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Cheap flights from Chicago (CHI) to Santa Rosa (STS) from $148

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 6/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
CHI — STS
Jun 2 — Jun 91
From?
To?
Sun 6/2
Sun 6/9
1 adult, Economy
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Cheap flight deals from Chicago to Santa Rosa

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) 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 May 28, 2024.

Popular in

January

Cheapest in

September

Round-trip from

$268

One-way from

$247
High demand for flights, 32% potential price rise
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Best time to find cheap flights, 39% potential price drop
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From Chicago (CHI) to Santa Rosa Sonoma County
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One-way flight from Chicago (CHI) to Santa Rosa Sonoma County
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What is the cheapest day to fly round-trip from Chicago to Santa Rosa?

Saturday flights are generally found to be more expensive for flights from Chicago to Santa Rosa. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Santa Rosa.

How far in advance should I book a flight from Chicago to Santa Rosa?

To save up to 57% on this flight, we recommend booking at least 52 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Chicago to Santa Rosa from $298 1-2 weeks out and tickets from $449 for flights departing within the next 72 hours.

What is the cheapest month to fly from Chicago to Santa Rosa?

Due to multiple factors, expect to potentially pay more when booking in March. For low rates, September can be a great choice for travel to Santa Rosa. Flights to Santa Rosa from Chicago in September are about $306 on average during September, but can be found for as low as $107.

When is the cheapest time to fly from Chicago to Santa Rosa (CHI - STS)?

It’s optimal to fly from Chicago to Santa Rosa in the morning. By choosing this option you can save up to 7% on the cost of your flight, compared to a flight at noon.

Cheap Alaska Airlines flights from Chicago to Santa Rosa

Explore cheap flight options specifically provided by Alaska Airlines for the route between Chicago and Santa Rosa. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 28, 2024.
Check out some of the cheapest Alaska Airlines flights we've come across from Chicago to Santa Rosa. Come back soon if you're not finding the exact deal you're looking for.
Tue 10/15:45 pmORD - STS
2 stops21h 12mAlaska Airlines
Tue 10/87:00 amSTS - ORD
1 stop19h 30mAlaska Airlines
Deal found 5/27$374
Tue 10/15:45 pmORD - STS
2 stops42h 22mAlaska Airlines
Tue 10/86:34 pmSTS - ORD
2 stops7h 56mAlaska Airlines
Deal found 5/27$379
Sat 9/146:00 amORD - STS
1 stop9h 46mAlaska Airlines
Mon 9/167:55 pmSTS - ORD
1 stop7h 35mAlaska Airlines
Deal found 5/27$399
Tue 6/186:00 amORD - STS
1 stop9h 50mAlaska Airlines
Tue 6/257:03 pmSTS - ORD
1 stop8h 12mAlaska Airlines
Deal found 5/27$401
Tue 7/309:22 pmORD - STS
1 stop18h 28mAlaska Airlines
Tue 8/67:54 pmSTS - ORD
2 stops19h 30mAlaska Airlines
Deal found 5/27$403
Thu 9/126:00 amORD - STS
1 stop18h 07mAlaska Airlines
Tue 9/177:05 amSTS - ORD
1 stop19h 35mAlaska Airlines
Deal found 5/27$404
Tue 6/186:00 amORD - STS
2 stops14h 23mAlaska Airlines
Tue 6/257:03 pmSTS - ORD
1 stop8h 12mAlaska Airlines
Deal found 5/27$406
Tue 7/309:22 pmORD - STS
2 stops19h 43mAlaska Airlines
Tue 8/67:54 pmSTS - ORD
2 stops19h 30mAlaska Airlines
Deal found 5/27$418
Sat 9/147:00 amORD - STS
2 stops17h 07mAlaska Airlines
Mon 9/167:55 pmSTS - ORD
1 stop7h 35mAlaska Airlines
Deal found 5/27$424

