Cheap Flights to Oswego, IL

Popular airlines to Oswego

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Alternative airports near Oswego

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to O'Hare Intl. ORD. Average driving time to city center is 55 minutes. Flights from $284
ORD
O'Hare Intl.
Average driving time to city center55 min
Flights from $284
Select flight to Midway Intl. MDW. Cheapest option available. Average driving time to city center is 55 minutes. Flights from $280
MDW
Midway Intl.
Cheapest
Average driving time to city center55 min
Flights from $280

Frequently asked questions

What month is the cheapest to fly to Oswego?
Plan your trip for if you're looking for a deal on your fare. It's the cheapest month to fly to Oswego. If possible, avoid traveling during busy periods such as public holidays or school breaks.
Which US cities have the cheapest flights to Oswego?
Score cheap flights to Oswego from New York, Washington and Dallas. These cities generally offer the lowest fares to this top destination. But bear in mind that holiday periods, stopovers and demand also influence rates, so remain flexible and book when you see a bargain.
Which US cities fly direct to Oswego?
Pick from 150 US cities providing direct flights to Oswego. While booking on Expedia, click on the "Direct flights only" filter to compare nonstop routes. Fly to Oswego from any of these leading cities:

  • New York
  • Washington
  • Dallas
  • Boston
  • Phoenix

How to find a cheap flight to Oswego?
Book well in advance or search for a cheap flight to Oswego during the off-season, such as January and February. Flying off on a Thursday can also save you an average of 16% compared to a Sunday departure.* The Expedia app makes it even easier to know when to book. Just turn on the toggle for "Watch prices" and get notified as soon as fares change.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
How to get a cheap last-minute flight to Oswego?
It's possible to get cheap deals on last-minute departures to Oswego, especially if your travel arrangements are flexible. Consider flying from a different airport, changing your trip dates or choosing an alternative carrier to get a cheap flight to Oswego.
How far in advance should I book a flight to Oswego?
Secure the travel dates you want and a fare that suits your budget by booking your domestic flight to Oswego up to 28 days in advance. Lock in tickets between two and four months ahead if you're headed to Oswego from an international destination.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which day of the week is the cheapest day to buy a plane ticket to Oswego?
You'll save an average of 8% if you buy plane tickets on a Sunday rather than Fridays, which tend to be the most expensive day to book.* When it comes to snapping up a cheap flight to Oswego, it's all about timing.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which airlines fly to Oswego?
There are 44 carriers connecting Oswego with 216 airports around the globe. The major entry point to this city is O'Hare Intl. Airport (ORD). Fly with any of these popular airlines to Oswego:

  • United Airlines
  • American Airlines
  • Delta Air Lines
  • Alaska Airlines

Where do you fly into Oswego?
The main airport when you fly to Oswego is Lewis University Airport (LOT), but there are some good nearby alternatives like O'Hare Intl. Airport (ORD) and Midway Intl. Airport (MDW). You can also land at Rockford, IL (RFD-Greater Rockford) and Aurora, IL (AUZ-Aurora Municipal) when flying to Oswego.
How far is the airport from central Oswego?
You'll be about 14 mi east of the center of Oswego after arriving at Lewis University Airport (LOT).
Can I save money by booking an Oswego trip package?
Bundle your flights and accommodations and you could save hundreds of dollars. Better still, you can add extras like car rentals and tours to your Oswego flight and hotel package deal. With Expedia, it's a breeze to look after all your Oswego travel arrangements in the same place.
Can I change or cancel my flight to Oswego?
You can usually change or cancel your flight to Oswego within 24 hours of booking. However, be mindful that some flights are non-refundable. In those cases, you may receive credit for future flights instead of a direct refund. Make sure you check the airline's terms and conditions in your itinerary for exact details. Use Expedia's "No cancel fee" or "Changes included" filters during your search to find cheap flights to Oswego with flexible change policies. For more information, visit our Customer Service Portal.

*Flight schedules are subject to change.

*Available to One Key members.

 

Book with confidence

Tips to find the cheapest flights to Oswego

The cheapest day to fly

Get started finding a cheap flight to Oswego on Expedia by either choosing a deal on this page or entering into the search bar your travel dates, origin airport, and whether you want roundtrip or one-way airfare. You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you.

The cheapest month to fly

is the cheapest month to fly to Oswego. This coincides with the low season when fewer people travel. Whichever month you travel in, though, be sure to book at least a month in advance if you want to score cheap tickets to Oswego. ARC's data shows that domestic flights booked 28 days or more before departure are typically 24% cheaper than those booked last minute.

The most affordable time to book a flight

Typically, a Sunday can be the cheapest time to book a flight to Oswego, according to ARC’s data. On average, you could save between 6% and 13% by booking on a Sunday instead of a Friday, which is the most expensive day to make a reservation.

The cheapest round-trip tickets to Oswego

The lowest price for round-trip flights to Oswego in 2026 starts from , while one-way tickets start from . Expedia's effective search tool is one of the best ways to find a budget airfare. Simply enter your dates, and within seconds, it'll show you a vast selection of the cheapest flights to Oswego. If you have a preferred departure time or airline, you can use the handy filters to customize your search.

The cheapest airlines flying to Oswego

are just some of the airlines that can typically offer cheap tickets to Oswego. You can find their most affordable flights by using the “airline” search filter and then sorting prices from low to high. As a trusted partner of the world's leading airlines, Expedia offers you some of the best airfare deals to Oswego and countless more destinations worldwide.

The most affordable airports to fly into

To view the cheapest airports to fly into for Oswego, simply order your search results from lowest to highest price. Expedia's search tool compares flight prices for all airports close to your destination, so you don't have to manually search them one by one to find the cheapest flight to Oswego. If you have a preferred place to fly into, take advantage of the “arrival airport” filter to narrow down your search on Expedia.

Save with a package

With Expedia's amazing package deals, you could save hundreds of dollars by booking your Oswego plane tickets together with your accommodations, car rental, or activities. Just select the search wizard's “package” option to view some of the cheapest deals. Look out for the green savings label to see how much you're saving.

Date flexibility for the cheapest flights to Oswego

If you can be flexible with your travel dates, it's a good idea to broaden your search by comparing prices on different days. This will open up more options, meaning you could uncover a less expensive flight to Oswego.

Stopover savings

The cheapest tickets to Oswego are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to Oswego. While the overall travel time might be longer than a non-stop flight, you may decide it's worth it for the money saved.

Get Expedia's Price Drop Protection

Price Drop Protection means that if your flight gets cheaper after booking, you'll be credited the difference*. This gives you peace of mind that you're getting one of the cheapest flights to Oswego for your chosen departure. Expedia's Price Drop Protection is available for a small fee but is free to One Key Gold and Platinum tier members.

*Terms apply.

Use our Price Tracking feature

Expedia's Price Tracking feature is another great tool that removes the guesswork from finding cheap flights to Oswego. Simply download the free Expedia app to your smart device and activate Oswego flight price alerts for your travel dates. There's even a price predictor tool that uses historical data to indicate the best time to book, giving you peace of mind that you'll nab the lowest prices.

Book with Expedia

As well as Price Drop Protection and Price Tracking, Expedia's close partnership with a vast selection of the world's leading airlines means you're sure to find cheap flights to Oswego. Plus, the One Key rewards program lets you earn real cash rewards on most bookings that you can use to save money on future trips. Best of all, it's free to join, and members often unlock exclusive discounts, too.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Tips to find the cheapest flights to Oswego

Travel information

Destination airport
Oswego
Destination airport IATA code
CHI

Explore a world of travel with Expedia