ottawa to San Diego. 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 7,457,451 searches. Data last updated September 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$362 | Average$490 | FlexibilityNo cancel fee | On-time69% |