Cheap American Airlines flights from Chicago to Santa Rosa

Explore cheap flight options specifically provided by American Airlines for the route between Chicago and Santa Rosa. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 28, 2024.
Some of the best deals we've found on American Airlines flights traveling from Chicago to Santa Rosa. Ensure the flight price, dates, time, and airline match your criteria before you book.
Tue 10/15:20 amORD - STS
2 stops12h 28mAmerican Airlines
Tue 10/82:19 pmSTS - ORD
1 stop6h 53mAmerican Airlines
Deal found 5/28$452
Tue 6/255:00 amORD - STS
1 stop8h 53mAmerican Airlines
Tue 7/24:14 pmSTS - ORD
2 stops13h 08mAmerican Airlines
Deal found 5/27$457
Thu 7/49:55 amORD - STS
1 stop7h 49mAmerican Airlines
Tue 7/912:28 pmSTS - ORD
1 stop6h 47mAmerican Airlines
Deal found 5/28$478
Sat 8/35:00 amORD - STS
1 stop8h 48mAmerican Airlines
Tue 8/1312:27 pmSTS - ORD
1 stop9h 07mAmerican Airlines
Deal found 5/26$488
Sat 8/37:00 amORD - STS
2 stops10h 43mAmerican Airlines
Tue 8/1312:27 pmSTS - ORD
1 stop9h 07mAmerican Airlines
Deal found 5/26$492
Sat 9/145:00 amORD - STS
1 stop9h 44mAmerican Airlines
Mon 9/164:19 pmSTS - ORD
2 stops12h 59mAmerican Airlines
Deal found 5/27$497
Tue 7/309:58 amORD - STS
1 stop7h 43mAmerican Airlines
Tue 8/612:27 pmSTS - ORD
1 stop9h 07mAmerican Airlines
Deal found 5/27$498
Sat 9/147:19 amORD - STS
2 stops10h 29mAmerican Airlines
Mon 9/164:19 pmSTS - ORD
2 stops12h 59mAmerican Airlines
Deal found 5/27$502
Tue 7/306:00 amORD - STS
2 stops11h 41mAmerican Airlines
Tue 8/612:27 pmSTS - ORD
1 stop9h 07mAmerican Airlines
Deal found 5/27$503

Cheap Chicago to Santa Rosa flights in May & June 2024

Find cheap flight options from Chicago to Santa Rosa specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,696,634 searches. Prices were last updated on May 28, 2024.
These are some of the best deals we've found on flights to Santa Rosa in 2024 at this time. Check back in a little while for more flight options.
Mon 6/106:53 amORD - STS
2 stops13h 02mMultiple Airlines
Fri 6/1410:55 amSTS - ORD
2 stops17h 05mMultiple Airlines
Deal found 5/28$378
Mon 6/109:54 amORD - STS
1 stop10h 01mMultiple Airlines
Fri 6/1410:55 amSTS - ORD
2 stops17h 05mMultiple Airlines
Deal found 5/28$389
Mon 6/106:53 amORD - STS
2 stops13h 02mMultiple Airlines
Fri 6/1410:55 amSTS - ORD
3 stops22h 37mMultiple Airlines
Deal found 5/28$391
Wed 6/198:26 pmORD - STS
2 stops27h 24mMultiple Airlines
Sun 6/2311:05 amSTS - ORD
2 stops22h 27mMultiple Airlines
Deal found 5/27$393
Tue 6/186:00 amORD - STS
1 stop9h 50mAlaska Airlines
Tue 6/257:03 pmSTS - ORD
1 stop8h 12mAlaska Airlines
Deal found 5/27$401
Tue 6/186:00 amORD - STS
2 stops14h 23mAlaska Airlines
Tue 6/257:03 pmSTS - ORD
1 stop8h 12mAlaska Airlines
Deal found 5/27$406
Wed 6/198:26 pmORD - STS
2 stops27h 24mMultiple Airlines
Sun 6/2311:05 amSTS - ORD
1 stop17h 19mMultiple Airlines
Deal found 5/27$413
Tue 6/186:00 amORD - STS
2 stops14h 23mAlaska Airlines
Fri 6/217:03 pmSTS - ORD
1 stop8h 12mAlaska Airlines
Deal found 5/27$426
Mon 6/106:53 amORD - STS
3 stops14h 32mMultiple Airlines
Fri 6/1410:55 amSTS - ORD
3 stops22h 37mMultiple Airlines
Deal found 5/28$428

Chicago to Santa Rosa 2024 flight deals

Discover exclusive flight deals for travel between Chicago and Santa Rosa in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 28, 2024.
These are some of the best deals we've found on flights to Santa Rosa in 2024 at this time. Check back in a little while for more flight options.
Wed 7/108:26 pmORD - STS
2 stops27h 24mMultiple Airlines
Sun 7/1411:05 amSTS - ORD
1 stop17h 23mMultiple Airlines
Deal found 5/27$340
Wed 7/38:26 pmORD - STS
2 stops27h 24mMultiple Airlines
Sun 7/711:05 amSTS - ORD
1 stop17h 19mMultiple Airlines
Deal found 5/28$345
Wed 7/38:26 pmORD - STS
3 stops27h 24mMultiple Airlines
Sun 7/711:05 amSTS - ORD
1 stop17h 19mMultiple Airlines
Deal found 5/28$370
Tue 10/15:45 pmORD - STS
2 stops21h 12mAlaska Airlines
Tue 10/87:00 amSTS - ORD
1 stop19h 30mAlaska Airlines
Deal found 5/27$374
Mon 6/106:53 amORD - STS
2 stops13h 02mMultiple Airlines
Fri 6/1410:55 amSTS - ORD
2 stops17h 05mMultiple Airlines
Deal found 5/28$378
Tue 10/15:45 pmORD - STS
2 stops42h 22mAlaska Airlines
Tue 10/86:34 pmSTS - ORD
2 stops7h 56mAlaska Airlines
Deal found 5/27$379
Mon 6/109:54 amORD - STS
1 stop10h 01mMultiple Airlines
Fri 6/1410:55 amSTS - ORD
2 stops17h 05mMultiple Airlines
Deal found 5/28$389
Mon 6/106:53 amORD - STS
2 stops13h 02mMultiple Airlines
Fri 6/1410:55 amSTS - ORD
3 stops22h 37mMultiple Airlines
Deal found 5/28$391
Wed 6/198:26 pmORD - STS
2 stops27h 24mMultiple Airlines
Sun 6/2311:05 amSTS - ORD
2 stops22h 27mMultiple Airlines
Deal found 5/27$393

One-way flights to Santa Rosa from Chicago

Search for one-way flight options from Chicago to Santa Rosa. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 28, 2024.
Users in need of a one-way flight from Chicago to Santa Rosa can choose from these deals. Users can also find round-trip Chicago to Santa Rosa flights by using the search form above.
Sun 6/98:26 pmORD - STS
2 stops24h 59mMultiple Airlines
Deal found 5/28$148
Sun 6/98:26 pmORD - STS
3 stops23h 29mMultiple Airlines
Deal found 5/28$193
Sat 6/88:26 pmORD - STS
2 stops27h 39mMultiple Airlines
Deal found 5/28$201
Wed 10/165:45 pmORD - STS
2 stops21h 12mAlaska Airlines
Deal found 5/27$208
Wed 10/167:00 amORD - STS
1 stop12h 54mAlaska Airlines
Deal found 5/27$222
Tue 10/156:00 amORD - STS
1 stop8h 01mAmerican Airlines
Deal found 5/27$224
Sat 8/36:00 amORD - STS
1 stop7h 48mAmerican Airlines
Deal found 5/27$244
Sat 6/812:32 pmORD - STS
3 stops35h 33mMultiple Airlines
Deal found 5/28$245
Sat 8/37:00 amORD - STS
2 stops10h 43mAmerican Airlines
Deal found 5/27$247

Find flights from Chicago to Santa Rosa within your budget

Customize your flight search to find flights from Chicago 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 2,696,634 searches. Data last updated May 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$340 - $457

Route

Depart

Return

Price

Chicago O'Hare IntlSanta Rosa Sonoma County

ORD - STS

ORDSTS

Chicago O'Hare Intl

Wed 7/10

2 stops27h 24m

Santa Rosa Sonoma County

Sun 7/14

1 stop17h 23m

$340

Chicago O'Hare IntlSanta Rosa Sonoma County

ORD - STS

ORDSTS

Chicago O'Hare Intl

Wed 7/3

2 stops27h 24m

Santa Rosa Sonoma County

Sun 7/7

1 stop17h 19m

$345

Chicago O'Hare IntlSanta Rosa Sonoma County

ORD - STS

ORDSTS

Chicago O'Hare Intl

Wed 7/3

3 stops27h 24m

Santa Rosa Sonoma County

Sun 7/7

1 stop17h 19m

$370

Chicago O'Hare IntlSanta Rosa Sonoma County

ORD - STS

ORDSTS

Chicago O'Hare Intl

Tue 10/1

2 stops21h 12m

Santa Rosa Sonoma County

Tue 10/8

1 stop19h 30m

$374

Chicago O'Hare IntlSanta Rosa Sonoma County

ORD - STS

ORDSTS

Chicago O'Hare Intl

Mon 6/10

2 stops13h 02m

Santa Rosa Sonoma County

Fri 6/14

2 stops17h 05m

$378

Chicago O'Hare IntlSanta Rosa Sonoma County

ORD - STS

ORDSTS

Chicago O'Hare Intl

Tue 10/1

2 stops42h 22m

Santa Rosa Sonoma County

Tue 10/8

2 stops7h 56m

$379

Chicago O'Hare IntlSanta Rosa Sonoma County

ORD - STS

ORDSTS

Chicago O'Hare Intl

Sat 9/14

1 stop9h 46m

Santa Rosa Sonoma County

Mon 9/16

1 stop7h 35m

$399

Chicago O'Hare IntlSanta Rosa Sonoma County

ORD - STS

ORDSTS

Chicago O'Hare Intl

Tue 10/1

2 stops12h 28m

Santa Rosa Sonoma County

Tue 10/8

1 stop6h 53m

$452

Chicago O'Hare IntlSanta Rosa Sonoma County

ORD - STS

ORDSTS

Chicago O'Hare Intl

Tue 6/25

1 stop8h 53m

Santa Rosa Sonoma County

Tue 7/2

2 stops13h 08m

$457

Flights are sorted by cheapest first

Deals found on 5/27

When is the cheapest time to fly from Chicago to Santa Rosa?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Santa Rosa. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Chicago to Santa Rosa flight should consider departing on Saturday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Chicago to Santa Rosa

Have a flexible travel schedule? Discover the best time to fly to Santa Rosa from Chicago 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.

Temperature and rainfall in Santa Rosa by month

Plan your trip to Santa Rosa by taking into account the average temperature and rainfall totals by month.

SFO

Temperature

51.8 - 62.6 °F

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 May 28, 2024.
Get a feel of what it's like to fly with Alaska Airlines and American Airlines from Chicago to Santa Rosa by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Comfort

7.9

Entertainment

7.3

Overall

8.1

Boarding

8.2

Food

7.3

Crew

8.6

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Alaska Airlines
8.1
Very good
9,194 reviews
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Comfort

7.9

Entertainment

7.3

Overall

8.1

Boarding

8.2

Food

7.3

Crew

8.6

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

American Airlines
7.3
Good
14,316 reviews
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Comfort

7.9

Entertainment

7.3

Overall

8.1

Boarding

8.2

Food

7.3

Crew

8.6

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Related info for your journey

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

  • What airport do you fly into for flights to Santa Rosa from Chicago?

    Most people fly into Santa Rosa Sonoma County (STS) if they book a flight to Santa Rosa from Chicago. On average, Sonoma County has 0 inbound flights from Chicago per day from 2 airlines. Santa Rosa Sonoma County is conveniently located just 7.2 mi from Santa Rosa’s city center.

  • Can I find flights from Chicago to Santa Rosa for under $400 on Cheapflights?

    Yes, there are multiple flights from Chicago to Santa Rosa for under $400. The cheapest flight booked recently is on Multiple Airlines for just $340, but on average you can expect to pay $392.

  • What is the cheapest airline to fly from Chicago to Santa Rosa round-trip?

    Our cheapest airline available from Chicago to Santa Rosa is Alaska Airlines. Our recent data shows that you can find tickets from as low as $374 on this airline. Alaska Airlines is currently priced 32% below the average price you’ll pay for this route.

  • What does ORD to STS mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Chicago O'Hare Intl Airport to Santa Rosa Sonoma County Airport flight would often be abbreviated as a ORD to STS flight. Chicago Midway Airport (MDW), Chicago Greater Rockford Airport (RFD) are some additional IATA codes for airports related to your trip.

  • Can I find deals for flights from Chicago to Santa Rosa that include extra baggage allowance?

    The amount of baggage you can bring on your Chicago to Santa Rosa flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Chicago to Santa Rosa with specific airlines?

    Yes, Cheapflights allows you to browse and filter Chicago to Santa Rosa flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Chicago to Santa Rosa that include hotel bookings?

    Yes. In addition to deals on Chicago to Santa Rosa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Santa Rosa?

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

  • Can I find deals for business class flights from Chicago to Santa Rosa?

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

  • Can I find deals for flights from Chicago to Santa Rosa that allow pets onboard?

    Many airlines flying from Chicago to Santa Rosa offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Chicago to Santa Rosa?

    Yes, you can often find last-minute deals on Chicago to Santa Rosa flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Chicago to Santa Rosa flight deals updated?

    The Chicago to Santa Rosa flight deals you see on this page were last updated on 5/28.

  • When is the best time to book a flight from Chicago to Santa Rosa?

    Currently, February is the cheapest month in which you can book a flight from Chicago to Santa Rosa (average of $213). Flying from Chicago to Santa Rosa in June is currently the most expensive (average of $428). 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.

See more FAQs

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Alternative routes for Chicago to Santa Rosa
See prices for flight routes from nearby airports that may be better suited for you.

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Top 2 airlines flying from Chicago to Santa Rosa

Discover the top 2 airlines that operate flights from Chicago 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 2,696,634 searches. Data last updated May 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$256Average$464FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
American AirlinesCheapest$392Average$658FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
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Search flights from Chicago to Santa Rosa by cabin class

Find flights from Chicago to Santa Rosa, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Chicago to Santa Rosa?

Deals for Chicago to Santa Rosa flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Chicago to Santa Rosa?

Cheapflights simply makes it quick and affordable to book flights from Chicago to Santa Rosa by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Chicago to Santa Rosa with no change fees?

Certainly. Search results for flights to Santa Rosa from Chicago shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Chicago to Santa Rosa become cheaper?

Yes, Cheapflights offers price alerts on Chicago to Santa Rosa flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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